AstroNotes

Primary tabs

Showing results 251 to 300 out of 618

Pages

Released: 2022-09-29 12:38:33
Keck/LRIS Observations of AT2022tsd, a Fast-Rising Optical Transient Coincident with a z=0.256 Galaxy
Anna Y. Q. Ho (Cornell), D. A. Perley (LJMU), A. V. Filippenko, W. Zheng, and T. G. Brink (UC Berkeley), Maggie Li (C...
Source Group: ZTF
Related Objects:
2022tsd
RA, DEC:03:20:10.863, +08:44:55.63
(50.045264, 8.748787)
Redshift:
Type:
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
,
2020mrf
RA, DEC:15:47:54.163, +44:39:07.41
(236.975679, 44.652059)
Redshift:0.058809
Type:SN II
We report Keck/LRIS spectroscopy of a fast-rising optical transient coincident with a galaxy at z=0.256, implying a high peak luminosity (M_g < -20 mag).
Released: 2022-09-23 16:07:14
ePESSTO+ spectroscopic classification of optical transients
M. Toy, M. Grayling, P. Wiseman, C. Frohmaier (Southampton), L. Galbany (ICE), F. Onori (INAF-OAAb), T. Kravtsov (UTU...
Source Group: ePESSTO+
Related Objects:
2022qye [Gaia22dgp]
RA, DEC:21:33:32.080, +28:48:45.43
(323.383667, 28.812619)
Redshift:0.042
Type:SN Ia
,
2022ucl [ATLAS22benb]
RA, DEC:15:52:03.106, -24:12:54.38
(238.012941, -24.215106)
Redshift:0.057
Type:SN Ia
,
2022ueq [ATLAS22beuf]
RA, DEC:20:46:47.773, -52:33:48.26
(311.699056, -52.563404)
Redshift:0.0649
Type:SN Ia
,
2022ues [ATLAS22beuh]
RA, DEC:19:04:19.900, -46:14:37.14
(286.082917, -46.243650)
Redshift:0.039
Type:SN II
,
2022ueu [ATLAS22beuk]
RA, DEC:16:26:26.662, -77:02:31.55
(246.611092, -77.042098)
Redshift:0.044
Type:Galaxy
,
2022uqg [ASASSN-22lh]
RA, DEC:18:48:23.556, -28:44:17.12
(282.098150, -28.738090)
Redshift:0.032
Type:SN Ia
,
2022usw [ZTF22abfuyqr]
RA, DEC:20:52:58.898, -06:19:08.30
(313.245407, -6.318971)
Redshift:0.078
Type:SN Ia
,
2022vju [ATLAS22bffz]
RA, DEC:05:20:08.680, -43:39:50.19
(80.036168, -43.663941)
Redshift:0.05
Type:SN Ia
This report includes classifications of 6 Type Ia's, 1 Type II and 1 galaxy.
Released: 2022-09-22 16:16:04
ePESSTO+ spectroscopic classification of optical transients
M. Grayling, M. Toy, P. Wiseman, C. Frohmaier, L. Galbany (ICE), F. Onori (INAF-OAAb), T. Kravtsov (UTU), S. Benett...
Source Group: ePESSTO+
Related Objects:
2022svk [ZTF22abeiiqa]
RA, DEC:18:18:43.234, +16:54:38.39
(274.680143, 16.910664)
Redshift:0.07
Type:SN I
,
2022tjl [ATLAS22bdta]
RA, DEC:21:41:23.304, -51:27:25.86
(325.347102, -51.457184)
Redshift:0.1
Type:SN Ia
,
2022tsh [ZTF22abfrkoh]
RA, DEC:23:40:18.845, -04:09:21.93
(355.078519, -4.156091)
Redshift:0.022
Type:SN Ic
,
2022uda [ATLAS22bepq]
RA, DEC:22:04:29.585, +16:04:08.77
(331.123272, 16.069102)
Redshift:0.025
Type:SN Ib
,
2022upx [ATLAS22berw]
RA, DEC:18:26:23.810, +25:10:49.00
(276.599209, 25.180279)
Redshift:0
Type:Varstar
,
2022udd [ATLAS22beqi]
RA, DEC:06:05:28.422, -18:18:43.02
(91.368424, -18.311951)
Redshift:0.025
Type:SN IIP
,
2022uer [ATLAS22beug]
RA, DEC:03:57:57.980, -41:30:46.77
(59.491584, -41.512993)
Redshift:0.06
Type:SN Ia
,
2022saz [ZTF22abcesfo]
RA, DEC:01:49:09.000, +08:30:35.10
(27.287500, 8.509750)
Redshift:0.08
Type:SN IIn
,
2022uew [ATLAS22beum]
RA, DEC:00:00:53.221, -49:18:57.29
(0.221756, -49.315914)
Redshift:0.07
Type:SN Ia
,
2022tig [ATLAS22bdon]
RA, DEC:06:10:31.410, -38:32:22.27
(92.630875, -38.539519)
Redshift:0.04
Type:SN II
,
2021lwx [ZTF20abrbeie]
RA, DEC:21:13:48.405, +27:25:50.46
(318.451686, 27.430683)
Redshift:0.995
Type:AGN
This report includes classifications of 3 Type Ia's, 1 SN I with uncertain subtype, 1 Type Ib, 1 Type Ic, 1 Type II, 1 Type IIn, 1 variable star, 1 AGN, and 1 galaxy. The spectrum of AT2021lwx sho...
Released: 2022-09-21 16:00:23
ePESSTO+ spectroscopic classification of optical transients
M. Toy, M. Grayling, C. Frohmaier, P. Wiseman (Southampton), L. Galbany (ICE), F. Onori (INAF-OAAb), T. Kravtsov (UTU...
Source Group: ePESSTO+
Related Objects:
2022uax [ATLAS22beju]
RA, DEC:20:02:39.314, -37:58:12.68
(300.663807, -37.970190)
Redshift:0.03
Type:SN Ia
,
2022skj [PS22hij]
RA, DEC:21:55:34.781, -26:31:57.32
(328.894922, -26.532589)
Redshift:0.057
Type:SN
,
2022tia [ATLAS22bdnv]
RA, DEC:00:50:34.440, -48:10:32.34
(12.643500, -48.175650)
Redshift:0.07
Type:SN Ia
,
2022uph [ZTF22abfvvpv]
RA, DEC:21:50:09.114, -19:39:33.62
(327.537975, -19.659338)
Redshift:0.059
Type:SN Ia
,
2022ufh [ATLAS22beux]
RA, DEC:06:29:08.430, -71:29:38.98
(97.285125, -71.494161)
Redshift:0
Type:Nova
,
2022qyq [PS22gwn]
RA, DEC:02:24:32.728, -06:38:42.37
(36.136365, -6.645102)
Redshift:0.166
Type:SN IIn
This report includes classifications of 3 Type Ia's, 1 Type IIn, 1 Galactic transient, and 1 SN with no type identified. The spectrum of AT2022skj is low S/N with marginally significant broad fe...
Released: 2022-09-15 17:15:18
ePESSTO+ spectroscopic classification of optical transients
M. Grayling, M.Toy, P. Wiseman, C. Frohmaier (Southampton), E. Paraskeva (UC Davis), A. Reguitti (UNAB), T. Pessi (UD...
Source Group: ePESSTO+
Related Objects:
2022tim [ATLAS22bdpv]
RA, DEC:00:33:37.404, +00:00:01.01
(8.405851, 0.000280)
Redshift:0.12
Type:SN Ia
,
2022tis [ATLAS22bdre]
RA, DEC:21:10:35.865, -09:30:14.48
(317.649439, -9.504022)
Redshift:0.05
Type:SN II
,
2022tiv [ATLAS22bdrl]
RA, DEC:21:23:57.450, -22:44:07.39
(320.989377, -22.735386)
Redshift:0.03
Type:SN Ia
,
2022tsn [ZTF22abfefaz]
RA, DEC:23:26:17.974, -13:19:11.56
(351.574892, -13.319877)
Redshift:0.126
Type:SN Ia-91T-like
,
2022ttt [ATLAS22begu]
RA, DEC:16:28:43.021, +11:27:44.64
(247.179253, 11.462401)
Redshift:0.06
Type:SN Ia
,
2022uay [ATLAS22bejv]
RA, DEC:23:51:53.626, -28:23:02.34
(357.973440, -28.383983)
Redshift:0.07
Type:SN Ia
,
2022uaz [ATLAS22bejy]
RA, DEC:22:08:32.159, -43:17:04.74
(332.133996, -43.284651)
Redshift:0.03
Type:SN II
,
2022rvd [ATLAS22baru]
RA, DEC:00:39:04.004, -41:13:52.11
(9.766685, -41.231142)
Redshift:0.048
Type:SN II
,
2022tpl [ATLAS22bebv]
RA, DEC:04:33:18.478, -64:09:08.67
(68.326991, -64.152409)
Redshift:0.06
Type:SN Ia
,
2022tpe [ATLAS22beaa]
RA, DEC:03:46:09.563, -40:20:17.89
(56.539848, -40.338302)
Redshift:0.055
Type:SN IIn
This report includes classifications of 6 Type Ia's, 3 Type II's, and 1 Type IIn. 2022rvd shows clear SN lines including broad H-alpha, but also unusual lines, and reasonable matches to SN1998S. W...
