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AstroNote 2023-288
Type: Object/s-Discovery/Classification
Released: 2023-11-03 14:14:43
ePESSTO+ spectroscopic classification of optical transients
A. Aamer, T. Moore (QUB), P. Ramsden (QUB/Birmingham), M. Fulton, K. W. Smith (QUB), S. Benetti (INAF-OAPd), J. Ander...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023wcl [ATLAS23uue]
RA, DEC:19:37:41.839, -20:58:29.03
(294.424331, -20.974731)
Redshift:0
Type:CV
See object 2023wcl [ATLAS23uue]
,
2023vfh [ASASSN-23hh]
RA, DEC:20:10:44.170, -80:58:09.80
(302.684042, -80.969389)
Redshift:0.02
Type:SN Ia
See object 2023vfh [ASASSN-23hh]
,
2023usw [ATLAS23uan]
RA, DEC:23:17:57.348, -36:17:36.95
(349.488948, -36.293598)
Redshift:0.052
Type:SN Ia-91T-like
See object 2023usw [ATLAS23uan]
This report includes classifications of 1 Type Ia, 1 type Ia-91T and one CV.
AstroNote 2023-287
Type: Object/s-Discovery/Classification
Released: 2023-11-01 20:10:12
ATLAS23uvt (AT2023wdd): discovery of a rapidly evolving transient in UGC 00831 (106 Mpc)
S. Ramaiya (Oxford), S. Srivastav (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moor...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023wdd [ATLAS23uvt]
RA, DEC:01:18:11.029, +38:26:32.61
(19.545952, 38.442391)
Redshift:0.024
Type:SN IIb
See object 2023wdd [ATLAS23uvt]
Here we report the ATLAS discovery of the transient ATLAS23uvt (AT2023wdd) in galaxy UGC 00831 at magnitude m_o = 18.07 +/- 0.10. At a distance of 106 Mpc, the transient was discovered on MJD = 60...
AstroNote 2023-286
Type: Object/s-Discovery/Classification
Released: 2023-10-31 15:21:21
ePESSTO+ spectroscopic classification of optical transients
B. Warwick (Warwick), E. Hueichapan (UDP), M. Pursiainen, A. Sahu, A. Kumar, J. Lyman, D. Coppejans, D. O’Neill, K. A...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023vyy [ZTF23abnpddd]
RA, DEC:21:15:00.739, -12:48:18.88
(318.753078, -12.805244)
Redshift:0.07
Type:SN Ia
See object 2023vyy [ZTF23abnpddd]
,
2023vqn [ATLAS23unj]
RA, DEC:22:52:31.726, +18:14:06.46
(343.132193, 18.235128)
Redshift:0.07
Type:SN Ia
See object 2023vqn [ATLAS23unj]
,
2023vxb [ZTF23abndgcq]
RA, DEC:21:42:29.399, +18:24:32.22
(325.622494, 18.408950)
Redshift:0.05
Type:SN Ia
See object 2023vxb [ZTF23abndgcq]
,
2023way [XM123MZ]
RA, DEC:21:24:11.150, +15:59:22.92
(321.046458, 15.989700)
Redshift:0.018429
Type:SN II
See object 2023way [XM123MZ]
,
2023vxc [ZTF23abndank]
RA, DEC:20:25:23.800, -12:23:37.82
(306.349165, -12.393840)
Redshift:0.07
Type:SN Ia-91T-like
See object 2023vxc [ZTF23abndank]
,
2023vyx [ZTF23abnpjlt]
RA, DEC:21:20:44.383, -09:31:18.40
(320.184928, -9.521776)
Redshift:0.08
Type:SN Ia
See object 2023vyx [ZTF23abnpjlt]
,
2023wbw [ATLAS23usx]
RA, DEC:00:36:18.791, +11:23:29.90
(9.078295, 11.391638)
Redshift:0.036
Type:SN Ia
See object 2023wbw [ATLAS23usx]
,
2023vwr [ZTF23abnkwpb]
RA, DEC:23:20:52.328, -04:11:36.48
(350.218032, -4.193468)
Redshift:0.06
Type:SN Ia
See object 2023vwr [ZTF23abnkwpb]
,
2023wbt [ZTF23abnpoqp]
RA, DEC:23:45:51.158, -06:46:56.13
(356.463157, -6.782258)
Redshift:0.036
Type:SN Ib
See object 2023wbt [ZTF23abnpoqp]
,
2023vvy [ZTF23abmtzcg]
RA, DEC:23:39:03.257, -16:35:11.58
(354.763570, -16.586550)
Redshift:0.09
Type:SN Ia
See object 2023vvy [ZTF23abmtzcg]
,
2023vqm [ATLAS23uni]
RA, DEC:23:12:18.318, -76:19:10.76
(348.076323, -76.319657)
Redshift:0.065
Type:SN Ia
See object 2023vqm [ATLAS23uni]
,
2023wbx [ATLAS23utg]
RA, DEC:23:59:25.310, -41:26:03.37
(359.855458, -41.434269)
Redshift:0.06
Type:SN Ia-91T-like
See object 2023wbx [ATLAS23utg]
This report includes classifications of 1 Type Ib, 8 Type Ia, 2 Type Ia-91T-like supernovae, and 1 event with a blue and featureless spectrum.
AstroNote 2023-285
Type: Object/s-Discovery/Classification
Released: 2023-10-30 15:27:37
ePESSTO+ spectroscopic classification of optical transients
E. Hueichapan (UDP), B. Warwick, A. Kumar, M. Pursiainen, A. Sahu, D. O’Neill, D. Coppejans, J. Lyman, K. Ackley, M. ...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023vjy [ATLAS23ukr]
RA, DEC:21:36:48.181, -20:12:45.67
(324.200752, -20.212685)
Redshift:0.04
Type:SN Ia
See object 2023vjy [ATLAS23ukr]
,
2023vey [PS23jnd]
RA, DEC:04:59:33.729, -05:54:47.62
(74.890536, -5.913227)
Redshift:0.09
Type:SN Ia
See object 2023vey [PS23jnd]
,
2023vqk [ATLAS23unb]
RA, DEC:04:34:51.610, -73:05:47.36
(68.715042, -73.096489)
Redshift:0.07
Type:SN Ia
See object 2023vqk [ATLAS23unb]
,
2023upt [PS23jfu]
RA, DEC:04:28:27.395, -17:53:27.16
(67.114146, -17.890877)
Redshift:0.06
Type:SN Ia
See object 2023upt [PS23jfu]
,
2023vvw [ATLAS23ura]
RA, DEC:22:50:09.188, -51:40:03.89
(342.538284, -51.667746)
Redshift:0.05
Type:SN Ic-BL
See object 2023vvw [ATLAS23ura]
,
2023vln [XM122MZ]
RA, DEC:20:47:32.670, +03:28:27.09
(311.886124, 3.474190)
Redshift:0
Type:CV
See object 2023vln [XM122MZ]
,
2023uln [ATLAS23twh]
RA, DEC:03:03:05.524, -34:44:43.52
(45.773015, -34.745423)
Redshift:0.05
Type:SN II
See object 2023uln [ATLAS23twh]
This report includes classifications of 4 Type Ia, 1 Type Ic-BL, 1 Type II supernovae, and 1 CV. Type Ia SN2023vqk exhibits strong C II 6580, which along with the high luminosity (M ~ -19.50 mag), ...
AstroNote 2023-284
Type: Object/s-Discovery/Classification
Released: 2023-10-28 18:26:50
ATLAS23urs (AT2023vyl): discovery of a candidate SN in NGC 7625 (23 Mpc)
S. Srivastav (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Shen...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023vyl [ATLAS23urs]
RA, DEC:23:20:29.664, +17:13:16.35
(350.123601, 17.221209)
Redshift:0.005434
Type:SN Ia
See object 2023vyl [ATLAS23urs]
Here we report the ATLAS discovery of the transient ATLAS23urs (AT2023vyl) in galaxy NGC 7625 at magnitude m_o = 17.43 +/- 0.11. At a distance of 23 Mpc, the transient was discovered on MJD = 6024...
