Showing results 1351 to 1400 out of 2,107
AstroNote 2022-10
Type: Object/s-Discovery/Classification
Released: 2022-01-10 14:33:45
ATLAS22bgv (AT2022jc): discovery of a candidate supernova in CGCG 050-113 (105 Mpc)
S. Srivastav, K. W. Smith, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2022jc [ATLAS22bgv]
RA, DEC:15:50:25.650, +06:46:14.34
(237.606875, 6.770650)
Redshift:0.024775
Type:SN II
See object 2022jc [ATLAS22bgv]
Here we report the ATLAS discovery of the transient ATLAS22bgv (AT2022jc) in galaxy CGCG 050-113 at magnitude o = 18.55 +/- 0.12. At a distance of 105 Mpc, the transient was discovered on MJD = 59588…
AstroNote 2022-9
Type: Object/s-Discovery/Classification
Released: 2022-01-10 00:19:14
ATLAS22ary (AT2022ec): discovery of a second active candidate SN in NGC 5605 (52 Mpc)
K. W. Smith, M. Fulton, S. J. Smartt, J. Gillanders, S. Srivastav, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2022ec [ATLAS22ary]
RA, DEC:14:25:07.160, -13:09:53.78
(216.279833, -13.164939)
Redshift:0.011294
Type:SN II
See object 2022ec [ATLAS22ary]
Related Notes:
2022-5
2022-92022-01-06 01:14:29
Title: ATLAS22akn (AT2022bn): discovery of a candidate SN in NGC 5605 (52 Mpc)
Authors: K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. …
Source Group: ATLAS
Here we report the ATLAS discovery of the transient ATLAS22ary (AT2022ec) in galaxy NGC 5605 at magnitude m_o = 18.36 +/- 0.18. At a distance of 52 Mpc, the transient was discovered on MJD = 59580.6…
AstroNote 2022-8
Type: Object/s-Discovery/Classification
Released: 2022-01-08 16:30:35
Spectroscopic Classification of Transients with SOAR
Wynn Jacobson-Galán (UCB), Raffaella Margutti (UCB), Lindsay DeMarchi (Northwestern U.), Giacomo Terreran (LCO)
Keywords: Supernova, Transient, Optical, Spectroscopy
Related Objects:
2022au [ATLAS22ajo]
RA, DEC:07:34:23.610, -08:21:08.32
(113.598374, -8.352310)
Redshift:0.086
Type:SN Ia
See object 2022au [ATLAS22ajo]
,
2022an [ASASSN-22ac]
RA, DEC:12:43:32.240, -41:21:57.56
(190.884333, -41.365989)
Redshift:0.007
Type:SN Ia-91bg-like
See object 2022an [ASASSN-22ac]
We report the classification of 2 optical transients using the SOAR Goodman spectrograph: 2 type Ia supernovae.
AstroNote 2022-7
Type: Object/s-Discovery/Classification
Released: 2022-01-08 13:18:03
Asiago spectroscopic classification of optical transient
A. Reguitti, S. Benetti, L. Tomasella, E. Cappellaro (INAF OAPd)
Source Group: Padova-Asiago
Keywords: Supernova, Spectroscopy, Optical, Transient
Related Objects:
2022ea [ASASSN-22aj]
RA, DEC:13:52:41.649, +59:09:28.36
(208.173539, 59.157878)
Redshift:0.031
Type:SN Ia
See object 2022ea [ASASSN-22aj]
,
2022eb [XM91HT]
RA, DEC:11:42:45.000, +56:46:19.49
(175.687500, 56.772081)
Redshift:0.0325
Type:SN Ib
See object 2022eb [XM91HT]
We report the spectroscopic classification of AT 2022ea as a Type Ia SN and AT 2022eb as a Type Ib SN.
AstroNote 2022-6
Type: Object/s-Discovery/Classification
Released: 2022-01-06 19:24:25
ATLAS22akl (AT2022bl): discovery of a candidate supernova in CGCG 073-094 (74 Mpc)
S. Srivastav, K. W. Smith, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2022bl [ATLAS22akl]
RA, DEC:13:54:10.090, +09:24:40.57
(208.542042, 9.411269)
Redshift:0.022866
Type:SN II
See object 2022bl [ATLAS22akl]
Here we report the ATLAS discovery of the transient ATLAS22akl (AT2022bl) in galaxy CGCG 073-094 at magnitude o = 17.95 +/- 0.09. At a distance of 74 Mpc, the transient was discovered on MJD = 59584…
AstroNote 2022-5
Type: Object/s-Discovery/Classification
Released: 2022-01-06 12:24:07
ATLAS22akn (AT2022bn): discovery of a candidate SN in NGC 5605 (52 Mpc)
K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2022bn [ATLAS22akn]
RA, DEC:14:25:05.185, -13:09:57.90
(216.271604, -13.166083)
Redshift:0.011294
Type:SN Ib
See object 2022bn [ATLAS22akn]
Here we report the ATLAS discovery of the transient ATLAS22akn (AT2022bn) in galaxy NGC 5605 at magnitude m_o = 18.54 +/- 0.18. At a distance of 52 Mpc, the transient was discovered on MJD = 59580.6…
AstroNote 2022-4
Type: Object/s-Discovery/Classification
Released: 2022-01-05 17:42:04
ATLAS22aim (AT2022ao): discovery of a candidate SN in NGC 0958 (73 Mpc)
K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2022ao [ATLAS22aim]
RA, DEC:02:30:42.272, -02:56:41.40
(37.676131, -2.944832)
Redshift:0.019
Type:SN Ic
See object 2022ao [ATLAS22aim]
Here we report the ATLAS discovery of the transient ATLAS22aim (AT2022ao) in galaxy NGC 0958 at magnitude m_o = 17.82 +/- 0.11. At a distance of 73 Mpc, the transient was discovered on MJD = 59581.8…
AstroNote 2022-3
Type: Object/s-Discovery/Classification
Released: 2022-01-04 20:22:23
ePESSTO+ spectroscopic classification of optical transients
A. Reguitti, B. Ayala, G. Pignata (UNAB), T.-W. Chen (Stockholm), J. Teffs (LJMU), P. Wiseman (Southampton), A. Aamer (…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2022W [ATLAS22ahw]
RA, DEC:04:30:24.121, +01:33:18.81
(67.600505, 1.555226)
Redshift:0.03
Type:SN IIb
See object 2022W [ATLAS22ahw]
,
2022P [ATLAS22aet]
RA, DEC:08:04:46.579, -03:35:13.89
(121.194077, -3.587191)
Redshift:0.058
Type:SN Ia
See object 2022P [ATLAS22aet]
This report includes classifications of 1 SN IIb and 1 SN Ia.
