AstroNotes

Primary tabs

Showing results 201 to 250 out of 363

Pages

Released: 2019-12-31 11:27:14
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. Pastorello (INAF),...
Source Group: ePESSTO+
Related Objects:
2019xis
RA, DEC:05:36:13.700, -69:16:24.70
(84.057083, -69.273528)
Redshift:0.0009
Type:Light-Echo
,
1987A
RA, DEC:05:35:27.989, -69:16:11.50
(83.866620, -69.269860)
Redshift:
Type:SN IIP
Related Notes:
We report the re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
Released: 2019-12-29 18:04:10
ePESSTO+ spectroscopic classification of optical transients
T. Müller Bravo (Southampton), J. Antilen (U de Chile), P. Wiseman, M. Grayling, M. Smith (Southampton), C. Frohmaie...
Source Group: ePESSTO+
Related Objects:
2019yhq [PS19ihx]
RA, DEC:04:54:10.525, +06:03:43.66
(73.543853, 6.062129)
Redshift:0.054
Type:SN II
,
2019yvr [ATLAS19benc]
RA, DEC:12:45:08.135, -00:27:32.83
(191.283897, -0.459120)
Redshift:0.005
Type:SN Ib
This report includes classifications of one SN II (SN2019yhq), and one SN Ib (SN2019yvr) around maximum brightness. SN2019yvr is a nearby SN, located in the galaxy NGC 4666 (26 Mpc).
Released: 2019-12-29 02:15:25
ATLAS19benc (AT2019yvr): discovery of a candidate SN in NGC 4666 (26 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019yvr [ATLAS19benc]
RA, DEC:12:45:08.135, -00:27:32.83
(191.283897, -0.459120)
Redshift:0.005
Type:SN Ib
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-12-28 22:24:33
ePESSTO+ spectroscopic classification of optical transients
J. Antilen (U de Chile), T. Müller Bravo, M. Grayling, M. Smith, P. Wiseman (Southampton), C. Frohmaier (ICG Portsmou...
Source Group: ePESSTO+
Related Objects:
2019wkk [ATLAS19bdbl]
RA, DEC:03:17:10.680, -19:30:18.72
(49.294500, -19.505200)
Redshift:0.032
Type:SN Ia
,
2019xis
RA, DEC:05:36:13.700, -69:16:24.70
(84.057083, -69.273528)
Redshift:0.0009
Type:Light-Echo
,
2019xuo [ATLAS19beby]
RA, DEC:05:59:32.664, -27:01:10.77
(89.886100, -27.019658)
Redshift:
Type:
This report includes classifications of 1 Type Ia SN around peak brightness (SN2019wkk), one Type II SN (SN2019xis) and a transient with a blue continuum (AT2019xuo). SN2019xis is of particular int...
Released: 2019-12-20 13:25:20
ePESSTO+ spectroscopic classification of optical transients
T. Müller Bravo, P. Wiseman, M. Pursiainen (Southampton), T.-W. Chen (Stockholm), M. Fraser (UCD), G. Pignata (UNAB/M...
Source Group: ePESSTO+
Related Objects:
2019xbg [ZTF19adaiyud]
RA, DEC:10:33:08.332, -22:11:21.36
(158.284718, -22.189266)
Redshift:0.08
Type:SN Ia
,
2019xck [ZTF19aczeomw]
RA, DEC:06:28:16.825, +23:36:30.93
(97.070105, 23.608591)
Redshift:0.035
Type:SN Ia
,
2019wyw [ZTF19aczjsqn]
RA, DEC:09:24:07.012, +02:22:07.02
(141.029219, 2.368616)
Redshift:0.089
Type:SN Ia
This report includes classifications of 1 Type Ia SN around peak brightness, and 2 Type Ia SNe about 1 week before peak brightness.
Released: 2019-12-20 02:19:08
ATLAS19bdir (AT2019xdf): discovery of a candidate SN in UGC 05028 (55 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019xdf [ATLAS19bdir]
RA, DEC:09:27:51.857, +68:24:42.69
(141.966071, 68.411860)
Redshift:0.013012
Type:SN II
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-12-19 17:15:21
adH0cc spectroscopic classification of SN 2019wxt
C. Vogl, A. Floers, S. Taubenberger, W. Hillebrandt, S. Suyu (MPA Garching), R. Kotak (Turku), S. J. Smartt, M. Dobso...
Source Group: adH0cc
Related Objects:
2019wxt [PS19hgw]
RA, DEC:01:55:41.941, +31:25:04.55
(28.924753, 31.417929)
Redshift:0.036
Type:SN IIb
Related Notes: , ,
We have obtained an optical spectrum of SN 2019wxt, which shows a blue continuum with weak, broad helium lines superimposed. The spectrum suggests SN 2019wxt to be a young SN Ib or IIb.
