Showing results 1 to 43 out of 43
AstroNote 2025-20
Type: Announcement-Tool/Utility
Released: 2025-01-14 14:58:18
AMI-LA radio detection of the off-nuclear TDE AT2024tvd
Assaf Horesh (HUJI), Yirmi Bernstein (HUJI), Joe Bright (Oxford), Adam Lang (HUJI), Nadav Shoval (HUJI), Lauren Rhodes …
Keywords: TDE, Radio, Transient
Related Objects:
2024tvd
RA, DEC:17:10:42.585, +28:50:15.11
(257.677437, 28.837530)
Redshift:0.044938
Type:TDE
See object 2024tvd
Related Notes:
2025-13
2025-202025-01-11 03:22:42
Title: AT2024tvd: an off-nuclear tidal disruption event
Authors: Yuhan Yao, Ryan Chornock, Raffaella Margutti (UC Berkeley),…
Source Group: ZTF
,
2025-14
2025-202025-01-11 04:22:06
Title: VLA radio detection of the off-nuclear TDE AT 2024tvd
Authors: Itai Sfaradi, Ryan Chornock (UC Berkeley), Kate D. Alexande…
We report here the radio (15.5 GHz) detection of the off-nuclear tidal disruption event AT 2024tvd by the AMI-LA telescope.
AstroNote 2025-14
Type: Announcement-Tool/Utility
Released: 2025-01-11 04:22:06
VLA radio detection of the off-nuclear TDE AT 2024tvd
Itai Sfaradi, Ryan Chornock (UC Berkeley), Kate D. Alexander (U of Arizona), Raffaella Margutti, Yuhan Yao, A.J. Nayana…
Keywords: TDE, Radio, Transient, Time-domain
Related Objects:
2024tvd
RA, DEC:17:10:42.585, +28:50:15.11
(257.677437, 28.837530)
Redshift:0.044938
Type:TDE
See object 2024tvd
Related Notes:
2025-13
2025-142025-01-11 03:22:42
Title: AT2024tvd: an off-nuclear tidal disruption event
Authors: Yuhan Yao, Ryan Chornock, Raffaella Margutti (UC Berkeley),…
Source Group: ZTF
We report here a 10 GHz detection of the off-nuclear tidal disruption event AT 2024tvd
AstroNote 2025-3
Type: Object/s-Data/Analysis
Released: 2025-01-04 16:05:27
Multiwavelength Observations of AT2024aehp
Genevieve Schroeder (Cornell), Ping Chen (WIS), Jesper Sollerman (Stockholm University), Gokul Srinivasaragavan (UMD), …
Keywords: Radio
Related Objects:
2024aehp [ZTF24abygbss]
RA, DEC:08:21:07.471, +28:44:22.30
(125.281129, 28.739529)
Redshift:
Type:
See object 2024aehp [ZTF24abygbss]
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2024-386
2025-32024-12-25 01:43:21
Title: ZTF and Gemini Observations of the Fast-fading Luminous Optical Transient AT2024aehp
Authors: Jason Sevilla, Anna Y. Q. Ho (Cornell), Gokul Srinivasaraga…
Source Group: ZTF
We report VLA, P60/SEDM, and Swift/XRT observations of AT2024aehp (ZTF24abygbss).
AstroNote 2024-319
Type: Object/s-Data/Analysis
Released: 2024-11-03 14:18:33
AMI-LA radio observation of the TDE AT2024AS
Nadav Shoval (HUJI), Assaf Horesh (HUJI), Adam Lang (HUJI), Joe Bright (Oxford), Rob Fender (Oxford), Lauren Rhodes (Ox…
Keywords: Radio, TDE
Related Objects:
2024as
RA, DEC:10:05:06.320, +17:29:21.05
(151.276333, 17.489181)
Redshift:0.13
Type:TDE
See object 2024as
AstroNote 2024-314
Type: Object/s-Data/Analysis
Released: 2024-10-28 17:05:36
Radio Detection of AT2024wpp
Genevieve Schroeder (Cornell), Anna Y. Q. Ho (Cornell), Daniel A. Perley (LJMU) on behalf of the ZTF collaboration
Source Group: ZTF
Keywords: Radio
Related Objects:
2024wpp
RA, DEC:02:42:05.499, -16:57:22.90
(40.522912, -16.956360)
Redshift:
Type:SN
See object 2024wpp
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2024-272
2024-3142024-09-28 01:58:12
Title: Observations of the Fast-rising Blue Optical Transient AT2024wpp
Authors: Anna Y. Q. Ho (Cornell), Gokul Srinivasaragavan (Maryland),…
Source Group: ZTF
,
2024-280
2024-3142024-10-03 12:02:21
Title: Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Authors: Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michael …
Source Group: ZTF
We report the detection of 10 and 15 GHz radio emission coincident with the luminous fast blue optical transient AT2024wpp at z=0.0868.