AstroNote 2022-2
Type: Object/s-Discovery/Classification
Released: 2022-01-03 16:06:02
ePESSTO+ spectroscopic classification of optical transients
A. Reguitti, B. Ayala, G. Pignata (UNAB), T.-W. Chen (Stockholm), J. Teffs (LJMU), P. Wiseman (Southampton), A. Aamer …
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2022E [ATLAS22adz]
RA, DEC:11:57:26.125, +12:41:28.62
(179.358853, 12.691285)
Redshift:0.061
Type:SN Ia
See object 2022E [ATLAS22adz]
This report includes classifications of 1 SN Ia.
AstroNote 2022-1
Type: Object/s-Discovery/Classification
Released: 2022-01-02 15:21:10
ePESSTO+ spectroscopic classification of optical transients
A. Reguitti, G. Pignata, B. Ayala (UNAB), T.-W. Chen (Stockholm), J. Teffs (LJMU), P. Wise (Southampton), A. Aamer (Bir…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agxy [Gaia21fun]
RA, DEC:04:54:31.890, -14:44:13.81
(73.632875, -14.737169)
Redshift:0.04
Type:SN Ia
See object 2021agxy [Gaia21fun]
,
2021agrd [Gaia21ftn]
RA, DEC:08:55:06.180, -25:50:26.20
(133.775750, -25.840611)
Redshift:0
Type:CV
See object 2021agrd [Gaia21ftn]
,
2021agqi [Gaia21fst]
RA, DEC:09:43:25.350, -16:46:18.05
(145.855625, -16.771681)
Redshift:0.053
Type:SN Ia
See object 2021agqi [Gaia21fst]
,
2021ahmz [ATLAS22aaz]
RA, DEC:10:34:50.686, +00:40:33.09
(158.711193, 0.675857)
Redshift:0.032
Type:SN Ia
See object 2021ahmz [ATLAS22aaz]
,
2021aglk [ATLAS21bnlm]
RA, DEC:06:32:55.400, -36:02:03.98
(98.230833, -36.034439)
Redshift:0.037
Type:SN Ia
See object 2021aglk [ATLAS21bnlm]
,
2021agqh [Gaia21fss]
RA, DEC:10:12:58.540, -16:16:32.56
(153.243917, -16.275711)
Redshift:0.05
Type:SN Ic-BL
See object 2021agqh [Gaia21fss]
,
2021agps [ATLAS22aad]
RA, DEC:11:28:31.410, -04:29:21.55
(172.130875, -4.489319)
Redshift:0.046
Type:SN Ia
See object 2021agps [ATLAS22aad]
,
2021agfq [ATLAS21bnfr]
RA, DEC:10:59:07.372, +01:53:22.05
(164.780716, 1.889457)
Redshift:0.039
Type:SN II
See object 2021agfq [ATLAS21bnfr]
This report includes classifications of 5 SN Ia, 1 SN Ic-BL, 1 SN II and 1 Galactic transient.
AstroNote 2021-322
Type: Object/s-Discovery/Classification
Released: 2021-12-30 10:43:55
ePESSTO+ spectroscopic classification of optical transients
J. Pineda (UNAB), G. Dimitriadis (TCD), R. Bruch (Weizmann), T. Nagao (Turku), J. Teffs (LJMU), S. Yang (Stockholm), S…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021aekv [ATLAS21bmjj]
RA, DEC:10:22:54.318, -21:42:43.96
(155.726326, -21.712211)
Redshift:0.187
Type:SLSN-II
See object 2021aekv [ATLAS21bmjj]
,
2021agjj [ATLAS21bnko]
RA, DEC:07:22:35.031, +18:02:04.81
(110.645963, 18.034670)
Redshift:0
Type:Varstar
See object 2021agjj [ATLAS21bnko]
,
2021agqw [Gaia21fti]
RA, DEC:08:03:48.900, -25:37:17.51
(120.953750, -25.621531)
Redshift:0.02
Type:SN Ic
See object 2021agqw [Gaia21fti]
,
2021agpj [ASASSN-21wg]
RA, DEC:04:31:03.890, -03:24:40.10
(67.766208, -3.411139)
Redshift:0.017
Type:SN Ia
See object 2021agpj [ASASSN-21wg]
This report includes classifications of 1 SLSN-II, 1 SN Ic, 1 SN Ia and 1 Galactic transient.
AstroNote 2021-321
Type: Object/s-Discovery/Classification
Released: 2021-12-26 16:54:13
ePESSTO+ spectroscopic classification of optical transients
J. Pineda , R.J. Bruch (Weizmann), J. Anderson (ESO), M. Gromadzki (Warsaw), C. Inserra (Cardiff), E. Kankare (Turku),…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agle [ATLAS21bnle]
RA, DEC:02:02:10.810, -28:38:50.24
(30.545042, -28.647289)
Redshift:0.017
Type:SN II
See object 2021agle [ATLAS21bnle]
,
2021agmw [ASASSN-21wf]
RA, DEC:05:14:43.430, -61:11:20.98
(78.680958, -61.189161)
Redshift:0.031
Type:SN Ia
See object 2021agmw [ASASSN-21wf]
,
2021adyl [ZTF21acnfoqn]
RA, DEC:09:28:04.091, +29:59:27.21
(142.017045, 29.990893)
Redshift:0.028
Type:SN II
See object 2021adyl [ZTF21acnfoqn]
This reports includes the classification of 1 Type Ia, 2 Type II. We encourage follow-up observations.
AstroNote 2021-320
Type: Object/s-Discovery/Classification
Released: 2021-12-25 00:48:01
ATLAS21bnlq (AT2021agnf): discovery of a candidate SN in CGCG 175-003 (101 Mpc)
K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021agnf [ATLAS21bnlq]
RA, DEC:06:31:55.004, +35:33:23.77
(97.979184, 35.556602)
Redshift:0.027
Type:SN Ia-91bg-like
See object 2021agnf [ATLAS21bnlq]
Here we report the ATLAS discovery of the transient ATLAS21bnlq (AT2021agnf) in galaxy CGCG 175-003 at magnitude m_o = 17.99 +/- 0.10. At a distance of 101 Mpc, the transient was discovered on MJD =…
AstroNote 2021-319
Type: Object/s-Discovery/Classification
Released: 2021-12-18 00:40:42
ATLAS21bniy (AT2021agid): discovery of a candidate SN in ESO 322- G 040 (47 Mpc)
K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021agid [ATLAS21bniy]
RA, DEC:12:38:28.470, -40:22:13.30
(189.618625, -40.370361)
Redshift:0.011
Type:SN II
See object 2021agid [ATLAS21bniy]
Here we report the ATLAS discovery of the transient ATLAS21bniy (AT2021agid) in galaxy ESO 322- G 040 at magnitude m_o = 17.41 +/- 0.09. At a distance of 47 Mpc, the transient was discovered on MJD …
AstroNote 2021-318
Type: Announcement-Campaign/Survey
Released: 2021-12-15 22:01:43
Status Update on the ZTF Bright Transient Survey
Christoffer Fremling, Matthew Graham, Shri Kulkarni, Mansi Kasliwal (Caltech), on behalf of the ZTF collaboration
Source Group: ZTF
Keywords: Supernova, Transient
Due to performance issues with the cooling system, the Zwicky Transient Facility (ZTF) announces that the ZTF Camera on the Palomar 48-inch Samuel Oschin Telescope has been brought back to the Caltec…
AstroNote 2021-317
Type: Object/s-Discovery/Classification
Released: 2021-12-15 14:17:59
ePESSTO+ spectroscopic classification of one optical transient
J. Pineda (UNAB), R.J. Bruch (WIS), G. Dimitriadis (TCD), J. Anderson (ESO), T.-W. Chen (Stockholm), M. Gromadzki (Wars…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agey [ATLAS21bnfh]
RA, DEC:01:38:21.280, -15:48:47.42
(24.588666, -15.813171)
Redshift:0.024
Type:SN Ia
See object 2021agey [ATLAS21bnfh]
This report includes the classification of 1 Type Ia.