Released: 2019-12-19 13:30:23
ePESSTO+ spectroscopic classification of optical transients
T. Müller Bravo, M. Pursiainen, P. Wiseman (Southampton), T.-W. Chen (Stockholm), M. Fraser (UCD), G. Pignata (UNAB/M...
Source Group: ePESSTO+
Related Objects:
2019wxt [PS19hgw]
RA, DEC:01:55:41.941, +31:25:04.55
(28.924753, 31.417929)
Redshift:0.036
Type:SN IIb
This report includes the classification of a blue transient. AT2019wxt shows a blue, relatively featureless continuum with potential broad feature at 5400 - 6200 Angstroms (GCN Circular #26294), an...
Released: 2019-12-18 17:36:18
ePESSTO+ spectroscopic classification of optical transients
T. Müller Bravo, P. Wiseman, M. Pursiainen (Southampton), T.-W. Chen (Stockholm), M. Fraser (UCD), G. Pignata (UNAB/M...
Source Group: ePESSTO+
Related Objects:
2019wku [ATLAS19bdbq]
RA, DEC:05:17:21.476, +12:31:02.56
(79.339485, 12.517376)
Redshift:0.039
Type:SN Ia
,
ZTF19acyihlk
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF19acyihlk
,
2019wmc [ZTF19acyjzeo]
RA, DEC:12:13:51.846, +14:13:15.63
(183.466025, 14.221008)
Redshift:0.05016
Type:SN Ib
,
ZTF19acyfumm
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF19acyfumm
This report includes classifications of 2 Type Ia SNe around maximum brightness (SN2019wku and ZTF19acyihlk), a transient with a blue continuum (AT2019wmc), and a star-forming galaxy (ZTF19acyfumm)...
Released: 2019-12-18 14:46:11
Pan-STARRS Search for Kilonovae: discovery of PS19hgw, an intrinsically faint transient in KUG 0152+311 (144 Mpc)
S, McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. ...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2019wxt [PS19hgw]
RA, DEC:01:55:41.941, +31:25:04.55
(28.924753, 31.417929)
Redshift:0.036
Type:SN IIb
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-12-13 09:20:18
ATLAS19bdcv (AT2019wll): discovery of a candidate supernova in NGC 2717 (30 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019wll [ATLAS19bdcv]
RA, DEC:08:57:07.354, -24:41:38.27
(134.280641, -24.693964)
Redshift:0
Type:CV
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-12-09 15:48:18
ePESSTO+ spectroscopic classification of optical transients
N. Ihanec, M. Gromadzki (Warsaw), T. Wevers (Cambridge), E. Callis (UCD), L. Galbany (UGR), M. Dennefeld (IAP), S. Sr...
Source Group: ePESSTO+
Related Objects:
2019vnk [ATLAS19bavq]
RA, DEC:04:00:43.550, -09:00:01.72
(60.181457, -9.000479)
Redshift:0.06
Type:SN Ia
,
2019wdx [ASASSN-19acx]
RA, DEC:08:23:41.402, +21:26:03.97
(125.922507, 21.434437)
Redshift:0.017155
Type:SN Ia
,
2019wew [ATLAS19bcxj]
RA, DEC:09:26:34.260, -01:39:00.94
(141.642750, -1.650261)
Redshift:0.07
Type:SN Ia
This report includes classifications of three Type Ia's.
Released: 2019-12-08 15:26:15
ePESSTO+ spectroscopic classification of optical transients
N. Ihanec (Warsaw), T. Wevers (Cambridge), E. Callis (UCD), M. Gromadzki (Warsaw), L. Galbany (UGR), M. Dennefeld (IA...
Source Group: ePESSTO+
Related Objects:
2019vrm [ZTF19aculczm]
RA, DEC:00:20:18.301, -05:18:24.99
(5.076255, -5.306942)
Redshift:0.068
Type:SN Ia
,
2019ugq [OGLE19ugq]
RA, DEC:02:37:56.640, -74:59:49.20
(39.486000, -74.997000)
Redshift:0.453
Type:AGN
,
2019wbt [Gaia19fjm]
RA, DEC:07:59:53.730, -50:20:15.36
(119.973875, -50.337600)
Redshift:0.023
Type:SN Ia
,
2019vqc [ASASSN-19abw]
RA, DEC:05:00:47.230, -45:52:24.74
(75.196792, -45.873539)
Redshift:0.049
Type:SN Ia
This report includes classifications of 3 Type Ia's. Additionally, OGLE19ugq is an AGN with broad MgII and Hbeta emission lines at z=0.453 and AT2019vrc was not visible in 30s acquisition image.