AstroNote 2024-290
Type: Object/s-Data/Analysis
Released: 2024-10-11 03:01:09
Radio observation of the FBOT AT 2024wpp with the Allen Telescope Array
I. Sfaradi (UC Berkeley), R. Margutti (UC Berkeley), W. Farah (SETI Institute, UC Berkeley), E. Wiston (UC Berkeley), N…
Keywords: Radio, Supernova
Related Objects:
2024wpp
RA, DEC:02:42:05.499, -16:57:22.90
(40.522912, -16.956360)
Redshift:
Type:SN
See object 2024wpp
Related Notes:
2024-272
2024-2902024-09-28 01:58:12
Title: Observations of the Fast-rising Blue Optical Transient AT2024wpp
Authors: Anna Y. Q. Ho (Cornell), Gokul Srinivasaragavan (Maryland),…
Source Group: ZTF
,
2024-278
2024-2902024-10-01 19:51:14
Title: NuSTAR detection of the FBOT AT2024wpp
Authors: R. Margutti, Nayana AJ, R. Chornock, E. Wiston, I. Sfaradi,…
Source Group: TRex
,
2024-280
2024-2902024-10-03 12:02:21
Title: Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Authors: Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michael …
Source Group: ZTF
AstroNote 2024-263
Type: Object/s-Data/Analysis
Released: 2024-09-18 20:57:13
Radio Detection of TDE AT2024rny/ZTF24aazlori with the Very Large Array
Noah Franz (Arizona), Kate D. Alexander (Arizona), Collin T. Christy (Arizona), Suvi Gezari (STScI/JHU), Adelle J. Good…
Keywords: TDE, Time-domain, Radio
Related Objects:
2024rny
RA, DEC:22:57:28.808, +39:25:44.37
(344.370033, 39.428992)
Redshift:0.1055
Type:TDE
See object 2024rny
We report the radio detection of the TDE AT2024rny (z = 0.1055; TNS Classification Report No. 17882) with the VLA Ku-band receiver (~15GHz) at a flux density of 49 +/- 5 microJy.
AstroNote 2024-211
Type: Object/s-Data/Analysis
Released: 2024-08-02 19:19:24
VLA Observation of AT2024qfm
Anna Y. Q. Ho (Cornell)
Source Group: ZTF
Keywords: Radio
Related Objects:
2024qfm
RA, DEC:23:21:23.461, +11:56:32.04
(350.347753, 11.942233)
Redshift:
Type:
See object 2024qfm
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
Related Notes:
2024-206
2024-2112024-07-31 14:13:12
Title: AT2024qfm : a fast, blue, extragalactic transient in ZTF alert stream
Authors: M. Fulton, (QUB), T.-W. Chen (NCU), S. J. Smartt, S. Sriva…
Source Group: OxQUB
,
2024-210
2024-2112024-08-01 18:58:43
Title: Follow-up observations and redshift confirmation of AT2024qfm - a luminous FBOT
Authors: J. H. Gillanders (Oxford), M. Huber, K. Chambers (IfA), S. …
We report a VLA X-band (10 GHz) observation of AT2024qfm, which resulted in a non-detection.
AstroNote 2024-205
Type: Object/s-Data/Analysis
Released: 2024-07-30 20:55:54
AMI-LA radio observation of the TDE AT2024kmq
Adam Lang (HUJI), Assaf Horesh (HUJI), Itai Sfaradi (HUJI), Lauren Rhodes (Oxford), Rob Fender (Oxford), Joe Bright (Ox…
Keywords: Radio, TDE
Related Objects:
2024kmq
RA, DEC:12:02:37.273, +35:23:35.22
(180.655305, 35.393116)
Redshift:
Type:
See object 2024kmq
Related Notes:
2024-202
2024-2052024-07-22 15:38:50
Title: Continued Observations of AT2024kmq (ZTF24aapvieu): Optical, X-ray, and Radio Detections
Authors: Anna Y. Q. Ho (Cornell), Yuhan Yao (UC Berkeley), Igor Andr…
Source Group: ZTF
AstroNote 2024-202
Type: Object/s-Data/Analysis
Released: 2024-07-22 15:39:37
Continued Observations of AT2024kmq (ZTF24aapvieu): Optical, X-ray, and Radio Detections
Anna Y. Q. Ho (Cornell), Yuhan Yao (UC Berkeley), Igor Andreoni (UMD/JSI), Daniel Perley, Jacob Wise, K-Ryan Hinds, Ale…
Source Group: ZTF
Keywords: Radio, X-rays, Ultra-Violet, Optical, Photometry, Spectroscopy
Related Objects:
2024kmq
RA, DEC:12:02:37.273, +35:23:35.22
(180.655305, 35.393116)
Redshift:
Type:
See object 2024kmq
,
2022cmc
RA, DEC:13:34:43.207, +33:13:00.54
(203.680029, 33.216817)
Redshift:
Type:
See object 2022cmc
Related Notes:
2024-155
2024-2022024-06-13 22:23:51
Title: Photometry and Spectroscopy of the Fast Optical Transient AT2024kmq
Authors: Jason Sevilla, Jada L. Vail (Cornell), Chang Liu (Northwest…
Source Group: ZTF
