Showing results 1951 to 2000 out of 2,136
AstroNote 2020-23
Type: Object/s-Discovery/Classification
Released: 2020-01-24 14:49:10
ATLAS20cvy (AT2020aqe): discovery of a candidate supernova in NGC 3836 (53 Mpc)
F. Lyons (Our Lady and Saint Patrick's College, Knock), J. Gillanders, K. W. Smith, S. Srivastav, O. McBrien, S. J…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020aqe [ATLAS20cvy]
RA, DEC:11:43:29.760, -16:47:53.16
(175.874000, -16.798100)
Redshift:0.012255
Type:SN II
See object 2020aqe [ATLAS20cvy]
Here we report the ATLAS discovery of the transient ATLAS20cvy (AT2020aqe) in galaxy NGC 3836. At a distance of 53 Mpc, the transient was discovered on MJD = 58867.58 (2020-01-19.58) with an absolute…
AstroNote 2020-22
Type: Object/s-Discovery/Classification
Released: 2020-01-24 14:33:53
ATLAS20avv (AT2020aqb): discovery of a candidate SN in PGC1074038 (82 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:
2020aqb [ATLAS20avv]
RA, DEC:00:41:37.640, -03:15:12.53
(10.406833, -3.253481)
Redshift:0.01794
Type:SN IIP
See object 2020aqb [ATLAS20avv]
Here we report the ATLAS discovery of the transient ATLAS20avv (AT2020aqb) in galaxy PGC1074038. At a distance of 82 Mpc, the transient was discovered on MJD = 58868.21 (2020-01-20.21) with an absol…
AstroNote 2020-21
Type: Object/s-Discovery/Classification
Released: 2020-01-23 17:32:39
ePESSTO+ spectroscopic classification of optical transients
R. Bruch, O. Yaron, I. Irani, E. Zimmerman, S. Schulze (Weizmann), L. Galbany (UGR), C. Gutierrez (Southampton), A. De …
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020aai [ZTF20aagfjlj]
RA, DEC:10:11:57.903, -01:57:06.10
(152.991263, -1.951695)
Redshift:0.045
Type:SN Ia
See object 2020aai [ZTF20aagfjlj]
,
2020alh [ATLAS20caf]
RA, DEC:14:03:38.763, -33:58:37.39
(210.911513, -33.977052)
Redshift:0.016
Type:SN Ia
See object 2020alh [ATLAS20caf]
,
2020agp [ATLAS20avo]
RA, DEC:03:42:43.052, -43:18:16.53
(55.679383, -43.304591)
Redshift:0.004
Type:LBV
See object 2020agp [ATLAS20avo]
This report includes classifications of 2 Type Ia's and a nearby z=0.004 LBV/SN-impostor.
AstroNote 2020-20
Type: Object/s-Discovery/Classification
Released: 2020-01-22 17:17:26
ePESSTO+ spectroscopic classification of optical transients
I. Irani, E. Zimmerman, S. Schulze, R. Bruch, O. Yaron (Weizmann), L. Galbany (UGR), C. Gutierrez (Southampton), A. De …
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020abf [ATLAS20avl]
RA, DEC:09:18:05.955, -15:48:44.95
(139.524812, -15.812485)
Redshift:0.017
Type:SN Ic
See object 2020abf [ATLAS20avl]
,
2020agu [ATLAS20bkr]
RA, DEC:11:58:31.599, -20:41:53.59
(179.631661, -20.698219)
Redshift:0.025
Type:SN II
See object 2020agu [ATLAS20bkr]
,
2020sj [ZTF20aadtarr]
RA, DEC:09:26:19.860, -07:28:30.00
(141.582750, -7.475000)
Redshift:0.077
Type:SN IIn
See object 2020sj [ZTF20aadtarr]
,
2020ym [ATLAS20bzn]
RA, DEC:12:23:04.310, -28:04:07.46
(185.767958, -28.068739)
Redshift:0.026
Type:SN Ia
See object 2020ym [ATLAS20bzn]
This report includes classifications of a Type Ic, Ia, II and IIn.