AstroNote 2023-282
Type: Object/s-Discovery/Classification
Released: 2023-10-26 19:54:02
NOT spectroscopic observations of optical transients
M. Ojanperä, H. Kankaanpää, M. Kaseva, K. Kelder, A. P. Nitindala, P. Charalampopoulos, C. Humina, T. Kangas, K. Mati...
Keywords: Transient, Supernova
Related Objects:
2023vtp [ZTF23abjxqwr]
RA, DEC:05:03:39.750, -16:32:38.87
(75.915625, -16.544131)
Redshift:0.042
Type:SN Ia-91T-like
See object 2023vtp [ZTF23abjxqwr]
,
2023vhk [ATLAS23uik]
RA, DEC:10:04:56.316, +27:28:53.94
(151.234650, 27.481650)
Redshift:0.052
Type:SN Ia
See object 2023vhk [ATLAS23uik]
We report the classification of two optical transients (two type Ia SNe).
AstroNote 2023-281
Type: Object/s-Discovery/Classification
Released: 2023-10-25 18:04:38
NOT spectroscopic observations of optical transients
A. Bobrikova, A. Bocharova, E. Georgiou, J. Hiltunen, S. Kanto, P. Charalampopoulos, C. Humina, T. Kangas, K. Matilai...
Keywords: Transient, Supernova
Related Objects:
2023vbx
RA, DEC:02:22:46.032, +26:27:35.58
(35.691800, 26.459882)
Redshift:0.033
Type:SN IIn
See object 2023vbx
,
2023vco
RA, DEC:02:23:18.740, -21:03:16.99
(35.828085, -21.054719)
Redshift:0.167
Type:SLSN-I
See object 2023vco
,
2023vrq
RA, DEC:20:24:09.575, +16:21:24.14
(306.039897, 16.356706)
Redshift:
Type:
See object 2023vrq
We report the classification of one optical transient (a type IIn SN) and the observation of two more featureless blue continua.
AstroNote 2023-280
Type: Object/s-Discovery/Classification
Released: 2023-10-25 18:02:41
X-shooter spectroscopy of SN2023vuc/GOTO23baj reveals a young supernova with flash ionisation features
A. Saccardi (GEPI/Paris Obs.), G. Leloudas (DTU Space), A. J. Levan (Radboud Univ. and Warwick Univ.), L. Izzo (INAF ...
Source Group: STARGATE
Keywords: Transient, Supernova, Gamma-Ray Burst
Related Objects:
2023vuc [GOTO23baj]
RA, DEC:00:55:07.306, -15:15:19.75
(13.780440, -15.255487)
Redshift:0.056
Type:SN II
See object 2023vuc [GOTO23baj]
We report spectroscopic observations of the transient GOTO23baj/SN2023vuc that show it to be a young supernova with flash ionization features. The transient was found in the error box of the short ...
AstroNote 2023-279
Type: Object/s-Discovery/Classification
Released: 2023-10-25 16:02:20
ePESSTO+ spectroscopic classification of optical transients
B. Warwick (Warwick), T. Pessi (UDP), M. Pursiainen, A. Kumar, A. Sahu, D. O’Neill, D. Coppejans, J. Lyman, K. Ackley...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023tvj [ATLAS23tje]
RA, DEC:06:08:57.120, -21:31:20.06
(92.238000, -21.522239)
Redshift:0.04
Type:SN II
See object 2023tvj [ATLAS23tje]
,
2023ver [PS23jmw]
RA, DEC:03:51:40.274, -00:30:38.95
(57.917808, -0.510820)
Redshift:0.03
Type:SN Ia-91T-like
See object 2023ver [PS23jmw]
,
2022xcb [PS22jxt]
RA, DEC:05:00:05.470, -23:55:00.10
(75.022793, -23.916694)
Redshift:0.04
Type:SN II
See object 2022xcb [PS22jxt]
,
2023vdr [ZTF23abjhmmw]
RA, DEC:02:29:39.347, +03:43:33.03
(37.413945, 3.725842)
Redshift:0.132
Type:SN Ia
See object 2023vdr [ZTF23abjhmmw]
,
2023vhl [ATLAS23uil]
RA, DEC:19:21:42.683, -56:33:04.58
(290.427848, -56.551272)
Redshift:0.03
Type:SN II
See object 2023vhl [ATLAS23uil]
,
2023utb [ASASSN-23hc]
RA, DEC:03:06:36.228, -72:58:17.31
(46.650948, -72.971474)
Redshift:0.032
Type:SN Ia
See object 2023utb [ASASSN-23hc]
,
2023nqn [ATLAS23phi]
RA, DEC:01:35:40.650, -36:09:53.20
(23.919374, -36.164779)
Redshift:0.016
Type:SN Ia
See object 2023nqn [ATLAS23phi]
,
2023uln [ATLAS23twh]
RA, DEC:03:03:05.524, -34:44:43.52
(45.773015, -34.745423)
Redshift:0.05
Type:SN II
See object 2023uln [ATLAS23twh]
This report includes the classifications of 3 Type Ia, 1 Type Ia-91T, 3 Type II supernovae and 1 unclassified event. The SN2023xcb has an usual Ha P-Cygni profile. The lightcurve appears to show an...
AstroNote 2023-278
Type: Object/s-Discovery/Classification
Released: 2023-10-25 13:40:38
Classification of AT2023ufx as a likely SN II at z~0.01
M. Pursiainen (Warwick), S. Srivastav, S. J. Smartt (Oxford/QUB), C.R. Angus, M. Fulton, M. Nicholl, K. W. Smith, D. ...
Keywords: Supernova, Spectroscopy
Related Objects:
2023ufx
RA, DEC:08:24:51.568, +21:17:43.15
(126.214866, 21.295320)
Redshift:0.01
Type:SN II
See object 2023ufx
Related Notes:
2023-268
AstroNote 2023-2682023-10-12 14:38:59
Title: ATLAS discovery of the candidate fast blue optical transient AT2023ufx
Authors: S. Srivastav, S. J. Smartt (Oxford/QUB), K. W. Smith, D. ...
Source Group: ATLAS
,
2023-269
AstroNote 2023-2692023-10-12 17:32:41
Title: Early Spectrum of the FBOT Candidate 2023ufx from SCAT
Authors: M. A. Tucker (CCAPP/OSU) on behalf of the SCAT team
Source Group: SCAT
We report the classification of the transient AT2023ufx as a likely type II supernova at z~0.01
AstroNote 2023-277
Type: Object/s-Discovery/Classification
Released: 2023-10-24 18:20:43
NOT spectroscopic observations of optical transients
H. Kankaanpää, M. Kaseva, K. Kelder, A. P. Nitindala, M. Ojanperä, P. Charalampopoulos, C. Humina, T. Kangas, K. Mati...
Keywords: Transient, Supernova
Related Objects:
2023vpd
RA, DEC:22:40:12.907, +19:30:24.54
(340.053781, 19.506816)
Redshift:0.034
Type:SN Ia
See object 2023vpd
,
2023vof
RA, DEC:01:39:36.348, +29:36:09.77
(24.901451, 29.602713)
Redshift:0.078
Type:SN Ia
See object 2023vof
We report the classification of two optical transients (two type Ia SNe).
AstroNote 2023-276
Type: Object/s-Discovery/Classification
Released: 2023-10-24 14:12:06
ePESSTO+ spectroscopic classification of optical transients
T. Pessi (UDP), B. Warwick, A. Kumar, A. Sahu, D. O’Neill, D. Coppejans, J. Lyman, K. Ackley, M. Magee, M. Pursiaine...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023qhe [ATLAS23rns]
RA, DEC:02:14:15.820, -32:03:10.01
(33.565917, -32.052781)
Redshift:0.0117
Type:SN Ia
See object 2023qhe [ATLAS23rns]
,
2023uvx [ATLAS23ude]
RA, DEC:05:00:19.632, -18:51:09.37
(75.081799, -18.852603)
Redshift:0.061
Type:SN Ia
See object 2023uvx [ATLAS23ude]
,
2023vio [ATLAS23ujo]
RA, DEC:04:27:33.594, -42:09:38.64
(66.889977, -42.160733)
Redshift:0.0156
Type:SN Iax[02cx-like]
See object 2023vio [ATLAS23ujo]
This report includes classifications of 2 Type Ia's and 1 Type Ia-x.