Released: 2019-12-07 15:56:06
ePESSTO+ spectroscopic classification of optical transients
T. Wevers (Cambridge), N. Ihanec, M. Gromadzki (Warsaw), E. Callis (UCD), L. Galbany (UGR), M. Dennefeld (IAP), S. Sr...
Source Group: ePESSTO+
Related Objects:
2019voy [ATLAS19bbfl]
RA, DEC:23:40:45.694, -14:59:23.01
(355.190392, -14.989726)
Redshift:0.08
Type:SN Ia
,
2019vrx [ATLAS19bbmb]
RA, DEC:01:24:51.466, -31:45:26.58
(21.214442, -31.757384)
Redshift:0.037
Type:SN II
,
2019vsm [ATLAS19bbnc]
RA, DEC:05:45:05.885, +15:30:37.30
(86.274520, 15.510361)
Redshift:0.04
Type:SN Ia
,
2019wck [ATLAS19bcnt]
RA, DEC:10:40:28.526, -40:06:43.06
(160.118858, -40.111962)
Redshift:0.05
Type:SN Ia
,
2019wcj [OGLE19wcj]
RA, DEC:05:14:28.530, -62:10:13.80
(78.618875, -62.170500)
Redshift:0.01
Type:SN Ia
This report includes classifications of four Type Ia's and one Type II.
Released: 2019-12-06 13:34:53
ePESSTO+ spectroscopic classification of optical transients
T. Wevers (Cambridge), N. Ihanec (Warsaw), E. Callis (UCD), M. Gromadzki (Warsaw), L. Galbany (UGR), M. Dennefeld (I...
Source Group: ePESSTO+
Related Objects:
2019wbx [ATLAS19bcka]
RA, DEC:05:01:49.086, +06:00:26.50
(75.454527, 6.007360)
Redshift:0.066
Type:SN Ia
,
2019vro [ATLAS19bbhx]
RA, DEC:10:41:42.710, +06:11:49.70
(160.427958, 6.197139)
Redshift:0.033
Type:SN Ia
This report includes classifications of three Type Ia's.
Released: 2019-12-05 17:28:53
The Young Supernova Experiment - Survey Announcement and First Discoveries
D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello, C. R. Angus, Z. Ansari, N. Arendse, C. Ga...
Source Group: YSE
Related Objects:
2019wbv
RA, DEC:08:58:45.393, -04:33:56.23
(134.689137, -4.565621)
Redshift:
Type:
,
2019wbw
RA, DEC:10:02:43.193, -08:38:29.13
(150.679971, -8.641425)
Redshift:
Type:
,
2019wby
RA, DEC:07:37:09.812, +42:12:20.68
(114.290882, 42.205745)
Redshift:
Type:
,
2019wbz
RA, DEC:08:55:18.513, -04:20:19.79
(133.827137, -4.338830)
Redshift:
Type:
,
2019wcb
RA, DEC:07:38:00.772, +39:42:26.76
(114.503218, 39.707434)
Redshift:
Type:
,
2019wcc
RA, DEC:07:29:36.088, +42:06:29.41
(112.400365, 42.108170)
Redshift:
Type:
We report the start of the Young Supernova Experiment, a new collaboration between DARK (U Copenhagen; PIs Hjorth and Ramirez-Ruiz), UC Santa Cruz (PIs Foley and Ramirez-Ruiz), U Illinois (PIs Fren...
Released: 2019-12-05 14:58:03
ePESSTO+ spectroscopic classification of optical transients
M. Gromadzki (Warsaw), T. Wevers (Cambridge), N. Ihanec (Warsaw), E. Callis (UCD), L. Galbany (UGR), M. Dennefeld (IA...
Source Group: ePESSTO+
Related Objects:
2019uym [ATLAS19bapx]
RA, DEC:09:49:17.081, -04:06:36.06
(147.321172, -4.110016)
Redshift:0.05
Type:SN Ia
,
2019vut [ATLAS19bced]
RA, DEC:04:40:51.684, -15:59:24.70
(70.215350, -15.990193)
Redshift:0.055
Type:SN Ia
,
2019wcd [ATLAS19bckd]
RA, DEC:10:05:00.210, -04:48:02.12
(151.250875, -4.800589)
Redshift:0.06
Type:SN Ia
This report includes classifications of three Type Ia's.