Released: 2022-09-03 15:49:43
ePESSTO+ spectroscopic classification of optical transients
J. Pineda-Garcia (UNAB), C. Gutiérrez, T. Kravtsov (UTU), T. Pessi (UDP), N. Ihanec (Warsaw), A. Reguitti (UNAB), S. ...
Source Group: ePESSTO+
Related Objects:
2022rhe [ATLAS22zvi]
RA, DEC:20:20:06.934, -19:42:24.19
(305.028893, -19.706719)
Redshift:0.03
Type:SN II
,
2022ski [ATLAS22bbwl]
RA, DEC:00:24:58.382, -18:34:21.96
(6.243259, -18.572767)
Redshift:0.12
Type:SN Ia
,
2022sks [ATLAS22bcgi]
RA, DEC:20:16:23.560, -51:05:05.89
(304.098167, -51.084969)
Redshift:0.076
Type:SN IIn
,
2022skw [ATLAS22bcgo]
RA, DEC:01:55:44.666, -25:14:55.48
(28.936108, -25.248744)
Redshift:0.07
Type:SN Ia-91bg-like
,
2022svt [ATLAS22bcuo]
RA, DEC:05:26:46.420, -19:12:17.75
(81.693417, -19.204931)
Redshift:0.027599
Type:SN II
,
2022ssi [ZTF22abdtddo]
RA, DEC:00:07:01.960, +03:24:20.43
(1.758167, 3.405676)
Redshift:
Type:SN
,
2022skh [ATLAS22bbfr]
RA, DEC:05:00:19.207, -53:21:21.41
(75.080028, -53.355947)
Redshift:
Type:
This report includes classifications of 2 Type Ia's, 1 Type II, 1 Type IIn, and 2 blue continua spectra.
Released: 2022-09-02 18:29:46
ePESSTO+ spectroscopic classification of optical transients
J. Pineda (UNAB), T. Kravtsov, C. Gutierrez (UTU), T. Pessi (UDP), N. Ihanec (Warsaw), A. Reguitti (UNAB), J. Anderso...
Source Group: ePESSTO+
Related Objects:
2022sah [ATLAS22bbfp]
RA, DEC:02:25:21.860, -76:46:12.25
(36.341083, -76.770069)
Redshift:0.05
Type:SN Ia
,
2022scb [ATLAS22bblz]
RA, DEC:20:08:18.020, -59:58:44.33
(302.075083, -59.978981)
Redshift:0.07
Type:SN Ia
,
2022she [ATLAS22bbyz]
RA, DEC:20:51:41.640, -52:46:19.06
(312.923500, -52.771961)
Redshift:0.05
Type:SN Ia
,
2022shf [ATLAS22bbza]
RA, DEC:20:26:01.670, -27:03:10.26
(306.506958, -27.052850)
Redshift:0.07
Type:SN Ia
,
2022swf [ZTF22abdyjqu]
RA, DEC:20:45:41.858, -10:40:34.30
(311.424408, -10.676194)
Redshift:0.108
Type:SN Ia
This report includes classifications of 5 Type Ia's.
Released: 2022-08-27 18:35:58
ePESSTO+ spectroscopic classification of optical transients
C. Gutierrez, T. Kravtsov (UTU), T. Killestein (Warwick), T. Moore (QUB), L. Galbany (ICE), N. Ihanec (Warsaw), J. So...
Source Group: ePESSTO+
Related Objects:
2022ryd [ATLAS22bayv]
RA, DEC:19:58:37.530, +02:35:59.75
(299.656375, 2.599931)
Redshift:0.01
Type:SN Ib
,
2022rwy [ATLAS22bavy]
RA, DEC:20:49:48.814, -04:45:07.56
(312.453391, -4.752100)
Redshift:0.0747
Type:SN Ic
,
2022qml [ATLAS22yti]
RA, DEC:22:29:45.502, +13:38:24.11
(337.439592, 13.640030)
Redshift:0.046
Type:SN IIn
,
2022opm [ZTF22aasousd]
RA, DEC:22:11:17.169, +29:18:01.87
(332.821537, 29.300519)
Redshift:0.249
Type:SLSN-II
,
2022pss [ATLAS22wxv]
RA, DEC:01:28:19.226, +20:23:45.32
(22.080108, 20.395923)
Redshift:0.06
Type:SN IIn
,
2022rzb [ATLAS22bbmy]
RA, DEC:00:19:20.321, -01:55:02.24
(4.834669, -1.917288)
Redshift:0.0559
Type:Galaxy
,
2021ydc [ATLAS22bbkm]
RA, DEC:01:25:17.636, +22:23:25.31
(21.323482, 22.390363)
Redshift:0.055
Type:SN IIn
,
2022rkp [ATLAS22baaf]
RA, DEC:04:37:24.965, -21:17:38.14
(69.354020, -21.293929)
Redshift:0.066
Type:SN
This report includes classifications of two Type IIn, one Type Ib, one Type Ic, one SLSN II and blue continuum. AT2022rzb and AT2021ydc were also observed; they were found to be consistent with a p...
Released: 2022-08-26 18:31:29
ePESSTO+ spectroscopic classification of optical transients
C. Gutierrez, T. Kravtsov (UTU), T. Killestein (Warwick), T. Moore (QUB), L. Galbany (ICE), J. Anderson (ESO), T.-W. ...
Source Group: ePESSTO+
Related Objects:
2022sdb [ATLAS22bbsv]
RA, DEC:13:03:08.854, -41:09:42.13
(195.786892, -41.161702)
Redshift:0.0197
Type:SN Ia-91T-like
,
2022rqq [ATLAS22banb]
RA, DEC:00:15:45.486, -00:39:09.58
(3.939524, -0.652660)
Redshift:0.07
Type:SN Ia
,
2022ryp [ATLAS22bbtf]
RA, DEC:01:43:11.244, -04:51:08.94
(25.796850, -4.852484)
Redshift:0.0389
Type:SN II
,
2022rpm [ATLAS22batj]
RA, DEC:02:01:11.360, -05:51:59.51
(30.297333, -5.866531)
Redshift:0
Type:SN
,
2022rsv [ZTF22abbqnqn]
RA, DEC:18:40:04.434, +26:38:15.59
(280.018474, 26.637664)
Redshift:
Type:
This report include classifications of one Ia, one Ia-91T-like, one type II SNe and one blue continuum.
Released: 2022-08-25 18:30:29
ePESSTO+ spectroscopic classification of optical transients
C. Gutierrez, T. Kravtsov (UTU), J. Anderson (ESO), T.-W. Chen (Stockholm), M. Gromadzki (Warsaw), C. Inserra (Cardif...
Source Group: ePESSTO+
Related Objects:
2022rns [ATLAS22baez]
RA, DEC:06:32:46.368, -34:07:17.72
(98.193200, -34.121588)
Redshift:0.024
Type:SN II
,
2022rwq [ATLAS22bavc]
RA, DEC:23:56:31.204, -37:33:59.52
(359.130017, -37.566533)
Redshift:0.071
Type:SN Ia
,
2022rwx [ATLAS22bavx]
RA, DEC:23:56:29.081, -27:42:29.46
(359.121170, -27.708184)
Redshift:0.071
Type:SN II
,
2022rxz [ATLAS22bayb]
RA, DEC:20:29:08.280, -76:28:06.71
(307.284500, -76.468531)
Redshift:0
Type:CV
,
2022sat [ATLAS22bbgg]
RA, DEC:02:02:04.800, -28:35:28.97
(30.520000, -28.591381)
Redshift:0.017
Type:SN II
This report includes classifications of 1 Type Ia, 1 Type II and 1 CV. Two transients have blue continuums are tentatively designated as SNe.
