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AstroNote 2021-20
Type: Object/s-Discovery/Classification
Released: 2021-01-16 21:35:39
ZTF Discovery of ZTF21aaeyldq (AT2021any): a Hostless, Young, and Rapidly Fading Transient
A. Y. Q. Ho (UC Berkeley), D. A. Perley (LJMU), Y. Yao (Caltech), I. Andreoni (Caltech), on behalf of the Zwicky Tran...
Source Group: ZTF
Keywords: Transient, Optical
Related Objects:
2021any
RA, DEC:08:15:15.338, -05:52:01.23
(123.813909, -5.867007)
Redshift:
Type:
See object 2021any
The Zwicky Transient Facility (ZTF) reports the discovery last night of ZTF21aaeyldq (AT2021any), a young and moderately red transient with a rapid fade rate of 2 magnitudes in 3 hours. The source ...
AstroNote 2021-19
Type: Object/s-Discovery/Classification
Released: 2021-01-16 18:16:41
adH0cc spectroscopic classification of SN 2021abi
B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Floers, S. Taubenberger, G. Csoernyei, M. G. Cudmani, A. Holas, W. Hi...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2021abi [ZTF21aacvrzy]
RA, DEC:04:50:08.507, -03:17:01.52
(72.535447, -3.283755)
Redshift:0.07
Type:SN Ia
See object 2021abi [ZTF21aacvrzy]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2021abi, which shows it to be a normal Type Ia supernova a few days before maximum light, at a redshift z~0.07.
AstroNote 2021-18
Type: Object/s-Discovery/Classification
Released: 2021-01-15 17:16:46
ePESSTO+ spectroscopic classification of optical transients
K. W. Smith, M. Fulton, J. Gillanders, S. Srivastav (QUB), C. Barbarino, S. Yang, T.-W. Chen (Stockholm), J. Anderson...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021xy [ZTF18abwitkf]
RA, DEC:01:02:49.279, -21:50:11.34
(15.705327, -21.836482)
Redshift:0.061
Type:SN Ia
See object 2021xy [ZTF18abwitkf]
,
2021aek [ATLAS21bqr]
RA, DEC:11:59:48.021, -21:23:12.98
(179.950089, -21.386939)
Redshift:0.022
Type:SN II
See object 2021aek [ATLAS21bqr]
,
2021aez [ATLAS21brx]
RA, DEC:15:36:03.984, -37:18:04.40
(234.016601, -37.301221)
Redshift:0.016
Type:SN II
See object 2021aez [ATLAS21brx]
This report includes classifications of 1 Type Ia and 2 Type II's. 2021aek is a young SN II showing flash ionisation signatures. We encourage followup observations.
AstroNote 2021-17
Type: Object/s-Discovery/Classification
Released: 2021-01-15 14:43:44
ATLAS21bqr (AT2021aek): discovery of a candidate supernova in PGC 037789 (98 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021aek [ATLAS21bqr]
RA, DEC:11:59:48.021, -21:23:12.98
(179.950089, -21.386939)
Redshift:0.022
Type:SN II
See object 2021aek [ATLAS21bqr]
Here we report the ATLAS discovery of the transient ATLAS21bqr (AT2021aek) in galaxy PGC 037789 at magnitude c = 18.61 +/- 0.09. At a distance of 98 Mpc, the transient was discovered on MJD = 59227...
AstroNote 2021-16
Type: Object/s-Discovery/Classification
Released: 2021-01-14 17:34:13
ePESSTO+ spectroscopic classification of optical transients
M. Fulton, K. W. Smith, J. Gillanders, S. Srivastav (QUB), C. Barbarino, S. Yang, T.-W. Chen (Stockholm), S. Benetti ...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021adu [ATLAS21bob]
RA, DEC:06:08:54.065, -39:41:36.80
(92.225270, -39.693556)
Redshift:0.053
Type:SN Ia
See object 2021adu [ATLAS21bob]
,
2021adt [ATLAS21boa]
RA, DEC:04:52:47.188, -44:17:09.49
(73.196616, -44.285970)
Redshift:0.07
Type:SN Ia
See object 2021adt [ATLAS21boa]
,
2021acx [ATLAS21bnw]
RA, DEC:14:39:02.944, -00:38:07.13
(219.762265, -0.635315)
Redshift:0.137
Type:SN I
See object 2021acx [ATLAS21bnw]
,
2021ads [ASASSN-21ag]
RA, DEC:13:35:07.543, -33:28:59.29
(203.781429, -33.483136)
Redshift:0.013
Type:SN Ia
See object 2021ads [ASASSN-21ag]
This report includes classifications of 3 Type Ia's and a Type I. 2021acx is possibly a luminous SN Ia/Ic. We encourage followup observations.
AstroNote 2021-15
Type: Object/s-Discovery/Classification
Released: 2021-01-13 19:09:37
adH0cc spectroscopic classification of SN 2021pz
A. Floers, C. Vogl, S. Taubenberger, G. Csoernyei, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2021pz [ZTF21aabkyvc]
RA, DEC:07:18:16.606, +17:41:23.39
(109.569193, 17.689830)
Redshift:0.074
Type:SN II
See object 2021pz [ZTF21aabkyvc]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2021pz, which shows it to be a young Type II supernova.
AstroNote 2021-14
Type: Object/s-Discovery/Classification
Released: 2021-01-13 17:06:46
ePESSTO+ spectroscopic classification of optical transients
K. W. Smith, M. Fulton, J. Gillanders, S. Srivastav (QUB), C. Barbarino, S. Yang, T.-W. Chen (Stockholm), I. Arcavi (...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021wh [ATLAS21bbs]
RA, DEC:09:37:54.205, -20:06:40.72
(144.475853, -20.111311)
Redshift:0.03
Type:SN Ia
See object 2021wh [ATLAS21bbs]
,
2021zj [ZTF21aadkhte]
RA, DEC:11:16:32.710, +29:05:46.14
(169.136292, 29.096150)
Redshift:0.046
Type:SN II
See object 2021zj [ZTF21aadkhte]
This report includes classifications of 1 Type Ia and 1 Type II. 2021zj is likely a young SN II showing flash ionisation signatures. We encourage followup observations.
AstroNote 2021-13
Type: Object/s-Discovery/Classification
Released: 2021-01-12 11:12:11
Asiago spectroscopic classification of optical transients
L. Tomasella, S. Benetti, E. Cappellaro (INAF OAPd)
Source Group: Padova-Asiago
Keywords: Supernova, Spectroscopy, Optical
Related Objects:
2021xm [ZTF19aceviuo]
RA, DEC:04:04:25.556, +70:36:31.93
(61.106482, 70.608870)
Redshift:
Type:CV
See object 2021xm [ZTF19aceviuo]
,
2021tf [ZTF21aabpnlm]
RA, DEC:23:56:05.113, +53:43:46.37
(359.021306, 53.729548)
Redshift:1.54
Type:QSO
See object 2021tf [ZTF21aabpnlm]
We report the spectroscopic classification of the following transients: AT2021xm as a Galactic CV; AT2021tf as a quasar.