AstroNote 2020-19
Type: Object/s-Discovery/Classification
Released: 2020-01-22 16:20:09
ATLAS20caf (AT2020alh): discovery of a candidate supernova in NGC5419 (57 Mpc)
F. Lyons (Our Lady and Saint Patrick's College, Knock), J. Gillanders, K. W. Smith, S. Srivastav, O. McBrien, S. J…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020alh [ATLAS20caf]
RA, DEC:14:03:38.763, -33:58:37.39
(210.911513, -33.977052)
Redshift:0.016
Type:SN Ia
See object 2020alh [ATLAS20caf]
Here we report the ATLAS discovery of the transient ATLAS20caf (AT2020alh) in galaxy NGC5419. At a distance of 57 Mpc, the transient was discovered on MJD = 58867.59 == 2020-01-19.59 with an absolute…
AstroNote 2020-18
Type: Object/s-Discovery/Classification
Released: 2020-01-21 19:53:52
adH0cc spectroscopic classification of SN 2020ajd
S. J. Smartt, M. Dobson (QUB), R. Kotak (Turku), B. Leibundgut, J. Spyromilio (ESO), R. Bruch, A. Gal-Yam (Weizmann), C…
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020ajd [PS20fd]
RA, DEC:05:45:13.023, -20:45:49.75
(86.304264, -20.763819)
Redshift:0.0746
Type:SN Ic
See object 2020ajd [PS20fd]
Related Notes:
2019-103
2020-182019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S. T…
We have obtained an optical spectrum of SN 2020ajd, which reveals it to be a Type Ic supernova past maximum light.
AstroNote 2020-17
Type: Object/s-Discovery/Classification
Released: 2020-01-21 14:33:09
ATLAS20bmm (AT2020akf): discovery of a candidate supernova in KUG 0925+387B (54 Mpc)
F. Lyons (Our Lady and Saint Patrick's College, Knock), J. Gillanders, K. W. Smith, S. Srivastav, O. McBrien, S. J…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020akf [ATLAS20bmm]
RA, DEC:09:28:39.660, +38:33:47.20
(142.165250, 38.563111)
Redshift:0.012454
Type:SN Ia-91T-like
See object 2020akf [ATLAS20bmm]
Here we report the ATLAS discovery of the transient ATLAS20bmm (AT2020akf) in galaxy KUG 0925+387B. At a distance of 54 Mpc, the transient was discovered on MJD = 58868.50 (2020-01-20.50) with an abs…
AstroNote 2020-16
Type: Object/s-Discovery/Classification
Released: 2020-01-19 21:25:27
ATLAS20avo (AT2020agp): Discovery of an unusually faint candidate SN in ESO249-015 (13 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, D. O'Neill, P. Clark, D. R. Young, …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2020agp [ATLAS20avo]
RA, DEC:03:42:43.052, -43:18:16.53
(55.679383, -43.304591)
Redshift:0.004
Type:LBV
See object 2020agp [ATLAS20avo]
Here we report the ATLAS discovery of the transient ATLAS2020avo (AT2020agp) in galaxy ESO249-015. At a distance of 13 Mpc, the transient was discovered on MJD = 58867.21 (2020-01-19.21) with an abso…
AstroNote 2020-15
Type: Object/s-Discovery/Classification
Released: 2020-01-18 15:23:00
adH0cc spectroscopic classification of SN 2020zs
A. Floers, C. Vogl, S. Taubenberger, W. Hillebrandt, S. Suyu (MPA Garching), B. Leibundgut, J. Spyromilio (ESO), S. J…
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2020zs [ZTF20aaekbdr]
RA, DEC:08:27:51.336, +08:05:44.21
(126.963898, 8.095614)
Redshift:0.0458
Type:SN II
See object 2020zs [ZTF20aaekbdr]
Related Notes:
2019-103
2020-152019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S. T…
We have obtained an optical spectrum of SN 2020zs, which reveals it to be a Type II supernova.
AstroNote 2020-14
Type: Object/s-Discovery/Classification
Released: 2020-01-17 16:45:43
ePESSTO+ spectroscopic classification of optical transients
E. Zimmerman, I. Irani, S. Schulze, R. Bruch, O. Yaron (Weizmann), N. Elias-Rosa (INAF-OAPd), G. Pignata (UNAB/MAS), M…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020cp [ATLAS20aod]
RA, DEC:01:18:33.020, -27:36:12.53
(19.637583, -27.603481)
Redshift:0.058
Type:SN Ia
See object 2020cp [ATLAS20aod]
,
2020do [ATLAS20arl]
RA, DEC:12:01:17.640, -35:18:29.05
(180.323500, -35.308069)
Redshift:0.064
Type:SN Ia
See object 2020do [ATLAS20arl]
,
2020dq [ATLAS20aro]
RA, DEC:13:00:18.965, -33:37:46.91
(195.079023, -33.629697)
Redshift:0.046
Type:SN Ia-91bg-like
See object 2020dq [ATLAS20aro]
,
2020oc [ZTF20aaekkuv]
RA, DEC:09:48:02.916, +03:32:17.78
(147.012150, 3.538272)
Redshift:0.02
Type:SN Ic
See object 2020oc [ZTF20aaekkuv]
,
2020pm [ZTF20aaeqmjl]
RA, DEC:07:28:14.753, +19:14:27.60
(112.061472, 19.241000)
Redshift:0.054
Type:SN Ic
See object 2020pm [ZTF20aaeqmjl]
,
2020uk [ZTF20aaeszsm]
RA, DEC:03:59:41.515, +26:35:19.92
(59.922981, 26.588866)
Redshift:0.067
Type:SN Ia
See object 2020uk [ZTF20aaeszsm]
,
2019xvu [ATLAS19beqw]
RA, DEC:01:53:08.500, -36:14:09.92
(28.285417, -36.236089)
Redshift:0.063
Type:SN Ia
See object 2019xvu [ATLAS19beqw]
This report includes classifications of 4 Type Ia's, 1 Ia-91bg-like and 2 Type Ic's.