We present luminous optical, UV, X-ray, and radio detections of the fast transient AT2024kmq (z=0.192). The transient is spatially coincident with the nucleus of an early-type galaxy, and we consider…
AstroNote 2024-134
Type: Object/s-Data/Analysis
Released: 2024-05-23 14:39:43
AMI-LA radio detection of the type II SN 2024iss
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Lauren Rhodes (Oxford), Rob Fender (Oxford), Joe Bright (Oxford), Dave Green …
Keywords: Radio, Supernova
Related Objects:
2024iss
RA, DEC:12:59:06.130, +28:48:42.62
(194.775542, 28.811839)
Redshift:0.003334
Type:SN IIb
See object 2024iss
AstroNote 2024-85
Type: Object/s-Data/Analysis
Released: 2024-03-25 15:17:41
AMI-LA radio detection of the type II SN 2024ehs
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Lauren Rhodes (Oxford), Rob Fender (Oxford), Dave Green (Cambridge), David Ti…
Keywords: Supernova, Radio
Related Objects:
2024ehs
RA, DEC:10:53:00.536, +17:34:21.40
(163.252234, 17.572612)
Redshift:0.003776
Type:SN II
See object 2024ehs
AstroNote 2024-70
Type: Object/s-Data/Analysis
Released: 2024-03-11 15:49:23
Radio observations of nearby TDE AT2024bgz/ZTF24aaecooj
Walter W. Golay (Harvard), Kate D. Alexander (Arizona), Edo Berger (Harvard), T. Laskar (Utah), Collin T. Christy (Ariz…
Keywords: TDE, Radio, Photometry, Time-domain, Transient
Related Objects:
2024bgz [ZTF24aaecooj]
RA, DEC:09:44:04.770, -04:12:04.93
(146.019875, -4.201369)
Redshift:0.0585
Type:TDE
See object 2024bgz [ZTF24aaecooj]
Related Notes:
2024-47
2024-702024-02-11 10:21:02
Title: GOTO-FAST spectroscopic classifications of optical transients
Authors: B. Godson, B. Warwick, M. Pursiainen, M. J. Dyer, B. Davie…
Source Group: GOTO
We report new radio observations of the tidal disruption event (TDE) AT2024bgz/ZTF24aaecooj.
AstroNote 2024-56
Type: Object/s-Data/Analysis
Released: 2024-02-16 19:33:11
Radio detection of the nuclear transient AT2020afhd/ZTF20abwtifz
Collin T. Christy (Arizona), Kate D. Alexander (Arizona), Noah Franz (Arizona), Walter W. Golay (Harvard), Suvi Gezari …
Keywords: Radio, Transient, TDE, AGN
Related Objects:
2020afhd [ZTF20abwtifz]
RA, DEC:03:13:35.700, -02:09:06.37
(48.398750, -2.151769)
Redshift:0.027
Type:TDE
See object 2020afhd [ZTF20abwtifz]
Related Notes:
2024-37
2024-562024-02-03 21:44:04
Title: Classification of AT2020afhd / ZTF20abwtifz as a tidal disruption event and report of Swift XRT detection at z = 0.024
Authors: E. Hammerstein (UMD), R. Chornock (Berkeley), S. Gezari (ST…
Source Group: ZTF
,
2024-53
2024-562024-02-15 07:22:43
Title: Re-Classification of AT 2020afhd as a Bowen Fluorescence Flare at z=0.027
Authors: Iair Arcavi, Sara Faris (TAU), Megan Newsome (UCSB/LCO), Ma…
Source Group: StarDestroyers
We report the detection of radio emission coincident with the nuclear transient AT2020afhd.
AstroNote 2023-318
Type: Object/s-Data/Analysis
Released: 2023-11-22 15:34:31
NOEMA 100 GHz detection of AT2023vth
Anna Y. Q. Ho (Cornell), Michael Bremer (IRAM)
Source Group: ZTF
Keywords: Radio
Related Objects:
2023vth
RA, DEC:17:56:34.401, +08:02:37.32
(269.143338, 8.043701)
Redshift:0.0747
Type:FBOT
See object 2023vth
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
,
2022tsd
RA, DEC:03:20:10.863, +08:44:55.63
(50.045264, 8.748787)
Redshift:
Type:
See object 2022tsd
Related Notes:
2023-114
2023-3182023-05-17 18:07:46
Title: ZTF, LT, and Keck/DEIMOS Observations of the Candidate Fast Blue Optical Transient (FBOT) AT2023hkw
Authors: Maggie L. Li (Cornell), Anna Y. Q. Ho (Cornell), Alexei V. …
Source Group: ZTF
,
2023-305
2023-3182023-11-14 08:57:24
Title: Redshift for the candidate Fast Blue Optical Transient AT2023vth
Authors: Ashley Chrimes (ESA-ESTEC), Peter Jonker (Radboud), Andrew …
,
2023-317
2023-3182023-11-21 01:14:38
Title: VLA X-band detection of AT2023vth
Authors: Anna Y. Q. Ho (Cornell)
Source Group: ZTF
We report the detection of 100 GHz radio emission coincident with the luminous fast blue optical transient AT2023vth at z=0.0747.