AstroNote 2021-12
Type: Object/s-Discovery/Classification
Released: 2021-01-09 20:56:11
ePESSTO+ spectroscopic classification of optical transients
J. Gillanders, S. Srivastav, M. Fulton, K. W. Smith, S. J. Smartt, L. J. Shingles (QUB), S. Prentice (TCD), C. Gutier...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020aeth [ZTF20acyyavb]
RA, DEC:11:41:28.413, -02:15:03.19
(175.368388, -2.250886)
Redshift:0.048
Type:SN Ia
See object 2020aeth [ZTF20acyyavb]
,
2021hq [ZTF21aaafzwx]
RA, DEC:07:31:26.045, +05:32:56.08
(112.858521, 5.548912)
Redshift:0.08
Type:SN Ia
See object 2021hq [ZTF21aaafzwx]
,
2021ia [ZTF21aabgpub]
RA, DEC:11:34:40.607, -21:03:22.68
(173.669195, -21.056299)
Redshift:
Type:Other
See object 2021ia [ZTF21aabgpub]
,
2021jj [ATLAS21abw]
RA, DEC:13:17:24.348, -16:27:35.01
(199.351452, -16.459726)
Redshift:0.02
Type:SN Ia
See object 2021jj [ATLAS21abw]
,
2021nm [ATLAS21anq]
RA, DEC:12:46:39.357, -37:56:46.32
(191.663987, -37.946200)
Redshift:0.054
Type:SN Ia
See object 2021nm [ATLAS21anq]
,
2021nx [ATLAS21arg]
RA, DEC:02:37:13.231, -27:30:57.47
(39.305130, -27.515964)
Redshift:0.058
Type:SN II
See object 2021nx [ATLAS21arg]
,
2021ok [ATLAS21asi]
RA, DEC:05:31:31.522, -20:31:14.51
(82.881343, -20.520697)
Redshift:
Type:SN II
See object 2021ok [ATLAS21asi]
,
2021os [ZTF21aabygea]
RA, DEC:12:02:54.070, +05:36:53.17
(180.725292, 5.614769)
Redshift:0.019
Type:SN II
See object 2021os [ZTF21aabygea]
,
2021pp [ZTF21aaahzpr]
RA, DEC:11:49:11.600, -02:17:11.36
(177.298333, -2.286489)
Redshift:0.09
Type:SN Ia
See object 2021pp [ZTF21aaahzpr]
,
2021qv [ZTF21aabyifm]
RA, DEC:12:29:38.942, +09:29:50.36
(187.412259, 9.497323)
Redshift:0.024
Type:SN Ib/c
See object 2021qv [ZTF21aabyifm]
This report includes classifications of 5 Type Ia's, 1 Type Ibc, 3 Type II's and 1 uncertain transient. 2021ok is an orphan transient whose spectrum resembles a blue continuum with possible shallow...
AstroNote 2021-11
Type: Object/s-Discovery/Classification
Released: 2021-01-08 19:46:36
ePESSTO+ spectroscopic classification of optical transients
S. Srivastav, J. Gillanders, M. Fulton, K. W. Smith, L. J. Shingles (QUB), S. Prentice (TCD), C. Gutierrez (Turku), S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020aeur [PS20nui]
RA, DEC:09:26:20.381, +01:52:43.92
(141.584919, 1.878867)
Redshift:0.051
Type:SN Ia-CSM
See object 2020aeur [PS20nui]
,
2020adeq [ZTF20acynllu]
RA, DEC:01:13:05.646, -18:07:03.72
(18.273524, -18.117699)
Redshift:0.06
Type:SN Ia
See object 2020adeq [ZTF20acynllu]
,
2021ab [ZTF21aaabuoj]
RA, DEC:10:23:48.869, -26:28:09.76
(155.953620, -26.469379)
Redshift:0.07
Type:SN Ia
See object 2021ab [ZTF21aaabuoj]
,
2021ek [ZTF21aaarmti]
RA, DEC:03:23:49.914, -10:02:41.18
(50.957974, -10.044773)
Redshift:0.193
Type:SLSN-I
See object 2021ek [ZTF21aaarmti]
,
2021lm [ZTF21aabhfta]
RA, DEC:00:31:18.171, -25:39:31.58
(7.825713, -25.658771)
Redshift:0.117
Type:SN Ia
See object 2021lm [ZTF21aabhfta]
,
2021mf [ATLAS21ajm]
RA, DEC:13:01:51.234, -41:24:14.61
(195.463474, -41.404059)
Redshift:0.029
Type:SN Ia
See object 2021mf [ATLAS21ajm]
,
2021mj [ATLAS21ajx]
RA, DEC:09:16:18.157, -32:29:25.89
(139.075656, -32.490526)
Redshift:0.04
Type:SN Ia
See object 2021mj [ATLAS21ajx]
,
2021nf [ATLAS21amw]
RA, DEC:05:28:29.242, -38:16:41.66
(82.121842, -38.278238)
Redshift:0.03
Type:SN II
See object 2021nf [ATLAS21amw]
,
2021nu [ATLAS21apa]
RA, DEC:01:52:15.949, +14:36:28.60
(28.066453, 14.607944)
Redshift:0.0441
Type:SN Ic
See object 2021nu [ATLAS21apa]
,
2021nv [ATLAS21aqr]
RA, DEC:01:57:35.175, +19:52:42.97
(29.396564, 19.878602)
Redshift:0.029
Type:SN Ia
See object 2021nv [ATLAS21aqr]
,
2020adhg [ATLAS20birn]
RA, DEC:02:06:12.274, -41:49:51.97
(31.551140, -41.831103)
Redshift:0.074
Type:SN Ia
See object 2020adhg [ATLAS20birn]
,
2021pl [ZTF21aaahuox]
RA, DEC:12:11:37.960, +12:09:46.98
(182.908167, 12.163050)
Redshift:0.074
Type:SN Ia
See object 2021pl [ZTF21aaahuox]
,
2020aeus [ZTF20acwondx]
RA, DEC:08:49:17.088, -04:39:37.24
(132.321201, -4.660344)
Redshift:0.073
Type:Galaxy
See object 2020aeus [ZTF20acwondx]
This report includes classifications of 8 Type Ia's, 1 Type Ia-CSM, 1 Type Ic, 1, SLSN-I, 1 Type II and 1 galaxy. The spectrum obtained for 2020aeus is consistent with a galaxy, however, a transien...
AstroNote 2021-10
Type: Object/s-Discovery/Classification
Released: 2021-01-07 22:40:23
ZTF discovery of enhanced optical activity associated with the quadruply imaged quasar 2M J1134-2103
A. Munoz-Arancibia (MAS), F.E. Bauer (UC/MAS), T. Anguita (UNAB/MAS), F. Forster (CMM/MAS), P. Sanchez-Saez (MAS/UC/U...
Source Group: ZTF
Keywords: Transient
Related Objects:
2021ia
RA, DEC:11:34:40.607, -21:03:22.68
(173.669195, -21.056299)
Redshift:
Type:Other
See object 2021ia
We report the discovery of ZTF21aabgpub / AT 2021ia, a transient associated with the gravitationally lensed system 2M J1134-2103 (Lucey et al. 2018), reported by the ALeRCE broker (TNS #95604) usin...
AstroNote 2021-9
Type: Object/s-Discovery/Classification
Released: 2021-01-07 16:03:54
ePESSTO+ spectroscopic classification of optical transients
S. Srivastav, J. Gillanders, M. Fulton, K. W. Smith, L. J. Shingles, (QUB), S. Prentice (TCD), C. Gutierrez (Turku),...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abtz [ATLAS20bgrb]
RA, DEC:00:24:43.218, -23:21:10.06
(6.180073, -23.352796)
Redshift:0.13
Type:SN Ia
See object 2020abtz [ATLAS20bgrb]
,
2020abxp [ATLAS20bhai]
RA, DEC:00:24:30.618, -11:05:05.38
(6.127576, -11.084828)
Redshift:0.055
Type:SN Ib
See object 2020abxp [ATLAS20bhai]
,
2020acvz [ZTF20acxyipy]
RA, DEC:10:42:49.787, +00:52:59.11
(160.707446, 0.883087)
Redshift:0.13
Type:SN Ia
See object 2020acvz [ZTF20acxyipy]
,
2020aeje [ATLAS20bjnj]
RA, DEC:00:17:11.977, -07:37:37.32
(4.299906, -7.627032)
Redshift:0.02
Type:SN II
See object 2020aeje [ATLAS20bjnj]
,
2020aeqn [ATLAS20bjty]
RA, DEC:11:27:54.836, +20:51:13.14
(171.978482, 20.853649)
Redshift:0.06
Type:SN Ia
See object 2020aeqn [ATLAS20bjty]
,
2021gi [ATLAS21abc]
RA, DEC:05:17:39.588, -39:45:37.30
(79.414950, -39.760360)
Redshift:0.07
Type:SN Ia
See object 2021gi [ATLAS21abc]
,
2021gj [ATLAS21abe]
RA, DEC:00:35:40.078, -32:05:58.43
(8.916991, -32.099565)
Redshift:0.093
Type:SN Ia-91T-like
See object 2021gj [ATLAS21abe]
,
2021go [ATLAS21abi]
RA, DEC:03:26:58.717, -29:08:26.79
(51.744652, -29.140774)
Redshift:0.1
Type:SN Ia
See object 2021go [ATLAS21abi]
This report includes classifications of 5 Type Ia's, 1 Type Ia-91T, 1 Type Ib and 1 Type II. We encourage follow-up observations.