Released: 2022-08-21 18:59:05
ePESSTO+ spectroscopic classification of optical transients
B. Ayala (UNAB), C. Gutiérrez, T. Kravtsov (UTU), M. Dennefeld (IAP, Sorbonne U), S. Srivastav (QUB), T.-W. Chen (Sto...
Source Group: ePESSTO+
Related Objects:
2022ozx [ATLAS22vew]
RA, DEC:19:38:50.430, -50:11:33.76
(294.710125, -50.192711)
Redshift:0.057
Type:SN IIn
,
2022rgy [ATLAS22zuv]
RA, DEC:20:07:48.370, -29:48:29.05
(301.951542, -29.808069)
Redshift:0.023
Type:SN Ia
,
2022rlt [ATLAS22baax]
RA, DEC:13:19:02.015, -23:58:06.76
(199.758398, -23.968545)
Redshift:0.07
Type:SN Ia
,
2022rmg [ZTF22abajyqm]
RA, DEC:17:02:49.550, -21:48:08.32
(255.706458, -21.802311)
Redshift:0.057
Type:SN IIn
,
2022rnt [MASTER OT J185634.89-645541.6]
RA, DEC:18:56:35.240, -64:55:43.39
(284.146833, -64.928719)
Redshift:0.014
Type:SN Ia
,
2022roe [ZTF22abazqjm]
RA, DEC:19:07:08.579, +29:39:12.65
(286.785747, 29.653513)
Redshift:0
Type:CV
This report includes classifications of 3 Type Ia's, 2 Type IIn's and 1 CV.
Released: 2022-08-20 18:44:59
ePESSTO+ spectroscopic classification of optical transients
B. Ayala (UNAB), C. Gutiérrez, T. Kravtsov (UTU), M. Dennefeld (IAP, Sorbonne U), S. Srivastav (QUB), T.-W. Chen (Sto...
Source Group: ePESSTO+
Related Objects:
2019uzd [ZTF22abaucrh]
RA, DEC:22:57:09.936, +08:30:20.62
(344.291400, 8.505729)
Redshift:0.032
Type:SN Ia
,
2022rkr [ATLAS22baah]
RA, DEC:19:49:13.275, -31:02:08.55
(297.305313, -31.035708)
Redshift:0.08
Type:SN Ia
,
2022npq [PS22fqn]
RA, DEC:16:21:03.732, +14:50:54.75
(245.265551, 14.848541)
Redshift:0.26
Type:SLSN-I
,
2022rmk [ATLAS22baci]
RA, DEC:22:22:49.148, -20:21:01.24
(335.704784, -20.350343)
Redshift:0.009
Type:LBV
This report includes classifications of 2 Type Ia's, 1 SLSN, and 1 LVB.
Released: 2022-08-17 23:09:27
Spectroscopic classification of SN 2022msv
T.-W. Chen, J. Johansson, A. Goobar, A. Sagues Carracedo, S. Schulze, N. Arendse (OKC Stockholm), S. Taubenberger, S....
Related Objects:
2022msv [ZTF22aanuapl]
RA, DEC:18:19:11.493, +41:01:02.49
(274.797888, 41.017358)
Redshift:0.154
Type:SN IIn
Related Notes: , ,
We have obtained an optical spectrum of SN 2022msv, which shows it to be a Type IIn supernova.
Released: 2022-08-13 19:57:38
ENGRAVE spectroscopic classification of SN2022qzr
T.-W. Chen (OKC Stockholm), M. Fraser (UCD), M. Fulton (QUB), M. Gromadzki (Warsaw), L. Izzo (DARK/NBI), A. J. Levan ...
Source Group: ENGRAVE
Related Objects:
2022qzr
RA, DEC:00:09:55.001, -05:01:16.09
(2.479169, -5.021135)
Redshift:0.019
Type:SN IIb
Related Notes: ,
We report a classification of SN2022qzr as a young, pre-maximum type-IIb supernova, based on spectra taken with X-shooter at the VLT.
Released: 2022-08-08 18:27:30
Spectroscopic classification of SN 2022onj
C. Vogl, S. Taubenberger, S. H. Suyu, R. Cañameras, S. Schuldt, A. Melo (MPA/TUM Garching), S. Dhawan (KICC Cambridge...
Related Objects:
2022onj [ZTF22aasmhbv]
RA, DEC:14:57:21.624, +53:13:48.37
(224.340102, 53.230103)
Redshift:0.142
Type:SN Ia
Related Notes: , , ,
We have obtained an optical spectrum of SN 2022onj, which shows it to be a Type Ia supernova about two weeks after maximum light.
Released: 2022-08-06 23:25:50
Spectroscopic classification of ZTF22aautuax
S. Taubenberger, S. H. Suyu, R. Cañameras, C. Vogl, S. Schuldt, A. Melo (MPA/TUM Garching), S. Dhawan (KICC Cambridge...
Related Objects:
ZTF22aautuax
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF22aautuax
Related Notes: , ,
We have obtained an optical spectrum of ZTF22aautuax, which shows it to be a Type Ia supernova about two weeks after maximum light.
Released: 2022-08-06 14:12:16
Classification of SN 2022qpp as a young Type Ia supernova
Laura Bach Salmonsen, Samuel Grund Sørensen, Astrid Guldberg Theil, Emilie Møller Andersen, Morten Westfall Norup Jør...
Related Objects:
2022qpp [ATLAS22ywb]
RA, DEC:19:27:51.560, -35:02:41.17
(291.964833, -35.044769)
Redshift:0.018
Type:SN Ia
Related Notes:
We report the classification of SN 2022qpp (ATLAS22ywb) as a young Type Ia supernova, using spectra from the Nordic Optical Telescope.
Released: 2022-07-17 19:40:55
Spectroscopic classification of SN 2022ohh
S. Taubenberger, S. H. Suyu, R. Cañameras, C. Vogl, S. Schuldt (MPA/TUM Garching), J. Johansson, A. Goobar, A. Sagues...
Related Objects:
2022ohh [ZTF22aapqwas]
RA, DEC:14:10:52.425, +77:12:22.25
(212.718439, 77.206180)
Redshift:0.12
Type:SN Ia
Related Notes: ,
We have obtained an optical spectrum of SN 2022ohh, which shows it to be a Type Ia supernova about a week after maximum light.
Released: 2022-06-23 14:10:43
ZTF/ATLAS discovery of the luminous, fast-rising, blue optical transient AT2022ncc
Daniel A. Perley (LJMU), Adam Miller (Northwestern), Anna Ho (UC Berkeley), Christoffer Fremling (Caltech), Steve Sch...
Source Group: ZTF
Related Objects:
2022ncc [ATLAS22rbf]
RA, DEC:14:05:39.250, +20:38:28.36
(211.413542, 20.641211)
Redshift:0.0542
Type:SN II
We report the detection of a fast, blue, luminous optical transient in ZTF and ATLAS observations. Spectra with several facilities show a featureless intrinsic spectrum with weak host emission lin...
Released: 2022-06-23 01:46:04
Classification of SN 2022ngb as a young Type II supernova
Luca Izzo (DARK/NBI), Daniele B. Malesani (Radboud U.), Charles D. Kilpatrick (Northwestern), Ryan J. Foley, Samaporn...
Related Objects:
2022ngb [ATLAS22res]
RA, DEC:18:56:51.480, +36:37:07.82
(284.214500, 36.618839)
Redshift:0.009
Type:SN IIb
Related Notes:
We report the classification of SN 2022ngb (ATLAS22res) in UGC11380 as a young Type IIb supernova using spectra from the Nordic Optical Telescope.
Released: 2022-06-22 22:16:28
Kinder follow-up observations of AT 2022ngb (ATLAS22res): red colour and fast fading transient
T.-W. Chen, S. Yang (Stockholm), Y.-C. Cheng (NTNU), H.-Y. Hsiao, W.-J. Hou, Y.-C. Pan, C.-C. Ngeow, C.-S. Lin and J....
Source Group: Kinder
Keywords: Transient
Related Objects:
2022ngb [ATLAS22res]
RA, DEC:18:56:51.480, +36:37:07.82
(284.214500, 36.618839)
Redshift:0.009
Type:SN IIb
Related Notes: ,
We observed AT2022ngb (ATLAS22res) with the Lulin One-meter Telescope, Taiwan. We confirmed that the object is fast fading. We found the colour is red with g-r ~ 0.5 mag, g-i ~ 0.6 mag and g-z ~ 0....