AstroNote 2020-13
Type: Object/s-Discovery/Classification
Released: 2020-01-16 17:47:16
ePESSTO+ spectroscopic classification of optical transients
S. Schulze, I. Irani, E. Zimmerman, R. Bruch, O. Yaron (Weizmann), N. Elias-Rosa (INAF-OAPd), G. Pignata (UNAB/MAS), M…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020yo [ZTF20aafqpum]
RA, DEC:03:06:06.513, +13:54:48.57
(46.527138, 13.913491)
Redshift:0.09
Type:SN Ia-91bg-like
See object 2020yo [ZTF20aafqpum]
,
2020xr [ZTF20aafgbrf]
RA, DEC:06:28:22.180, +21:38:48.01
(97.092417, 21.646669)
Redshift:0.03
Type:SN Ia
See object 2020xr [ZTF20aafgbrf]
,
2020vg [ZTF20aafclxb]
RA, DEC:11:48:54.430, -04:40:53.76
(177.226792, -4.681600)
Redshift:0.0087
Type:SN II
See object 2020vg [ZTF20aafclxb]
,
2020mw [ZTF20aabhraq]
RA, DEC:08:10:47.276, +11:31:16.07
(122.696983, 11.521130)
Redshift:0.169
Type:
See object 2020mw [ZTF20aabhraq]
This report includes classifications of a Type Ia, a possible Ia-91bg-like at z=0.09, a likely nearby (z=0.009) young Type II and a host-dominated spectrum at z=0.169.
AstroNote 2020-12
Type: Object/s-Discovery/Classification
Released: 2020-01-13 16:31:06
Spectroscopic classification of ASASSN-19adm/2019xfi with SALT
Ping Chen (KIAA-PKU), Subo Dong (KIAA-PKU), M. Gromadzki (Warsaw U. Observatory), D. A. H. Buckley (SAAO)
Keywords: Supernova
Related Objects:
2019xfi [ASASSN-19adm]
RA, DEC:12:39:47.940, -48:17:41.03
(189.949750, -48.294731)
Redshift:0.017969
Type:SN Ia
See object 2019xfi [ASASSN-19adm]
We report SALT spectroscopic classification for ASASSN-19adm/2019xfi as a SN Ia at about three weeks after the peak.
AstroNote 2020-11
Type: Object/s-Data/Analysis
Released: 2020-01-12 14:15:25
AMI-LA 15.5 GHz Observations of the Nearby Supernova SN2020oi
Itai Sfaradi (HUJI), David Williams (Oxford), Assaf Horesh (HUJI), Rob Fender (Oxford), Dave Green (MRAO, Cambridge), D…
Keywords: Supernova, Radio
Related Objects:
2020oi [ZTF20aaelulu]
RA, DEC:12:22:54.930, +15:49:24.96
(185.728875, 15.823600)
Redshift:0.0052
Type:SN Ic
See object 2020oi [ZTF20aaelulu]
Related Notes:
2020-8
2020-112020-01-08 22:08:33
Title: Early ZTF and UVOT Observations of ZTF20aaelulu, a Supernova Candidate in M100
Authors: A. Y. Q. Ho (Caltech), S. Schulze (Weizmann), D. Perley (LJ…
Source Group: ZTF
,
2020-9
2020-112020-01-11 09:05:47
Title: An Initial Analysis of the VLA Observation of the Nearby Supernova SN2020oi in M100
Authors: Assaf Horesh, Itai Sfaradi (HUJI)
,
2020-10
2020-112020-01-11 21:42:53
Title: A VLA Radio Detection of Supernova SN2020oi
Authors: Assaf Horesh, Itai Sfaradi (HUJI)
Here we report our AMI-LA observation of the Nearby supernova SN2020oi. We detect a ~10 mJy source at 15.5 GHz. We conclude that the detected emission is comprised of contribution of SN2020oi emissio…
AstroNote 2020-10
Type: Object/s-Data/Analysis
Released: 2020-01-11 21:42:53
A VLA Radio Detection of Supernova SN2020oi
Assaf Horesh, Itai Sfaradi (HUJI)
Keywords: Supernova, Transient, Radio
Related Objects:
2020oi [ZTF20aaelulu]
RA, DEC:12:22:54.930, +15:49:24.96
(185.728875, 15.823600)
Redshift:0.0052
Type:SN Ic
See object 2020oi [ZTF20aaelulu]
Related Notes:
2020-8
2020-102020-01-08 22:08:33
Title: Early ZTF and UVOT Observations of ZTF20aaelulu, a Supernova Candidate in M100
Authors: A. Y. Q. Ho (Caltech), S. Schulze (Weizmann), D. Perley (LJ…
Source Group: ZTF
,
2020-9
2020-102020-01-11 09:05:47
Title: An Initial Analysis of the VLA Observation of the Nearby Supernova SN2020oi in M100
Authors: Assaf Horesh, Itai Sfaradi (HUJI)
We report the detection of radio emission from SN2020oi at 44 GHz.