AstroNote 2021-8
Type: Object/s-Discovery/Classification
Released: 2021-01-06 16:52:31
ePESSTO+ spectroscopic classification of optical transients
J. Gillanders, S. Srivastav, M. Fulton, L. J. Shingles, K. W. Smith (QUB), S. Prentice (TCD), C. Gutierrez (Turku), S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020adqq [ZTF20acztnts]
RA, DEC:11:05:58.728, +07:20:01.78
(166.494700, 7.333827)
Redshift:0.068197
Type:SN Ia
See object 2020adqq [ZTF20acztnts]
,
2020adnq [ATLAS20bjgs]
RA, DEC:14:13:24.188, +06:23:05.87
(213.350784, 6.384963)
Redshift:0.036
Type:SN Ia
See object 2020adnq [ATLAS20bjgs]
,
2021aq [ZTF21aaaecrv]
RA, DEC:03:11:05.699, -25:59:57.77
(47.773745, -25.999381)
Redshift:0.078
Type:SN Ia
See object 2021aq [ZTF21aaaecrv]
,
2020aeru [Gaia21aai]
RA, DEC:03:56:20.790, -63:32:17.66
(59.086625, -63.538239)
Redshift:0.058
Type:SN Ia
See object 2020aeru [Gaia21aai]
,
2021fu [ATLAS21aan]
RA, DEC:01:30:03.284, +11:48:48.84
(22.513684, 11.813566)
Redshift:0.06
Type:SN Ia
See object 2021fu [ATLAS21aan]
,
2021ft [ATLAS21aam]
RA, DEC:02:27:43.810, +26:14:03.59
(36.932542, 26.234331)
Redshift:
Type:
See object 2021ft [ATLAS21aam]
,
2021fv [ATLAS21aao]
RA, DEC:08:43:48.908, +02:43:12.18
(130.953784, 2.720051)
Redshift:0.03
Type:SN Ia
See object 2021fv [ATLAS21aao]
,
2021fw [ATLAS21aap]
RA, DEC:04:20:26.808, -33:11:56.99
(65.111702, -33.199163)
Redshift:0
Type:CV
See object 2021fw [ATLAS21aap]
,
2021X [ZTF21aaafrnh]
RA, DEC:05:23:18.221, -27:50:15.18
(80.825923, -27.837550)
Redshift:0.062
Type:SN Ia-91T-like
See object 2021X [ZTF21aaafrnh]
This report includes classifications of 6 Type Ia's, 1 Type Ia-91T, 1 CV and 1 featureless blue continuum. 2021ft is possibly a young transient whose spectrum resembles a blue featureless continuum...
AstroNote 2021-7
Type: Announcement-Tool/Utility
Released: 2021-01-06 09:54:06
Release of the ATLAS Forced Photometry server for public use
L. Shingles, K. W. Smith, D. R. Young, S. J. Smartt (Queen's University Belfast), J. Tonry, L. Denneau, A. Hein...
Source Group: ATLAS
Keywords: Surveys, Time-domain, Photometry, Astronomical Databases
We announce the public release of the ATLAS forced photometry server, which provides public access to photometric measurements over the full history of ATLAS survey.  
AstroNote 2021-6
Type: Object/s-Discovery/Classification
Released: 2021-01-05 19:20:10
ePESSTO+ spectroscopic classification of optical transients
J. Gillanders, S. Srivastav, M. Fulton, L. J. Shingles, K. W. Smith (QUB), S. Prentice (TCD), C. Gutierrez (Turku), S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acpg [ATLAS20bhzr]
RA, DEC:03:01:03.340, -37:02:13.67
(45.263917, -37.037131)
Redshift:0.07
Type:SN Ia
See object 2020acpg [ATLAS20bhzr]
,
2020acph [ATLAS20bhzs]
RA, DEC:11:01:40.755, +22:05:37.97
(165.419814, 22.093880)
Redshift:0.12
Type:SN Ia
See object 2020acph [ATLAS20bhzs]
,
2020acpi [ATLAS20bhzu]
RA, DEC:11:35:46.559, -49:02:12.43
(173.943996, -49.036788)
Redshift:0.017
Type:SN II
See object 2020acpi [ATLAS20bhzu]
,
2020acsk [ATLAS20bikf]
RA, DEC:09:42:51.546, +28:59:57.03
(145.714773, 28.999174)
Redshift:0.029
Type:SN IIb
See object 2020acsk [ATLAS20bikf]
,
2020adhh
RA, DEC:04:43:46.180, +28:58:10.53
(70.942415, 28.969590)
Redshift:0.022
Type:SN II
See object 2020adhh
,
2020adlh [ASASSN-20qh]
RA, DEC:13:38:26.170, -31:15:52.09
(204.609042, -31.264469)
Redshift:0.036
Type:SN Ia
See object 2020adlh [ASASSN-20qh]
,
2020adnu [ASASSSN-20qi]
RA, DEC:11:38:08.450, -32:51:05.98
(174.535210, -32.851660)
Redshift:0.031
Type:SN Ia
See object 2020adnu [ASASSSN-20qi]
,
2020adnw [ATLAS20bjhw]
RA, DEC:13:15:06.311, -37:08:21.90
(198.776295, -37.139418)
Redshift:0.036
Type:SN Ia
See object 2020adnw [ATLAS20bjhw]
,
2020adrp [ATLAS20bjmg]
RA, DEC:03:10:57.350, -40:43:07.19
(47.738960, -40.718665)
Redshift:0.06
Type:SN Ia
See object 2020adrp [ATLAS20bjmg]
,
2020aeph [ATLAS20bjqg]
RA, DEC:12:33:08.483, -38:52:40.34
(188.285345, -38.877872)
Redshift:0.03
Type:SN IIP
See object 2020aeph [ATLAS20bjqg]
,
2020aeqv [ATLAS20bjvf]
RA, DEC:10:52:27.186, -32:19:17.57
(163.113273, -32.321548)
Redshift:0.06
Type:SN Ia
See object 2020aeqv [ATLAS20bjvf]
,
2020aerm [ATLAS20bjxg]
RA, DEC:11:04:13.775, -33:58:51.35
(166.057395, -33.980931)
Redshift:0.09
Type:SN Ia
See object 2020aerm [ATLAS20bjxg]
,
2020adpg [ATLAS20bjig]
RA, DEC:22:31:12.088, -15:01:32.08
(337.800368, -15.025579)
Redshift:0.03
Type:SN Ia
See object 2020adpg [ATLAS20bjig]
This report includes classifications of 9 Type Ia's and 4 Type II's. SN2020acsk is a peculiar Type II supernova, showing features resembling that of SN-IIb close to peak, as well as SN1987A. We enc...
AstroNote 2021-5
Type: Object/s-Discovery/Classification
Released: 2021-01-04 17:37:31
ePESSTO+ spectroscopic classification of optical transients
J. Gillanders, K. W. Smith, S. Srivastav (QUB), L. Galbany (Granada), G. Pignata (UNAB), S. Yang, J. Anderson (ESO), ...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021J [ZTF21aaabvit]
RA, DEC:12:26:27.011, +31:13:20.55
(186.612544, 31.222376)
Redshift:0.002388
Type:SN Ia
See object 2021J [ZTF21aaabvit]
,
2020adph [ATLAS20bjih]
RA, DEC:12:48:34.351, -32:04:43.14
(192.143129, -32.078651)
Redshift:0.06
Type:SN Ia-91T-like
See object 2020adph [ATLAS20bjih]
,
2020aesr [ATLAS20bjyr]
RA, DEC:05:35:17.504, -28:52:39.24
(83.822935, -28.877568)
Redshift:0.06
Type:SN Ia
See object 2020aesr [ATLAS20bjyr]
,
2020adag [ASASSN-20qa]
RA, DEC:01:45:27.228, +02:08:04.13
(26.363450, 2.134480)
Redshift:
Type:Galaxy
See object 2020adag [ASASSN-20qa]
This report includes classifications of 3 Type Ia's and a Ia-91T. SN2021J is a nearby Ia at ~18 Mpc, around two weeks before maximum. We encourage followup observations.