AstroNote 2021-316
Type: Object/s-Discovery/Classification
Released: 2021-12-14 12:04:30
ePESSTO+ spectroscopic classification of optical transients
J. Pineda (UNAB), G. Dimitriadis (TCD), R. Bruch (Weizmann), P. Wiseman (Southampton), D. O’Neill, M. Fulton (QUB), S. …
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agev [ATLAS21bnfc]
RA, DEC:08:12:01.112, -15:05:57.64
(123.004633, -15.099343)
Redshift:0.072
Type:SN Ia
See object 2021agev [ATLAS21bnfc]
This report includes a classification of 1 Type Ia.
AstroNote 2021-315
Type: Object/s-Discovery/Classification
Released: 2021-12-12 19:20:17
ePESSTO+ spectroscopic classification of optical transients
G. Dimitriadis (TCD), R. Cartier (Gemini), P. Wiseman (Southampton), D. O’Neill, M. Fulton (QUB), S. Benetti (INAF), J…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agbz [ATLAS21bncr]
RA, DEC:23:21:33.710, -43:13:50.77
(350.390458, -43.230769)
Redshift:0.044
Type:SN Ia
See object 2021agbz [ATLAS21bncr]
,
2021aefs [Gaia21fch]
RA, DEC:11:43:29.690, -16:47:49.99
(175.873708, -16.797219)
Redshift:0.012255
Type:SN IIn
See object 2021aefs [Gaia21fch]
,
2021agce [ATLAS21bndg]
RA, DEC:09:46:28.832, -41:29:39.58
(146.620134, -41.494328)
Redshift:0.018
Type:SN Ia
See object 2021agce [ATLAS21bndg]
,
2021agdk [ASASSN-21vw]
RA, DEC:06:01:20.844, -76:53:11.33
(90.336850, -76.886480)
Redshift:0.016
Type:SN Ia
See object 2021agdk [ASASSN-21vw]
,
2021agdm [MSOSSP_07]
RA, DEC:09:19:49.520, -68:54:32.87
(139.956333, -68.909131)
Redshift:0.0114
Type:SN II
See object 2021agdm [MSOSSP_07]
This report includes classifications of three Type Ia's, two Type II's. We encourage follow-up observations.
AstroNote 2021-314
Type: Object/s-Discovery/Classification
Released: 2021-12-10 22:01:47
ATLAS21bndg (AT2021agce): discovery of a candidate supernova in ESO 315- G 022 (82 Mpc)
S. Srivastav, K. W. Smith, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021agce [ATLAS21bndg]
RA, DEC:09:46:28.832, -41:29:39.58
(146.620134, -41.494328)
Redshift:0.018
Type:SN Ia
See object 2021agce [ATLAS21bndg]
Here we report the ATLAS discovery of the transient ATLAS21bndg (AT2021agce) in galaxy ESO 315- G 022 at magnitude o = 17.65 +/- 0.09. At a distance of 82 Mpc, the transient was discovered on MJD = 5…
AstroNote 2021-313
Type: Object/s-Discovery/Classification
Released: 2021-12-10 17:46:40
Spectroscopic Classification of Transients with SOAR
Wynn Jacobson-Galán (UCB), Raffaella Margutti (UCB), David Matthews (UCB), Giacomo Terreran (LCO)
Keywords: Supernova, Spectroscopy, Optical, Transient
Related Objects:
2021agef [ATLAS21bndk]
RA, DEC:06:12:31.278, +06:41:52.01
(93.130326, 6.697779)
Redshift:0.013
Type:SN Ia
See object 2021agef [ATLAS21bndk]
Related Notes:
2021-312
2021-3132021-12-10 00:11:34
Title: ATLAS21bndk (AT2021agef): discovery of a candidate SN in 2MASX J06123179+0641483 (55 Mpc)
Authors: K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. …
Source Group: ATLAS
We report the classification of 1 optical transient using the SOAR Goodman spectrograph: 1 type Ia supernova.
AstroNote 2021-312
Type: Object/s-Discovery/Classification
Released: 2021-12-10 17:30:12
ATLAS21bndk (AT2021agef): discovery of a candidate SN in 2MASX J06123179+0641483 (55 Mpc)
K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021agef [ATLAS21bndk]
RA, DEC:06:12:31.278, +06:41:52.01
(93.130326, 6.697779)
Redshift:0.013
Type:SN Ia
See object 2021agef [ATLAS21bndk]
Here we report the ATLAS discovery of the transient ATLAS21bndk (AT2021agef) in galaxy 2MASX J06123179+0641483 at magnitude m_o = 18.73 +/- 0.20. At a distance of 55 Mpc, the transient was discovere…
AstroNote 2021-311
Type: Object/s-Discovery/Classification
Released: 2021-12-08 20:28:36
Asiago spectroscopic classification of optical transient
L. Tomasella, S. Benetti, E. Cappellaro (INAF OAPd)
Source Group: Padova-Asiago
Keywords: Supernova, Spectroscopy, Optical
Related Objects:
2021afpo [ASASSN-21vf]
RA, DEC:01:00:48.612, +13:06:39.96
(15.202550, 13.111100)
Redshift:0.2129
Type:AGN
See object 2021afpo [ASASSN-21vf]
,
2021agbf [ATLAS21bnbc]
RA, DEC:04:45:50.520, +61:59:33.79
(71.460500, 61.992719)
Redshift:0.026
Type:SN Ia
See object 2021agbf [ATLAS21bnbc]
,
2021agco [PSP21al]
RA, DEC:07:28:10.557, +58:30:12.37
(112.043986, 58.503436)
Redshift:0.010564
Type:SN II
See object 2021agco [PSP21al]
We report the spectroscopic classification of AT2021afpo (ASASSN-21vf), AT2021agbf, AT2021agco
AstroNote 2021-310
Type: Object/s-Data/Analysis
Released: 2021-12-08 14:11:54
Radio detection of the TDE AT2021sdu
Kate D. Alexander (Northwestern U.), James Miller-Jones (ICRAR - Curtin), Sjoert van Velzen (Leiden U.), Dheeraj Pasham…
Keywords: TDE, Transient, Radio, X-rays
Related Objects:
2021sdu [ZTF21abjrysr]
RA, DEC:01:11:23.924, +50:34:29.67
(17.849683, 50.574908)
Redshift:0.059
Type:TDE
See object 2021sdu [ZTF21abjrysr]
We report the detection of evolving radio emission from the TDE AT2021sdu.