AstroNote 2020-9
Type: Object/s-Data/Analysis
Released: 2020-01-11 16:47:36
An Initial Analysis of the VLA Observation of the Nearby Supernova SN2020oi in M100
Assaf Horesh, Itai Sfaradi (HUJI)
Keywords: Transient, Supernova, Radio
Related Objects:
2020oi [ZTF20aaelulu]
RA, DEC:12:22:54.930, +15:49:24.96
(185.728875, 15.823600)
Redshift:0.0052
Type:SN Ic
See object 2020oi [ZTF20aaelulu]
Related Notes:
2020-8
2020-92020-01-08 22:08:33
Title: Early ZTF and UVOT Observations of ZTF20aaelulu, a Supernova Candidate in M100
Authors: A. Y. Q. Ho (Caltech), S. Schulze (Weizmann), D. Perley (LJ…
Source Group: ZTF
We report our initial analysis of the Jansky Very Large Array (VLA) observation of the nearby (~17 Mpc) supernova SN2020oi in M100 (TNS report 58241; ATel #13393; TNS report 5875; ATel # 13391; Astro…
AstroNote 2020-8
Type: Object/s-Data/Analysis
Released: 2020-01-08 22:08:33
Early ZTF and UVOT Observations of ZTF20aaelulu, a Supernova Candidate in M100
A. Y. Q. Ho (Caltech), S. Schulze (Weizmann), D. Perley (LJMU), J. Sollerman (OKC), Y. Yang (Weizmann), O. Yaron (Weizm…
Source Group: ZTF
Keywords: Transient, Supernova, Time-domain, Photometry
Related Objects:
2020oi [ZTF20aaelulu]
RA, DEC:12:22:54.930, +15:49:24.96
(185.728875, 15.823600)
Redshift:0.0052
Type:SN Ic
See object 2020oi [ZTF20aaelulu]
We report early photometry of ZTF20aaelulu (AT2020oi) from the Zwicky Transient Facility (ZTF; ATel #11266) and Swift/UVOT. ZTF20aaelulu is a rapidly rising transient coincident with M100 (z=0.0052) …
AstroNote 2020-7
Type: Object/s-Discovery/Classification
Released: 2020-01-05 21:28:26
ePESSTO+ spectroscopic classification of optical transients
P. Wiseman, M. Grayling, T. Müller Bravo (Southampton), N. Meza (PUC), L. Galbany (UGR), T. Nagao (ESO), M. T. Bottice…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2020dr [ATLAS20arp]
RA, DEC:02:45:18.878, -17:42:18.51
(41.328660, -17.705141)
Redshift:0.0257
Type:SN Ic
See object 2020dr [ATLAS20arp]
,
2020ds [ATLAS20aru]
RA, DEC:00:28:38.800, -10:11:21.80
(7.161667, -10.189389)
Redshift:0.05765
Type:SN Ia
See object 2020ds [ATLAS20aru]
,
ZTF20aaavvlv
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
ZTF20aaavvlv
This report includes classifications of 1 Type Ia, 1 Type Ic, and an unknown transient. ZTF20aaavvlv displays a blue continuum with a small number of broad features. We encourage followup observatio…
AstroNote 2020-6
Type: Object/s-Discovery/Classification
Released: 2020-01-05 01:40:03
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient (AT2020fe) in NGC 2642 (63 Mpc)
K. W. Smith, S. J. Smartt (QUB), K. C. Chambers, M. Huber (IfA, Hawaii), S. Srivastav, O. McBrien, D. R. Young, J. Gill…
Source Group: Pan-STARRS
Keywords: Supernova, Transient
Related Objects:
2020fe [PS20g]
RA, DEC:08:40:46.209, -04:07:52.56
(130.192536, -4.131265)
Redshift:
Type:
See object 2020fe [PS20g]
Related Notes:
2019-48
2020-62019-07-20 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 which are closer than 200 Mpc in the…
AstroNote 2020-5
Type: Object/s-Discovery/Classification
Released: 2020-01-04 16:21:45
ATLAS20arp (AT2020dr): discovery of a candidate SN in NGC 1099 (103 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:
2020dr [ATLAS20arp]
RA, DEC:02:45:18.878, -17:42:18.51
(41.328660, -17.705141)
Redshift:0.0257
Type:SN Ic
See object 2020dr [ATLAS20arp]
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 r…
AstroNote 2020-4
Type: Object/s-Discovery/Classification
Released: 2020-01-04 16:00:06
ePESSTO+ spectroscopic classification of optical transients
N. Meza (PUC), T. Müller Bravo, P. Wiseman, M. Grayling (Southampton), L. Galbany (UGR), T. Nagao (ESO), M. T. Botticel…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019ybv [ASASSN-19adz]
RA, DEC:06:50:08.910, -45:57:37.87