AstroNote 2021-4
Type: Announcement-Tool/Utility
Released: 2021-01-04 16:09:46
A bash utility to download classified or unclassified events from TNS
S. R. Kulkarni (Caltech)
Keywords: Time-domain, Astronomical Databases, Methods
Related Notes:
2020-1
AstroNote 2020-12019-12-31 19:21:33
Title: A bash shell utility to query and download classified SNe from TNS
Authors: S. R. Kulkarni
qTNSm is a stand alone command line utility (written in zsh) which queries TNS and downloads classified or unclassified events for requested months in a given year. The output is a tsv file for ea...
AstroNote 2021-3
Type: Object/s-Discovery/Classification
Released: 2021-01-03 19:32:34
ZTF discovery of the nearby rising transient ZTF21aaabvit / AT 2021J
A. Munoz-Arancibia (MAS), F. Forster (CMM/MAS), L. Hernandez-Garcia (MAS), F.E. Bauer (UC/MAS), G. Pignata (UNAB/MAS)...
Source Group: ALeRCE
Keywords: Transient
Related Objects:
2021J [ZTF21aaabvit]
RA, DEC:12:26:27.011, +31:13:20.55
(186.612544, 31.222376)
Redshift:0.002388
Type:SN Ia
See object 2021J [ZTF21aaabvit]
We report the discovery of ZTF21aaabvit / AT 2021J, a nearby rising transient in galaxy NGC 4414 reported by the ALeRCE broker (TNS #95259) using the ZTF public alert stream. The object was detecte...
AstroNote 2021-2
Type: Object/s-Discovery/Classification
Released: 2021-01-03 18:07:50
ePESSTO+ spectroscopic classification of optical transients
K. W. Smith, J. Gillanders, S. Srivastav (QUB), L. Galbany (Granada), G. Pignata (UNAB), S. Yang, J. Anderson (ESO), ...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abzv [ASASSN-20pm]
RA, DEC:02:01:39.797, -68:26:13.27
(30.415820, -68.437020)
Redshift:0.027
Type:SN Ia
See object 2020abzv [ASASSN-20pm]
This report includes classification of 1 Type Ia supernova at z = 0.027.
AstroNote 2021-1
Type: Object/s-Discovery/Classification
Released: 2021-01-02 15:53:04
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), K. W. Smith (QUB), C. Gutierrez (Turku), L. Galbany (Granada), G. Pignata (UNAB), S. Yang, Janet Chen...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020adns [ATLAS20bjhq]
RA, DEC:02:54:34.170, -46:07:29.10
(43.642375, -46.124750)
Redshift:0.074
Type:SN Ia
See object 2020adns [ATLAS20bjhq]
,
2020aejj [ATLAS20bjou]
RA, DEC:05:01:03.906, -38:26:54.97
(75.266274, -38.448603)
Redshift:0.056
Type:SN Ia-91bg-like
See object 2020aejj [ATLAS20bjou]
,
2020aeqo [ATLAS20bjua]
RA, DEC:03:09:51.390, -11:58:43.18
(47.464125, -11.978661)
Redshift:0.031
Type:SN II
See object 2020aeqo [ATLAS20bjua]
This report includes classifications of 2 Type Ia's, and 1 Type II.
AstroNote 2020-266
Type: Object/s-Discovery/Classification
Released: 2020-12-24 17:13:02
REFITT classifications of optical transients using SOAR
K. E. Weil (Purdue University), B. M. Subrayan (Purdue University), D. Milisavljevic (Purdue University), M. Andrews ...
Source Group: REFITT
Keywords: Supernova, Optical, Spectroscopy, Transient
Related Objects:
2020ykm [ZTF20acngnrs]
RA, DEC:10:45:10.193, +04:56:59.38
(161.292471, 4.949829)
Redshift:0.069
Type:SN IIP
See object 2020ykm [ZTF20acngnrs]
,
2020aabj [ZTF20acphccy]
RA, DEC:06:57:49.261, +15:26:38.02
(104.455254, 15.443893)
Redshift:0.065
Type:SN Ia
See object 2020aabj [ZTF20acphccy]
,
2020aauc [ZTF20actekrw]
RA, DEC:03:47:18.140, -08:27:06.26
(56.825583, -8.451739)
Redshift:0.033
Type:SN Ic
See object 2020aauc [ZTF20actekrw]
,
2020aavm [ZTF20acrinvz]
RA, DEC:07:46:43.679, +18:06:48.81
(116.681996, 18.113558)
Redshift:0.045
Type:SN IIP
See object 2020aavm [ZTF20acrinvz]
,
2020abdw [ZTF20actpqgc]
RA, DEC:02:01:17.090, +24:04:14.66
(30.321208, 24.070739)
Redshift:0.033
Type:SN Ic
See object 2020abdw [ZTF20actpqgc]
,
2020abcg [ZTF20actveqm]
RA, DEC:08:52:30.290, +15:20:37.56
(133.126210, 15.343766)
Redshift:0.111
Type:SN Ia
See object 2020abcg [ZTF20actveqm]
,
2020abjl [ZTF20acumxrh]
RA, DEC:05:06:08.430, -11:14:05.67
(76.535125, -11.234909)
Redshift:0.07
Type:SN Ia
See object 2020abjl [ZTF20acumxrh]
,
2020abrg [ZTF20acvemao]
RA, DEC:09:00:17.396, -01:24:34.93
(135.072481, -1.409702)
Redshift:0.112
Type:SN Ia
See object 2020abrg [ZTF20acvemao]
,
2020acaj [ZTF20acvhuxc]
RA, DEC:04:22:14.614, -00:30:27.59
(65.560890, -0.507663)
Redshift:0.141
Type:SN Ia
See object 2020acaj [ZTF20acvhuxc]
,
2020acbx [ZTF20acwpbgv]
RA, DEC:08:46:21.190, -12:39:21.58
(131.588291, -12.655995)
Redshift:0.051
Type:SN Ia-91bg-like
See object 2020acbx [ZTF20acwpbgv]
,
2020acca [ZTF20acwijiy]
RA, DEC:04:31:48.984, -20:18:56.80
(67.954100, -20.315778)
Redshift:0.102
Type:SN Ia
See object 2020acca [ZTF20acwijiy]
Here we report the classification of 11 optical transients with 6 SN Ia: SN2020aabj, SN2020abcg, SN2020abjl, SN2020abrg, SN2020acaj, SN2020acca; 1 SN Ia-91bg: SN2020acbx; 2 SN Ic: SN2020aauc, SN202...
AstroNote 2020-265
Type: Object/s-Discovery/Classification
Released: 2020-12-24 15:11:09
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), C. Gutierrez (Turku), S. Yang, T.-W. Chen (Stockholm), S. Prentice (TCD), J. Anderson (ESO), T. Mulle...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acmi [ZTF20acxcxkz]
RA, DEC:03:38:40.232, -27:11:48.70
(54.667635, -27.196861)
Redshift:0.055
Type:SN Ia
See object 2020acmi [ZTF20acxcxkz]
,
2020acqy [ATLAS20bihj]
RA, DEC:03:24:24.540, -43:29:39.98
(51.102250, -43.494440)
Redshift:0.073
Type:SN Ia
See object 2020acqy [ATLAS20bihj]
,
2020acup [ATLAS20bild]
RA, DEC:23:32:43.694, -22:55:45.16
(353.182057, -22.929210)
Redshift:0.049
Type:SN II
See object 2020acup [ATLAS20bild]
,
2020adgc [ATLAS20birg]
RA, DEC:02:47:36.999, -28:26:54.36
(41.904163, -28.448434)
Redshift:0.042
Type:SN Ia
See object 2020adgc [ATLAS20birg]
This report includes classifications of 3 Type Ia's and 1 Type II.