AstroNote 2023-317
Type: Object/s-Data/Analysis
Released: 2023-11-21 01:14:38
VLA X-band detection of AT2023vth
Anna Y. Q. Ho (Cornell)
Source Group: ZTF
Keywords: Radio
Related Objects:
2023vth
RA, DEC:17:56:34.401, +08:02:37.32
(269.143338, 8.043701)
Redshift:0.0747
Type:FBOT
See object 2023vth
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2023-114
2023-3172023-05-17 18:07:46
Title: ZTF, LT, and Keck/DEIMOS Observations of the Candidate Fast Blue Optical Transient (FBOT) AT2023hkw
Authors: Maggie L. Li (Cornell), Anna Y. Q. Ho (Cornell), Alexei V. …
Source Group: ZTF
,
2023-305
2023-3172023-11-14 08:57:24
Title: Redshift for the candidate Fast Blue Optical Transient AT2023vth
Authors: Ashley Chrimes (ESA-ESTEC), Peter Jonker (Radboud), Andrew …
We report the detection of 10 GHz radio emission coincident with the luminous fast blue optical transient AT2023vth at z=0.0747.
AstroNote 2023-266
Type: Object/s-Data/Analysis
Released: 2023-10-12 11:46:27
Radio observations of Tidal Disruption Event AT2023mfm
Walter W. Golay (Harvard), Yvette Cendes (Harvard), Kate D. Alexander (Arizona), Edo Berger (Harvard), Tarraneh Eftekha…
Keywords: TDE, Radio, Black Hole, Photometry
Related Objects:
2023mfm
RA, DEC:21:37:27.961, -04:20:43.16
(324.366505, -4.345322)
Redshift:0.087
Type:TDE
See object 2023mfm
Related Notes:
2023-250
2023-2662023-09-18 16:20:30
Title: AT2023mfm: a Tidal Disruption Event at z=0.087
Authors: Ryan Chornock, Yuhan Yao, Natalie LeBaron (UC Berkeley), Hu…
AstroNote 2023-237
Type: Object/s-Data/Analysis
Released: 2023-08-27 06:05:56
AMI-LA radio detection of the orphan afterglow candidate AT2023jxk
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Lauren Rhodes (Oxford), Rob Fender (Oxford), Dave Green (Cambridge), David Ti…
Keywords: Radio
Related Objects:
2023jxk
RA, DEC:17:02:36.970, +51:52:05.09
(255.654042, 51.868081)
Redshift:
Type:
See object 2023jxk
Related Notes:
2023-167
2023-2372023-06-07 18:03:21
Title: ZTF and GIT Observations of the Candidate Optical Afterglow AT2023jxk
Authors: Jada Vail, Maggie Li, Anna Ho (Cornell), Harsh Kumar, Vishw…
,
2023-169
2023-2372023-06-09 13:30:11
Title: Swift/XRT Non-detection of AT2023jxk
Authors: Joshua Grajales (Wesleyan), Anna Ho (Cornell)
AstroNote 2023-218
Type: Announcement-General
Released: 2023-08-04 16:34:41
AMI-LA radio detection of the type IIb SN 2023mut
Itai Sfaradi (HUJI), Lauren Rhodes (Oxford), Assaf Horesh (HUJI), Joe bright (Oxford), Rob Fender (Oxford), Dave Green …
Keywords: Radio, Transient, Supernova
Related Objects:
2023mut
RA, DEC:04:48:34.348, +00:14:48.31
(72.143115, 0.246753)
Redshift:0.0022
Type:SN IIb
See object 2023mut
AstroNote 2023-180
Type: Object/s-Data/Analysis
Released: 2023-06-21 00:16:45
Radio Detection of SN2023ixf at 10 GHz
David Matthews, Raffaella Margutti, Nayana AJ, Wynn Jacobson-Galan, Ryan Chornock (UC Berkeley), Kate D. Alexander (Uni…
Keywords: Supernova, Radio, Transient
Related Objects:
2023ixf [ZTF23aaklqou]
RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
See object 2023ixf [ZTF23aaklqou]
Related Notes:
2023-146
2023-1802023-05-27 00:05:53
Title: VLA 10 GHz Observations of SN2023ixf
Authors: David Matthews, Raffaella Margutti (UC Berkeley), Kate D. A…
We report the radio detection of SN2023ixf in the nearby galaxy M101 at 10 GHz
AstroNote 2023-174
Type: Object/s-Data/Analysis
Released: 2023-06-15 21:06:25
VLA X-band detection of AT2023fhn
Anna Y. Q. Ho (Cornell)
Source Group: ZTF
Keywords: Radio
Related Objects:
2023fhn
RA, DEC:10:08:03.815, +21:04:26.95
(152.015896, 21.074153)
Redshift:
Type:
See object 2023fhn
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2023-93
2023-1742023-04-20 16:33:54
Title: ZTF, Gemini, and P200 Observations of the Candidate Luminous Fast Blue Optical Transient AT2023fhn
Authors: Anna Y. Q. Ho (Cornell), Chang Liu (Northwestern), Igor And…
Source Group: ZTF
,
2023-105
2023-1742023-05-02 13:31:41
Title: AT2023fhn Chandra X-ray detection
Authors: Ashley Chrimes (Radboud), Peter Jonker (Radboud), Andrew Le…
We report the detection of luminous radio emission from the fast blue optical transient AT2023fhn at z=0.24.