AstroNote 2023-275
Type: Object/s-Discovery/Classification
Released: 2023-10-21 01:01:42
Discovery of 7 Transients (z_host = 0.6461 - 4.89) in the JADES GOODS-S JWST/NIRCam Images from Cycle 2 Program 3215
Christa DeCoursey (University of Arizona), Fengwu Sun (University of Arizona), Eiichi Egami (University of Arizona), ...
Source Group: JADES
Keywords: Time-domain, Transient, Supernova
Related Objects:
2023vnw [jades-gs-3215a]
RA, DEC:03:32:15.166, -27:51:26.92
(53.063191, -27.857477)
Redshift:
Type:
See object 2023vnw [jades-gs-3215a]
,
2023vnx [jades-gs-3215b]
RA, DEC:03:32:22.751, -27:51:55.58
(53.094795, -27.865438)
Redshift:
Type:
See object 2023vnx [jades-gs-3215b]
,
2023vny [jades-gs-3215c]
RA, DEC:03:32:22.490, -27:51:00.13
(53.093710, -27.850036)
Redshift:
Type:
See object 2023vny [jades-gs-3215c]
,
2023vnz [jades-gs-3215d]
RA, DEC:03:32:18.789, -27:51:30.70
(53.078288, -27.858528)
Redshift:
Type:
See object 2023vnz [jades-gs-3215d]
,
2023voa [jades-gs-3215e]
RA, DEC:03:32:14.467, -27:51:27.13
(53.060281, -27.857536)
Redshift:
Type:
See object 2023voa [jades-gs-3215e]
,
2023vob [jades-gs-3215f]
RA, DEC:03:32:23.295, -27:51:01.84
(53.097064, -27.850511)
Redshift:
Type:
See object 2023vob [jades-gs-3215f]
,
2023voc
RA, DEC:03:32:19.143, -27:52:14.51
(53.079763, -27.870696)
Redshift:
Type:
See object 2023voc
We report the discovery of 7 supernova sources likely at redshifts z = 0.6461-4.89 down to ~29.5 AB mag, each discovered in the GOODS-South (GOODS-S) field using JWST/NIRCam imaging data obtained b...
AstroNote 2023-274
Type: Object/s-Discovery/Classification
Released: 2023-10-20 07:57:46
SN2023rgo is a background superluminous supernova coincident with UGC 03416
Ragnhild Lunnan (OKC), Kaustav Das, Sam Rose, Mansi Kasliwal, Lin Yan (Caltech), Jesper Sollerman, Steve Schulze, Joe...
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2023rgo [ZTF23abawhql]
RA, DEC:06:13:40.222, +69:43:38.89
(93.417591, 69.727469)
Redshift:0.226
Type:SLSN-I
See object 2023rgo [ZTF23abawhql]
We report spectroscopic classification of SN2023rgo, a transient located 6.7 arcseconds from the center of UGC 03416. The spectrum reveals that SN2023rgo is in fact a background SLSN-I at a redshif...
AstroNote 2023-273
Type: Object/s-Discovery/Classification
Released: 2023-10-19 18:59:37
ZTF23abgcesw/AT2023ugy: a Tidal Disruption Event at z=0.106
Yuhan Yao, Raffaella Margutti (UC Berkeley), Yujing Qin (Caltech)
Source Group: ZTF
Keywords: TDE, Optical
Related Objects:
2023ugy
RA, DEC:21:40:44.020, +21:00:58.57
(325.183417, 21.016269)
Redshift:0.106
Type:TDE
See object 2023ugy
We report the classification of the optical transient ZTF23abgcesw/AT2023ugy as a tidal disruption event (TDE) at z=0.106.
AstroNote 2023-272
Type: Object/s-Discovery/Classification
Released: 2023-10-19 12:08:40
ATLAS23ujo (AT2023vio): discovery of a candidate supernova in NGC1585 (68 Mpc)
X. Sheng, K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, A. Aamer, C. Angus, M. McCollum, T. Moore, J...
Source Group: ATLAS
Keywords: Supernova
Here we report the ATLAS discovery of the transient ATLAS23ujo (AT2023vio) in galaxy NGC1585 at magnitude m_o = 19.05 +/- 0.14. At a distance of 68 Mpc, the transient was discovered on MJD = 6023...
AstroNote 2023-270
Type: Object/s-Discovery/Classification
Released: 2023-10-13 21:39:59
ATLAS23uai (AT2023usp): discovery of a candidate SN in NGC 2848 (15 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. McCollum, T. Moore, J. Weston, X. Sheng, P. Ramsden...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023usp [ATLAS23uai]
RA, DEC:09:20:08.940, -16:31:25.25
(140.037250, -16.523681)
Redshift:0.006791
Type:SN II
See object 2023usp [ATLAS23uai]
Here we report the ATLAS discovery of the transient ATLAS23uai (AT2023usp) in galaxy NGC 2848 at magnitude m_o = 18.26 +/- 0.11. At a distance of 15 Mpc (redshift independent, from NED), the trans...
AstroNote 2023-269
Type: Object/s-Discovery/Classification
Released: 2023-10-12 17:32:41
Early Spectrum of the FBOT Candidate 2023ufx from SCAT
M. A. Tucker (CCAPP/OSU) on behalf of the SCAT team
Source Group: SCAT
Keywords: Spectroscopy, Supernova
Related Objects:
2023ufx [ATLAS23tsa]
RA, DEC:08:24:51.568, +21:17:43.15
(126.214866, 21.295320)
Redshift:0.01
Type:SN II
See object 2023ufx [ATLAS23tsa]
Related Notes:
2023-268
AstroNote 2023-2682023-10-12 14:38:59
Title: ATLAS discovery of the candidate fast blue optical transient AT2023ufx
Authors: S. Srivastav, S. J. Smartt (Oxford/QUB), K. W. Smith, D. ...
Source Group: ATLAS
We obtained a classification spectrum of the FBOT candidate AT2023ufx on 2023-10-09T14:17:46 showing a steep featureless blue continuum.
AstroNote 2023-268
Type: Object/s-Discovery/Classification
Released: 2023-10-12 15:59:11
ATLAS discovery of the candidate fast blue optical transient AT2023ufx
S. Srivastav, S. J. Smartt (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. W...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023ufx [ATLAS23tsa]
RA, DEC:08:24:51.568, +21:17:43.15
(126.214866, 21.295320)
Redshift:0.01
Type:SN II
See object 2023ufx [ATLAS23tsa]
We report the ATLAS discovery of AT2023ufx (ATLAS23tsa). It is currently at a magnitude of o=15.91 and is offset from a likely host galaxy with an SDSS DR15 photometric redshift of z ~ 0.04. If th...
AstroNote 2023-267
Type: Object/s-Discovery/Classification
Released: 2023-10-12 15:38:00
CAHA 2.2/CAFOS Classification of AT 2023uhx as a likely Luminous Red Nova in NGC 3893
Nadejda Blagorodnova (UB), Maxime Wavasseur(UB), Hugo Tranin(UB), Grace Katusiime (UB), David Jones (IAC), Viraj R. K...
Keywords: Time-domain, Spectroscopy, Transient, Binary
Related Objects:
2023uhx
RA, DEC:11:48:39.508, +48:41:31.07
(177.164616, 48.691964)
Redshift:0.003226
Type:LRN
See object 2023uhx
We report the classification of the transient AT 2023uhx, recently discovered by K. Itagaki in NGC 3893 as a young Luminous Red Nova based on its peak luminosity, and narrow Balmer and Fe II emissi...
AstroNote 2023-263
Type: Object/s-Discovery/Classification
Released: 2023-10-05 23:09:04
ATLAS23tmd (AT2023txw): discovery of a candidate SN in IC 4761 (71 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023txw [ATLAS23tmd]
RA, DEC:18:43:55.100, -52:51:58.56
(280.979585, -52.866267)
Redshift:0.083
Type:SN Ia
See object 2023txw [ATLAS23tmd]
Here we report the ATLAS discovery of the transient ATLAS23tmd (AT2023txw) in galaxy IC 4761 at magnitude m_o = 18.95 +/- 0.15. At a distance of 71 Mpc, the transient was discovered on MJD = 60219...