AstroNote 2020-264
Type: Object/s-Discovery/Classification
Released: 2020-12-23 17:22:13
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), C. Gutierrez (Turku), S. Yang, T.-W. Chen (Stockholm), S. Prentice (TCD), S. Benetti (INAF), J. Ander...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020aciz [ZTF20acwombm]
RA, DEC:10:03:21.738, +02:50:19.92
(150.840574, 2.838867)
Redshift:0.124
Type:SN Ia
See object 2020aciz [ZTF20acwombm]
,
2020adgf [ASASSN-20qb]
RA, DEC:05:14:12.247, -51:09:09.36
(78.551030, -51.152600)
Redshift:0.06
Type:SN Ia-91T-like
See object 2020adgf [ASASSN-20qb]
,
2020adkj [ATLAS20bisc]
RA, DEC:05:20:34.210, +06:33:21.41
(80.142540, 6.555947)
Redshift:0.029
Type:SN Ia
See object 2020adkj [ATLAS20bisc]
,
2020adkz [ASASSN-20qg]
RA, DEC:11:37:30.140, +19:02:34.15
(174.375583, 19.042819)
Redshift:0.029
Type:SN Ia
See object 2020adkz [ASASSN-20qg]
,
2020admc [ATLAS20bivy]
RA, DEC:11:54:06.074, -39:51:52.69
(178.525307, -39.864636)
Redshift:0.01
Type:SN Ib
See object 2020admc [ATLAS20bivy]
This report includes classifications of 4 Type Ia's, 1 Type Ib
AstroNote 2020-263
Type: Object/s-Discovery/Classification
Released: 2020-12-22 21:34:35
adH0cc spectroscopic classification of SN 2020acug
G. Csoernyei, A. Floers, C. Vogl, S. Taubenberger, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020acug [ZTF20acxtdcm]
RA, DEC:12:14:14.163, +09:47:46.04
(183.559011, 9.796122)
Redshift:0.045
Type:SN II
See object 2020acug [ZTF20acxtdcm]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2020acug, which shows it to be a young Type II supernova.
AstroNote 2020-262
Type: Object/s-Discovery/Classification
Released: 2020-12-22 16:00:09
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), K. W. Smith, S. Srivastav (QUB), C. Gutierrez (Turku), S. Prentice (TCD), S. Yang, T.-W. Chen (Stockh...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020adaf [ASASSN-20pz]
RA, DEC:02:25:07.793, -61:33:20.77
(36.282470, -61.555770)
Redshift:0.048
Type:SN Ia
See object 2020adaf [ASASSN-20pz]
,
2020acmf [ZTF20acxdawc]
RA, DEC:02:43:26.807, +16:39:46.47
(40.861695, 16.662908)
Redshift:0.025
Type:SN Ia
See object 2020acmf [ZTF20acxdawc]
,
2020aboq [ATLAS20bgoz]
RA, DEC:06:38:23.730, -35:13:29.14
(99.598875, -35.224761)
Redshift:0.02
Type:SN Ic-BL
See object 2020aboq [ATLAS20bgoz]
,
2020acrz [ATLAS20biio]
RA, DEC:05:32:59.249, -19:07:02.59
(83.246870, -19.117385)
Redshift:0.069
Type:SN Ia
See object 2020acrz [ATLAS20biio]
,
2020acjd [ZTF20acwogqz]
RA, DEC:10:40:41.576, +27:19:07.70
(160.173232, 27.318805)
Redshift:0.09
Type:SN Ia
See object 2020acjd [ZTF20acwogqz]
,
2020acvc [ZTF20acxvcoe]
RA, DEC:01:30:08.539, +19:10:09.99
(22.535578, 19.169441)
Redshift:
Type:
See object 2020acvc [ZTF20acxvcoe]
,
2020acdz [ZTF20acwlsro]
RA, DEC:06:13:19.620, -26:47:24.90
(93.331750, -26.790250)
Redshift:0.074
Type:SN II
See object 2020acdz [ZTF20acwlsro]
This report includes classifications of 4 Type Ia's, 1 Type Ic-BL, and 1 Type II.
AstroNote 2020-261
Type: Object/s-Discovery/Classification
Released: 2020-12-17 17:24:53
adH0cc spectroscopic classification of SN 2020acod
G. Csoernyei, C. Vogl, A. Floers, S. Taubenberger, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020acod [ZTF20acxiyyp]
RA, DEC:07:33:56.272, +16:36:26.24
(113.484468, 16.607290)
Redshift:0.152
Type:SN Ia
See object 2020acod [ZTF20acxiyyp]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2020acod, which shows it to be a normal Type Ia supernova 6 to 8 days before maximum brightness.
AstroNote 2020-260
Type: Object/s-Discovery/Classification
Released: 2020-12-17 15:31:22
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), C. Gutierrez (Turku), L. Galbany (Granada), M. Dennefeld (IAP), T. Muller-Bravo (S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acdo [ZTF20acwmpsj]
RA, DEC:08:11:38.597, -02:19:46.21
(122.910822, -2.329503)
Redshift:0.0518
Type:SN Ia
See object 2020acdo [ZTF20acwmpsj]
,
2020acaf [ZTF20acwcfvx]
RA, DEC:09:57:18.623, +15:14:11.25
(149.327598, 15.236458)
Redshift:0.077
Type:SN Ia
See object 2020acaf [ZTF20acwcfvx]
,
2020ywx [ATLAS20bewg]
RA, DEC:11:53:26.217, +10:53:47.43
(178.359236, 10.896510)
Redshift:0.0217
Type:SN IIn
See object 2020ywx [ATLAS20bewg]
This report includes classifications of 2 Type Ia's, and 1 Type IIn.
AstroNote 2020-259
Type: Object/s-Discovery/Classification
Released: 2020-12-16 20:55:41
adH0cc spectroscopic classification of SN 2020acei
S. Taubenberger, G. Csoernyei, C. Vogl, A. Floers, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020acei [ZTF20acwpfvq]
RA, DEC:09:44:05.626, -18:11:31.80
(146.023443, -18.192167)
Redshift:0.082
Type:SN Ia
See object 2020acei [ZTF20acwpfvq]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2020acei, which shows it to be a Type Ia supernova 4 to 6 days before maximum brightness.
AstroNote 2020-258
Type: Object/s-Discovery/Classification
Released: 2020-12-16 14:56:24
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), C. Gutierrez (Turku), L. Galbany (Granada), M. Dennefeld (IAP), T. Muller-Bravo (S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acqx [ATLAS20bihi]
RA, DEC:02:42:54.190, -17:00:10.75
(40.725792, -17.002985)
Redshift:0.02
Type:SN Ia
See object 2020acqx [ATLAS20bihi]
,
2020acef [ZTF20acwnrty]
RA, DEC:09:44:23.973, +22:58:44.92
(146.099886, 22.979145)
Redshift:0.065
Type:SN Ia-91T-like
See object 2020acef [ZTF20acwnrty]
This report includes classifications of 2 Type Ia's.
AstroNote 2020-257
Type: Object/s-Discovery/Classification
Released: 2020-12-15 18:04:42
ATLAS20bhzu (AT2020acpi): discovery of a candidate supernova in ESO216-G021 (74 Mpc)
T.-W. Chen (Stockholm), K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020acpi [ATLAS20bhzu]
RA, DEC:11:35:46.559, -49:02:12.43
(173.943996, -49.036788)
Redshift:0.017
Type:SN II
See object 2020acpi [ATLAS20bhzu]
Here we report the ATLAS discovery of the transient ATLAS20bhzu (AT2020acpi) in galaxy ESO216-G021 at magnitude c = 18.78 +/- 0.15. At a distance of 74.4 Mpc, the transient was discovered on MJD = ...