Released: 2022-05-25 07:20:05
AT2022kms in NGC55, MeerLICHT detections
Paul Groot (Radboud, UCT, SAAO), Nadia Blagorodnova (Radboud), Simon de Wet (UCT, SAAO)
Source Group: MeerLICHT
Related Objects:
2022kms
RA, DEC:00:15:14.669, -39:13:22.47
(3.811120, -39.222907)
Redshift:
Type:
MeerLICHT data on AT2022kms shows a first detection on 2021-11-24 at q=20.01+/-0.17 and a steady rise since.
Released: 2022-05-24 15:58:48
ePESSTO+ spectroscopic classification of optical transients
S.P. Cosentino (Catania), C.R. Evans (Cardiff), E.Parrag (Cardiff), C. Inserra (Cardiff), S. Benetti (INAF-OAPd), L....
Source Group: ePESSTO+
Related Objects:
2022klj [PS22eiq]
RA, DEC:16:18:24.720, +12:28:13.86
(244.602999, 12.470517)
Redshift:0.0823
Type:SN Ia
,
2022kkg [ZTF22aakoxtx]
RA, DEC:20:23:15.980, +20:12:57.89
(305.816583, 20.216081)
Redshift:0.04
Type:SN Ia
,
2022kbu [ATLAS22ocm]
RA, DEC:23:57:55.020, -14:02:31.34
(359.479250, -14.042039)
Redshift:0.0301
Type:SN II
,
2022kbc [ZTF22aakejxf]
RA, DEC:12:04:46.911, +09:26:17.72
(181.195461, 9.438256)
Redshift:0.0687
Type:SN Ia-91bg-like
,
2022jli [ATLAS22oat]
RA, DEC:00:34:45.690, -08:23:12.16
(8.690375, -8.386711)
Redshift:0.006
Type:SN Ic
,
2022jtc [ATLAS22oak]
RA, DEC:17:55:50.441, +01:20:08.11
(268.960173, 1.335586)
Redshift:0.02
Type:SN II
This report includes classifications of 3 Type Ia's (of which one is 91bg-like), 2 Type II's (of which one is possibly showing a high velocity Halpha) and a Type Ic.
Released: 2022-05-23 17:31:52
ePESSTO+ spectroscopic classification of optical transients
C. R. Evans (Cardiff), E. Parrag (Cardiff), S. P. Cosentino (Catania), C. Inserra (Cardiff), S. Benetti (INAF-OAPd),...
Source Group: ePESSTO+
Related Objects:
2022khy [ATLAS22oeu]
RA, DEC:17:00:40.990, +18:52:19.67
(255.170792, 18.872131)
Redshift:0.03
Type:SN II
,
2022kbs [ATLAS22ocj]
RA, DEC:00:49:50.070, -35:20:08.77
(12.458625, -35.335769)
Redshift:0.06
Type:SN Ia
,
2022jzx [ATLAS22oas]
RA, DEC:01:02:09.860, -04:14:06.61
(15.541083, -4.235169)
Redshift:0.017
Type:SN II
,
2022jwr [ZTF22aajspto]
RA, DEC:20:41:56.594, +09:27:29.12
(310.485808, 9.458089)
Redshift:0.084
Type:SN Ia
,
2022jqd [ASASSN-22gp]
RA, DEC:17:28:22.963, -61:08:41.50
(262.095680, -61.144860)
Redshift:0.02
Type:SN Ia
,
2022hnv [ATLAS22maj]
RA, DEC:16:02:07.410, -33:53:44.56
(240.530875, -33.895711)
Redshift:0.03
Type:SN II
,
2022jkx [ATLAS22nnn]
RA, DEC:13:40:19.497, -23:51:15.63
(205.081238, -23.854341)
Redshift:0.022
Type:SN Ib
This report includes classifications of 3 Type Ia's, 3 Type II's and an updated classification of AT2022jkx as a Type Ib.
Released: 2022-05-22 15:54:06
ePESSTO+ spectroscopic classification of optical transients
E. Parrag (Cardiff), S. P. Cosentino (Catania), C. R. Evans (Cardiff), C. Inserra (Cardiff), L. Galbany (ICE), E. P...
Source Group: ePESSTO+
Related Objects:
2022kck [ZTF22aakfzqz]
RA, DEC:12:33:07.540, -14:29:24.72
(188.281417, -14.490200)
Redshift:0.05
Type:SN Ia
,
2022jpx [ATLAS22nvm]
RA, DEC:10:10:10.000, -11:04:50.05
(152.541667, -11.080569)
Redshift:0.015
Type:SN IIb
,
2022hsi [ATLAS22mgz]
RA, DEC:10:49:16.350, -08:46:21.90
(162.318125, -8.772750)
Redshift:0.14
Type:AGN
,
2022kbt [ATLAS22ocl]
RA, DEC:23:07:22.630, -61:29:22.49
(346.844292, -61.489581)
Redshift:0.03
Type:SN II
,
2022jmp [ATLAS22nrq]
RA, DEC:19:05:28.329, -20:59:11.60
(286.368036, -20.986555)
Redshift:0.05
Type:SN Ia
,
2022jlh [ATLAS22nqi]
RA, DEC:19:23:41.245, -55:03:25.15
(290.921853, -55.056987)
Redshift:0.09
Type:SN Ia
This report includes classifications of 3 Type Ia's, a Type II, a young type IIb and an AGN at z=0.14.
Released: 2022-05-06 10:50:08
ePESSTO+ spectroscopic classification of optical transients
M. Dennefeld (IAP, Sorbonne U), N.Ihanec, M. Gromadzki (Warsaw), X. Sheng (Birmingham), T. Killestein (Warwick), D. O...
Source Group: ePESSTO+
Related Objects:
2022fzy [ATLAS22kqn]
RA, DEC:15:14:35.500, -53:00:10.66
(228.647917, -53.002961)
Redshift:0.005
Type:SN Ib
,
2022hru [ATLAS22mgd]
RA, DEC:19:51:48.409, -09:47:33.33
(297.951705, -9.792591)
Redshift:0.045
Type:SN II
,
2022ifn [ZTF22aahieds]
RA, DEC:16:25:17.106, +08:14:50.96
(246.321277, 8.247489)
Redshift:0.051
Type:SN Ia
,
2022izg [ATLAS22ngb]
RA, DEC:21:37:18.760, -29:24:34.96
(324.328167, -29.409711)
Redshift:0.051
Type:SN Ia
,
2022izq [ZTF22aaibbvy]
RA, DEC:11:31:39.970, -21:03:53.64
(172.916542, -21.064900)
Redshift:0
Type:CV
,
2022jgu [ATLAS22njg]
RA, DEC:18:39:59.530, -39:09:10.80
(279.998043, -39.153000)
Redshift:0
Type:Varstar
,
2022jhn
RA, DEC:20:38:53.117, -05:38:47.17
(309.721320, -5.646435)
Redshift:0.013
Type:SN IIP
,
2022jja [ATLAS22nmd]
RA, DEC:19:04:48.204, -66:53:24.54
(286.200850, -66.890151)
Redshift:0
Type:CV
,
2022jjf [ATLAS22nmj]
RA, DEC:17:17:13.270, -71:20:40.81
(259.305292, -71.344669)
Redshift:0.056
Type:SN Ia-91T-like
,
2022jjt [MASTER OT J090623.58-085140.6]
RA, DEC:09:06:23.521, -08:51:40.80
(136.598006, -8.861333)
Redshift:0
Type:CV
,
2022jkx [ATLAS22nnn]
RA, DEC:13:40:19.497, -23:51:15.63
(205.081238, -23.854341)
Redshift:0.022
Type:SN Ib
This report includes classifications of 11 optical transients: two Type Ia's, one Type Ib one type Ia-91T and four CVs. AT 2022jhn is a Imposter-SN, AT 2022jgu is mostl likely a variable star. Cl...