AstroNote 2021-309
Type: Object/s-Data/Analysis
Released: 2021-12-08 12:37:21
Radio non-detections of 3 TDEs
Kate D. Alexander (Northwestern U.), Adelle J. Goodwin, James Miller-Jones (ICRAR - Curtin), Sjoert van Velzen (Leiden …
Keywords: TDE, Transient, Radio
Related Objects:
2021ehb [ZTF21aanxhjv]
RA, DEC:03:07:47.806, +40:18:40.57
(46.949190, 40.311268)
Redshift:0.018
Type:TDE
See object 2021ehb [ZTF21aanxhjv]
,
2021mhg [ZTF21abaxaqq]
RA, DEC:00:19:42.900, +29:19:00.70
(4.928750, 29.316861)
Redshift:0.073
Type:TDE
See object 2021mhg [ZTF21abaxaqq]
,
2021nwa [ZTF21abcgnqn]
RA, DEC:15:53:51.279, +55:35:19.67
(238.463663, 55.588798)
Redshift:0.047
Type:TDE
See object 2021nwa [ZTF21abcgnqn]
Related Notes:
2021-103
2021-3092021-03-26 13:33:55
Title: ZTF21aanxhjv/AT2021ehb: ZTF discovery of a young, UV-bright tidal disruption event
Authors: Suvi Gezari (STScI), Erica Hammerstein (UMD), Yuhan Yao (Ca…
Source Group: ZTF
,
2021-183
2021-3092021-07-01 21:10:58
Title: AT2021ehb/ZTF21aanxhjv: Tidal Disruption Event that is Brightening in the X-rays
Authors: Yuhan Yao (Caltech), Murray Brightman (Caltech), Suvi Gezar…
Source Group: ZTF
,
2021-24
2021-3092021-01-20 03:56:21
Title: Radio detections of TDEs AT2020ksf and AT2020zso
Authors: Kate D. Alexander (Northwestern U.), Sjoert van Velzen (Lei…
We report radio non-detections of three TDEs: AT2021ehb, AT2021mhg, and AT2021nwa.
AstroNote 2021-308
Type: Object/s-Discovery/Classification
Released: 2021-12-06 02:09:11
Spectroscopic Classification of Transients with SOAR
Wynn Jacobson-Galán (UCB), Raffaella Margutti (UCB), Sebastian Gonzalez (UCB), Giacomo Terreran (LCO)
Keywords: Supernova, Spectroscopy, Optical, Transient
Related Objects:
2021agbv [ATLAS21bnbv]
RA, DEC:01:56:40.254, -14:07:48.27
(29.167726, -14.130074)
Redshift:0.052
Type:SN Ia
See object 2021agbv [ATLAS21bnbv]
,
2021afyg [ZTF21acqedvx]
RA, DEC:00:40:19.110, +08:46:56.23
(10.079625, 8.782286)
Redshift:0.19
Type:SN Ia
See object 2021afyg [ZTF21acqedvx]
We report the classification of 2 optical transients using the SOAR Goodman spectrograph: 2 type Ia supernovae.
AstroNote 2021-307
Type: Object/s-Discovery/Classification
Released: 2021-12-05 18:16:15
ePESSTO+ spectroscopic classification of optical transients
I. Seitenzahl (Canberra), J. Anderson (ESO), S. Benetti (INAF-OAPd), L. Galbany (ICE-CSIC), Michel Dennefeld (IAP), Emm…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agbu
RA, DEC:03:24:48.140, -21:20:24.00
(51.200583, -21.340000)
Redshift:
Type:
See object 2021agbu
,
2021agbk [Gaia21fju]
RA, DEC:09:04:29.650, -72:03:56.77
(136.123542, -72.065769)
Redshift:0.045
Type:SN Ia
See object 2021agbk [Gaia21fju]
,
2021afre [ASASSN-21vg]
RA, DEC:02:47:13.435, +13:46:57.86
(41.805977, 13.782739)
Redshift:0.055
Type:SN Ia
See object 2021afre [ASASSN-21vg]
{{e.g. This report includes classifications of 2 Type Ia SNe.
AstroNote 2021-306
Type: Object/s-Discovery/Classification
Released: 2021-12-04 17:23:13
ePESSTO+ spectroscopic classification of optical transients
J. Anderson (ESO), I. Seitenzahl (Canberra), S. Benetti (INAF-OAPd), L. Galbany (ICE-CSIC), Michel Dennefeld (IAP), Emm…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021agbn [ATLAS21bnbr]
RA, DEC:03:57:12.850, -25:24:12.17
(59.303542, -25.403381)
Redshift:0.01474
Type:SN II
See object 2021agbn [ATLAS21bnbr]
,
2021aess [ZTF21acpkzcc]
RA, DEC:03:33:48.140, -19:29:44.52
(53.450583, -19.495700)
Redshift:0.007
Type:SN IIn-pec
See object 2021aess [ZTF21acpkzcc]
,
2021afps [ATLAS21bmyo]
RA, DEC:12:47:58.820, -22:16:13.33
(191.995083, -22.270369)
Redshift:0.012
Type:SN II
See object 2021afps [ATLAS21bmyo]
This report includes classifications of 2 Type II, and 1 Type IIn-pec SNe.
AstroNote 2021-305
Type: Object/s-Discovery/Classification
Released: 2021-12-04 00:15:02
ePESSTO+ spectroscopic classification of optical transients
I. Seitenzahl (Canberra), J. Anderson (ESO), L. Galbany (ICE-CSIC), S. Benetti (INAF-OAPd), Michel Dennefeld (IAP), Em…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021afuq [ASASN-21vr]
RA, DEC:10:27:52.150, -43:54:07.17
(156.967290, -43.901990)
Redshift:0.009
Type:SN Ic
See object 2021afuq [ASASN-21vr]
This report includes classifications of 1 Type Ic SN.