Released: 2019-12-04 00:01:39
ATLAS19bcjh (AT2019wbg): discovery of a candidate SN in NGC 4045 (32 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019wbg [ATLAS19bcjh]
RA, DEC:12:02:42.711, +01:59:03.40
(180.677964, 1.984277)
Redshift:0.00659
Type:LBV
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-12-02 19:37:10
Pan-STARRS Search for Kilonovae: discovery of intrinsically faint transients in SDSS J075545.25+322423.1 (181 Mpc) and PGC176183 (151 Mpc)
S. Srivastav, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), O. McBrien, D. R. Young, J. Gi...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-11-29 22:36:03
ATLAS19bbmt (AT2019vsb): discovery of a candidate SN in SDSS J125926.59+275954.4 (97 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019vsb [ATLAS19bbmt]
RA, DEC:12:59:26.250, +27:59:50.82
(194.859375, 27.997450)
Redshift:
Type:
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-29 22:34:24
ATLAS19bbmq (AT2019vsa): discovery of a candidate SN in IC 2995 (30 Mpc)
D. O'Neill, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019vsa [ATLAS19bbmq]
RA, DEC:12:05:47.580, -27:56:38.65
(181.448250, -27.944069)
Redshift:0.006102
Type:SN Ia
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-29 15:29:54
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in NGC2273A (32 Mpc)
S. McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. ...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-11-29 15:17:38
ePESSTO+ spectroscopic classification of optical transients
E. Callis (UCD), T. Wevers (Cambridge), N. Ihanec, M. Gromadzki (Warsaw), S. C. Williams (Turku), G. Pignata (UNAB/MA...
Source Group: ePESSTO+
Related Objects:
2019vrq [ASASSN-19aca]
RA, DEC:03:04:21.451, -16:01:26.87
(46.089377, -16.024130)
Redshift:0.013
Type:SN Ia-91T-like
,
2019vjl [ASASSN-19abo]
RA, DEC:09:49:23.697, +01:08:46.78
(147.348738, 1.146329)
Redshift:0.025017
Type:SN II
This report includes classifications of SN 2019vrq as a young supernova Type Ia-91T-like, four days after last non-detection, and SN 2019vjl as a Type II. We encourage followup observations.
Released: 2019-11-28 12:03:38
ePESSTO+ spectroscopic classification of optical transients
T. Wevers (Cambridge), N. Ihanec, M. Gromadzki (Warsaw), E. Callis (UCD), S. C. Williams (Turku), G. Pignata (UNAB/MA...
Source Group: ePESSTO+
Related Objects:
2019vrd [ATLAS19bbhj]
RA, DEC:08:52:22.400, -20:17:31.27
(133.093333, -20.292019)
Redshift:0.052
Type:SN Ia
This report includes classification of SN 2019vrd as supernova Type Ia around week before maximum.
Released: 2019-11-27 16:54:05
ePESSTO+ spectroscopic classification of optical transients
N. Ihanec (Warsaw), T. Wevers (Cambridge), E. Callis (UCD), M. Gromadzki (Warsaw), S. C. Williams (Turku), G. Pignata...
Source Group: ePESSTO+
Related Objects:
2019vch [ATLAS19bard]
RA, DEC:06:45:11.774, -43:43:07.08
(101.299057, -43.718633)
Redshift:0.067
Type:SN Ia
,
2019vqf [ASASSN-19abx]
RA, DEC:06:15:16.954, -45:19:06.38
(93.820640, -45.318440)
Redshift:0.066
Type:SN Ia
,
2019vqd [ATLAS19bayf]
RA, DEC:06:44:41.706, +20:39:52.07
(101.173773, 20.664463)
Redshift:0.04
Type:SN II
This report includes classifications of two Type Ia's and one Type II. SN2019vqd is a young Type II with a blue continuum, showing prominent flash features (Balmer, HeII 4686, NIII 4640, maybe CIV ...
Released: 2019-11-26 22:56:43
ATLAS19bbdm (AT2019vqk): discovery of a candidate supernova in UGC 06664 (95 Mpc)
T.-W. Chen (Stockholm), K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019vqk [ATLAS19bbdm]
RA, DEC:11:42:19.861, +30:13:44.58
(175.582754, 30.229050)
Redshift:
Type:
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-26 11:22:05
ATLAS19bavv (AT2019voo): discovery of a candidate supernova in NGC 4263 (55 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, M. Fulton, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova, Transient
Related Objects:
2019voo [ATLAS19bavv]
RA, DEC:12:19:42.530, -12:13:32.63
(184.927208, -12.225731)
Redshift:0.01391
Type:SN Ia
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-24 11:28:24
Modifications to the TNS treatment of the "Discovery Group" - to be deployed on Dec 2nd, 2019.
Ofer Yaron, Avishay Gal-Yam, Avner Sass (Weizmann)
In order to adapt the TNS for both the present and future needs, and in particular to the activity of transient brokers as significant sources that report discoveries of transients that are observe...
Released: 2019-11-23 15:44:24
ePESSTO+ spectroscopic classification of optical transients
T. Wevers, M. Temple(Cambridge), N. Ihanec (Warsaw), S. Brennan, E. Callis, M.Fraser (UCD), J. Anderson (ESO), T. Mu...
Source Group: ePESSTO+
Related Objects:
2019vaz [ATLAS19baqq]
RA, DEC:05:02:27.140, -21:32:12.37
(75.613083, -21.536769)
Redshift:0.049
Type:SN Ia
This report includes classification of one Type Ia supernovae.