AstroNote 2020-256
Type: Object/s-Discovery/Classification
Released: 2020-12-15 15:44:11
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), C. Gutierrez (Turku), L. Galbany (Granada), M. Dennefeld (IAP), T. Muller-Bravo (S...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abcq [ATLAS20bgez]
RA, DEC:08:44:31.500, -20:20:47.36
(131.131250, -20.346489)
Redshift:0.0115
Type:SN II
See object 2020abcq [ATLAS20bgez]
,
2020abgv [ZTF20acumekm]
RA, DEC:02:38:40.800, -26:59:16.15
(39.670000, -26.987819)
Redshift:0.057
Type:SN Ia
See object 2020abgv [ZTF20acumekm]
,
2020abqu [ATLAS20bgpq]
RA, DEC:04:13:49.975, -14:10:27.31
(63.458230, -14.174253)
Redshift:0.044
Type:SN Ia
See object 2020abqu [ATLAS20bgpq]
,
2020abyx [ATLAS20bhby]
RA, DEC:13:32:07.160, -22:57:17.50
(203.029833, -22.954861)
Redshift:0.0169
Type:SN Ia
See object 2020abyx [ATLAS20bhby]
,
2020acbm [ZTF20acwgxhk]
RA, DEC:02:40:17.800, +02:25:37.45
(40.074167, 2.427069)
Redshift:0.021
Type:SN II
See object 2020acbm [ZTF20acwgxhk]
,
2020acma [ATLAS20bhnw]
RA, DEC:10:37:57.856, -28:54:30.73
(159.491068, -28.908537)
Redshift:0.014
Type:SN Ia
See object 2020acma [ATLAS20bhnw]
,
2020acol [ZTF20acxkxxr]
RA, DEC:22:23:58.284, -04:04:20.03
(335.992852, -4.072231)
Redshift:0.0163
Type:SN Ia
See object 2020acol [ZTF20acxkxxr]
This report includes classifications of 5 Type Ia's, and 2 Type II's.
AstroNote 2020-255
Type: Object/s-Discovery/Classification
Released: 2020-12-14 18:01:01
Supernova Hunters Discovery of 24 Optical Transients with Pan-STARRS
M. Fulton, K. W. Smith (QUB), D. E. Wright (Minnesota), B. Simmons (Lancaster), C. Krawczyk (Portsmouth), M. Huber (I...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2020acly [PS20mca]
RA, DEC:06:41:39.290, +52:53:36.57
(100.413708, 52.893491)
Redshift:
Type:CV
See object 2020acly [PS20mca]
,
2020acmr [PS20mcb]
RA, DEC:04:32:18.970, -11:18:18.42
(68.079041, -11.305116)
Redshift:0.04
Type:SN II-pec
See object 2020acmr [PS20mcb]
,
2020aclx [PS20mbz]
RA, DEC:00:37:53.521, -21:28:18.95
(9.473003, -21.471930)
Redshift:0.06
Type:SN Ia-91bg-like
See object 2020aclx [PS20mbz]
,
2020acmv [PS20mcf]
RA, DEC:03:31:50.282, +15:12:37.88
(52.959507, 15.210521)
Redshift:
Type:
See object 2020acmv [PS20mcf]
,
2020acmx [PS20mci]
RA, DEC:09:27:49.815, +14:19:34.22
(141.957563, 14.326173)
Redshift:
Type:
See object 2020acmx [PS20mci]
,
2020aclt [PS20mbx]
RA, DEC:00:02:10.809, -19:49:46.21
(0.545036, -19.829504)
Redshift:
Type:
See object 2020aclt [PS20mbx]
,
2020acnc [PS20mcn]
RA, DEC:02:43:26.474, +19:38:57.75
(40.860307, 19.649376)
Redshift:
Type:
See object 2020acnc [PS20mcn]
,
2020acne [PS20mcp]
RA, DEC:02:48:16.319, +19:04:39.60
(42.067995, 19.077667)
Redshift:
Type:
See object 2020acne [PS20mcp]
,
2020acnd [PS20mco]
RA, DEC:07:56:26.146, +53:00:21.21
(119.108942, 53.005891)
Redshift:
Type:
See object 2020acnd [PS20mco]
,
2020acmz [PS20mck]
RA, DEC:06:26:36.475, +55:44:52.97
(96.651977, 55.748048)
Redshift:
Type:
See object 2020acmz [PS20mck]
,
2020acnb [PS20mcm]
RA, DEC:08:22:42.080, -05:54:26.08
(125.675332, -5.907246)
Redshift:
Type:
See object 2020acnb [PS20mcm]
,
2020acls [PS20mbw]
RA, DEC:05:24:15.442, -15:34:49.19
(81.064340, -15.580332)
Redshift:
Type:
See object 2020acls [PS20mbw]
,
2020acni [PS20mct]
RA, DEC:08:36:14.784, -13:30:26.63
(129.061602, -13.507398)
Redshift:
Type:
See object 2020acni [PS20mct]
,
2020acmy [PS20mcj]
RA, DEC:03:11:36.281, +07:50:46.64
(47.901171, 7.846290)
Redshift:
Type:
See object 2020acmy [PS20mcj]
,
2020acmw [PS20mch]
RA, DEC:09:45:34.790, +01:04:51.84
(146.394957, 1.081068)
Redshift:
Type:
See object 2020acmw [PS20mch]
,
2020aclp [PS20mbs]
RA, DEC:03:45:47.875, -13:20:10.94
(56.449479, -13.336372)
Redshift:
Type:
See object 2020aclp [PS20mbs]
,
2020acms [PS20mcc]
RA, DEC:09:04:26.148, +13:18:26.97
(136.108952, 13.307492)
Redshift:
Type:
See object 2020acms [PS20mcc]
,
2020aclq [PS20mbt]
RA, DEC:05:08:04.022, -05:25:49.28
(77.016758, -5.430357)
Redshift:
Type:
See object 2020aclq [PS20mbt]
,
2020acmt [PS20mcd]
RA, DEC:09:43:13.169, +09:47:26.88
(145.804870, 9.790801)
Redshift:
Type:
See object 2020acmt [PS20mcd]
,
2020aclr [PS20mbu]
RA, DEC:03:20:46.636, +22:34:51.39
(50.194315, 22.580942)
Redshift:
Type:
See object 2020aclr [PS20mbu]
,
2020acmu [PS20mce]
RA, DEC:09:15:32.552, +12:32:06.34
(138.885632, 12.535093)
Redshift:
Type:
See object 2020acmu [PS20mce]
,
2020aclu [PS20mby]
RA, DEC:03:40:15.965, -12:01:32.59
(55.066521, -12.025720)
Redshift:
Type:
See object 2020aclu [PS20mby]
,
2020acna [PS20mcl]
RA, DEC:05:30:58.713, -14:46:23.85
(82.744639, -14.773292)
Redshift:
Type:
See object 2020acna [PS20mcl]
,
2020acnh [PS20mcs]
RA, DEC:04:58:44.140, -13:15:34.08
(74.683917, -13.259467)
Redshift:
Type:
See object 2020acnh [PS20mcs]
Related Notes:
2019-48
AstroNote 2019-482019-07-20 17:31:04
Title: Pan-STARRS Search for Kilonovae : discovery of an intrinsically faint transient in UGC 12798 (68 Mpc)
Authors: S. J. Smartt, (Queen's University Belfast), K. C. Ch...
Source Group: Pan-STARRS1
Here we report the discovery of 24 transient objects as part of the Pan-STARRS Survey for Transients (PSST) found by citizen scientists involved in the Supernova Hunters Zooniverse Project. This t...
AstroNote 2020-254
Type: Object/s-Discovery/Classification
Released: 2020-12-14 16:23:00
ATLAS20bhnw (AT2020acma): discovery of a candidate supernova in ESO 437- G 019 (67 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020acma [ATLAS20bhnw]
RA, DEC:10:37:57.856, -28:54:30.73
(159.491068, -28.908537)
Redshift:0.014
Type:SN Ia
See object 2020acma [ATLAS20bhnw]
Here we report the ATLAS discovery of the transient ATLAS20bhnw (AT2020acma) in galaxy ESO 437- G 019 (67 Mpc) at magnitude c = 17.87 +/- 0.07. At a distance of 67 Mpc, the transient was discovered...
AstroNote 2020-253
Type: Object/s-Discovery/Classification
Released: 2020-12-13 07:16:32
Spectroscopic Classification of AT2020acli in NGC300
M. Lundquist (UA), J. Andrews (UA), S. Valenti (UC-Davis), D.J.Sand (UA), S. Wyatt (UA), R. Amaro (UA), J. Jencson (U...
Source Group: DLT40
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acli [DLT20aa]
RA, DEC:00:55:08.916, -37:44:19.85
(13.787152, -37.738846)
Redshift:
Type:SN IIn-pec
See object 2020acli [DLT20aa]
Here we report on a classification spectrum for AT2020acli (DLT20aa), a faint transient (r=18.5 mag; M_r=-8.0 mag) discovered in NGC300 by the DLT40 survey.