AstroNote 2021-304
Type: Object/s-Discovery/Classification
Released: 2021-12-03 16:33:01
ATLAS21bnbr (AT2021agbn): discovery of a candidate supernova in ESO 483- G 002 (48 Mpc)
S. Srivastav, K. W. Smith, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. Richman, L…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021agbn [ATLAS21bnbr]
RA, DEC:03:57:12.850, -25:24:12.17
(59.303542, -25.403381)
Redshift:0.01474
Type:SN II
See object 2021agbn [ATLAS21bnbr]
Here we report the ATLAS discovery of the transient ATLAS21bnbr (AT2021agbn) in galaxy ESO 483- G 002 at magnitude o = 18.18 +/- 0.09. At a distance of 48 Mpc, the transient was discovered on MJD = 5…
AstroNote 2021-303
Type: Object/s-Discovery/Classification
Released: 2021-11-30 17:54:45
ZTF superluminous supernova candidates
Daniel A. Perley (LJMU), Ting-Wan Chen (OKC), Lin Yan (Caltech), Ragnhild Lunnan, Steve Schulze, Tuomas Kangas, Jesper …
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2021adsv [ZTF21achhflf]
RA, DEC:03:54:09.737, -18:42:25.40
(58.540570, -18.707056)
Redshift:
Type:
See object 2021adsv [ZTF21achhflf]
,
2021advv [ZTF21ackwyaa]
RA, DEC:11:29:25.437, +45:33:51.48
(172.355986, 45.564300)
Redshift:
Type:
See object 2021advv [ZTF21ackwyaa]
,
2021aadv [ZTF21acfaqol]
RA, DEC:10:19:47.464, +37:41:38.88
(154.947768, 37.694134)
Redshift:
Type:
See object 2021aadv [ZTF21acfaqol]
,
2021abjn [ZTF21acgtnjv]
RA, DEC:09:26:34.481, +60:32:21.27
(141.643671, 60.539243)
Redshift:
Type:
See object 2021abjn [ZTF21acgtnjv]
,
2021achc [ZTF21aciubsk]
RA, DEC:18:05:48.554, +07:52:23.29
(271.452308, 7.873136)
Redshift:0
Type:
See object 2021achc [ZTF21aciubsk]
We report 5 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 35 days and a typical peak r-band magnitude is …
AstroNote 2021-302
Type: Object/s-Discovery/Classification
Released: 2021-11-29 14:25:25
ePESSTO+ spectroscopic classification of optical transients
F. Ragosta (INAF-OACN), R. Carini (INAF-OAAb), L. Tartaglia, S. Benetti (INAF-OAPd), F. Onori (INAF-OAAb), T. Killeste…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021aepb
RA, DEC:03:30:03.768, -09:41:49.30
(52.515700, -9.697027)
Redshift:0.11
Type:SN Ia
See object 2021aepb
,
2021afok
RA, DEC:08:02:14.150, -09:21:51.48
(120.558958, -9.364300)
Redshift:0
Type:CV
See object 2021afok
This report includes classifications of 1 Type Ia supernova and 1 Galactic CV. We encourage followup observations.
AstroNote 2021-301
Type: Object/s-Discovery/Classification
Released: 2021-11-28 23:07:20
ATLAS21bmyo (AT 2021afps): discovery of a candidate supernova in ESO 574-G033 (49 Mpc)
T.-W. Chen (Stockholm), M. Fulton, K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, D. R. Young, L. Shingles, M…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021afps [ATLAS21bmyo]
RA, DEC:12:47:58.820, -22:16:13.33
(191.995083, -22.270369)
Redshift:0.012
Type:SN II
See object 2021afps [ATLAS21bmyo]
Here we report the ATLAS discovery of the transient ATLAS21bmyo (AT2021afps) in galaxy ESO 574-G033 at magnitude m_o = 16.90 +/- 0.05. At a distance of 49 Mpc, the transient was discovered on MJD = 5…
AstroNote 2021-300
Type: Object/s-Discovery/Classification
Released: 2021-11-28 10:29:55
ATLAS21bmvp (AT 2021afkk): discovery of a fast rising candidate supernova in UGC01971 (60 Mpc)
T.-W. Chen (Stockholm), K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021afkk [ATLAS21bmvp]
RA, DEC:02:29:59.968, +28:38:03.07
(37.499868, 28.634186)
Redshift:0.0138
Type:SN II
See object 2021afkk [ATLAS21bmvp]
Here we report the ATLAS discovery of the transient ATLAS21bmvp (AT 2021afkk) in galaxy UGC01971 at magnitude o = 18.20 +/- 0.08. At a distance of 60 Mpc, the transient was discovered on MJD = 59543…
AstroNote 2021-299
Type: Object/s-Discovery/Classification
Released: 2021-11-27 15:07:53
ePESSTO+ spectroscopic classification of optical transients
R. Carini (INAF-OAAb), F. Ragosta (INAF-OACN), L. Tartaglia, S. Benetti (INAF-OAPd), F. Onori (INAF-OAAb), T. Killeste…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021aehj
RA, DEC:03:56:44.508, -40:52:36.65
(59.185452, -40.876846)
Redshift:0.058
Type:SN Ia
See object 2021aehj
,
2021aeic
RA, DEC:09:51:21.120, -33:00:59.87
(147.838000, -33.016631)
Redshift:0
Type:
See object 2021aeic
,
2021aekl
RA, DEC:08:03:21.848, -08:47:28.22
(120.841035, -8.791171)
Redshift:0.05
Type:AGN
See object 2021aekl
,
2021aexq
RA, DEC:01:27:37.039, -49:55:36.74
(21.904330, -49.926872)
Redshift:0.091
Type:Galaxy
See object 2021aexq
,
2021afcp
RA, DEC:10:41:30.110, -12:21:58.50
(160.375458, -12.366250)
Redshift:0.041
Type:SN Iax[02cx-like]
See object 2021afcp
,
2021afdy
RA, DEC:00:49:46.894, -29:31:01.95
(12.445393, -29.517208)
Redshift:0.077
Type:SN Ia
See object 2021afdy
This report includes classifications of 2 Type Ia's, 1 Type Iax supernoavae, 1 galaxy, 1 AGN and 1 object for which the classification is not clear. We encourage followup observations
AstroNote 2021-298
Type: Object/s-Discovery/Classification
Released: 2021-11-26 15:04:30
ePESSTO+ spectroscopic classification of optical transients
F. Ragosta (INAF-OACN), R. Carini (INAF-OAAb), L. Tartaglia, S. Benetti (INAF - OAPd), F. Onori (INAF-OAAb), T. Killes…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021aexi
RA, DEC:23:51:22.335, +20:06:34.90
(357.843064, 20.109694)
Redshift:0.014
Type:SN Ic
See object 2021aexi
,
2021afis
RA, DEC:01:06:25.399, +14:34:26.35
(16.605829, 14.573986)
Redshift:0.04
Type:SN Ia-91T-like
See object 2021afis
,
2021afdx
RA, DEC:00:37:42.580, -33:43:25.28
(9.427416, -33.723690)
Redshift:0.03
Type:SN II
See object 2021afdx
,
2021afiq
RA, DEC:09:51:34.800, -11:38:44.95
(147.895000, -11.645819)
Redshift:0.076
Type:SN II
See object 2021afiq
This report includes classifications of 1 Type Ia-91T and 2 Type II supernovae. We encourage followup observations.