AstroNote 2023-262
Type: Object/s-Discovery/Classification
Released: 2023-10-05 23:08:38
ATLAS23tmc (AT2023txv): discovery of a candidate SN in NGC 2305 (48 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023txv [ATLAS23tmc]
RA, DEC:06:48:37.140, -64:16:51.96
(102.154750, -64.281100)
Redshift:0.012
Type:SN Ia
See object 2023txv [ATLAS23tmc]
Here we report the ATLAS discovery of the transient ATLAS23tmc (AT2023txv) in galaxy NGC 2305 at magnitude m_o = 17.41 +/- 0.06. At a distance of 48 Mpc (redshift independent, from NED), the trans...
AstroNote 2023-261
Type: Object/s-Discovery/Classification
Released: 2023-10-05 14:37:02
ePESSTO+ spectroscopic classification of optical transients
M. Ramirez, B. Ayala, R. Dastidar (UNAB), A. Reguitti (INAF-OAB), S. Benetti (INAF-OAPd), S. Barmentloo (OKC), X. She...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023rnl [ATLAS23say]
RA, DEC:04:08:37.781, -18:57:08.41
(62.157422, -18.952336)
Redshift:0.03
Type:SN IIP
See object 2023rnl [ATLAS23say]
,
2023rui [ZTF23abbcdlp]
RA, DEC:20:31:12.650, +01:25:24.74
(307.802708, 1.423539)
Redshift:0.05
Type:SN Ia
See object 2023rui [ZTF23abbcdlp]
,
2023slq [ATLAS23smr]
RA, DEC:15:48:24.210, -23:36:33.91
(237.100875, -23.609419)
Redshift:0.025
Type:SN IIP
See object 2023slq [ATLAS23smr]
,
2023sze [ATLAS23sti]
RA, DEC:20:02:59.778, +15:22:35.93
(300.749077, 15.376647)
Redshift:0
Type:CV
See object 2023sze [ATLAS23sti]
,
2023szq [ATLAS23stp]
RA, DEC:01:18:01.550, -65:56:49.27
(19.506458, -65.947019)
Redshift:0
Type:CV
See object 2023szq [ATLAS23stp]
,
2023taj [ATLAS23tgp]
RA, DEC:20:34:27.380, +02:33:23.04
(308.614083, 2.556400)
Redshift:0.05
Type:SN Ia
See object 2023taj [ATLAS23tgp]
,
2023tha [ATLAS23svt]
RA, DEC:20:22:50.540, -37:54:09.14
(305.710583, -37.902539)
Redshift:0.06
Type:SN Ia
See object 2023tha [ATLAS23svt]
,
2023thy [ATLAS23tjx]
RA, DEC:23:32:49.477, -22:26:03.46
(353.206154, -22.434293)
Redshift:0.085
Type:SN Ia
See object 2023thy [ATLAS23tjx]
,
2023tlt [ATLAS23tas]
RA, DEC:07:04:56.284, -48:27:47.53
(106.234517, -48.463202)
Redshift:0.058
Type:SN Ia-91T-like
See object 2023tlt [ATLAS23tas]
,
2023tqv [ATLAS23tep]
RA, DEC:04:03:03.767, +07:18:36.41
(60.765698, 7.310113)
Redshift:0.02
Type:SN II
See object 2023tqv [ATLAS23tep]
,
2023tta [ATLAS23tgt]
RA, DEC:18:54:43.083, -27:25:06.23
(283.679513, -27.418397)
Redshift:0
Type:CV
See object 2023tta [ATLAS23tgt]
,
2023tuq [Gaia23cqz]
RA, DEC:19:23:27.030, +24:37:33.06
(290.862625, 24.625850)
Redshift:0
Type:CV
See object 2023tuq [Gaia23cqz]
,
2023txg [ATLAS23tlj]
RA, DEC:17:33:27.182, -55:02:18.47
(263.363259, -55.038464)
Redshift:0.06
Type:SN Ia
See object 2023txg [ATLAS23tlj]
,
2023txv [ATLAS23tmc]
RA, DEC:06:48:37.140, -64:16:51.96
(102.154750, -64.281100)
Redshift:0.012
Type:SN Ia
See object 2023txv [ATLAS23tmc]
,
2023txw [ATLAS23tmd]
RA, DEC:18:43:55.100, -52:51:58.56
(280.979585, -52.866267)
Redshift:0.083
Type:SN Ia
See object 2023txw [ATLAS23tmd]
,
2023rnm [ATLAS23saz]
RA, DEC:02:55:56.260, -18:37:11.71
(43.984417, -18.619919)
Redshift:0.02
Type:SN IIP
See object 2023rnm [ATLAS23saz]
,
2023sml [ATLAS23soj]
RA, DEC:02:53:42.570, -37:40:16.68
(43.427375, -37.671300)
Redshift:0
Type:Nova
See object 2023sml [ATLAS23soj]
,
2023sps [ZTF23abctedl]
RA, DEC:23:44:15.210, -23:31:44.90
(356.063376, -23.529140)
Redshift:0.049
Type:SN Ia-91bg-like
See object 2023sps [ZTF23abctedl]
,
2023tnb [ZTF23abgjggv]
RA, DEC:01:12:51.684, -23:49:17.10
(18.215348, -23.821418)
Redshift:0.063
Type:SN Ia
See object 2023tnb [ZTF23abgjggv]
,
2023tus [ATLAS23tiv]
RA, DEC:06:06:11.180, -31:11:45.89
(91.546583, -31.196081)
Redshift:0.046
Type:SN Ic
See object 2023tus [ATLAS23tiv]
,
2023tuu [Gaia23crg]
RA, DEC:03:40:21.540, -58:49:08.26
(55.089750, -58.818961)
Redshift:0.05
Type:SN Ia
See object 2023tuu [Gaia23crg]
,
2023tyl [ZTF23abhublj]
RA, DEC:01:45:21.619, +19:30:41.84
(26.340077, 19.511621)
Redshift:0.069
Type:SN Ia
See object 2023tyl [ZTF23abhublj]
,
2023txm [ATLAS23tlz]
RA, DEC:00:59:21.740, -48:02:57.16
(14.840582, -48.049212)
Redshift:0.07
Type:SN Ia
See object 2023txm [ATLAS23tlz]
This report includes classifications of 23 transients: 3 SNe IIP, 13 SN Ia (of which 1 91T-like and 1 91bg-like), 1 SN Ic, 1 SN II, 1 blue featureless continuum, 2 CV, 1 unclassifiable continuum an...