Released: 2022-05-05 11:42:00
ePESSTO+ spectroscopic classification of optical transients
M. Dennefeld (IAP, Sorbonne U), N.Ihanec, M. Gromadzki (Warsaw), X. Sheng (Birmingham), T. Killestein (Warwick), D. ...
Source Group: ePESSTO+
Related Objects:
2022fli [ATLAS22jyc]
RA, DEC:13:42:41.752, -34:05:30.17
(205.673968, -34.091714)
Redshift:0.025
Type:SN II
,
2022iaz [ZTF22aahedwz]
RA, DEC:12:30:31.315, -19:04:42.13
(187.630478, -19.078370)
Redshift:0.067
Type:SN IIn
,
2022iek [ZTF22aahgubb]
RA, DEC:10:41:16.040, +06:21:30.92
(160.316833, 6.358589)
Redshift:0.021
Type:SN II
,
2022irt [ATLAS22nda]
RA, DEC:12:27:12.574, +00:55:40.05
(186.802391, 0.927792)
Redshift:0.097
Type:SN Ia
,
2022irr [ATLAS22ncg]
RA, DEC:12:56:44.299, -19:30:58.75
(194.184580, -19.516319)
Redshift:0.075
Type:SN Ia
,
2022jdv [ZTF22aaidexf]
RA, DEC:15:11:00.867, +05:58:18.00
(227.753612, 5.971666)
Redshift:0.075
Type:SN Ia-91T-like
,
2022iwt [ATLAS22new]
RA, DEC:23:26:37.420, -81:54:28.55
(351.655917, -81.907931)
Redshift:0.012
Type:SN II
,
2022fzy [ATLAS22kqn]
RA, DEC:15:14:35.500, -53:00:10.66
(228.647917, -53.002961)
Redshift:0.005
Type:SN Ib
,
2022ivt [Ric7-2022ivtGBObs]
RA, DEC:13:36:25.470, +07:22:37.70
(204.106125, 7.377139)
Redshift:
Type:
This report includes classifications of 3 Type Ia's, 4 Type II's. Observations of AT2022ivt was attempted, however the transient was not seen in the acquisition image. Similarly AT2022fzy was atte...
Released: 2022-05-04 22:01:32
Reclassification of AT 2022czy as a Tidal Disruption Event
Peter K. Blanchard (CIERA/Northwestern), Kyle Davis, Maria Jose Bustamante-Rosell (UCSC), K. Decker French (UIUC), V....
Related Objects:
2022czy
RA, DEC:12:22:01.130, +16:59:44.02
(185.504708, 16.995561)
Redshift:0.109
Type:TDE
Related Notes:
The Young Supernova Experiment (YSE) reports the reclassification of AT 2022czy as a tidal disruption event.
Released: 2022-05-02 23:35:21
YSE Spectroscopic Classification of Transients with GMOS
Wynn Jacobson-Galán (UCB), Matthew Siebert (UCSC), Ryan Foley (UCSC), Charles Kilpatrick (Northwestern), on behalf of...
Related Objects:
2022ewj [PS22dbj]
RA, DEC:10:46:34.616, +13:45:17.03
(161.644233, 13.754731)
Redshift:0.010134
Type:SN IIP
,
2022ewh [ATLAS22jfw]
RA, DEC:11:07:46.255, -46:32:40.73
(166.942730, -46.544647)
Redshift:0
Type:CV
,
2022fmg [PS22cpo]
RA, DEC:12:55:01.544, +02:39:34.07
(193.756433, 2.659465)
Redshift:0.169
Type:SN IIn
,
2022fcr [PS22cka]
RA, DEC:14:44:54.697, -07:56:47.18
(221.227906, -7.946440)
Redshift:0.117
Type:SN Ia
,
2022ffv [ASASSN-22dy]
RA, DEC:03:36:29.715, -35:17:21.59
(54.123815, -35.289330)
Redshift:0.006
Type:SN Ia
,
2022fks [PS22cot]
RA, DEC:12:58:31.151, +02:28:36.32
(194.629794, 2.476757)
Redshift:0.064527
Type:SN I
,
2022dbp [PS22blx]
RA, DEC:11:54:00.319, +19:57:32.21
(178.501328, 19.958949)
Redshift:0.054
Type:SN II
,
2022ctn [PS22biq]
RA, DEC:15:27:38.600, +09:57:50.34
(231.910832, 9.963983)
Redshift:0.127
Type:SN Ia
,
2022btc [PS22avy]
RA, DEC:12:56:47.333, +05:53:56.99
(194.197220, 5.899164)
Redshift:0.055
Type:SN IIP
,
2022hql [ZTF22aafsqud]
RA, DEC:13:48:06.211, +12:04:29.87
(207.025880, 12.074963)
Redshift:0.023
Type:SN II
,
2022hss [PS22dkl]
RA, DEC:12:25:38.390, +07:11:33.00
(186.409958, 7.192500)
Redshift:0.025
Type:SN II
,
2022gzg [PS22dem]
RA, DEC:12:43:37.526, +01:23:03.78
(190.906359, 1.384383)
Redshift:0.088808
Type:SN Ibn
The Young Supernova Experiment (YSE) collaboration reports the classification of 6 optical transients using the Gemini GMOS-S: 2 type II, 2 type Ia, 1 SN I, and 1 SN IIn. We also share new spectra ...
Released: 2022-04-01 13:29:40
ePESSTO+ spectroscopic classification of optical transients
T. Moore, K. W. Smith, M. Fulton, S. Srivastav (QUB), T. Müller (Southampton), N. Ihanec (Warsaw), T. Reynolds, C. Gu...
Source Group: ePESSTO+
Related Objects:
2022fcn [ATLAS22jqv]
RA, DEC:11:07:01.795, +03:02:15.71
(166.757477, 3.037697)
Redshift:0.06
Type:SN Ia
This report includes the classification of 1 Type Ia. We encourage follow-up observations.
Released: 2022-03-30 15:09:26
ePESSTO+ spectroscopic classification of optical transients
K. W. Smith, T. Moore, M. Fulton, S. Srivastav (QUB), T. Müller (Southampton), N. Ihanec (Warsaw), T. Reynolds, C. G...
Source Group: ePESSTO+
Related Objects:
2022fcx [ASASSN-22dx]
RA, DEC:21:10:57.326, -69:00:11.64
(317.738857, -69.003233)
Redshift:0.04
Type:SN Ia
,
2022ffv [ASASSN-22dy]
RA, DEC:03:36:29.715, -35:17:21.59
(54.123815, -35.289330)
Redshift:0.006
Type:SN Ia
,
2022fjt [ATLAS22jvu]
RA, DEC:20:11:20.136, -75:18:22.03
(302.833899, -75.306120)
Redshift:0
Type:CV
This report includes classifications of 2 Type Ia's and a CV.
Released: 2022-03-23 18:55:18
ePESSTO+ spectroscopic classification of optical transients
T. Moore, S. Srivastav, K. W. Smith, M. Fulton, S. J. Smartt (QUB), S. Benetti (INAF-OAPd), C. Gutiérrez (Turku), K. ...
Source Group: ePESSTO+
Related Objects:
2021agrk [Gaia21ftu]
RA, DEC:16:31:36.210, +13:38:14.93
(247.900875, 13.637481)
Redshift:0.026
Type:SN II
,
2022dkw [ATLAS22hmu]
RA, DEC:14:35:50.295, +24:40:58.20
(218.959564, 24.682832)
Redshift:0.036
Type:SN IIn
,
2022dlf [PS22bqs]
RA, DEC:13:24:06.914, -00:41:34.50
(201.028807, -0.692916)
Redshift:0.092
Type:SN Ia-91T-like
,
2022dsu [ZTF22aabwvra]
RA, DEC:14:05:30.767, +15:43:15.52
(211.378195, 15.720978)
Redshift:0.07
Type:SN Ia-91bg-like
,
2022efq [ZTF18aajdxnf]
RA, DEC:16:40:08.257, +29:32:21.32
(250.034405, 29.539256)
Redshift:0.072
Type:SN Ia
,
2022ehu [ATLAS22ijd]
RA, DEC:20:17:04.020, -47:46:21.25
(304.266750, -47.772569)
Redshift:0.018
Type:SN Ia
,
2022eml [ATLAS22iqb]
RA, DEC:10:28:26.131, -34:28:22.63
(157.108877, -34.472951)
Redshift:0.043
Type:SN Ia
,
2022enc [ATLAS22ire]
RA, DEC:14:43:15.783, -38:23:54.71
(220.815763, -38.398530)
Redshift:0.04
Type:SN Ia
,
2022epu [ATLAS22ivc]
RA, DEC:15:14:46.047, +31:13:25.08
(228.691862, 31.223633)
Redshift:0.031
Type:SN Ic
,
2022eqb [PS22cap]
RA, DEC:13:29:05.920, -04:54:21.72
(202.274668, -4.906033)
Redshift:0.06
Type:SN Ic-BL
,
2022eti [ATLAS22jac]
RA, DEC:12:48:10.347, +19:45:49.10
(192.043112, 19.763638)
Redshift:0.07
Type:SN II
,
2022etm [ATLAS22jcb]
RA, DEC:13:34:22.993, +22:06:49.05
(203.595804, 22.113626)
Redshift:0.127
Type:SN Ia-91T-like
,
2022exs [ATLAS22jiy]
RA, DEC:07:54:24.601, -63:00:41.88
(118.602504, -63.011632)
Redshift:0.015
Type:SN Ib
,
2022exu [MASTER OT J211801.64-225027.0]
RA, DEC:21:18:01.705, -22:50:27.80
(319.507103, -22.841054)
Redshift:0.026
Type:SN Ia
,
2022eyk [ATLAS22jks]
RA, DEC:19:28:35.420, -58:46:14.77
(292.147583, -58.770769)
Redshift:0.016
Type:SN II
,
2022eyu [ATLAS22jlk]
RA, DEC:11:34:49.356, +11:15:12.51
(173.705651, 11.253475)
Redshift:0.036
Type:SN II
This report includes classifications of 5 Type Ia's, 2 Type Ia-91T's, 1 Type Ia-91bg, 3 Type II's, 1 Type IIn, 1 Type Ib, 1 Type Ic, 1 Type Ic-BL and 1 probable SN. We encourage follow-up observati...