AstroNote 2023-173
Type: Object/s-Data/Analysis
Released: 2023-06-15 19:46:08
VLA X-band detection of AT2023hkw
Anna Y. Q. Ho (Cornell)
Source Group: ZTF
Keywords: Radio
Related Objects:
2023hkw
RA, DEC:10:42:17.752, +52:29:19.33
(160.573965, 52.488701)
Redshift:
Type:
See object 2023hkw
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
Related Notes:
2023-114
2023-1732023-05-17 18:07:46
Title: ZTF, LT, and Keck/DEIMOS Observations of the Candidate Fast Blue Optical Transient (FBOT) AT2023hkw
Authors: Maggie L. Li (Cornell), Anna Y. Q. Ho (Cornell), Alexei V. …
Source Group: ZTF
We report the detection of luminous radio emission from the luminous fast blue optical transient AT2023hkw at z=0.339.
AstroNote 2023-146
Type: Object/s-Data/Analysis
Released: 2023-05-27 00:05:53
VLA 10 GHz Observations of SN2023ixf
David Matthews, Raffaella Margutti (UC Berkeley), Kate D. Alexander (University of Arizona), Joe Bright (University of …
Keywords: Supernova, Radio, Transient
Related Objects:
2023ixf [ZTF23aaklqou]
RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
See object 2023ixf [ZTF23aaklqou]
We report the radio non-detection of SN2023ixf in the nearby galaxy M101 at 10 GHz.
AstroNote 2023-131
Type: Object/s-Data/Analysis
Released: 2023-05-22 12:48:07
POETS SubMillimeter Array (SMA) Observations of SN 2023ixf
E. Berger (Harvard/CfA), G. Keating (CfA), K. Alexander (Univ. of Arizona), Y. Cendes (Harvard/CfA), T. Eftekhari (Nort…
Keywords: Radio
Related Objects:
2023ixf
RA, DEC:14:03:38.562, +54:18:41.94
(210.910675, 54.311651)
Redshift:0.0008
Type:SN II
See object 2023ixf
We report an SMA non-detection of SN 2023ixf at 230 GHz on 2023 May 21.17 UT, as part of the new large program POETS (Pursuit of Extragalactic Transients with the SMA).
AstroNote 2023-100
Type: Object/s-Data/Analysis
Released: 2023-04-25 17:23:53
AT2023fhn X-ray and millimeter observations: upper limits from Swift and NOEMA
Anna Y. Q. Ho (Cornell), Michael Bremer (IRAM), Steve Schulze (Stockholm University), Daniel Perley (LJMU)
Source Group: ZTF
Keywords: Radio, X-rays
Related Objects:
2023fhn
RA, DEC:10:08:03.815, +21:04:26.95
(152.015896, 21.074153)
Redshift:
Type:
See object 2023fhn
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
,
2022tsd
RA, DEC:03:20:10.863, +08:44:55.63
(50.045264, 8.748787)
Redshift:
Type:
See object 2022tsd
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2023-93
2023-1002023-04-20 16:33:54
Title: ZTF, Gemini, and P200 Observations of the Candidate Luminous Fast Blue Optical Transient AT2023fhn
Authors: Anna Y. Q. Ho (Cornell), Chang Liu (Northwestern), Igor And…
Source Group: ZTF
We report X-ray and millimeter-wave follow-up observations of the luminous fast blue optical transient (LFBOT) AT2023fhn.