AstroNote 2023-260
Type: Object/s-Discovery/Classification
Released: 2023-10-04 16:20:48
ePESSTO+ spectroscopic classification of optical transients
B. Ayala, M. Ramirez, R. Dastidar (UNAB), A. Reguitti (INAF-OAB), S. Benetti (INAF-OAPd), S. Barmentloo (OKC), X. Sh...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023rkg [ZTF23aawzdxd]
RA, DEC:21:49:34.360, -22:07:18.26
(327.393167, -22.121739)
Redshift:0.007
Type:SN Ib
See object 2023rkg [ZTF23aawzdxd]
,
2023swf [ZTF23aberpzw]
RA, DEC:21:05:58.530, -14:50:30.34
(316.493875, -14.841761)
Redshift:0.024
Type:SN II
See object 2023swf [ZTF23aberpzw]
,
2023sym [ZTF23abffvrm]
RA, DEC:17:57:32.730, +13:26:09.53
(269.386375, 13.435981)
Redshift:0.044
Type:SN Ia-91T-like
See object 2023sym [ZTF23abffvrm]
,
2023tfk [ATLAS23suu]
RA, DEC:22:31:00.317, -55:33:04.28
(337.751320, -55.551190)
Redshift:0.11
Type:SN Ic
See object 2023tfk [ATLAS23suu]
,
2023tng [ZTF23abgfxqn]
RA, DEC:22:25:31.984, +10:40:18.47
(336.383267, 10.671797)
Redshift:0.043
Type:SN Ia
See object 2023tng [ZTF23abgfxqn]
,
2023tnh [ZTF23abgfwhj]
RA, DEC:20:51:34.867, -03:29:12.25
(312.895279, -3.486737)
Redshift:0.056
Type:SN Ia
See object 2023tnh [ZTF23abgfwhj]
,
2023tsq [ZTF23abfubfc]
RA, DEC:23:12:24.189, +17:42:41.52
(348.100788, 17.711534)
Redshift:0.082
Type:SN Ia
See object 2023tsq [ZTF23abfubfc]
,
2023tts [ATLAS23tho]
RA, DEC:08:29:21.932, +11:45:27.96
(127.341382, 11.757768)
Redshift:0.095
Type:SN II
See object 2023tts [ATLAS23tho]
,
2023tvj [ATLAS23tje]
RA, DEC:06:08:57.120, -21:31:20.06
(92.238000, -21.522239)
Redshift:0.04
Type:SN II
See object 2023tvj [ATLAS23tje]
,
2023tvp [ATLAS23tjm]
RA, DEC:20:11:25.330, -38:12:00.18
(302.855542, -38.200050)
Redshift:0.019
Type:SN IIb
See object 2023tvp [ATLAS23tjm]
,
ZTF20abodaps
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF20abodaps
This report includes classifications of 2 Type II SNe, 1 blue continuum possibly a SN Ib, 1 SN Ia 91T-like, 1 SN Ib/c, 3 normal SNe Ia, 1 blue continuum, 1 SN IIb and a nuclear flare at z=0.61.
AstroNote 2023-259
Type: Object/s-Discovery/Classification
Released: 2023-10-03 15:38:35
ATLAS23tma (AT2023txu): discovery of a candidate SN in NGC 6676 (94 Mpc)
S. Srivastav (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, C. R. Angus, M. Fulton, M. McCollum, T. Moore, J. We...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023txu [ATLAS23tma]
RA, DEC:18:33:11.520, +66:57:29.74
(278.298000, 66.958261)
Redshift:0.023
Type:SN Ia
See object 2023txu [ATLAS23tma]
Here we report the ATLAS discovery of the transient ATLAS23tma (AT2023txu) in galaxy NGC 6676 at magnitude m_o = 18.96 +/- 0.19. At a distance of 94 Mpc, the transient was discovered on MJD = 6022...
AstroNote 2023-258
Type: Object/s-Discovery/Classification
Released: 2023-10-01 23:23:35
ATLAS23tjm (AT2023tvp): discovery of a candidate SN in ESO 339- G 036 (64 Mpc)
S. Srivastav, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023tvp [ATLAS23tjm]
RA, DEC:20:11:25.330, -38:12:00.18
(302.855542, -38.200050)
Redshift:0.019
Type:SN IIb
See object 2023tvp [ATLAS23tjm]
Here we report the ATLAS discovery of the transient ATLAS23tjm (AT2023tvp) in galaxy ESO 339- G 036 at magnitude m_o = 18.28 +/- 0.10. At a distance of 64 Mpc, the transient was discovered on MJD =...
AstroNote 2023-256
Type: Object/s-Discovery/Classification
Released: 2023-09-25 21:05:04
ATLAS23teb (AT2023tpl): discovery of a nuclear transient in MCG+09-12-038 (72 Mpc)
S. Srivastav, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023tpl [ATLAS23teb]
RA, DEC:07:08:41.694, +54:46:35.20
(107.173724, 54.776445)
Redshift:0.017
Type:SN II
See object 2023tpl [ATLAS23teb]
Here we report the ATLAS discovery of the nuclear transient ATLAS23teb (AT2023tpl) in galaxy MCG+09-12-038 at magnitude m_c = 17.69 +/- 0.05. At a distance of 72 Mpc, the transient was discovered o...
AstroNote 2023-255
Type: Object/s-Discovery/Classification
Released: 2023-09-24 08:35:40
GIT discovery of an optical transient in M31
R. Kumar (IITB), V. Swain (IITB), J. Basu (IIA), R. Sharma (IITB), S. Barway (IIA), G.C. Anupama (IIA), V. Bhalerao (...
Keywords: Time-domain, Optical, Transient
Related Objects:
2023tkw [GIT230919aa]
RA, DEC:00:41:24.169, +41:08:05.26
(10.350704, 41.134794)
Redshift:
Type:
See object 2023tkw [GIT230919aa]
We report the identification of an optical red transient situated at a distance of 3.86 kiloparsecs from the center of Messier 31.
AstroNote 2023-253
Type: Object/s-Discovery/Classification
Released: 2023-09-20 12:37:28
ZTF superluminous supernova candidates
Priscila Pessi (OKC), Lin Yan (Caltech), Ting-Wan Chen (NCUIA), Daniel A. Perley, Jacob Wise (LJMU), Ragnhild Lunnan,...
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2023snf [ZTF23aaxtqig]
RA, DEC:23:49:11.148, -01:20:27.08
(357.296449, -1.340857)
Redshift:
Type:
See object 2023snf [ZTF23aaxtqig]
,
2023rkg [ZTF23aawzdxd]
RA, DEC:21:49:34.360, -22:07:18.26
(327.393167, -22.121739)
Redshift:0.007
Type:SN Ib
See object 2023rkg [ZTF23aawzdxd]
,
2023pbn [ZTF23aawsfec]
RA, DEC:07:21:36.271, +41:36:13.32
(110.401130, 41.603700)
Redshift:
Type:
See object 2023pbn [ZTF23aawsfec]
,
2023szi [ZTF23aaznlgb]
RA, DEC:22:19:56.013, +25:54:56.12
(334.983389, 25.915589)
Redshift:0.5063
Type:SLSN-I
See object 2023szi [ZTF23aaznlgb]
,
2023szj [ZTF23aajnfna]
RA, DEC:14:46:28.160, +08:41:36.72
(221.617333, 8.693533)
Redshift:
Type:
See object 2023szj [ZTF23aajnfna]
,
2023qvl [ZTF23aawhcjb]
RA, DEC:15:50:08.295, +53:39:37.04
(237.534562, 53.660289)
Redshift:0.4365
Type:SLSN-I
See object 2023qvl [ZTF23aawhcjb]
,
2023saf [ZTF23aavlyvc]
RA, DEC:23:59:35.380, -06:22:36.36
(359.897416, -6.376767)
Redshift:
Type:
See object 2023saf [ZTF23aavlyvc]
,
2023prp [ZTF23aavvsfy]
RA, DEC:16:31:48.172, +51:57:28.23
(247.950716, 51.957843)
Redshift:
Type:
See object 2023prp [ZTF23aavvsfy]
We report 8 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 40 days and a typical peak r-band magnitude i...
AstroNote 2023-252
Type: Object/s-Discovery/Classification
Released: 2023-09-19 13:21:33
ePESSTO+ spectroscopic classification of optical transients
B. Fitzpatrick, R. Byrne, M. Fraser (Univ. College Dublin), S. Benetti (INAF-OAPd), S. Srivastav (QUB), C. Gutiérrez ...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023rgb [ATLAS23ryz]
RA, DEC:17:48:26.078, +17:27:42.40
(267.108658, 17.461778)
Redshift:0.04
Type:SN Ia
See object 2023rgb [ATLAS23ryz]
,
2023rfn [ATLAS23ryc]
RA, DEC:18:11:56.577, +24:02:43.52
(272.985736, 24.045423)
Redshift:0.0215
Type:SN II
See object 2023rfn [ATLAS23ryc]
This report includes classifications of one Type Ia and one Type II SNe. We note that SN 2023rfn shows a relatively rapid decline over 10 days from maximum light of 1.1 mag in g and 0.6 mag in r-band.
AstroNote 2023-250
Type: Object/s-Discovery/Classification
Released: 2023-09-18 16:22:16
AT2023mfm: a Tidal Disruption Event at z=0.087
Ryan Chornock, Yuhan Yao, Natalie LeBaron (UC Berkeley), Huei Sears (Northwestern), Matt Nicholl (QUB), Evan Ridley (...