Released: 2022-03-22 16:31:19
ePESSTO+ spectroscopic classification of optical transients
S. Srivastav, T. Moore, M. Fulton, K. W. Smith (QUB), S. Benetti (INAF-OAPd), C. Gutiérrez (Turku), K. Medler (LJMU),...
Source Group: ePESSTO+
Related Objects:
2022bqc [ATLAS22fdy]
RA, DEC:10:58:27.271, +24:22:23.02
(164.613629, 24.373060)
Redshift:0.02
Type:SN IIP
,
2022emm [PS22byj]
RA, DEC:11:34:54.606, +23:26:13.31
(173.727527, 23.437029)
Redshift:0.035
Type:SN Ic
,
2022exi [ATLAS22jie]
RA, DEC:10:35:46.089, +23:19:12.22
(158.942039, 23.320062)
Redshift:0.042
Type:SN Ib
,
2022exo [ATLAS22jis]
RA, DEC:10:34:45.478, -02:21:38.68
(158.689491, -2.360745)
Redshift:0.06
Type:SN Ia
This report includes 4 classifications: an SNIa, an SNIb, an SNIc and an SNII. We encourage follow-up observations.
Released: 2022-03-21 16:20:49
ePESSTO+ spectroscopic classification of optical transients
T. Moore, S. Srivastav, K. W. Smith, M. Fulton (QUB), S. Benetti (INAF-OAPd), C. Gutiérrez, (Turku), K. Medler (LJMU)...
Source Group: ePESSTO+
Related Objects:
2022eof [ATLAS22imx]
RA, DEC:10:04:05.898, -13:34:05.46
(151.024575, -13.568182)
Redshift:0.061
Type:SN Ia
,
2022ete [ATLAS22jfx]
RA, DEC:19:39:06.060, -01:23:25.69
(294.775250, -1.390469)
Redshift:0
Type:CV
,
2022ewf [ATLAS22jcp]
RA, DEC:09:09:20.270, -87:08:28.32
(137.334458, -87.141200)
Redshift:0.02
Type:SN Ia
,
2022ewg [ATLAS22jcj]
RA, DEC:12:48:09.620, -43:39:39.53
(192.040083, -43.660981)
Redshift:0.009
Type:SN Ia
,
2022ewh [ATLAS22jfw]
RA, DEC:11:07:46.255, -46:32:40.73
(166.942730, -46.544647)
Redshift:0
Type:CV
,
2022eww [ATLAS22jgz]
RA, DEC:06:11:49.879, -17:07:35.98
(92.957827, -17.126660)
Redshift:0.06
Type:SN Ia
,
2022ewx [ATLAS22jha]
RA, DEC:15:59:21.160, -33:05:09.17
(239.838167, -33.085881)
Redshift:0.042
Type:SN Ia
,
2022ewy [ATLAS22jhc]
RA, DEC:05:27:05.920, +05:42:47.41
(81.774667, 5.713169)
Redshift:0.028
Type:SN II
,
2022exb [ATLAS22jhr]
RA, DEC:12:32:43.139, -30:13:35.90
(188.179747, -30.226639)
Redshift:0.06
Type:SN Ia
,
2022exf [ATLAS22jhz]
RA, DEC:14:49:19.692, +23:08:48.19
(222.332052, 23.146721)
Redshift:0.036
Type:SN II
,
2022exl [ATLAS22jho]
RA, DEC:18:06:43.913, +15:21:18.53
(271.682970, 15.355148)
Redshift:0
Type:CV
This report includes classifications of 6 Type Ia's, 2 Type II's and 3 CVs. We encourage follow-up observations.
Released: 2022-03-13 18:26:12
ePESSTO+ spectroscopic classification of optical transients
T. Moore, M. Fulton, S. Srivastav, M. McCollum (QUB), T. Killestein (Warwick), C. Evans (Cardiff), T. Kravtsov (Turku...
Source Group: ePESSTO+
Related Objects:
2022arb [ATLAS22dls]
RA, DEC:10:24:10.331, -00:49:22.79
(156.043047, -0.822998)
Redshift:0.062
Type:TDE
,
2022dbr [ATLAS22gwx]
RA, DEC:14:33:47.014, +18:51:46.34
(218.445891, 18.862871)
Redshift:0.076
Type:SN Ia
,
2022doi [ZTF22aabwyco]
RA, DEC:15:07:40.342, +21:22:29.54
(226.918090, 21.374871)
Redshift:0.092
Type:SN Ia
,
2022eej [ZTF22aactvjs]
RA, DEC:15:39:14.524, +07:07:18.41
(234.810518, 7.121781)
Redshift:0.079
Type:SN Ia
,
2022eny [ATLAS22itb]
RA, DEC:13:47:37.687, -25:16:57.23
(206.907031, -25.282564)
Redshift:0.06
Type:SN Ia
,
2022erw [ATLAS22iye]
RA, DEC:10:50:57.780, -02:08:59.28
(162.740750, -2.149800)
Redshift:0.015
Type:SN Ia
This report includes the classifications of 5 Type Ia's and 1 potential TDE. We encourage follow-up observations.
Released: 2022-03-12 16:11:29
ePESSTO+ spectroscopic classification of optical transients
M. Fulton, S. Srivastav, T. Moore, J. Gillanders, (QUB), C. Gutiérrez, (Turku), T. Killestein (Warwick), C. Evans (Ca...
Source Group: ePESSTO+
Related Objects:
2022ara [ATLAS22dlm]
RA, DEC:11:24:29.300, -06:03:34.57
(171.122084, -6.059603)
Redshift:0.064
Type:SN Ib
,
2022dfh [ATLAS22hcj]
RA, DEC:12:34:32.040, +14:53:45.85
(188.633501, 14.896070)
Redshift:0.064
Type:SN IIn
,
2022eeo [ZTF22aacrtxl]
RA, DEC:11:32:38.092, -05:09:04.46
(173.158719, -5.151239)
Redshift:0.115
Type:SN Ib/c
,
2022eqi [ATLAS22ivl]
RA, DEC:11:00:07.814, -07:21:58.65
(165.032557, -7.366291)
Redshift:0.063
Type:SN Ia
,
2022dsn [ZTF22aacdlkc]
RA, DEC:13:07:22.406, +19:21:16.64
(196.843358, 19.354622)
Redshift:0.08
Type:SN Ia
,
2021achc [ZTF21aciubsk]
RA, DEC:18:05:48.554, +07:52:23.29
(271.452308, 7.873136)
Redshift:0
Type:
,
2022dko [PS22bqj]
RA, DEC:13:07:48.729, +04:16:54.44
(196.953039, 4.281789)
Redshift:0.07
Type:SN Ia
This report includes classifications of 3 Type Ia's, 1 Type IIn and I Type Ib/c. AT2021achc likely has a stellar origin. We confirm the classification of SN2022ara by ZTF as a Type Ib. We encourag...