AstroNote 2020-252
Type: Object/s-Discovery/Classification
Released: 2020-12-12 15:02:14
adH0cc spectroscopic classification of SN 2020acae
C. Vogl, A. Floers, S. Taubenberger, G. Csoernyei, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020acae [ZTF20acwcqnv]
RA, DEC:08:06:49.841, +23:57:03.71
(121.707670, 23.951030)
Redshift:0.09
Type:SN Ia
See object 2020acae [ZTF20acwcqnv]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2020acae, which shows it to be a normal Type Ia supernova close to maximum light.
AstroNote 2020-251
Type: Object/s-Discovery/Classification
Released: 2020-12-11 16:00:17
adH0cc spectroscopic classification of SN 2020abty
G. Csoernyei, S. Taubenberger, C. Vogl, A. Floers, M. G. Cudmani, A. Holas, W. Hillebrandt, S. H. Suyu (MPA Garching)...
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020abty [ATLAS20bgrn]
RA, DEC:01:24:38.580, -09:35:57.55
(21.160750, -9.599319)
Redshift:0.04185
Type:SN II
See object 2020abty [ATLAS20bgrn]
Related Notes:
2019-103
AstroNote 2019-1032019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S....
We have obtained an optical spectrum of SN 2020abty, which shows it to be a young Type II supernova.
AstroNote 2020-250
Type: Object/s-Discovery/Classification
Released: 2020-12-11 10:32:46
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), L. Galbany (Granada), C. Gutierrez (Turku), T. Schweyer (Stockholm), S. Benetti (I...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abfa [ZTF20actskcf]
RA, DEC:03:07:20.610, +04:23:25.84
(46.835875, 4.390511)
Redshift:0.031
Type:SN Ia
See object 2020abfa [ZTF20actskcf]
,
2020abww [ASASSN-20pi]
RA, DEC:03:14:25.063, -62:27:02.59
(48.604430, -62.450720)
Redshift:0.059
Type:SN Ia
See object 2020abww [ASASSN-20pi]
,
2020abxl [ATLAS20bgzy]
RA, DEC:05:04:22.764, -14:02:46.38
(76.094851, -14.046216)
Redshift:0.0815
Type:SN Ic-BL
See object 2020abxl [ATLAS20bgzy]
,
2020abyj [ATLAS20bhaz]
RA, DEC:01:33:53.083, -25:12:23.22
(23.471181, -25.206449)
Redshift:0.0318
Type:SN
See object 2020abyj [ATLAS20bhaz]
This report includes classifications of 2 Type Ia's, 1Type Ic broad line, and SN2020abyj, which is a CC SNe with narrow Balmer lines and HeII.
AstroNote 2020-249
Type: Object/s-Discovery/Classification
Released: 2020-12-10 15:59:03
ATLAS20bhfe (AT2020acat): discovery of a supernova in PGC 037027 (38 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020acat [ATLAS20bhfe]
RA, DEC:11:50:41.225, -10:13:38.92
(177.671771, -10.227478)
Redshift:0.0079
Type:SN IIb
See object 2020acat [ATLAS20bhfe]
Related Notes:
2020-248
AstroNote 2020-2482020-12-10 08:43:34
Title: ePESSTO+ spectroscopic classification of optical transients
Authors: P. Pessi (ESO), J. Anderson (ESO), L. Galbany (Granada), ...
Source Group: ePESSTO+
Here we report the ATLAS discovery of the young supernova ATLAS20bhfe (AT2020acat) in galaxy PGC 037027 at magnitude o = 18.48 +/- 0.14. At a distance of 38 Mpc, the transient was discovered on MJD...
AstroNote 2020-248
Type: Object/s-Discovery/Classification
Released: 2020-12-10 10:59:18
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), L. Galbany (Granada), C. Gutierrez (Turku), T. Schweyer (Stockholm), S. Benetti (I...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020acat [ATLAS20bhfe]
RA, DEC:11:50:41.225, -10:13:38.92
(177.671771, -10.227478)
Redshift:0.0079
Type:SN IIb
See object 2020acat [ATLAS20bhfe]
,
2020abbw [ZTF20actvgjx]
RA, DEC:09:31:03.396, +23:53:06.43
(142.764149, 23.885119)
Redshift:0.105
Type:SN Ia-pec
See object 2020abbw [ZTF20actvgjx]
,
2020absz [ZTF20acviwgj]
RA, DEC:06:31:46.740, -17:37:09.70
(97.944750, -17.619361)
Redshift:0.0213
Type:SN II
See object 2020absz [ZTF20acviwgj]
This report includes classifications of 1 Type Ia, 1 Type II, and a very young Type IIb SNe. SN2020abbw looks similar to the peculiar SNIa PTF11kx.
AstroNote 2020-247
Type: Object/s-Discovery/Classification
Released: 2020-12-09 14:40:23
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), L. Galbany (Granada), S. Prentice (TCD), S. Srivastav (QUB), G. Pignata (UNAB), S....
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abjl [ZTF20acumxrh]
RA, DEC:05:06:08.430, -11:14:05.67
(76.535125, -11.234909)
Redshift:0.07
Type:SN Ia
See object 2020abjl [ZTF20acumxrh]
,
2020abqa [ZTF20acvcnki]
RA, DEC:03:14:39.673, +25:34:26.73
(48.665305, 25.574091)
Redshift:0.066
Type:SN Ia-pec
See object 2020abqa [ZTF20acvcnki]
,
2020abli [ATLAS20bgmc]
RA, DEC:06:21:54.941, -29:32:56.29
(95.478922, -29.548970)
Redshift:0.078
Type:SN Ia
See object 2020abli [ATLAS20bgmc]
,
2020abge [ATLAS20bgin]
RA, DEC:00:34:18.120, -02:33:37.33
(8.575500, -2.560369)
Redshift:0.089
Type:SN Ia
See object 2020abge [ATLAS20bgin]
This report includes classifications of 4Type Ia's.
AstroNote 2020-246
Type: Object/s-Discovery/Classification
Released: 2020-12-09 01:10:12
ATLAS20bhby (AT2020abyx): discovery of a candidate SN in ESO 509- G 045 (48 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020abyx [ATLAS20bhby]
RA, DEC:13:32:07.160, -22:57:17.50
(203.029833, -22.954861)
Redshift:0.0169
Type:SN Ia
See object 2020abyx [ATLAS20bhby]
Here we report the ATLAS discovery of the transient ATLAS20bhby (AT2020abyx) in galaxy ESO 509- G 045 at magnitude m_o = 16.76 +/- 0.03. At a distance of 48 Mpc (redshift independent, from NED), t...
AstroNote 2020-245
Type: Object/s-Discovery/Classification
Released: 2020-12-08 11:33:42
ePESSTO+ spectroscopic classification of optical transients
P. Pessi (ESO), J. Anderson (ESO), L. Galbany (Granada), S. Prentice (TCD), S. Srivastav (QUB), G. Pignata (UNAB), T....
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abcs [ATLAS20bgff]
RA, DEC:22:41:25.800, -24:11:50.71
(340.357500, -24.197419)
Redshift:0.049
Type:SN Ia
See object 2020abcs [ATLAS20bgff]
,
2020abnu [ATLAS20bgob]
RA, DEC:01:53:03.920, -36:03:56.41
(28.266333, -36.065669)
Redshift:0.042
Type:SN Ia
See object 2020abnu [ATLAS20bgob]
This report includes classifications of 2 Type Ia's.