Released: 2019-11-21 16:42:56
ePESSTO+ spectroscopic classification of optical transients
M. Temple, T. Wevers (Cambridge), N. Ihanec (Warsaw), S. Brennan, E. Callis (UCD), C. Gutierrez (Southampton), S. Tau...
Source Group: ePESSTO+
Related Objects:
2019uzg [ZTF19acssnul]
RA, DEC:00:36:33.279, -18:37:40.50
(9.138661, -18.627918)
Redshift:0.0532
Type:Galaxy
,
2019vca [ZTF19acsvqrx]
RA, DEC:04:17:41.149, -03:30:44.03
(64.421454, -3.512231)
Redshift:0.085
Type:SN Ia
This report includes classifications of one Type Ia supernovae, and one other. AT2019uzg is a star forming galaxy with z=0.0532.
Released: 2019-11-21 15:47:15
adH0cc spectroscopic classification of SN 2019uxh
S. J. Smartt, M. Dobson (QUB), C. Vogl, A. Floers, S. Taubenberger, W. Hillebrandt, S. Suyu (MPA Garching), B. Leibun...
Source Group: adH0cc
Related Objects:
2019uxh [PS19gmy]
RA, DEC:22:51:04.988, -11:47:14.95
(342.770782, -11.787486)
Redshift:0.0326
Type:SN II
Related Notes:
We have obtained an optical spectrum of SN 2019uxh, which reveals it to be a young Type II supernova.
Released: 2019-11-20 17:40:43
ePESSTO+ spectroscopic classification of optical transients
N. Ihanec (Warsaw), T. Wevers, M. Temple (Cambridge), E. Callis, S. Brennan (UCD), C. Gutierrez (Southampton), S. Tau...
Source Group: ePESSTO+
Related Objects:
2019umc [ATLAS19balj]
RA, DEC:21:10:51.960, -16:16:52.57
(317.716500, -16.281269)
Redshift:0.037
Type:SN Ia-91T-like
,
2019upw [ATLAS19bala]
RA, DEC:00:26:15.490, +21:48:35.93
(6.564542, 21.809981)
Redshift:0.02
Type:SN Ia
,
2019urn [ZTF19acryaon]
RA, DEC:00:57:49.292, -17:38:26.92
(14.455385, -17.640810)
Redshift:0.06
Type:SN Ia
,
2019qip [ATLAS19vfq]
RA, DEC:06:00:43.177, -09:52:03.71
(90.179905, -9.867697)
Redshift:0
Type:
,
2019uhm [ATLAS19zzz]
RA, DEC:10:28:48.470, -31:29:52.08
(157.201958, -31.497800)
Redshift:0.010377
Type:SN II
,
2019vdf [ZTF19actjohz]
RA, DEC:04:46:14.745, +04:44:21.11
(71.561437, 4.739198)
Redshift:
Type:
,
2019uyy [PS19gno]
RA, DEC:05:27:20.853, -22:41:36.78
(81.836886, -22.693549)
Redshift:
Type:
This report includes classifications of 3 Type Ia supernovae, I Type IIP, and one other. AT2019qip has a red, mainly featureless continuum. Two targets, AT2019vdf and AT2019uyy were not visible in ...
Released: 2019-11-14 23:22:21
ZTF early discovery and rapid follow-up of the infant SN AT2019ust (ZTF19acryurj)
Rachel Bruch, Steve Schulze, Ofer Yaron, Yi Yang (WIS), Mattia Bulla (OKC, Nordita) and Avishay Gal-Yam (WIS) on beha...
Source Group: ZTF
Keywords: Supernova, Transient
Related Objects:
2019ust
RA, DEC:00:54:22.420, +31:40:12.61
(13.593417, 31.670169)
Redshift:0.022035
Type:SN II
Released: 2019-11-13 13:24:16
ATLAS19bala (AT2019upw): discovery of a candidate supernova in NGC 0109 (84 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019upw [ATLAS19bala]
RA, DEC:00:26:15.490, +21:48:35.93
(6.564542, 21.809981)
Redshift:0.02
Type:SN Ia
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-13 13:23:15
ATLAS19bakz (AT2019upv): discovery of a candidate supernova in NGC 4793 (36 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O'Neill, D. R. Young...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019upv [ATLAS19bakz]
RA, DEC:12:54:41.696, +28:56:31.95
(193.673733, 28.942209)
Redshift:0.012
Type:SN II
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-11 10:25:42
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in NGC 2770 (30.1Mpc)
S. McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. ...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2019ukm
RA, DEC:09:09:40.241, +33:06:37.90
(137.417671, 33.110527)
Redshift:
Type:
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-11-07 16:53:53
ePESSTO+ spectroscopic classification of optical transients
D. B. Malesani, P. Charalampopoulos (DTU Space), C. R. Angus, L. Izzo (DARK/NBI), G. Leloudas (DTU Space), P. Pessi (...
Source Group: ePESSTO+
Related Objects:
2019uez [PS19gjm]
RA, DEC:03:24:41.409, -00:40:53.06
(51.172537, -0.681406)
Redshift:0.039
Type:SN II
,
ZTF19acokufi
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF19acokufi
,
2018lqi [ATLAS19wtf]
RA, DEC:02:18:21.952, -25:54:24.47
(34.591469, -25.906797)
Redshift:
Type:
This report includes classifications of 1 Type Ia, 1 Type II and 1 possible SLSN. ZTF19acokufi is a young SN-Ia with shallow silicon absorption, consistent with the 91T-like subclass. SN2019uez is ...
Released: 2019-11-06 22:12:42
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in CGCG 390-084 (163 Mpc)
S. Srivastav, S.McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), O. McBrien, D. R...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2019uez [PS19gjm]
RA, DEC:03:24:41.409, -00:40:53.06
(51.172537, -0.681406)
Redshift:0.039
Type:SN II
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-11-06 18:27:41
ePESSTO+ spectroscopic classification of optical transients
P. Charalampopoulos, D. B. Malesani (DTU Space), L. Izzo (DARK/NBI), G. Leloudas (DTU Space), C. R. Angus (DARK/NBI),...
Source Group: ePESSTO+
Related Objects:
2019tyr [ATLAS19zsz]
RA, DEC:11:22:51.520, -07:35:25.08
(170.714667, -7.590300)
Redshift:0.022
Type:SN Ia
,
2019ufq [ASASSN-19aat]
RA, DEC:23:07:55.027, -57:41:26.56
(346.979280, -57.690710)
Redshift:0.044
Type:SN Ia
,
2019ssi [ZTF19acftfav]
RA, DEC:23:30:56.130, +15:29:29.98
(352.733875, 15.491661)
Redshift:0.013
Type:SN IIP
Related Notes:
This report includes classifications of 2 Type Ia's. We reclassify SN2019ssi as a SN-IIP (previously reported as a SN-IIn from AstroNote 2019-108 / TNS Classification Report No. 5315).
Released: 2019-11-05 20:41:27
Public reports of transients from the Zwicky Transient Facility volume limited experiment
K. De (Caltech), A. Tzanidakis (Caltech), M. M. Kasliwal (Caltech), C. Fremling (Caltech), S. R. Kulkarni (Caltech) ...
Source Group: ZTF
Related Objects:
2019ubs
RA, DEC:02:26:24.110, +28:30:28.55
(36.600458, 28.507931)
Redshift:0.034
Type:SN Ia
,
2019ubr
RA, DEC:06:25:52.312, +64:44:38.40
(96.467966, 64.744000)
Redshift:
Type:
,
2019tyf
RA, DEC:01:14:55.176, -14:27:29.07
(18.729900, -14.458075)
Redshift:
Type:
,
2019tuj
RA, DEC:00:54:40.935, -01:34:30.04
(13.670563, -1.575010)
Redshift:
Type:
,
2019tkn
RA, DEC:00:25:42.053, +08:38:08.36
(6.425220, 8.635656)
Redshift:0.043
Type:SN Ia
Related Notes:
We announce the beginning of public reports to the Transient Name Sever (TNS) of transients saved as a part of the volume limited experiment of the Zwicky Transient Facility. The volume-limited exp...
Released: 2019-11-05 17:00:44
ePESSTO+ spectroscopic classification of optical transients
D. B. Malesani, (DTU Space), P. Charalampopoulos, C. R. Angus, L. Izzo (DARK/NBI), G. Leloudas (DTU Space), S. Prenti...
Source Group: ePESSTO+
Related Objects:
2019udk [ZTF19acnzkph]
RA, DEC:00:40:51.278, +02:50:25.63
(10.213658, 2.840453)
Redshift:0.017892
Type:SN Ia
,
2019tyk [ATLAS19zss]
RA, DEC:01:22:18.318, -22:20:41.39
(20.576325, -22.344830)
Redshift:0.136
Type:SN Ia
,
2019tsf [ATLAS19zsy]
RA, DEC:11:08:32.800, -10:28:54.44
(167.136667, -10.481789)
Redshift:0.03
Type:SN Ib
,
2019trw [PS19giw]
RA, DEC:00:18:37.718, -02:42:32.68
(4.657160, -2.709078)
Redshift:0.2
Type:SN Ic
,
2019udc [ZTF19acoaiub]
RA, DEC:01:53:11.203, +04:11:47.00
(28.296679, 4.196389)
Redshift:0.006
Type:LBV
,
2019tuq [ZTF19acjwdnu]
RA, DEC:00:32:45.766, -06:04:07.70
(8.190690, -6.068804)
Redshift:0.17
Type:SN II
This report includes classifications of 2 Type Ia's, 1 Type Ib, 1 Type Ic, and 1 Type II. We confirm the classification of AT2019udc as a LBV at z=0.006, in agreement with ATel #13263. The spectrum...