Released: 2022-03-10 17:43:46
ePESSTO+ spectroscopic classification of optical transients
S. Srivastav, M. Fulton, T. Moore, J. Gillanders, (QUB) S. Benetti (INAF-OAPd), (C. Gutiérrez, Turku), T. Killestein ...
Source Group: ePESSTO+
Related Objects:
2022eay [ATLAS22igd]
RA, DEC:03:45:45.101, -66:24:28.22
(56.437920, -66.407838)
Redshift:0.06
Type:SN Ia
,
2022eoa [ATLAS22itp]
RA, DEC:12:29:57.573, +29:05:45.64
(187.489886, 29.096011)
Redshift:0.061
Type:SN Ia
,
2022eia [ATLAS22ijq]
RA, DEC:13:31:39.915, -43:32:15.37
(202.916311, -43.537604)
Redshift:0.067
Type:SN Ia
,
2022emx [PS22byl]
RA, DEC:12:02:26.292, +17:11:29.16
(180.609552, 17.191433)
Redshift:0.07
Type:SN I
This report includes classifications of 3 Type Ia's and 1 Type I SN. We encourage followup observations.
Released: 2022-03-09 16:36:07
ePESSTO+ spectroscopic classification of optical transients
S. Srivastav, M. Fulton, T. Moore, J. Gillanders, (QUB) S. Benetti (INAF-OAPd), T. Killestein (Warwick), C. Evans (C...
Source Group: ePESSTO+
Related Objects:
2022eji [PS22bwj]
RA, DEC:08:10:25.220, +34:00:15.70
(122.605083, 34.004361)
Redshift:0.017
Type:SN IIb
,
2022csn [ZTF22aabimec]
RA, DEC:07:28:54.930, +26:53:49.31
(112.228875, 26.897031)
Redshift:0.148
Type:TDE-H-He
,
2022een [ZTF22aacrwal]
RA, DEC:11:26:36.789, +18:34:11.55
(171.653289, 18.569875)
Redshift:0.07
Type:SN Ia-91T-like
,
2022emz [ATLAS22iqz]
RA, DEC:15:20:45.891, -36:56:12.18
(230.191212, -36.936717)
Redshift:0.015
Type:SN IIb
,
2022enb [ATLAS22irb]
RA, DEC:12:35:39.001, -28:18:17.54
(188.912504, -28.304872)
Redshift:0.028
Type:SN Ia-91T-like
,
2022dqp [ATLAS22hvz]
RA, DEC:14:24:46.067, +16:43:21.12
(216.191945, 16.722534)
Redshift:0.05
Type:SN Ia-91T-like
This report includes classifications of 3 Type Ia's, 2 Type IIb's and 1 Type I SLSN. SN 2022csn is a Type I SLSN showing O II lines. SN 2022eji shows broad He I, weak H-alpha and possible He II. Th...
Released: 2022-03-04 01:08:38
ZTF discovery of the nearby transient candidate ZTF22aacyiqk / AT 2022ebw
A. Munoz-Arancibia (MAS/CMM), L. Hernandez-Garcia (MAS/UV), F. Forster (CMM/MAS), F.E. Bauer (UC/MAS), G. Pignata (UN...
Source Group: ZTF
Keywords: Transient
Related Objects:
2022ebw [ZTF22aacyiqk]
RA, DEC:12:40:00.687, +61:36:31.43
(190.002863, 61.608731)
Redshift:
Type:
We report the discovery of ZTF22aacyiqk / AT 2022ebw, a nearby transient candidate in the galaxy NGC 4605 (z=0.000454) reported by the ALeRCE broker (TNS #138925) using the ZTF public alert stream....
Released: 2022-03-02 16:11:36
ePESSTO+ spectroscopic classification of optical transients
M. Fulton, K. W. Smith, T. Moore, S. Srivastav (QUB), K. Matilainen (Turku), A. Reguitti (UNAB), N. Elias-Rosa, S. Be...
Source Group: ePESSTO+
Related Objects:
2022dqo [ATLAS22hvy]
RA, DEC:10:56:58.329, -44:14:43.90
(164.243038, -44.245528)
Redshift:0.06
Type:SN Ia
,
2022dde [PS22bms]
RA, DEC:13:25:46.452, +27:29:55.61
(201.443551, 27.498782)
Redshift:0.072
Type:SN Ia
,
2022ddo [ATLAS22hbe]
RA, DEC:13:35:03.452, +00:35:12.69
(203.764383, 0.586858)
Redshift:0.088
Type:SN Ia
,
2022btu [ATLAS22fmz]
RA, DEC:12:54:14.440, -24:26:02.22
(193.560167, -24.433950)
Redshift:0.01
Type:SN II
,
2022dsb [ASASSN-22cs]
RA, DEC:15:42:21.743, -22:40:14.04
(235.590594, -22.670566)
Redshift:0.023
Type:TDE
,
2022czy [ATLAS22gtw]
RA, DEC:12:22:01.130, +16:59:44.02
(185.504708, 16.995561)
Redshift:0.109
Type:TDE
This report includes classifications of 3 Type Ia's and 1 Type II, 1 SLSN and 1 TDE. 2022czy has a blue continuum and is potentially a SLSN. 2022dsb is a TDE. We encourage followup observations.
Released: 2022-03-01 16:15:42
ePESSTO+ spectroscopic classification of optical transients
K. W. Smith, M. Fulton, T. Moore, S. Srivastav (QUB), K. Matilainen (Turku), A. Reguitti (UNAB), N. Elias-Rosa, S. Be...
Source Group: ePESSTO+
Related Objects:
2022cbw [ATLAS22fvl]
RA, DEC:03:45:04.449, -53:23:43.72
(56.268539, -53.395479)
Redshift:0.039
Type:SN Ia
,
2022cvt [ZTF18aasypqx]
RA, DEC:14:18:45.606, +22:21:56.12
(214.690024, 22.365589)
Redshift:0.073
Type:SN Ia-91T-like
,
2021ahpl [PS22bca]
RA, DEC:15:15:57.940, -19:17:31.96
(228.991417, -19.292211)
Redshift:0.051
Type:SLSN-I
,
2022cvz [ZTF22aabomyi]
RA, DEC:11:45:57.026, +05:51:41.47
(176.487606, 5.861518)
Redshift:0.188
Type:SLSN-II
,
2022djz [ATLAS22hmj]
RA, DEC:12:48:39.777, +04:02:12.05
(192.165736, 4.036681)
Redshift:0.081
Type:SN Ia
,
2022dlk [ATLAS22hnl]
RA, DEC:14:55:29.447, -18:52:13.49
(223.872694, -18.870414)
Redshift:0.07
Type:SN Ia
,
2022dmf [ATLAS22hoi]
RA, DEC:14:06:58.655, -39:06:13.25
(211.744394, -39.103680)
Redshift:0.03
Type:SN Ia
This report includes classifications of 5 Type Ia's, 1 SLSN-I and 1 SLSN-II. SN 2022cvz is likely a SLSN II, whereas SN 2021ahpl is a candidate SLSN-I. We encourage followup observations.
Released: 2022-02-27 15:39:29
ePESSTO+ spectroscopic classification of optical transients
M. Fulton, K. W. Smith, S. Srivastav, T. Moore (QUB), K. Matilainen (Turku), A. Reguitti (UNAB), N. Elias-Rosa, S. B...
Source Group: ePESSTO+
Related Objects:
2022bxh [ATLAS22fpt]
RA, DEC:09:18:25.305, -18:53:37.36
(139.605439, -18.893712)
Redshift:0.05
Type:SN Ia
,
2022cvl [ZTF22aabnzsk]
RA, DEC:13:19:48.639, +22:52:10.84
(199.952661, 22.869678)
Redshift:0.023
Type:SN Ib
,
2022cto [ATLAS22gdl]
RA, DEC:15:44:03.474, -33:01:57.60
(236.014474, -33.032668)
Redshift:0.041
Type:SN II
,
2022cvu [ATLAS22gfe]
RA, DEC:15:46:20.860, +00:12:16.76
(236.586917, 0.204654)
Redshift:0.032
Type:SN II
,
2022cuy [ZTF22aaaxkar]
RA, DEC:16:44:57.699, -08:15:02.59
(251.240413, -8.250721)
Redshift:0.02
Type:SN Ia
,
2022crb [ZTF22aabgcko]
RA, DEC:17:14:04.927, -00:16:14.39
(258.520530, -0.270664)
Redshift:0.03
Type:SN Ia
This report includes classifications of 3 Type Ia's, 2 Type II's and a Type Ib. 2022cvu (z = 0.032) shows a blue, featureless spectrum. We encourage followup observations.