AstroNote 2020-244
Type: Object/s-Discovery/Classification
Released: 2020-12-07 15:40:30
ePESSTO+ spectroscopic classification of optical transients
J. Anderson (ESO), P. Pessi (ESO), L. Galbany (Granada), S. Prentice (TCD), S. Srivastav (QUB), G. Pignata (UNAB), J....
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020usa [ZTF20acbcfaa]
RA, DEC:22:26:13.590, -02:16:06.71
(336.556625, -2.268531)
Redshift:0.263
Type:SLSN-II
See object 2020usa [ZTF20acbcfaa]
,
2020abln [ZTF20acumcrz]
RA, DEC:01:31:38.884, +18:14:42.04
(22.912019, 18.245010)
Redshift:0.054
Type:SN Ia
See object 2020abln [ZTF20acumcrz]
,
2020abtf [ZTF20acvjagm]
RA, DEC:07:59:34.483, +15:18:00.02
(119.893680, 15.300007)
Redshift:0.014
Type:SN II
See object 2020abtf [ZTF20acvjagm]
,
2020abmg [ATLAS20bgmy]
RA, DEC:08:15:24.545, -06:57:27.74
(123.852271, -6.957705)
Redshift:0.04
Type:SN Ia-91bg-like
See object 2020abmg [ATLAS20bgmy]
,
2020znl
RA, DEC:06:13:17.899, -15:53:31.45
(93.324578, -15.892069)
Redshift:0.043
Type:SN II
See object 2020znl
This report includes classifications of 2 Type Ia, 2 Type II, 1 Type SLSN-IIn. SN2020abtf shows a blue continuum with a bump at around ~4700A, which we associated to CIV 4648A. We classified it as ...
AstroNote 2020-243
Type: Object/s-Discovery/Classification
Released: 2020-12-04 14:34:42
REFITT Discovery and Classification of SN2020abog (ZTF20acpgjac) using SOAR
K. E. Weil (Purdue University), D. Milisavljevic (Purdue University), M. Andrews (Purdue University), J. Banovetz (Pu...
Source Group: REFITT
Keywords: Supernova, Optical, Spectroscopy, Transient
Related Objects:
2020abog [ZTF20acpgjac]
RA, DEC:07:52:28.214, -19:25:12.79
(118.117556, -19.420220)
Redshift:0.063
Type:SN Ia
See object 2020abog [ZTF20acpgjac]
Here we report the discovery and classification of SN2020abog (ZTF20acpgjac) as a SN Ia.
AstroNote 2020-242
Type: Object/s-Discovery/Classification
Released: 2020-12-04 14:29:47
REFITT classifications of optical transients using SOAR
K. E. Weil (Purdue University), D. Milisavljevic (Purdue University), M. Andrews (Purdue University), J. Banovetz (Pu...
Source Group: REFITT
Keywords: Supernova, Optical, Spectroscopy, Transient
Related Objects:
2020tfb [ZTF20acjqksf]
RA, DEC:06:08:52.139, -26:24:45.98
(92.217245, -26.412771)
Redshift:0.048
Type:SN IIP
See object 2020tfb [ZTF20acjqksf]
,
2020vfv [ZTF20accmtgu]
RA, DEC:08:34:17.862, -02:24:04.95
(128.574427, -2.401374)
Redshift:0.057
Type:SN IIP
See object 2020vfv [ZTF20accmtgu]
,
2020aajf [ZTF20acrerzb]
RA, DEC:03:22:26.983, -03:49:07.15
(50.612431, -3.818653)
Redshift:0.063
Type:SN Ia
See object 2020aajf [ZTF20acrerzb]
Here we report the classification of 3 optical transients with 1 SN Ia: SN2020aajf and 2 SN IIP: SN2020tfb and SN2020vfv.
AstroNote 2020-241
Type: Object/s-Discovery/Classification
Released: 2020-12-03 21:38:38
ATLAS20bgkn (AT2020able): discovery of a candidate supernova in WISEA J092602.94+243114.9 (108 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020able [ATLAS20bgkn]
RA, DEC:09:26:02.262, +24:31:18.07
(141.509425, 24.521685)
Redshift:0.024755
Type:SN Ic
See object 2020able [ATLAS20bgkn]
Here we report the ATLAS discovery of the transient ATLAS20bgkn (AT2020able) in galaxy WISEA J092602.94+243114.9 at magnitude o = 18.95 +/- 0.18. At a distance of 108 Mpc, the transient was discove...
AstroNote 2020-240
Type: Object/s-Discovery/Classification
Released: 2020-12-02 17:17:51
ATLAS20bgkm (AT2020abjq): discovery of a candidate supernova in UGC 678 (72 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020abjq [ATLAS20bgkm]
RA, DEC:01:06:14.630, +03:34:26.08
(16.560958, 3.573911)
Redshift:0.018433
Type:SN II
See object 2020abjq [ATLAS20bgkm]
Here we report the ATLAS discovery of the transient ATLAS20bgkm (AT2020abjq) in galaxy UGC 678 at magnitude o = 17.42 +/- 0.06. At a distance of 72 Mpc, the transient was discovered on MJD = 59185....
AstroNote 2020-239
Type: Object/s-Discovery/Classification
Released: 2020-11-29 20:31:29
ATLAS20bgez (AT2020abcq): discovery of a candidate SN in ESO 563- G 017 (58 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020abcq [ATLAS20bgez]
RA, DEC:08:44:31.500, -20:20:47.36
(131.131250, -20.346489)
Redshift:0.0115
Type:SN II
See object 2020abcq [ATLAS20bgez]
Here we report the ATLAS discovery of the transient ATLAS20bgez (AT2020abcq) in galaxy ESO 563- G 017 at magnitude m_o = 18.80 +/- 0.18. At a distance of 58 Mpc, the transient was discovered on MJ...
AstroNote 2020-238
Type: Object/s-Discovery/Classification
Released: 2020-11-29 20:29:43
ATLAS20bgey (AT2020abcp): discovery of a candidate SN in CGCG 044-044 NED02 (104 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum ...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020abcp [ATLAS20bgey]
RA, DEC:13:15:54.860, +08:01:39.36
(198.978583, 8.027600)
Redshift:
Type:SN Ia
See object 2020abcp [ATLAS20bgey]
Here we report the ATLAS discovery of the transient ATLAS20bgey (AT2020abcp) in galaxy CGCG 044-044 NED02 at magnitude m_o = 17.14 +/- 0.13. At a distance of 104 Mpc, the transient was discovered ...
AstroNote 2020-237
Type: Object/s-Discovery/Classification
Released: 2020-11-25 19:22:21
Las Campanas spectroscopic classification of young optical transients
Carlos Contreras (LCO), Emilio D. Hueichapan (U. de Chile), Regis Cartier (CTIO/NOIRLab), Hugo Rivera (LCO), Carla Fu...
Keywords: Supernova, Optical
Related Objects:
2020aary [ASASSN-20op]
RA, DEC:03:21:29.860, -61:46:11.96
(50.374417, -61.769989)
Redshift:
Type:
See object 2020aary [ASASSN-20op]
,
2020aatc [ZTF20actddoh]
RA, DEC:02:48:16.430, -10:15:07.52
(42.068458, -10.252089)
Redshift:0.01525
Type:SN Ia
See object 2020aatc [ZTF20actddoh]
,
2020aatb [ZTF20acrzwvx]
RA, DEC:05:24:46.412, -15:56:31.43
(81.193383, -15.942065)
Redshift:0.009954
Type:SN II
See object 2020aatb [ZTF20acrzwvx]
,
2020aaul [ZTF20actjbaf]
RA, DEC:08:01:41.403, -10:24:21.15
(120.422511, -10.405876)
Redshift:0.08
Type:SN Ia
See object 2020aaul [ZTF20actjbaf]
,
2020aauk [ZTF20actiymd]
RA, DEC:08:17:50.950, -05:43:09.70
(124.462292, -5.719361)
Redshift:0.03943
Type:SN Ia
See object 2020aauk [ZTF20actiymd]
We report the spectroscopic classification of SN 2020aary, SN 2020aatc, SN 2020aaul and SN 2020aauk as young SNe Ia and of SN 2020aatb as a young SN II.

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AstroNote 2020-100
Released: 2020-05-07
Views Count: 1453
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
AstroNote 2019-163
Released: 2019-12-31
Views Count: 1102
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A...
AstroNote 2020-126
Released: 2020-06-25
Views Count: 1077
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
A. Townsend (Queen's University Belfast / University of Manchester), K. W. Smith, S. Srivast...
AstroNote 2019-8
Released: 2019-05-03
Views Count: 933
Classification of AT 2019ein as a young SN Ia-peculiar
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