AstroNote 2023-51
Type: Announcement-General
Released: 2023-02-28 17:15:49
A possible AMI-LA radio detection of the Tidal Disruption Event AT 2023clx
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Joe Bright (Oxford), Rob Fender (Oxford), Lauren Rhodes (Oxford), Dave Green …
Keywords: TDE, Radio, Transient
Related Objects:
2023clx
RA, DEC:11:40:09.397, +15:19:38.54
(175.039152, 15.327374)
Redshift:
Type:TDE
See object 2023clx
AstroNote 2022-275
Type: Object/s-Data/Analysis
Released: 2022-12-30 17:17:18
Gemini, Swift, and VLA Observations of AT2022abfc, a Radio-loud Fast Optical Transient Coincident with a z=0.212 Galaxy
Anna Y. Q. Ho (Cornell), Chang Liu (Northwestern), Ping Chen (Weizmann), Dan Perley (LJMU), Kailai Wang (Cornell), Ivan…
Source Group: ZTF
Keywords: Radio, X-rays, Optical, Spectroscopy, Photometry
Related Objects:
2022abfc
RA, DEC:04:51:19.197, -26:58:41.60
(72.829987, -26.978222)
Redshift:
Type:
See object 2022abfc
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
We report ZTF forced photometry, Gemini spectroscopy, VLA radio observations, and Swift X-ray observations of the optical transient AT2022abfc. Observations reveal a fast optical duration of a few da…
AstroNote 2022-205
Type: Object/s-Data/Analysis
Released: 2022-10-04 14:01:04
VLA Ku-band Detection of AT2022tsd
Anna Y. Q. Ho (Cornell), Daniel A. Perley (LJMU)
Source Group: ZTF
Keywords: Radio, Transient
Related Objects:
2022tsd
RA, DEC:03:20:10.863, +08:44:55.63
(50.045264, 8.748787)
Redshift:
Type:
See object 2022tsd
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
,
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
Related Notes:
2022-199
2022-2052022-09-29 12:38:33
Title: Keck/LRIS Observations of AT2022tsd, a Fast-Rising Optical Transient Coincident with a z=0.256 Galaxy
Authors: Anna Y. Q. Ho (Cornell), D. A. Perley (LJMU), A. V. Filippe…
Source Group: ZTF
We report the detection of 15 GHz radio emission at the position of the fast optical transient AT2022tsd (z=0.256).
AstroNote 2022-57
Type: Object/s-Data/Analysis
Released: 2022-03-04 11:38:12
A possible VLA radio detection of the Tidal Disruption Event AT 2022dbl
Itai Sfaradi (HUJI), Assaf Horesh (HUJI), Rob Fender (Oxford)
Keywords: TDE, Radio, Transient
Related Objects:
2022dbl
RA, DEC:12:20:45.010, +49:33:04.68
(185.187540, 49.551300)
Redshift:0.0284
Type:TDE
See object 2022dbl
Related Notes:
2022-47
2022-572022-02-21 21:24:09
Title: AT 2022dbl is a Nearby Rising Tidal Disruption Event in an E+A Galaxy
Authors: Iair Arcavi, Yael Dgany, Lydia Makrygianni (Tel Aviv Univer…
Source Group: StarDestroyers
AstroNote 2021-310
Type: Object/s-Data/Analysis
Released: 2021-12-08 14:11:54
Radio detection of the TDE AT2021sdu
Kate D. Alexander (Northwestern U.), James Miller-Jones (ICRAR - Curtin), Sjoert van Velzen (Leiden U.), Dheeraj Pasham…
Keywords: TDE, Transient, Radio, X-rays
Related Objects:
2021sdu [ZTF21abjrysr]
RA, DEC:01:11:23.924, +50:34:29.67
(17.849683, 50.574908)
Redshift:0.059
Type:TDE
See object 2021sdu [ZTF21abjrysr]
We report the detection of evolving radio emission from the TDE AT2021sdu.
AstroNote 2021-309
Type: Object/s-Data/Analysis
Released: 2021-12-08 12:37:21
Radio non-detections of 3 TDEs
Kate D. Alexander (Northwestern U.), Adelle J. Goodwin, James Miller-Jones (ICRAR - Curtin), Sjoert van Velzen (Leiden …
Keywords: TDE, Transient, Radio
Related Objects:
2021ehb [ZTF21aanxhjv]
RA, DEC:03:07:47.806, +40:18:40.57
(46.949190, 40.311268)
Redshift:0.018
Type:TDE
See object 2021ehb [ZTF21aanxhjv]
,
2021mhg [ZTF21abaxaqq]
RA, DEC:00:19:42.900, +29:19:00.70
(4.928750, 29.316861)
Redshift:0.073
Type:TDE
See object 2021mhg [ZTF21abaxaqq]
,
2021nwa [ZTF21abcgnqn]
RA, DEC:15:53:51.279, +55:35:19.67
(238.463663, 55.588798)
Redshift:0.047
Type:TDE
See object 2021nwa [ZTF21abcgnqn]
Related Notes:
2021-103
2021-3092021-03-26 13:33:55
Title: ZTF21aanxhjv/AT2021ehb: ZTF discovery of a young, UV-bright tidal disruption event
Authors: Suvi Gezari (STScI), Erica Hammerstein (UMD), Yuhan Yao (Ca…
Source Group: ZTF
,
2021-183
2021-3092021-07-01 21:10:58
Title: AT2021ehb/ZTF21aanxhjv: Tidal Disruption Event that is Brightening in the X-rays
Authors: Yuhan Yao (Caltech), Murray Brightman (Caltech), Suvi Gezar…
Source Group: ZTF
,
2021-24
2021-3092021-01-20 03:56:21
Title: Radio detections of TDEs AT2020ksf and AT2020zso
Authors: Kate D. Alexander (Northwestern U.), Sjoert van Velzen (Lei…
We report radio non-detections of three TDEs: AT2021ehb, AT2021mhg, and AT2021nwa.