(102.537125, -45.960519)
Redshift:0.04
Type:SN Ia-91T-like
See object 2019ybv [ASASSN-19adz]
,
2019yzi [ZTF19adbpulv]
RA, DEC:03:01:31.900, +16:40:52.93
(45.382917, 16.681369)
Redshift:0.031388
Type:SN Ia
See object 2019yzi [ZTF19adbpulv]
,
2020dp [ATLAS20arm]
RA, DEC:12:39:54.200, -23:52:58.22
(189.975833, -23.882839)
Redshift:0.052
Type:SN Ia
See object 2020dp [ATLAS20arm]
This report includes classifications of two Type Ia SNe and one Type Ia 91-T like SN.
AstroNote 2020-3
Type: Object/s-Discovery/Classification
Released: 2020-01-03 18:13:44
ePESSTO+ spectroscopic classification of optical transients
T. Müller Bravo (Southampton), N. Meza (PUC), P. Wiseman, M. Grayling (Southampton), L. Galbany (UGR), T. Nagao (ESO), …
Source Group: ePESSTO+
Keywords: Spectroscopy, Transient, Supernova, Optical
Related Objects:
2020ac [ATLAS20abm]
RA, DEC:09:56:55.129, +15:42:09.04
(149.229704, 15.702510)
Redshift:0.074
Type:SN Ia-91T-like
See object 2020ac [ATLAS20abm]
,
2019yzs [ZTF19adcbnty]
RA, DEC:09:04:34.734, +14:35:44.87
(136.144725, 14.595798)
Redshift:0.0498
Type:
See object 2019yzs [ZTF19adcbnty]
This report includes classifications of 1 Type Ia 91T-like SN, and an unknown nuclear transient.
AstroNote 2020-2
Type: Object/s-Discovery/Classification
Released: 2020-01-02 19:34:36
ePESSTO+ spectroscopic classification of optical transients
N. Meza (PUC), T. Müller Bravo, P. Wiseman, M. Grayling (Southampton), L. Galbany (UGR), T. Nagao (ESO), M. T. Botticel…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019yzx [ZTF19adcbxkw]
RA, DEC:09:30:41.315, +21:27:21.19
(142.672147, 21.455887)
Redshift:0.057
Type:SN Ia
See object 2019yzx [ZTF19adcbxkw]
,
2019yzw [ZTF19adccckb]
RA, DEC:10:24:48.775, +19:20:20.05
(156.203229, 19.338903)
Redshift:0.17
Type:SN
See object 2019yzw [ZTF19adccckb]
,
2019zel [ATLAS19bfkt]
RA, DEC:13:25:52.255, -00:40:44.09
(201.467730, -0.678913)
Redshift:
Type:
See object 2019zel [ATLAS19bfkt]
This report includes classifications of 1 Type Ia SN around maximum brightness, and an interacting SN. SN2019yzw displays signs of interaction, and spectral follow up is encouraged. We also report th…
AstroNote 2020-1
Type: Announcement-Tool/Utility
Released: 2020-01-01 15:15:49
A bash shell utility to query and download classified SNe from TNS
S. R. Kulkarni
Keywords: Time-domain, Astronomical Databases
QueryTNS_SN is a stand alone utility, written in bash, which can query TNS for classified supernovae (SNe) in a given month of a year, a range of moths in a given year or all 12 months of a given ye…
AstroNote 2019-163
Type: Object/s-Discovery/Classification
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), I…
Source Group: ePESSTO+
Keywords: Supernova, Spectroscopy, Optical, Transient
Related Objects:
2019xis
RA, DEC:05:36:13.700, -69:16:24.70
(84.057083, -69.273528)
Redshift:0.0009
Type:Light-Echo
See object 2019xis
,
1987A
RA, DEC:05:35:27.989, -69:16:11.50
(83.866620, -69.269860)
Redshift:
Type:SN IIP
See object 1987A
Related Notes:
2019-160
2019-1632019-12-28 10:05:40
Title: ePESSTO+ spectroscopic classification of optical transients
Authors: J. Antilen (U de Chile), T. Müller Bravo, M. Grayling, M. S…
Source Group: ePESSTO+
We report the re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
AstroNote 2019-162
Type: Object/s-Discovery/Classification
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. Frohmaier …
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019yhq [PS19ihx]
RA, DEC:04:54:10.525, +06:03:43.66
(73.543853, 6.062129)
Redshift:0.054
Type:SN II
See object 2019yhq [PS19ihx]
,
2019yvr [ATLAS19benc]
RA, DEC:12:45:08.135, -00:27:32.83
(191.283897, -0.459120)
Redshift:0.005
Type:SN Ib
See object 2019yvr [ATLAS19benc]
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).