Keywords: TDE, Time-domain, Optical, Ultra-Violet
Related Objects:
2023mfm [ZTF23aapyidj]
RA, DEC:21:37:27.961, -04:20:43.16
(324.366505, -4.345322)
Redshift:0.087
Type:TDE
See object 2023mfm [ZTF23aapyidj]
We report the classification of the optical transient ZTF23aapyidj/AT2023mfm as a tidal disruption event (TDE) at z=0.087.
AstroNote 2023-249
Type: Object/s-Discovery/Classification
Released: 2023-09-18 11:12:43
ePESSTO+ spectroscopic classification of optical transients
B. Fitzpatrick, R. Byrne, M. Fraser (Univ. College Dublin), T. Moore (QUB), C. Gutiérrez (IEEC/ICE-CSIC), S. Srivasta...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023snj [ATLAS23spm]
RA, DEC:01:28:14.230, -56:29:36.20
(22.059292, -56.493389)
Redshift:0.05
Type:SN Ia
See object 2023snj [ATLAS23spm]
This report includes classification of one Type Ia SN
AstroNote 2023-248
Type: Object/s-Discovery/Classification
Released: 2023-09-17 18:55:22
ePESSTO+ spectroscopic classification of optical transients
R. Byrne, B. Fitzpatrick, M. Fraser (Univ. College Dublin), C. Gutiérrez (IEEC/ICE-CSIC), T. Moore (QUB), S. Srivasta...
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023sia [PS23iam]
RA, DEC:03:06:42.690, -11:09:54.04
(46.677875, -11.165011)
Redshift:0.032
Type:SN II
See object 2023sia [PS23iam]
,
2023rhj [ZTF23abavosd]
RA, DEC:01:00:49.384, +16:53:17.71
(15.205767, 16.888252)
Redshift:0.04
Type:SN II
See object 2023rhj [ZTF23abavosd]
,
2023rwk [ZTF23abccwvo]
RA, DEC:01:32:03.828, -23:52:24.46
(23.015951, -23.873461)
Redshift:0.08
Type:SN II
See object 2023rwk [ZTF23abccwvo]
,
2023rty [PS23hrz]
RA, DEC:00:50:50.957, -24:44:31.74
(12.712321, -24.742150)
Redshift:0.043
Type:SN II
See object 2023rty [PS23hrz]
,
2023shg [ATLAS23ski]
RA, DEC:02:49:04.429, -31:10:13.35
(42.268455, -31.170375)
Redshift:0.018
Type:SN IIb
See object 2023shg [ATLAS23ski]
,
2023sjl [PS23icn]
RA, DEC:00:43:01.746, -19:55:57.04
(10.757275, -19.932512)
Redshift:0.1
Type:SN Ia
See object 2023sjl [PS23icn]
,
2023rqu [ZTF23abbkvxe]
RA, DEC:04:22:48.170, -07:32:04.96
(65.700708, -7.534711)
Redshift:0.08
Type:SN Ia
See object 2023rqu [ZTF23abbkvxe]
,
2023rff [ATLAS23rxv]
RA, DEC:04:12:24.490, -64:00:40.86
(63.102042, -64.011350)
Redshift:0.02
Type:SN Ia
See object 2023rff [ATLAS23rxv]
,
2023sho [ATLAS23skx]
RA, DEC:05:03:10.633, -23:14:56.90
(75.794304, -23.249140)
Redshift:0.04
Type:SN Ia
See object 2023sho [ATLAS23skx]
,
2023slz [ATLAS23snh]
RA, DEC:23:55:53.793, -34:33:14.67
(358.974139, -34.554075)
Redshift:0.06
Type:SN Ia-91T-like
See object 2023slz [ATLAS23snh]
,
2023snl [ATLAS23spo]
RA, DEC:23:32:26.744, -69:13:43.60
(353.111433, -69.228778)
Redshift:0.07
Type:SN Ia
See object 2023snl [ATLAS23spo]
,
2023siv [ATLAS23sln]
RA, DEC:23:39:22.207, +28:07:35.21
(354.842530, 28.126447)
Redshift:0.05
Type:SN Ia
See object 2023siv [ATLAS23sln]
,
2023rug [ZTF23abbbhak]
RA, DEC:21:20:54.229, -13:47:23.14
(320.225953, -13.789762)
Redshift:0.081326
Type:SN Ia
See object 2023rug [ZTF23abbbhak]
,
2023ryf [PS23huk]
RA, DEC:22:35:43.752, -08:13:46.29
(338.932301, -8.229524)
Redshift:0.05
Type:SN Ia
See object 2023ryf [PS23huk]
,
2023suz
RA, DEC:22:39:11.035, -05:00:10.62
(339.795978, -5.002949)
Redshift:0.1
Type:SN Ia
See object 2023suz
,
2023rnp [ATLAS23sbg]
RA, DEC:00:00:39.422, -15:58:59.85
(0.164260, -15.983290)
Redshift:0.1
Type:SN Ia
See object 2023rnp [ATLAS23sbg]
,
2023slw [ATLAS23snb]
RA, DEC:19:32:18.854, -53:35:15.37
(293.078557, -53.587603)
Redshift:0.05
Type:SN Ia
See object 2023slw [ATLAS23snb]
This report includes classifications of 12 Type Ia's, 4 Type II's and a Type IIb. A transient was seen at the position of SN2023suz in 2019 (AT2019sqq), however this is probably unrelated to the Ty...
AstroNote 2023-247
Type: Object/s-Discovery/Classification
Released: 2023-09-15 10:41:11
Pre-Discovery Images of SN 2023rve on 06 September 2023 12:56:47 UTC
Ernesto Guido, Marco Rocchetto (TELESCOPE LIVE)
Keywords: Supernova, Transient, Photometry, Time-domain
Related Objects:
2023rve
RA, DEC:02:46:18.130, -30:14:22.16
(41.575542, -30.239489)
Redshift:0.004
Type:SN II
See object 2023rve
We present "TELESCOPE LIVE" observations of SN 2023rve before discovery
AstroNote 2023-243
Type: Object/s-Discovery/Classification
Released: 2023-09-04 12:23:32
ATLAS23rxv (AT2023rff): discovery of a candidate SN in WISEA J041224.20-640046.2 (79 Mpc)
S. Srivastav, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023rff [ATLAS23rxv]
RA, DEC:04:12:24.490, -64:00:40.86
(63.102042, -64.011350)
Redshift:0.02
Type:SN Ia
See object 2023rff [ATLAS23rxv]
Here we report the ATLAS discovery of the transient ATLAS23rxv (AT2023rff) in galaxy WISEA J041224.20-640046.2 at magnitude o = 17.93 +/- 0.16. At a distance of 79 Mpc, the transient was discovered...
AstroNote 2023-242
Type: Object/s-Discovery/Classification
Released: 2023-09-03 14:06:24
ATLAS23rxg (AT2023ref): discovery of a candidate SN in CGCG 530-014 (59 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023ref [ATLAS23rxg]
RA, DEC:22:10:30.639, +40:53:37.53
(332.627661, 40.893758)
Redshift:0.015194
Type:SN Ic
See object 2023ref [ATLAS23rxg]
Here we report the ATLAS discovery of the transient ATLAS23rxg (AT2023ref) in galaxy CGCG 530-014 at magnitude m_o = 17.74 +/- 0.09. At a distance of 59 Mpc, the transient was discovered on MJD = ...
AstroNote 2023-241
Type: Object/s-Discovery/Classification
Released: 2023-08-30 21:33:08
ATLAS23ruf (AT2023rai): discovery of a candidate SN in ESO 552-G038 (99 Mpc)
M. Nicholl, K. W. Smith, S. Srivastav, D. R. Young, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023rai [ATLAS23ruf]
RA, DEC:04:58:41.344, -19:35:24.37
(74.672266, -19.590102)
Redshift:0.022629
Type:SN II
See object 2023rai [ATLAS23ruf]
Here we report the ATLAS discovery of the transient ATLAS23ruf (AT2023rai) in galaxy ESO 552-G038 at magnitude m_o = 18.04 +/- 0.11. At a distance of 99 Mpc, the transient was discovered on MJD = ...