AstroNote 2021-211
Type: Object/s-Data/Analysis
Released: 2021-08-03 15:16:19
VLA, SRG, and Swift Observations of AT2021tnj/ZTF21abmdcbi
Yuhan Yao (Caltech), Anna Y. Q. Ho (UC Berkeley), Marat Gilfanov (IKI, MPA), Daniel A. Perley (LJMU), and Rashid Sunyae…
Keywords: X-rays, Radio, Time-domain, Transient
Related Objects:
2021tnj [ZTF21abmdcbi]
RA, DEC:01:41:20.099, +23:01:49.49
(25.333747, 23.030415)
Redshift:
Type:
See object 2021tnj [ZTF21abmdcbi]
Related Notes:
2021-205
2021-2112021-07-29 23:43:44
Title: Discovery of a fast-fading luminous transient at z=0.228 with the Zwicky Transient Facility, the Liverpool Telescope, and Gemini Observatory
Authors: Anna Y. Q. Ho (UC Berkeley), D. Perley (LJMU), Y. Yao (Calt…
Source Group: ZTF
We report VLA, SRG, and Swift observations of the fast-fading luminous transient AT2021tnj.
AstroNote 2021-73
Type: Object/s-Data/Analysis
Released: 2021-02-22 17:12:14
Radio detection of the hydrogen-poor super-luminous supernova 2020tcw at 64 days post discovery
Deanne L. Coppejans, David Matthews, Raffaella Margutti, Giacomo Terreran, Wynn Jacobson-Galan (Northwestern U.), Edo B…
Keywords: Transient, Supernova, Radio
Related Objects:
2020tcw [ATLAS20zst]
RA, DEC:15:28:17.080, +39:56:50.53
(232.071167, 39.947369)
Redshift:0.0645
Type:SLSN-I
See object 2020tcw [ATLAS20zst]
Related Notes:
2020-192
2021-732020-10-14 13:49:07
Title: ZTF Detection and Classification of Nearby Superluminous Supernova SN2020tcw
Authors: Daniel Perley (LJMU), Jesper Sollerman (Stockholm), Christo…
Source Group: ZTF
We have detected radio emission from the hydrogen-poor super-luminous supernova 2020tcw at 64 days post discovery.
AstroNote 2021-66
Type: Object/s-Data/Analysis
Released: 2021-02-15 20:59:32
Radio detection of the hydrogen-poor super-luminous supernova SN 2017ens at 3.6 years post explosion
Deanne L. Coppejans (Northwestern U.), David Matthews (Northwestern U.), Raffaella Margutti (Northwestern U.), Giacomo …
Keywords: Supernova, Radio, Transient, Time-domain
Related Objects:
2017ens [ATLAS17gqa]
RA, DEC:12:04:09.367, -01:55:52.25
(181.039030, -1.931180)
Redshift:
Type:
See object 2017ens [ATLAS17gqa]
We report the detection of 6 GHz radio emission from the hydrogen-poor super-luminous supernova 2017ens
AstroNote 2021-56
Type: Object/s-Data/Analysis
Released: 2021-02-08 11:24:16
Radio detection of Supernova SN2021bhd
Itai Sfaradi, Assaf Horesh (Hebrew University of Jerusalem)
Keywords: Supernova, Radio, Transient
Related Objects:
2021bhd [ATLAS21dfr]
RA, DEC:13:48:14.769, +68:05:22.94
(207.061538, 68.089705)
Redshift:0.006
Type:SN Ib/c
See object 2021bhd [ATLAS21dfr]
Related Notes:
2021-31
2021-562021-01-29 00:34:33
Title: ATLAS21dfr (AT2021bhd): discovery of a candidate SN in UGC 08737 (39 Mpc)
Authors: L. Shingles, K. W. Smith, S. Srivastav, O. McBrien, S. J. S…
Source Group: ATLAS
,
2021-39
2021-562021-02-01 20:16:35
Title: Classification of SN 2021bhd (ATLAS21dfr) as a Type Ib/c supernova with Gemini-N / GMOS
Authors: T.-W. Chen (Stockholm), M. Huber, K. C. Chambers (IfA, Hawa…
Source Group: ATLAS
Here we report our VLA observation of the Type Ib/c supernova SN2021bhd. We detect a single point source (consistent with the position of SN2021bhd) with a flux level of ~0.47 mJy at a central freque…
AstroNote 2021-24
Type: Object/s-Data/Analysis
Released: 2021-01-20 18:28:05
Radio detections of TDEs AT2020ksf and AT2020zso
Kate D. Alexander (Northwestern U.), Sjoert van Velzen (Leiden U.), James Miller-Jones, Gemma Anderson (Curtin U.), Edo…
Keywords: TDE, Transient, Radio
Related Objects:
2020ksf
RA, DEC:21:35:27.260, -18:16:35.54
(323.863583, -18.276539)
Redshift:
Type:
See object 2020ksf
,
2020zso
RA, DEC:22:22:17.130, -07:15:59.08
(335.571375, -7.266411)
Redshift:0.061
Type:TDE
See object 2020zso
We report the first radio observations taken as part of a new VLA Large Program dedicated to tidal disruption events (TDEs). We detect faint emission coincident with the TDEs AT2020ksf and AT2020zso.