AstroNote 2021-297
Type: Object/s-Discovery/Classification
Released: 2021-11-25 16:48:43
ePESSTO+ spectroscopic classification of optical transients
F. Ragosta (INAF-OACN), R. Carini (INAF-OAAb), L. Tartaglia, S. Benetti (INAF-OAPd), F. Onori (INAF-OAAb), S. Gonzalez-…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021acya
RA, DEC:04:02:13.760, -28:23:29.72
(60.557333, -28.391589)
Redshift:0.063
Type:SN IIn
See object 2021acya
,
2021adcw
RA, DEC:02:04:32.891, -21:07:09.52
(31.137045, -21.119312)
Redshift:0.017
Type:SN II
See object 2021adcw
,
2021aefa
RA, DEC:05:48:06.617, -17:32:09.32
(87.027571, -17.535922)
Redshift:0.11
Type:SN Ia
See object 2021aefa
,
2021aekt
RA, DEC:05:14:57.858, -44:15:18.24
(78.741074, -44.255066)
Redshift:0.052
Type:SN Ia
See object 2021aekt
,
2021aexp
RA, DEC:01:38:11.964, -29:42:04.38
(24.549850, -29.701216)
Redshift:0.07
Type:SN Ia
See object 2021aexp
,
2021aexy
RA, DEC:03:15:53.845, -23:02:41.31
(48.974356, -23.044808)
Redshift:0.039
Type:SN Ia
See object 2021aexy
,
2021afdu
RA, DEC:00:08:43.248, -39:52:40.06
(2.180200, -39.877794)
Redshift:0.064
Type:SN Ia
See object 2021afdu
,
2021aebs
RA, DEC:01:24:25.700, +19:01:19.85
(21.107083, 19.022181)
Redshift:0.036
Type:SN II
See object 2021aebs
,
2021aekz
RA, DEC:03:34:15.514, -41:28:26.56
(53.564642, -41.474046)
Redshift:0.062
Type:SN Ia
See object 2021aekz
This report includes classifications of 6 Type Ia's, 2 Type II and 1 Type IIn supernovae. We encourage followup observations,
AstroNote 2021-296
Type: Object/s-Discovery/Classification
Released: 2021-11-19 14:40:31
ATLAS21bmnw (AT2021aewn): discovery of a candidate SN in NGC 3106 (89 Mpc)
T. Moore, K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021aewn [ATLAS21bmnw]
RA, DEC:10:04:06.689, +31:11:02.64
(151.027872, 31.184067)
Redshift:0.0206
Type:SN II
See object 2021aewn [ATLAS21bmnw]
Here we report the ATLAS discovery of the transient ATLAS21bmnw (AT2021aewn) in galaxy NGC 3106 at magnitude m_o = 18.66 +/- 0.15. At a distance of 89 Mpc, the transient was discovered on MJD = 5953…
AstroNote 2021-295
Type: Object/s-Discovery/Classification
Released: 2021-11-17 16:35:46
ATLAS21bmma (AT2021aeus): discovery of a candidate SN in CGCG 064-062 (100 Mpc)
T. Moore, K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. Fulton, D. R. Young, L. Shingles, M. McCollum, C. …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021aeus [ATLAS21bmma]
RA, DEC:10:06:46.550, +11:39:49.86
(151.693958, 11.663850)
Redshift:
Type:
See object 2021aeus [ATLAS21bmma]
Here we report the ATLAS discovery of the transient ATLAS21bmma (AT2021aeus) in galaxy CGCG 064-062 at magnitude m_o = 18.58 +/- 0.16. At a distance of 100 Mpc, the transient was discovered on MJD =…
AstroNote 2021-294
Type: Object/s-Data/Analysis
Released: 2021-11-14 14:18:01
Gaia detection of AT2021aeba
Z. Kostrzewa-Rutkowska (Leiden Observatory), S. Hodgkin, A. Delgado, D. Harrison, M. van Leeuwen, G. Rixon, A. Yoldas (…
Keywords: Transient
Related Objects:
2021aeba
RA, DEC:08:08:45.177, +18:42:06.11
(122.188237, 18.701698)
Redshift:
Type:
See object 2021aeba
Related Notes:
2021-291
2021-2942021-11-11 11:39:19
Title: Pan-STARRS Search for Kilonovae: discovery of a fast fading and intrinsically faint transient (AT2021aeba) in SDSS J080844.91+184204.6 (191 Mpc)
Authors: M. Fulton, S. J. Smartt, K. W. Smith (QUB), T.-W. Chen (Sto…
Source Group: Pan-STARRS
,
2021-292
2021-2942021-11-13 19:35:26
Title: ePESSTO+ near-infrared imaging and detection of the faint and fading AT2021aeba
Authors: T.-W. Chen (Stockholm), M. Fulton (QUB), D. B. Malesani (Ra…
Source Group: ePESSTO+
Gaia detection of AT2021aeba on 2021-09-07
AstroNote 2021-293
Type: Object/s-Data/Analysis
Released: 2021-11-13 23:49:19
Zwicky Transient Facility detection of AT2021aeba
Igor Andreoni (JSI/UMD/NASA-GSFC), Jakob Nordin (HU Berlin)
Source Group: ZTF
Keywords: Transient, Supernova
Related Objects:
2021aeba
RA, DEC:08:08:45.177, +18:42:06.11
(122.188237, 18.701698)
Redshift:
Type:
See object 2021aeba
Related Notes:
2021-291
2021-2932021-11-11 11:39:19
Title: Pan-STARRS Search for Kilonovae: discovery of a fast fading and intrinsically faint transient (AT2021aeba) in SDSS J080844.91+184204.6 (191 Mpc)
Authors: M. Fulton, S. J. Smartt, K. W. Smith (QUB), T.-W. Chen (Sto…
Source Group: Pan-STARRS
,
2021-292
2021-2932021-11-13 19:35:26
Title: ePESSTO+ near-infrared imaging and detection of the faint and fading AT2021aeba
Authors: T.-W. Chen (Stockholm), M. Fulton (QUB), D. B. Malesani (Ra…
Source Group: ePESSTO+
Forced photometry at the location of transient AT2021aeba (Fulton et al., AstroNote 2021-291; Chen et al., AstroNote 2021-292) revealed 48 detections in Zwicky Transient Facility data. The first ZTF …
AstroNote 2021-292
Type: Object/s-Data/Analysis
Released: 2021-11-13 22:01:10
ePESSTO+ near-infrared imaging and detection of the faint and fading AT2021aeba
T.-W. Chen (Stockholm), M. Fulton (QUB), D. B. Malesani (Radboud Univ. and DAWN/NBI), S. Smartt, K.W. Smith (QUB), R. C…
Source Group: ePESSTO+
Keywords: Transient, Infra-Red, Supernova
Related Objects:
2021aeba [PS21mbb]
RA, DEC:08:08:45.177, +18:42:06.11
(122.188237, 18.701698)
Redshift:
Type:
See object 2021aeba [PS21mbb]
Related Notes:
2021-291
2021-2922021-11-11 11:39:19
Title: Pan-STARRS Search for Kilonovae: discovery of a fast fading and intrinsically faint transient (AT2021aeba) in SDSS J080844.91+184204.6 (191 Mpc)