Released: 2019-11-04 17:21:59
ATLAS19ztf (AT2019udb): discovery of a candidate supernova in 2MASX J11530127-0603535 (96 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders (Queen's University Belfast), T.-W...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019udb [ATLAS19ztf]
RA, DEC:11:53:01.870, -06:03:50.44
(178.257790, -6.064012)
Redshift:0.021835
Type:SN Ia
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-11-04 16:59:17
ePESSTO+ spectroscopic classification of optical transients
P. Charalampopoulos, D. B. Malesani, (DTU Space), L. Izzo, C. R. Angus (DARK/NBI), G. Leloudas (DTU Space), R. Cartie...
Source Group: ePESSTO+
Related Objects:
2019tpl [ZTF19ackbclh]
RA, DEC:01:00:00.681, -03:06:30.32
(15.002836, -3.108422)
Redshift:0.076
Type:SN IIn
,
2019tvk [ATLAS19znl]
RA, DEC:00:35:36.974, -11:28:30.99
(8.904058, -11.475276)
Redshift:0.0796
Type:SN Ic-BL
This report includes classifications of 1 Type Ic-BL and 1 Type IIn. SN2019tpl presents a blue spectrum dominated by emission lines. The Balmer lines present are broader than the identifiable host ...
Released: 2019-11-03 23:02:06
ATLAS19zta (AT2019uat): discovery of a candidate SN in IC 0736 (62 Mpc)
K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019uat [ATLAS19zta]
RA, DEC:11:48:27.320, +12:43:37.99
(177.113833, 12.727219)
Redshift:0.0136
Type:SN Ia
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-10-31 22:41:50
ATLAS19zjt (AT2019tua): discovery of a candidate supernova in UGC 11860 (39 Mpc)
S. Srivastav, K. W. Smith, O. McBrien, S. J. Smartt, J. Gillanders (Queen's University Belfast), T.-W. Chen (MPE...
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2019tua [ATLAS19zjt]
RA, DEC:21:58:00.280, +24:15:57.10
(329.501167, 24.265861)
Redshift:0.010424
Type:SN II
ATLAS is a twin 0.5m telescope system on Haleakala and Mauna Loa which is robotically surveying the sky above declination -40 with a cadence of 2 days (Tonry et al. 2018, PASP, 13, 064505). Here we...
Released: 2019-10-31 13:39:03
adH0cc spectroscopic classification of SN 2019tjt
S. Taubenberger, C. Vogl, A. Floers, W. Hillebrandt, S. Suyu (MPA Garching), S. J. Smartt, M. Dobson (QUB), R. Kotak ...
Source Group: adH0cc
Related Objects:
2019tjt [ZTF19acignlo]
RA, DEC:00:17:03.673, +31:34:21.10
(4.265305, 31.572529)
Redshift:0.0476
Type:SN II
Related Notes:
We have obtained an optical spectrum of SN 2019tjt, which shows a mostly featureless, blue continuum with broad He II emission, characteristic of a young Type II supernova.
Released: 2019-10-31 00:13:15
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in IC 0121 (122 Mpc)
S.McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. R...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2019trt
RA, DEC:01:28:21.428, +02:30:46.94
(22.089284, 2.513039)
Redshift:
Type:
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-10-28 17:18:27
ePESSTO+ spectroscopic classification of optical transients
P. Charalampopoulos, G. Leloudas, (DTU Space), L. Izzo, C. R. Angus (DARK/NBI), D. B. Malesani (DTU Space), I. Mandel...
Source Group: ePESSTO+
Related Objects:
ZTF19achewzu
RA, DEC:00:00:00.000, +00:00:00.00
(0.000000, 0.000000)
Redshift:
Type:
ZTF19achewzu
,
2019tkn [ZTF19achetvw]
RA, DEC:00:25:42.053, +08:38:08.36
(6.425220, 8.635656)
Redshift:0.043
Type:SN Ia
,
2019ths [ATLAS19ytu]
RA, DEC:00:28:01.331, -04:33:16.78
(7.005544, -4.554661)
Redshift:0.166
Type:SN IIn
,
2019tkd [ZTF19aciiuta]
RA, DEC:00:22:45.154, -20:04:08.72
(5.688143, -20.069089)
Redshift:0.071
Type:Galaxy
,
2019pdi [ATLAS19unl]
RA, DEC:02:18:26.237, -00:33:05.46
(34.609322, -0.551516)
Redshift:0.1
Type:SN IIn
,
2019tjm [ASASSN-19zw]
RA, DEC:01:16:45.210, -28:33:39.85
(19.188375, -28.561069)
Redshift:0.037
Type:SN Ia-91T-like
,
2019tkh [ASASSN-19zx]
RA, DEC:05:46:20.920, -73:22:15.00
(86.587167, -73.370833)
Redshift:0
Type:CV
This report includes classifications of 2 Type Ia's (one 91T-like), 2 Type IIn’s, 1 Dwarf Nova and 2 unclassified nuclear transients. ZTF19achewzu and AT2019ths are nuclear transients whose spectra...
Released: 2019-10-28 10:47:29
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in NGC2514 (69.3 Mpc)
S.McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. R...
Source Group: Pan-STARRS1
Keywords: Supernova, Transient
Related Objects:
2019tls
RA, DEC:08:02:49.920, +15:48:05.40
(120.708000, 15.801500)
Redshift:0.016198
Type:SN Ib
Related Notes:
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 which are closer than 200 Mpc in t...
Released: 2019-10-27 17:07:19
ePESSTO+ spectroscopic classification of optical transients
G. Leloudas, P. Charalampopoulos (DTU Space), C. R. Angus, L. Izzo (DARK/NBI), L. Galbany (UGR), I. Mandel (Birmingha...
Source Group: ePESSTO+
Related Objects:
2019svu [ATLAS19yln]
RA, DEC:02:39:23.465, +12:40:49.72
(39.847771, 12.680477)
Redshift:0.047
Type:SN Ia
,
2019tdc [ATLAS19yru]
RA, DEC:22:09:34.378, -40:36:35.68
(332.393240, -40.609910)
Redshift:0.074
Type:
,
2019szv [ATLAS19ynh]
RA, DEC:06:43:30.860, -35:45:53.28
(100.878583, -35.764800)
Redshift:0.033
Type:SN Ia
,
2019rsx [ZTF19acchjle]
RA, DEC:03:47:10.869, -10:59:40.69
(56.795288, -10.994637)
Redshift:0.072
Type:SN Ia
This report includes the classification of 3 Type Ia SNe, and 1 unclassified transient. We confirm the classification of SN2010rsx as a SN Ia, but we cannot confirm the 91T-like classification ...

Pages

Most Viewed

Released: 2020-05-07
Views Count: 1284
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
Released: 2019-12-31
Views Count: 1003
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: 950
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: 2019-05-03
Views Count: 868
Classification of AT 2019ein as a young SN Ia-peculiar
Jamison Burke (Las Cumbres Observatory/UC Santa Barbara), Iair Arcavi (Tel Aviv University), D. A...
Released: 2019-03-25
Views Count: 758
Possible LBV Eruption at the Site of SN 2010ct
Ron Arbour
Released: 2020-05-07
Views Count: 708
ZTF early discovery and rapid follow-up of the infant SN ZTF20aaynrrh / 2020jfo
Steve Schulze (WIS), Jesper Sollermann (OKC), Daniel A. Perley (LJMU), Anna Ho (Caltech), Yi Yang...
Released: 2019-07-20
Views Count: 662
Pan-STARRS Search for Kilonovae : discovery of an intrinsically faint transient in UGC 12798 (68 Mpc)
S. J. Smartt, (Queen's University Belfast), K. C. Chambers, (IfA, University of Hawaii) K. W...
Released: 2019-03-25
Views Count: 575
The AstroNotes notifications system
Avishay Gal-Yam, Ofer Yaron, Avner Sass, Eran Ofek, Nikola Knezevic, Ilan Manulis (WIS)
Released: 2019-06-14
Views Count: 547
Long rise and bump feature in the lightcurve of AT2019fdr - spectroscopy requested
S. J. Smartt, K. W. Smith, O. McBrien, S. Srivastav, J. Gillanders (Queen's University Belfa...
Released: 2019-08-28
Views Count: 547
ZTF and LT Discovery of the Bright, Nearby Superluminous Supernova SN 2019neq / ZTF19abpbopt
Daniel A. Perley (LJMU), Lin Yan (Caltech), Avishay Gal-Yam (Weizmann), Steve Schulze (Weizmann),...

Recent Released Tools

Released: 2020-10-16
Views Count: 30
Spectroscopic Classification of Four Superluminous Supernovae Using FLEET
Sebastian Gomez (Harvard), Edo Berger (Harvard), Peter K. Blanchard (Northwestern), Griffin Hosseinzadeh (Harvard), Matt Nichol...