AstroNote 2020-204
Type: Object/s-Data/Analysis
Released: 2020-10-23 23:13:04
VLA X-band Detection of AT2020xnd
A. Y. Q. Ho (UC Berkeley), D. A. Perley (LJMU), and Y. Yao (Caltech)
Keywords: Time-domain, Transient, Radio
Related Objects:
2020xnd
RA, DEC:22:20:02.030, -02:50:25.30
(335.008458, -2.840361)
Redshift:
Type:
See object 2020xnd
,
2018cow
RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
See object 2018cow
Related Notes:
2020-199
2020-2042020-10-21 18:38:14
Title: Observations of ZTF20acigmel / AT2020xnd, a distant fast optical transient similar to AT2018cow
Authors: Daniel A. Perley (LJMU), Anna Ho (UC Berkeley), Christoffer…
Source Group: ZTF
We report the detection of luminous radio emission from the fast blue optical transient AT2020xnd at z=0.2442.
AstroNote 2020-176
Type: Announcement-General
Released: 2020-09-15 06:46:45
VLA detection of the Type II SN2020qmp
Itai Sfaradi, Assaf Horesh (HUJI), Mansi Kasliwal, Srinivasaragavan Gokul P., Kishalay De, Jacob Jencson (Caltech)
Keywords: Transient, Supernova, Radio
Related Objects:
2020qmp
RA, DEC:12:08:44.440, +36:48:17.28
(182.185167, 36.804800)
Redshift:0.003
Type:SN II
See object 2020qmp
Related Notes:
2020-149
2020-1762020-07-31 15:27:40
Title: Spectroscopic classification of the bright NIR transient PGIR20eid/SN2020qmp as a young Type II supernova in UGC07125
Authors: K. De (Caltech), M. Hankins (Caltech), M. M. Kasliwal (Calt…
Source Group: Gattini
AstroNote 2020-160
Type: Announcement-Data Release
Released: 2020-08-21 15:05:46
Fast Radio Burst Catalogue on the TNS
Emily Petroff (University of Amsterdam), Ofer Yaron (WIS)
Source Group: FRBCAT
Keywords: Catalogs, Radio, Fast Radio Burst
The contents of the Fast Radio Burst Catalogue (FRBCAT) have now been migrated to the Transient Name Server. All archival FRB events reported in the literature are now available and searchable throug…
AstroNote 2020-70
Type: Announcement-Tool/Utility
Released: 2020-03-30 09:30:37
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)
Keywords: Time-domain, Fast Radio Burst, Radio, Astronomical Databases, Catalogs
As of March 2020 the TNS serves as the official name server and hub for distribution of FRB events. At the request of this community, the TNS now operates two engines for designation of names, the o…
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…

Most Viewed

AstroNote 2022-145
Released: 2022-07-16
Views Count: 6191
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 Co…
AstroNote 2023-136
Released: 2023-05-23
Views Count: 5770
Early multiband light curve of SN 2023ixf
Juan-Luis González-Carballo, R. G. Farfán, F. Limón, J. L. Salto, C. Botana, A. Mantero, G. Locatel…
AstroNote 2023-119
Released: 2023-05-19
Views Count: 5163
LT Classification of SN 2023ixf as a Type II Supernova in M101
Daniel A. Perley (LJMU), Avishay Gal-Yam (Weizmann), Ido Irani (Weizmann), Erez Zimmerman (Weizmann)
AstroNote 2020-100
Released: 2020-05-07
Views Count: 2713
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schweye…
AstroNote 2023-265
Released: 2023-10-11
Views Count: 2406
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu-J…
AstroNote 2020-89
Released: 2020-04-22
Views Count: 2401
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O'…
AstroNote 2023-130
Released: 2023-05-22
Views Count: 2399
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, Yujing…
AstroNote 2019-163
Released: 2019-12-31
Views Count: 2225
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A. …
AstroNote 2020-126
Released: 2020-06-25
Views Count: 2157
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. Srivastav…
AstroNote 2020-70
Released: 2020-03-30
Views Count: 2026
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

2024-376
Released: 2024-12-17
Views Count: 36
BlackGEM Finder Charts with Transient Reports
P.J. Groot (Radboud/UCT/SAAO), P.M. Vreeswijk (Radboud), S. Bloemen (Radboud), H. Tranin (Barcelona), J. van Roestel (UvA), E. Zi…
2024-280
Released: 2024-10-03
Views Count: 327
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), P…