Authors: M. Fulton, S. J. Smartt, K. W. Smith (QUB), T.-W. Chen (Sto…
Source Group: Pan-STARRS
We report J-band imaging of the faint and fading transient AT2021aeba discovered by the Pan-STARRS Search for Kilonovae. The transient is detected at high significance but the proximity to the host g…
AstroNote 2021-291
Type: Object/s-Discovery/Classification
Released: 2021-11-13 21:05:06
Pan-STARRS Search for Kilonovae: discovery of a fast fading and intrinsically faint transient (AT2021aeba) in SDSS J080844.91+184204.6 (191 Mpc)
M. Fulton, S. J. Smartt, K. W. Smith (QUB), T.-W. Chen (Stockholm), K. C. Chambers, M. Huber, A. Schultz (IfA, Hawaii),…
Source Group: Pan-STARRS
Keywords: Supernova, Transient
Related Objects:
2021aeba [PS21mbb]
RA, DEC:08:08:45.177, +18:42:06.11
(122.188237, 18.701698)
Redshift:
Type:
See object 2021aeba [PS21mbb]
Related Notes:
2019-48
2021-2912019-07-20 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. Cham…
Source Group: Pan-STARRS
We are carrying out the "Pan-STARRS Search for Kilonovae" which is a focused search for intrinsically faint transients, or rapidly evolving transients in galaxies that are closer than 200 Mpc in the …
AstroNote 2021-290
Type: Object/s-Discovery/Classification
Released: 2021-11-13 14:33:31
ePESSTO+ spectroscopic classification of optical transients
R. Carini, F. Onori, (INAF-OAAb), P. D'Avanzo, A. Melandri (INAF-OAB), G. Pignata (UNAB), E. Paraskeva (IAASARS/NO…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021aefx [DLT21ae]
RA, DEC:04:19:53.400, -54:56:53.09
(64.972500, -54.948081)
Redshift:0.005
Type:SN Ia
See object 2021aefx [DLT21ae]
This report includes classifications of one Type Ia SN.
AstroNote 2021-289
Type: Object/s-Discovery/Classification
Released: 2021-11-11 17:10:40
ePESSTO+ spectroscopic classification of optical transients
F. Onori, R. Carini (INAF-OAAb), A. Melandri, P. D'Avanzo (INAF-OAB), G. Pignata (UNAB), E. Paraskeva (IAASARS/NOA…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021acnu [Gaia21eyz]
RA, DEC:06:04:44.110, -40:25:31.22
(91.183792, -40.425339)
Redshift:0.04
Type:SN Ia
See object 2021acnu [Gaia21eyz]
,
2021acpd [ZTF21acjnojg]
RA, DEC:05:49:03.313, +17:17:12.46
(87.263803, 17.286794)
Redshift:0.04
Type:SN Ic
See object 2021acpd [ZTF21acjnojg]
,
2021acwh [ZTF21acjxjpu]
RA, DEC:06:05:22.820, -27:56:04.23
(91.345084, -27.934509)
Redshift:0.03
Type:SN Ic
See object 2021acwh [ZTF21acjxjpu]
,
2021adxd [ZTF21aclmgzk]
RA, DEC:00:39:22.910, +02:48:14.53
(9.845460, 2.804036)
Redshift:0.017522
Type:SN IIP
See object 2021adxd [ZTF21aclmgzk]
,
2021aebs [ATLAS21blza]
RA, DEC:01:24:25.700, +19:01:19.85
(21.107083, 19.022181)
Redshift:0.036
Type:SN II
See object 2021aebs [ATLAS21blza]
This report includes classifications of one Type Ia's, two Type Ic SNe and and two inconclusive objects.
AstroNote 2021-288
Type: Object/s-Discovery/Classification
Released: 2021-11-08 02:36:14
Spectroscopic Classification of Transients with SOAR
Wynn Jacobson-Galán (UCB), Raffaella Margutti (UCB), Grant Orzechowski (UCB), Giacomo Terreran (LCO), Marco Berton (ESO…
Keywords: Supernova, Spectroscopy, Optical, Transient
Related Objects:
2021adou [ZTF21acmfxkc]
RA, DEC:00:57:51.305, +09:37:52.72
(14.463769, 9.631311)
Redshift:0.039
Type:SN IIn
See object 2021adou [ZTF21acmfxkc]
,
2021adoz [ZTF21aclzodp]
RA, DEC:08:21:52.530, +08:04:53.36
(125.468875, 8.081489)
Redshift:0.056
Type:SN Ia
See object 2021adoz [ZTF21aclzodp]
,
2021acxi [ATLAS21blds]
RA, DEC:23:41:37.109, -06:28:24.76
(355.404620, -6.473544)
Redshift:0.105
Type:AGN
See object 2021acxi [ATLAS21blds]
We reports the classification of 3 optical transients using the SOAR Goodman spectrograph: 1 type IIn, 1 type Ia, and 1 AGN.
AstroNote 2021-287
Type: Object/s-Discovery/Classification
Released: 2021-11-07 15:03:35
ePESSTO+ spectroscopic classification of optical transients
F. Ragosta (INAF-OACN), R. Carini (INAF-OAAb), L. Tartaglia, S. Benetti (INAF-OAPd), S. Srivastav (QUB), J. Teffs (LJMU…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021abqf [ATLAS21bkfu]
RA, DEC:23:27:31.860, -32:59:44.59
(351.882750, -32.995719)
Redshift:0.058
Type:SN IIn
See object 2021abqf [ATLAS21bkfu]
,
2021adko [ASASSN-21ul]
RA, DEC:00:54:18.250, -61:44:48.37
(13.576042, -61.746769)
Redshift:0.06
Type:SN Ia
See object 2021adko [ASASSN-21ul]
,
2021adlt [ATLAS21blqn]
RA, DEC:04:39:11.851, +06:22:24.54
(69.799380, 6.373484)
Redshift:0.021
Type:SN Ia
See object 2021adlt [ATLAS21blqn]
,
2021qfb [MASTER OT J030954.40-100326.3]
RA, DEC:03:09:54.400, -10:03:24.64
(47.476667, -10.056845)
Redshift:0.016
Type:SN II
See object 2021qfb [MASTER OT J030954.40-100326.3]
This report includes classifications of 2 Type Ia's, 1 Type IIL and 1 Type IIn supernovae. We encourage followup observations
AstroNote 2021-286
Type: Object/s-Discovery/Classification
Released: 2021-11-06 19:26:12
Spectroscopic classification of AT 2021adlw as an LBV eruption or an ILRT
Viraj Karambelkar, Mansi Kasliwal, Daniel Stern, Matthew Graham (Caltech), Igor Andreoni (University of Maryland)
Keywords: Time-domain, Transient, Optical, Supernova
Related Objects:
2021adlw
RA, DEC:11:41:17.822, +36:32:34.57
(175.324258, 36.542935)
Redshift:0.004897
Type:SN II
See object 2021adlw
We report the spectroscopic classification of AT 2021adlw (ZTF21aclyyfm) as a possible intermediate-luminosity red transient or the eruption of a dusty luminous blue variable.