AstroNote 2023-240
Type: Object/s-Discovery/Classification
Released: 2023-08-28 23:57:51
ATLAS23rtj (AT2023qzg): discovery of a candidate SN in UGC 08927 (88 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023qzg [ATLAS23rtj]
RA, DEC:14:01:10.110, +07:28:55.96
(210.292125, 7.482211)
Redshift:
Type:
See object 2023qzg [ATLAS23rtj]
Here we report the ATLAS discovery of the transient ATLAS23rtj (AT2023qzg) in galaxy UGC 08927 at magnitude m_o = 17.50 +/- 0.13. At a distance of 88 Mpc (redshift independent, from NED), the tran...
AstroNote 2023-236
Type: Object/s-Discovery/Classification
Released: 2023-08-23 15:50:12
ATLAS23rod (AT2023qov): discovery of a candidate SN in NGC 7029 (38 Mpc)
A. Aamer (QUB/Birmingham), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. W...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023qov [ATLAS23rod]
RA, DEC:21:12:02.040, -49:15:18.14
(318.008500, -49.255039)
Redshift:0.02
Type:SN Ia
See object 2023qov [ATLAS23rod]
Here we report the ATLAS discovery of the transient ATLAS23rod (AT2023qov) in galaxy NGC 7029 at magnitude m_c = 17.51 +/- 0.04, with a large offset from the host. At a distance of 38 Mpc, the tra...
AstroNote 2023-234
Type: Object/s-Discovery/Classification
Released: 2023-08-19 15:11:57
ATLAS23rjz (AT2023pwl): discovery of a candidate SN in NGC 7124 (69 Mpc)
J. Sommer (LMU/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston,...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023pwl [ATLAS23rjz]
RA, DEC:21:48:06.070, -50:33:49.18
(327.025292, -50.563661)
Redshift:0.017251
Type:SN Ia
See object 2023pwl [ATLAS23rjz]
Here we report the ATLAS discovery of the transient ATLAS23rjz (AT2023pwl) in galaxy NGC 7124 at magnitude m_o = 17.50 +/- 0.06. At a distance of 69 Mpc, the transient was discovered on MJD = 6017...
AstroNote 2023-233
Type: Object/s-Discovery/Classification
Released: 2023-08-18 15:02:02
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, B. Warwick, D. O'Neill, M. Pursiainen, A. Kumar, J. Lyman, T. Killestein, M. Magee, D. Coppejans, G. ...
Source Group: GOTO
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023psp [GOTO23adr]
RA, DEC:19:40:29.346, +58:24:11.00
(295.122273, 58.403055)
Redshift:0.087
Type:SN Ia
See object 2023psp [GOTO23adr]
,
2023pso [GOTO23ur]
RA, DEC:23:36:14.333, +02:09:17.11
(354.059721, 2.154752)
Redshift:0.00933
Type:SN Ib
See object 2023pso [GOTO23ur]
,
2023mtp [ZTF23aalftvv]
RA, DEC:17:14:08.556, +81:04:29.41
(258.535650, 81.074837)
Redshift:0.034
Type:SN II
See object 2023mtp [ZTF23aalftvv]
Related Notes:
2023-225
AstroNote 2023-2252023-08-14 18:05:19
Title: Pre-rise activity in the candidate supernova AT 2023mtp (ZTF23aalftvv, ATLAS23qbj)
Authors: I. Pérez-Fournon and F. Poidevin (IAC and ULL)
Source Group: SGLF
This report includes classifications of 1 Type Ia and 1 Type Ib SNe, and 1 unclassified event.
AstroNote 2023-231
Type: Object/s-Discovery/Classification
Released: 2023-08-17 15:46:35
GOTO-FAST spectroscopic classifications of optical transients
D. O'Neill, B. Warwick, B. Godson, M. Pursiainen, A. Kumar, J. Lyman, H. Kuncarayakti, T. Killestein, D. Coppeja...
Source Group: GOTO
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023meo [ZTF23aapsuva]
RA, DEC:21:40:59.116, +24:00:26.29
(325.246315, 24.007302)
Redshift:0.095
Type:SN IIn
See object 2023meo [ZTF23aapsuva]
,
2023ozl [ATLAS23qpp]
RA, DEC:22:44:12.562, +10:36:58.78
(341.052343, 10.616329)
Redshift:0.06
Type:SN Ia
See object 2023ozl [ATLAS23qpp]
,
2023pjx [ATLAS23rce]
RA, DEC:01:31:25.590, +12:24:31.21
(22.856625, 12.408669)
Redshift:0.07
Type:SN Ia
See object 2023pjx [ATLAS23rce]
,
2023pnt [GOTO23aaz]
RA, DEC:00:01:57.485, +09:53:19.55
(0.489520, 9.888763)
Redshift:0.033603
Type:SN IIP
See object 2023pnt [GOTO23aaz]
This report includes classifications of 2 Type Ia's, 1 Type II and 1 Type IIn SNe.
AstroNote 2023-229
Type: Object/s-Discovery/Classification
Released: 2023-08-16 17:04:16
ZTF superluminous supernova candidates
Ragnhild Lunnan (OKC), Daniel A. Perley, Jacob Wise (LJMU), Anamaria Gkini, Sean Brennan, Priscila Pessi, Steve Schu...
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2023nit [ZTF23aasccwh]
RA, DEC:22:07:46.814, +15:40:04.15
(331.945058, 15.667821)
Redshift:
Type:
See object 2023nit [ZTF23aasccwh]
,
2023nzh [ZTF23aarguvj]
RA, DEC:16:40:09.748, +17:12:55.51
(250.040616, 17.215421)
Redshift:
Type:
See object 2023nzh [ZTF23aarguvj]
,
2023lor [ZTF23aapfzdf]
RA, DEC:23:15:05.077, +04:14:04.31
(348.771155, 4.234530)
Redshift:
Type:
See object 2023lor [ZTF23aapfzdf]
,
2023lwq [ZTF23aanygxt]
RA, DEC:19:28:34.851, +69:31:07.21
(292.145213, 69.518669)
Redshift:
Type:
See object 2023lwq [ZTF23aanygxt]
,
2023mft [ZTF23aaoyxjb]
RA, DEC:20:28:13.830, +51:12:55.02
(307.057624, 51.215283)
Redshift:0.1146
Type:SN IIn
See object 2023mft [ZTF23aaoyxjb]
,
2023kdd [ZTF23aalrgqn]
RA, DEC:13:11:03.395, +68:09:28.77
(197.764148, 68.157992)
Redshift:
Type:
See object 2023kdd [ZTF23aalrgqn]
,
2023meo [ZTF23aapsuva]
RA, DEC:21:40:59.116, +24:00:26.29
(325.246315, 24.007302)
Redshift:0.095
Type:SN IIn
See object 2023meo [ZTF23aapsuva]
,
2023muz [ZTF23aapxefy]
RA, DEC:18:07:58.919, +58:21:40.85
(271.995495, 58.361348)
Redshift:
Type:
See object 2023muz [ZTF23aapxefy]
,
2023lel [ZTF23aaovhtk]
RA, DEC:21:44:54.509, -10:09:34.84
(326.227120, -10.159679)
Redshift:
Type:
See object 2023lel [ZTF23aaovhtk]
We report 9 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 50 days and a typical peak r-band magnitude i...