AstroNote 2019-161
Type: Object/s-Discovery/Classification
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
See object 2019yvr [ATLAS19benc]
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 r…
AstroNote 2019-160
Type: Object/s-Discovery/Classification
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 Portsmouth…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019wkk [ATLAS19bdbl]
RA, DEC:03:17:10.680, -19:30:18.72
(49.294500, -19.505200)
Redshift:0.032
Type:SN Ia
See object 2019wkk [ATLAS19bdbl]
,
2019xis
RA, DEC:05:36:13.700, -69:16:24.70
(84.057083, -69.273528)
Redshift:0.0009
Type:Light-Echo
See object 2019xis
,
2019xuo [ATLAS19beby]
RA, DEC:05:59:32.664, -27:01:10.77
(89.886100, -27.019658)
Redshift:
Type:
See object 2019xuo [ATLAS19beby]
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 inter…
AstroNote 2019-159
Type: Object/s-Discovery/Classification
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/MAS…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019xbg [ZTF19adaiyud]
RA, DEC:10:33:08.332, -22:11:21.36
(158.284718, -22.189266)
Redshift:0.08
Type:SN Ia
See object 2019xbg [ZTF19adaiyud]
,
2019xck [ZTF19aczeomw]
RA, DEC:06:28:16.825, +23:36:30.93
(97.070105, 23.608591)
Redshift:0.035
Type:SN Ia
See object 2019xck [ZTF19aczeomw]
,
2019wyw [ZTF19aczjsqn]
RA, DEC:09:24:07.012, +02:22:07.02
(141.029219, 2.368616)
Redshift:0.089
Type:SN Ia
See object 2019wyw [ZTF19aczjsqn]
This report includes classifications of 1 Type Ia SN around peak brightness, and 2 Type Ia SNe about 1 week before peak brightness.
AstroNote 2019-158
Type: Object/s-Discovery/Classification
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
See object 2019xdf [ATLAS19bdir]
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 r…
AstroNote 2019-157
Type: Object/s-Discovery/Classification
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. Dobson …
Source Group: adH0cc
Keywords: Transient, Supernova, Spectroscopy, Optical
Related Objects:
2019wxt [PS19hgw]
RA, DEC:01:55:41.941, +31:25:04.55
(28.924753, 31.417929)
Redshift:0.036
Type:SN IIb
See object 2019wxt [PS19hgw]
Related Notes:
2019-103
2019-1572019-10-14 18:15:04
Title: adH0cc spectroscopic classification of SN 2019rsw
Authors: B. Leibundgut, J. Spyromilio (ESO), C. Vogl, A. Flörs, S. T…
,
2019-154
2019-1572019-12-18 11:13:10
Title: Pan-STARRS Search for Kilonovae: discovery of PS19hgw, an intrinsically faint transient in KUG 0152+311 (144 Mpc)
Authors: S, McLaughlin, S. J. Smartt, K. W. Smith (QUB), K. C. Chamb…
Source Group: Pan-STARRS
,
2019-156
2019-1572019-12-19 08:43:19
Title: ePESSTO+ spectroscopic classification of optical transients
Authors: T. Müller Bravo, M. Pursiainen, P. Wiseman (Southampton), T…
Source Group: ePESSTO+
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.