Released: 2022-02-24 13:47:32
Spectroscopic classification of SN 2022ccz
S. Taubenberger, S. H. Suyu, R. Cañameras, C. Vogl, Y. Shu, S. Schuldt (MPA/TUM Garching), A. Goobar, A. Sagues Carra...
Related Objects:
2022ccz [ZTF22aaajqyk]
RA, DEC:13:19:57.762, +63:09:39.88
(199.990674, 63.161078)
Redshift:0.14
Type:SN Ia
Related Notes:
We have obtained an optical spectrum of SN 2022ccz, which shows it to be a Type Ia supernova close to maximum light.
Released: 2022-02-24 08:54:40
AT 2022bdw as a Possible Tidal Disruption Event
Iair Arcavi, Yael Dgany (Tel Aviv University), Craig Pellegrino (Las Cumbres / UCSB)
Source Group: StarDestroyers
Related Objects:
2022bdw [ZTF22aaahtqz]
RA, DEC:08:25:10.360, +18:34:57.50
(126.293167, 18.582639)
Redshift:0.03782
Type:TDE
We report the classification of AT 2022bdw as a possible tidal disruption event, but can not rule out an unusual SN II classification.
Released: 2022-02-23 15:26:22
ePESSTO+ spectroscopic classification of optical transients
A. Aamer (Birmingham), D. O'Neill, T. Killestein (Warwick), X. Sheng, M. Nicholl (Birmingham), J. Lyman (Warwick...
Source Group: ePESSTO+
Related Objects:
2022cca [ZTF22aaahuly]
RA, DEC:09:09:10.355, -03:51:57.41
(137.293147, -3.865947)
Redshift:0.042
Type:SN Ic-BL
,
2022and [ATLAS22cwl]
RA, DEC:10:00:06.613, +03:45:25.71
(150.027554, 3.757143)
Redshift:0.043
Type:SN II
,
2022cqx [ZTF22aabdvnv]
RA, DEC:10:10:38.253, +16:41:06.51
(152.659387, 16.685141)
Redshift:0.018
Type:SN Ib
,
2022cej [ZTF22aaafcvd]
RA, DEC:12:12:19.930, +08:05:12.76
(183.083043, 8.086877)
Redshift:0.07
Type:SN Ia
,
2022byj [ZTF22aaafbrd]
RA, DEC:13:11:06.128, -08:12:00.90
(197.775533, -8.200250)
Redshift:0.1
Type:SN Ia
,
2022bsc [PS22aug]
RA, DEC:13:50:52.089, +08:46:58.45
(207.717039, 8.782903)
Redshift:0.06
Type:SN Ia
,
ZTF22aaboeyu
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF22aaboeyu
This report includes classifications of 1 Type Ic-BL, 1 Type II, 1 Type Ib and 4 Type Ia Supernova. We encourage followup observations.
Released: 2022-02-21 21:24:09
AT 2022dbl is a Nearby Rising Tidal Disruption Event in an E+A Galaxy
Iair Arcavi, Yael Dgany, Lydia Makrygianni (Tel Aviv University), Craig Pellegrino (Las Cumbres / UCSB)
Source Group: StarDestroyers
Related Objects:
2022dbl [ASASSN-22ci]
RA, DEC:12:20:45.010, +49:33:04.68
(185.187540, 49.551300)
Redshift:0.0284
Type:TDE
,
2019ahk [ASASSN-19bt]
RA, DEC:07:00:11.546, -66:02:24.14
(105.048110, -66.040040)
Redshift:0.0262
Type:TDE
We report the classification of AT 2022dbl / ASASSN-22ci (originally reported as AT 2018mac / ZTF18aabdajx) as a TDE.
Released: 2022-02-21 14:21:57
ePESSTO+ spectroscopic classification of optical transients
T. Killestein (Warwick), A. Aamer (Birmingham), M. Fulton (QUB), D. O'Neill, J. Lyman (Warwick), X. Sheng, M. Ni...
Source Group: ePESSTO+
Related Objects:
2022cma [ZTF22aaagqyx]
RA, DEC:04:54:21.314, -14:19:55.68
(73.588808, -14.332134)
Redshift:0.056
Type:SN Ia
,
2022ctp [ZTF22aaazhly]
RA, DEC:04:58:57.857, -15:58:18.03
(74.741072, -15.971674)
Redshift:0.06
Type:SN Ia
,
2022cvp [ZTF22aabjpii]
RA, DEC:14:44:30.509, +18:44:03.69
(221.127119, 18.734357)
Redshift:0.044
Type:SN II
,
2022cbz [ZTF22aaaivxh]
RA, DEC:11:14:37.576, -07:44:40.21
(168.656565, -7.744504)
Redshift:0.075
Type:SN Ia
,
2022buw [PS22axs]
RA, DEC:08:16:17.063, -00:51:35.10
(124.071094, -0.859751)
Redshift:0.085
Type:SN Ia
This report includes classifications of 4 Type Ia SNe, and 1 featureless blue transient. We encourage followup observations.
Released: 2022-02-21 04:03:17
ZTF Discovery of ZTF22aabjpxh (AT2022cva): a Rapidly Fading Transient with a Likely Long-GRB Counterpart
Anna Y. Q. Ho (UCB), Daniel Perley (LJMU), Igor Andreoni (JSI), Mansi Kasliwal (Caltech), Dmitry Svinkin (Ioffe Insti...
Source Group: ZTF
Related Objects:
2022cva [ZTF22aabjpxh]
RA, DEC:16:03:39.350, +31:14:04.72
(240.913958, 31.234644)
Redshift:
Type:
We report the discovery of ZTF22aabjpxh (AT2022cva), a rapidly fading optical transient that is the likely afterglow to a long-duration GRB detected by Konus-Wind. The photometric redshift of the h...
Released: 2022-02-17 00:49:40
Near-Infrared spectroscopy of AT 2022cmc with Keck/NIRES
Samaporn Tinyanont (UCSC), Charles D. Kilpatrick (Northwestern), Ryan J. Foley (UCSC)
Keywords: Transient
Related Objects:
2022cmc [ZTF22aaajecp]
RA, DEC:13:34:43.207, +33:13:00.54
(203.680029, 33.216817)
Redshift:
Type:
Related Notes: , ,
We report near-infrared (NIR) spectroscopy of AT 2022cmc obtained on 2022 Feb 16 15:22 UT, using the Near-Infrared Echellette Spectrometer (NIRES) on the Keck II telescope. The spectrum has low SNR...
Released: 2022-02-15 19:01:02
Kinder follow-up observations of AT 2022cmc (ZTF22aaajecp)
T.-W. Chen (Stockholm), S. J. Brennan (UCD), S. Yang (Stockholm), Y.-C. Pan, C.-C. Ngeow, H.-Y. Hsiao, C.-S. Lin, W.-...
Source Group: Kinder
Keywords: Transient
Related Objects:
2022cmc [ZTF22aaajecp]
RA, DEC:13:34:43.207, +33:13:00.54
(203.680029, 33.216817)
Redshift:
Type:
Related Notes: ,
We observed AT 2022cmc (ZTF22aaajecp) with the 0.4m-SLT at Lulin Observatory, Taiwan on 2022-02-14. The object was detected in g = 20.303 +/- 0.56 mag, i = 19.83 +/- 0.38 mag, and r > 20.04 mag.

Pages

Most Viewed

Released: 2022-07-16
Views Count: 6140
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 ...
Released: 2023-05-23
Views Count: 5587
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...
Released: 2023-05-19
Views Count: 5095
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)
Released: 2020-05-07
Views Count: 2704
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
Released: 2020-04-22
Views Count: 2390
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...
Released: 2023-05-22
Views Count: 2373
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...
Released: 2023-10-11
Views Count: 2372
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
Released: 2019-12-31
Views Count: 2213
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...
Released: 2020-06-25
Views Count: 2145
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...
Released: 2020-03-30
Views Count: 2019
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

Recent Released Tools

Released: 2024-10-03
Views Count: 305
Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michael Rich (UCLA), Emanuele Daddi (CEA Saclay), Michelle Collins (Surrey),...
Released: 2024-06-27
Views Count: 179
An Upcoming ZTF Experiment: Extended Deep-drilling Observations in the Galactic Plane
Zach Vanderbosch (Caltech), Paula Szkody (UW/Seattle), Tom Prince (Caltech), Eric Bellm (UW/Seattle), Ilaria Caiazzo (ISTA), An...