AstroNote 2023-228
Type: Object/s-Discovery/Classification
Released: 2023-08-16 14:32:43
GOTO-FAST spectroscopic classifications of optical transients
B. Warwick, B. Godson, D. O'Neill, J. Lyman, T. Killestein, M. Pursiainen, A. Kumar, D. Coppejans, G. Ramsay, R....
Source Group: GOTO
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023oyz [GOTO23aao]
RA, DEC:17:12:00.660, +23:22:37.42
(258.002750, 23.377061)
Redshift:0.0294
Type:SN Ic
See object 2023oyz [GOTO23aao]
,
2023oxc [GOTO23uh]
RA, DEC:16:04:31.469, +36:19:00.59
(241.131120, 36.316830)
Redshift:0.04338783
Type:SN II
See object 2023oxc [GOTO23uh]
,
2023pmv [ZTF23aawmbkn]
RA, DEC:17:58:54.053, +36:58:47.90
(269.725221, 36.979972)
Redshift:0.06709
Type:SN Ia
See object 2023pmv [ZTF23aawmbkn]
,
2023pnd [GOTO23acm]
RA, DEC:19:57:34.144, +61:55:56.79
(299.392265, 61.932442)
Redshift:0.1
Type:SN Ia
See object 2023pnd [GOTO23acm]
,
2023nnk [GOTO23sz]
RA, DEC:17:03:47.310, +24:39:06.40
(255.947125, 24.651778)
Redshift:
Type:CV
See object 2023nnk [GOTO23sz]
This report includes classification of two normal SN Ia, one SN Ic, one CV and one SN of uncertain class. SN 2023pmv is heavily reddened SN Ia around peak light. SN 2023oxc displays a blue featurel...
AstroNote 2023-227
Type: Object/s-Discovery/Classification
Released: 2023-08-15 13:51:14
ATLAS23ree (AT2023plt): discovery of a candidate SN in CGCG 074-019 (99 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023plt [ATLAS23ree]
RA, DEC:13:57:58.850, +10:42:46.94
(209.495208, 10.713039)
Redshift:
Type:
See object 2023plt [ATLAS23ree]
Here we report the ATLAS discovery of the transient ATLAS23ree (AT2023plt) in galaxy CGCG 074-019 at magnitude m_c = 18.51 +/- 0.18. At a distance of 99 Mpc, the transient was discovered on MJD = ...
AstroNote 2023-226
Type: Object/s-Discovery/Classification
Released: 2023-08-15 13:50:37
ATLAS23red (AT2023pls): discovery of a candidate SN in UGC 09002 (60 Mpc)
K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (QUB), S. J...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023pls [ATLAS23red]
RA, DEC:14:04:54.050, +12:42:54.83
(211.225208, 12.715231)
Redshift:0.0136
Type:SN II
See object 2023pls [ATLAS23red]
Here we report the ATLAS discovery of the transient ATLAS23red (AT2023pls) in galaxy UGC 09002 at magnitude m_o = 17.96 +/- 0.11. At a distance of 60 Mpc, the transient was discovered on MJD = 601...
AstroNote 2023-224
Type: Object/s-Discovery/Classification
Released: 2023-08-14 15:35:44
GOTO-FAST spectroscopic classifications of optical transients
B. Godson, B. Warwick, D. O'Neill, J. Lyman, T. Killestein, M. Pursiainen, D. Coppejans, G. Ramsay, R. Kotak, K....
Source Group: GOTO
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2023oxa [GOTO23wf]
RA, DEC:13:41:48.700, +26:23:28.68
(205.452916, 26.391300)
Redshift:0.075
Type:SN Ia
See object 2023oxa [GOTO23wf]
,
2023oza [GOTO23yj]
RA, DEC:17:00:59.853, +22:40:10.05
(255.249388, 22.669459)
Redshift:0.06
Type:SN Ia
See object 2023oza [GOTO23yj]
,
2023ozo [ATLAS23qqc]
RA, DEC:16:19:05.040, -01:54:25.45
(244.771000, -1.907069)
Redshift:0.055
Type:SN
See object 2023ozo [ATLAS23qqc]
,
2023pbe [ATLAS23qse]
RA, DEC:21:50:39.980, +13:17:07.30
(327.666583, 13.285361)
Redshift:0.02016
Type:SN Ia
See object 2023pbe [ATLAS23qse]
,
2023pgr [GOTO23aan]
RA, DEC:23:47:33.204, +16:58:16.91
(356.888349, 16.971364)
Redshift:0.08
Type:SN
See object 2023pgr [GOTO23aan]
,
2023oqt [ATLAS23qjn]
RA, DEC:18:20:40.198, +59:38:47.05
(275.167490, 59.646403)
Redshift:0.087
Type:SN Ia
See object 2023oqt [ATLAS23qjn]
This report includes classifications of 4 Type Ia SNe and two SNe of uncertain class. SN2023pgr exhibits a H-rich flash-ionised spectrum with Balmer lines and a blend of HeII, CIII and NIII emissio...
AstroNote 2023-223
Type: Object/s-Discovery/Classification
Released: 2023-08-13 14:22:51
ATLAS discovery of the blue optical transient ATLAS23qty (AT 2023pcw)
T.-W. Chen (NCU), S. J. Smartt (Oxford/QUB), M. Fulton, K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. McColl...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023pcw [ATLAS23qty]
RA, DEC:00:54:18.461, -40:23:33.18
(13.576921, -40.392549)
Redshift:
Type:
See object 2023pcw [ATLAS23qty]
We report the discovery of the blue optical transient ATLAS23qty (AT 2023pcw), discovered on MJD 60166.14 (2023-08-10.14) at m_o = 19.30 +/- 0.20. Subsequent observations on MJD 60167.25 at m_c = 1...
AstroNote 2023-222
Type: Object/s-Discovery/Classification
Released: 2023-08-12 20:18:53
ATLAS23qse (AT 2023pbe): discovery of a candidate supernova in CGCG 427-027 (84 Mpc)
T.-W. Chen (NCU), J. Sommer (LMU/QUB), S. Srivastav, K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T....
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023pbe [ATLAS23qse]
RA, DEC:21:50:39.980, +13:17:07.30
(327.666583, 13.285361)
Redshift:0.02016
Type:SN Ia
See object 2023pbe [ATLAS23qse]
Here we report the ATLAS discovery of the transient ATLAS23qse (AT 2023pbe) in galaxy CGCG 427-027 at magnitude o = 18.86 +/- 0.17. At a distance of 84 Mpc, the transient was discovered on MJD = 60...
AstroNote 2023-221
Type: Object/s-Discovery/Classification
Released: 2023-08-12 19:03:16
ATLAS23qsf (AT2023pbf): discovery of a candidate SN in WISEA J041656.33-162204.4 (46 Mpc)
J. Sommer (LMU/QUB), T.-W. Chen (NCU), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T....
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2023pbf [ATLAS23qsf]
RA, DEC:04:16:56.356, -16:22:04.80
(64.234815, -16.368000)
Redshift:0.011
Type:SN II
See object 2023pbf [ATLAS23qsf]
Here we report the ATLAS discovery of the transient ATLAS23qsf (AT2023pbf) in galaxy WISEA J041656.33-162204.4 at magnitude m_o = 16.63 +/- 0.06. At a distance of 46 Mpc, the transient was discove...

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AstroNote 2022-145
Released: 2022-07-16
Views Count: 6163
Discovery of Possible Transient in JWST NIRCam Images of SDSS J141930.11+525159.3
Mike Engesser (STScI), Gabriel Brammer (University of Copenhagen), Katriona Gould (University of ...
AstroNote 2023-136
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Early multiband light curve of SN 2023ixf
Juan-Luis González-Carballo, R. G. Farfán, F. Limón, J. L. Salto, C. Botana, A. Mantero, G. Locat...
AstroNote 2023-119
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Views Count: 5125
LT Classification of SN 2023ixf as a Type II Supernova in M101
Daniel A. Perley (LJMU), Avishay Gal-Yam (Weizmann), Ido Irani (Weizmann), Erez Zimmerman (Weizmann)
AstroNote 2020-100
Released: 2020-05-07
Views Count: 2707
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
AstroNote 2020-89
Released: 2020-04-22
Views Count: 2395
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O...
AstroNote 2023-265
Released: 2023-10-11
Views Count: 2390
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
AstroNote 2023-130
Released: 2023-05-22
Views Count: 2380
Onset of SN 2023ixf observed over East Asian longitudes
Yiming Mao, Mi Zhang, Guangyao Cai, Jinan Chen, Jin Chen, Xing Gao, Keying Li, Xiaodong Lyu, Yuji...
AstroNote 2019-163
Released: 2019-12-31
Views Count: 2217
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: 2151
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 2020-70
Released: 2020-03-30
Views Count: 2020
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

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Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
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