AstroNote 2021-285
Type: Object/s-Discovery/Classification
Released: 2021-11-06 15:36:16
ePESSTO+ spectroscopic classification of optical transients
R. Carini (INAF-OAAb), F. Ragosta (INAF-OACN), L. Tartaglia, S. Benetti (INAF-OAPd), S. Srivastav (QUB), J. Teffs (LJMU…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021abvm [ASASSN-21tm]
RA, DEC:20:34:21.510, -54:59:20.40
(308.589625, -54.989000)
Redshift:0.04
Type:SN Ia
See object 2021abvm [ASASSN-21tm]
,
2021acfe [ZTF21aciuhqw]
RA, DEC:00:49:30.761, +23:51:42.33
(12.378171, 23.861758)
Redshift:0.045
Type:SN Ic-BL
See object 2021acfe [ZTF21aciuhqw]
,
2021acpm [ZTF21acjmvhx]
RA, DEC:05:12:23.001, -13:12:19.43
(78.095837, -13.205398)
Redshift:0.042
Type:SN Ic-BL
See object 2021acpm [ZTF21acjmvhx]
,
2021actu [ZTF21acizlcg]
RA, DEC:03:36:05.271, -19:13:34.05
(54.021965, -19.226126)
Redshift:0.029
Type:SN IIb
See object 2021actu [ZTF21acizlcg]
,
2021acvc [ATLAS21blag]
RA, DEC:05:30:38.113, -22:54:01.21
(82.658804, -22.900337)
Redshift:0.031418
Type:SN IIP
See object 2021acvc [ATLAS21blag]
,
2021acwp [ASASSN-21uc]
RA, DEC:21:04:41.706, -37:47:37.33
(316.173775, -37.793702)
Redshift:0.03
Type:SN Ia-91T-like
See object 2021acwp [ASASSN-21uc]
This report includes classifications of 1 Type Ia, 1Type Ia-91T, 1 Type II, 1 Type IIb and 2 Type Ic-BL's. We encourage followup observations
AstroNote 2021-284
Type: Object/s-Discovery/Classification
Released: 2021-11-05 20:39:17
Kinder follow-up observations of AT 2021aczp (ATLAS21blij) in NGC 2935
S. Yang, T.-W. Chen (Stockholm), W.-J. Hou, H.-Y. Hsiao, C.-C. Ngeow, Y.-C. Pan, C.-S. Lin and J.-K. Guo (IANCU).
Source Group: Kinder
Keywords: Transient
Related Objects:
2021aczp [ATLAS21blij]
RA, DEC:09:36:41.164, -21:06:25.38
(144.171518, -21.107050)
Redshift:0.048
Type:SN II
See object 2021aczp [ATLAS21blij]
Related Notes:
2021-92
2021-2842021-03-20 16:22:47
Title: Kinder follow-up observations of AT 2021gca (ZTF21aapkbav)
Authors: T.-W. Chen, S. Yang (Stockholm), Y.-C. Pan, C.-C. Ngeow, H…
Source Group: Kinder
,
2021-278
2021-2842021-11-02 00:10:49
Title: ATLAS21blij (AT2021aczp): discovery of a candidate faint SN in NGC 2935 (28 Mpc)
Authors: K. W. Smith, S. Srivastav, S. J. Smartt, J. Gillanders, M. …
Source Group: ATLAS
,
2021-283
2021-2842021-11-04 14:09:09
Title: ePESSTO+ spectroscopic classification of optical transients
Authors: R. Carini (INAF-OAAb), F. Ragosta (INAF-OACN), L. Tartagli…
Source Group: ePESSTO+
We observed AT 2021aczp (ATLAS21blij) with the 0.4m-SLT at Lulin Observatory, Taiwan. We confirmed that the object has been slightly fading compared with the latest ATLAS observations taken 3 days ag…
AstroNote 2021-283
Type: Object/s-Discovery/Classification
Released: 2021-11-04 17:34:02
ePESSTO+ spectroscopic classification of optical transients
R. Carini (INAF-OAAb), F. Ragosta (INAF-OACN), L. Tartaglia, S. Benetti (INAF-OAPd), S. Srivastav (QUB), J. Teffs (LJM…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2021acnz [ATLAS21bkqq]
RA, DEC:00:36:22.802, -10:05:46.02
(9.095010, -10.096118)
Redshift:0.02
Type:SN Ib
See object 2021acnz [ATLAS21bkqq]
,
2021aces [ATLAS21bkos]
RA, DEC:20:24:40.729, +01:42:37.79
(306.169705, 1.710498)
Redshift:
Type:
See object 2021aces [ATLAS21bkos]
,
2021abze [ATLAS21bkkb]
RA, DEC:00:43:32.253, +14:20:34.02
(10.884387, 14.342783)
Redshift:0.0148
Type:SN II
See object 2021abze [ATLAS21bkkb]
,
2021acbv [PS21ljj]
RA, DEC:21:08:50.796, -24:22:56.42
(317.211648, -24.382339)
Redshift:0.036
Type:SN II
See object 2021acbv [PS21ljj]
,
2021abmn [ATLAS21bkei]
RA, DEC:00:31:25.420, -36:08:20.58
(7.855917, -36.139050)
Redshift:0.04
Type:SN II
See object 2021abmn [ATLAS21bkei]
,
2021acnt [ATLAS21bkpo]
RA, DEC:09:41:42.840, -28:12:08.96
(145.428500, -28.202489)
Redshift:0.008
Type:SN Ia
See object 2021acnt [ATLAS21bkpo]
,
2021aczp [ATLAS21blij]
RA, DEC:09:36:41.164, -21:06:25.38
(144.171518, -21.107050)
Redshift:0.048
Type:SN II
See object 2021aczp [ATLAS21blij]
This report includes classifications of 1 Type Ia, 3 Type II's and 1 Type Ib. We encourage followup observations.

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