AstroNote 2019-156
Type: Object/s-Discovery/Classification
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/MAS…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019wxt [PS19hgw]
RA, DEC:01:55:41.941, +31:25:04.55
(28.924753, 31.417929)
Redshift:0.036
Type:SN IIb
See object 2019wxt [PS19hgw]
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), and …
AstroNote 2019-155
Type: Object/s-Discovery/Classification
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/MAS…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019wku [ATLAS19bdbq]
RA, DEC:05:17:21.476, +12:31:02.56
(79.339485, 12.517376)
Redshift:0.039
Type:SN Ia
See object 2019wku [ATLAS19bdbq]
,
ZTF19acyihlk
RA, DEC:00:00:00.000,
(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
See object 2019wmc [ZTF19acyjzeo]
,
ZTF19acyfumm
RA, DEC:00:00:00.000,
(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). …
AstroNote 2019-154
Type: Object/s-Discovery/Classification
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. R…
Source Group: Pan-STARRS
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
See object 2019wxt [PS19hgw]
Related Notes:
2019-48
2019-1542019-07-20 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 which are closer than 200 Mpc in the…
AstroNote 2019-153
Type: Object/s-Discovery/Classification
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
See object 2019wll [ATLAS19bdcv]
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 r…
AstroNote 2019-152
Type: Object/s-Discovery/Classification
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. Sriv…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019vnk [ATLAS19bavq]
RA, DEC:04:00:43.550, -09:00:01.72
(60.181457, -9.000479)
Redshift:0.06
Type:SN Ia
See object 2019vnk [ATLAS19bavq]
,
2019wdx [ASASSN-19acx]
RA, DEC:08:23:41.402, +21:26:03.97
(125.922507, 21.434437)
Redshift:0.017155
Type:SN Ia
See object 2019wdx [ASASSN-19acx]
,
2019wew [ATLAS19bcxj]
RA, DEC:09:26:34.260, -01:39:00.94
(141.642750, -1.650261)
Redshift:0.07
Type:SN Ia
See object 2019wew [ATLAS19bcxj]
This report includes classifications of three Type Ia's.
AstroNote 2019-151
Type: Object/s-Discovery/Classification
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 (IAP)…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019vrm [ZTF19aculczm]
RA, DEC:00:20:18.301, -05:18:24.99
(5.076255, -5.306942)
Redshift:0.068
Type:SN Ia
See object 2019vrm [ZTF19aculczm]
,
2019ugq [OGLE19ugq]
RA, DEC:02:37:56.640, -74:59:49.20
(39.486000, -74.997000)
Redshift:0.453
Type:AGN
See object 2019ugq [OGLE19ugq]
,
2019wbt [Gaia19fjm]
RA, DEC:07:59:53.730, -50:20:15.36
(119.973875, -50.337600)
Redshift:0.023
Type:SN Ia
See object 2019wbt [Gaia19fjm]
,
2019vqc [ASASSN-19abw]
RA, DEC:05:00:47.230, -45:52:24.74
(75.196792, -45.873539)
Redshift:0.049
Type:SN Ia
See object 2019vqc [ASASSN-19abw]
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.
AstroNote 2019-150
Type: Object/s-Discovery/Classification
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. Sriv…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019voy [ATLAS19bbfl]
RA, DEC:23:40:45.694, -14:59:23.01
(355.190392, -14.989726)
Redshift:0.08
Type:SN Ia
See object 2019voy [ATLAS19bbfl]
,
2019vrx [ATLAS19bbmb]
RA, DEC:01:24:51.466, -31:45:26.58
(21.214442, -31.757384)
Redshift:0.037
Type:SN II
See object 2019vrx [ATLAS19bbmb]
,
2019vsm [ATLAS19bbnc]
RA, DEC:05:45:05.885, +15:30:37.30
(86.274520, 15.510361)
Redshift:0.04
Type:SN Ia
See object 2019vsm [ATLAS19bbnc]
,
2019wck [ATLAS19bcnt]
RA, DEC:10:40:28.526, -40:06:43.06
(160.118858, -40.111962)
Redshift:0.05
Type:SN Ia
See object 2019wck [ATLAS19bcnt]
,
2019wcj [OGLE19wcj]
RA, DEC:05:14:28.530, -62:10:13.80
(78.618875, -62.170500)
Redshift:0.01
Type:SN Ia
See object 2019wcj [OGLE19wcj]
This report includes classifications of four Type Ia's and one Type II.
AstroNote 2019-149
Type: Object/s-Discovery/Classification
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 (IAP…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019wbx [ATLAS19bcka]
RA, DEC:05:01:49.086, +06:00:26.50
(75.454527, 6.007360)
Redshift:0.066
Type:SN Ia
See object 2019wbx [ATLAS19bcka]
,
2019vro [ATLAS19bbhx]
RA, DEC:10:41:42.710, +06:11:49.70
(160.427958, 6.197139)
Redshift:0.033
Type:SN Ia
See object 2019vro [ATLAS19bbhx]
This report includes classifications of three Type Ia's.
AstroNote 2019-148
Type: Announcement-Campaign/Survey
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. Gall…
Source Group: YSE
Keywords: Surveys, Photometry, Transient, Supernova, Optical
Related Objects:
2019wbv
RA, DEC:08:58:45.393, -04:33:56.23
(134.689137, -4.565621)
Redshift:
Type:
See object 2019wbv
,
2019wbw
RA, DEC:10:02:43.193, -08:38:29.13
(150.679971, -8.641425)
Redshift:
Type:
See object 2019wbw
,
2019wby
RA, DEC:07:37:09.812, +42:12:20.68
(114.290882, 42.205745)
Redshift:
Type:
See object 2019wby
,
2019wbz
RA, DEC:08:55:18.513, -04:20:19.79
(133.827137, -4.338830)
Redshift:
Type:
See object 2019wbz
,
2019wcb
RA, DEC:07:38:00.772, +39:42:26.76
(114.503218, 39.707434)
Redshift:
Type:
See object 2019wcb
,
2019wcc
RA, DEC:07:29:36.088, +42:06:29.41
(112.400365, 42.108170)
Redshift:
Type:
See object 2019wcc
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 French…
AstroNote 2019-147
Type: Object/s-Discovery/Classification
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 (IAP)…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019uym [ATLAS19bapx]
RA, DEC:09:49:17.081, -04:06:36.06
(147.321172, -4.110016)
Redshift:0.05
Type:SN Ia
See object 2019uym [ATLAS19bapx]
,
2019vut [ATLAS19bced]
RA, DEC:04:40:51.684, -15:59:24.70
(70.215350, -15.990193)
Redshift:0.055
Type:SN Ia
See object 2019vut [ATLAS19bced]
,
2019wcd [ATLAS19bckd]
RA, DEC:10:05:00.210, -04:48:02.12
(151.250875, -4.800589)
Redshift:0.06
Type:SN Ia
See object 2019wcd [ATLAS19bckd]
This report includes classifications of three Type Ia's.
AstroNote 2019-146
Type: Object/s-Discovery/Classification
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
See object 2019wbg [ATLAS19bcjh]
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 r…
AstroNote 2019-145
Type: Object/s-Discovery/Classification
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. Gill…
Source Group: Pan-STARRS
Keywords: Supernova, Transient
Related Notes:
2019-48
2019-1452019-07-20 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 which are closer than 200 Mpc in the…
AstroNote 2019-144
Type: Object/s-Discovery/Classification
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:
See object 2019vsb [ATLAS19bbmt]
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 r…
AstroNote 2019-143
Type: Object/s-Discovery/Classification
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
See object 2019vsa [ATLAS19bbmq]
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 r…
AstroNote 2019-142
Type: Object/s-Discovery/Classification
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. R…
Source Group: Pan-STARRS
Keywords: Supernova, Transient
Related Notes:
2019-48
2019-1422019-07-20 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 which are closer than 200 Mpc in the…
AstroNote 2019-141
Type: Object/s-Discovery/Classification
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/MAS)…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
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
See object 2019vrq [ASASSN-19aca]
,
2019vjl [ASASSN-19abo]
RA, DEC:09:49:23.697, +01:08:46.78
(147.348738, 1.146329)
Redshift:0.025017
Type:SN II
See object 2019vjl [ASASSN-19abo]
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.
AstroNote 2019-140
Type: Object/s-Discovery/Classification
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/MAS)…
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019vrd [ATLAS19bbhj]
RA, DEC:08:52:22.400, -20:17:31.27
(133.093333, -20.292019)
Redshift:0.052
Type:SN Ia
See object 2019vrd [ATLAS19bbhj]
This report includes classification of SN 2019vrd as supernova Type Ia around week before maximum.
AstroNote 2019-139
Type: Object/s-Discovery/Classification
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+
Keywords: Transient, Supernova, Optical, Spectroscopy
Related Objects:
2019vch [ATLAS19bard]
RA, DEC:06:45:11.774, -43:43:07.08
(101.299057, -43.718633)
Redshift:0.067
Type:SN Ia
See object 2019vch [ATLAS19bard]
,
2019vqf [ASASSN-19abx]
RA, DEC:06:15:16.954, -45:19:06.38
(93.820640, -45.318440)
Redshift:0.066
Type:SN Ia
See object 2019vqf [ASASSN-19abx]
,
2019vqd [ATLAS19bayf]
RA, DEC:06:44:41.706, +20:39:52.07
(101.173773, 20.664463)
Redshift:0.04
Type:SN II
See object 2019vqd [ATLAS19bayf]
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 58…
AstroNote 2019-138
Type: Object/s-Discovery/Classification
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:
See object 2019vqk [ATLAS19bbdm]
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 r…
AstroNote 2019-137
Type: Object/s-Discovery/Classification
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
See object 2019voo [ATLAS19bavv]
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 r…

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