AstroNotes

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Showing results 1 to 18 out of 18
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 (...
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
AstroNote 2024-2722024-09-28 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
AstroNote 2024-2802024-10-03 12:02:21
Title: Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Authors: Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michae...
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),...
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
AstroNote 2024-2722024-09-28 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
AstroNote 2024-2782024-10-01 19:51:14
Title: NuSTAR detection of the FBOT AT2024wpp
Authors: R. Margutti, Nayana AJ, R. Chornock, E. Wiston, I. Sfarad...
Source Group: TRex
,
2024-280
AstroNote 2024-2802024-10-03 12:02:21
Title: Keck Cosmic Web Imager host galaxy redshift of AT2024wpp
Authors: Daniel A. Perley (LJMU), Yu-Jing Qin (Caltech), R. Michae...
Source Group: ZTF
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
AstroNote 2024-2062024-07-31 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. Sri...
Source Group: OxQUB
,
2024-210
AstroNote 2024-2102024-08-01 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 (...
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
AstroNote 2024-2022024-07-22 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 An...
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, A...
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
AstroNote 2024-1552024-06-13 22:23:51
Title: Photometry and Spectroscopy of the Fast Optical Transient AT2024kmq
Authors: Jason Sevilla, Jada L. Vail (Cornell), Chang Liu (Northwe...
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 consid...
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 Gree...
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 2024-56
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 Gezar...
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
AstroNote 2024-372024-02-03 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 (...
Source Group: ZTF
,
2024-53
AstroNote 2024-532024-02-15 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), ...
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
AstroNote 2023-1142023-05-17 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
AstroNote 2023-3052023-11-14 08:57:24
Title: Redshift for the candidate Fast Blue Optical Transient AT2023vth
Authors: Ashley Chrimes (ESA-ESTEC), Peter Jonker (Radboud), Andre...
,
2023-317
AstroNote 2023-3172023-11-21 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
AstroNote 2023-1142023-05-17 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
AstroNote 2023-3052023-11-14 08:57:24
Title: Redshift for the candidate Fast Blue Optical Transient AT2023vth
Authors: Ashley Chrimes (ESA-ESTEC), Peter Jonker (Radboud), Andre...
We report the detection of 10 GHz radio emission coincident with the luminous fast blue optical transient AT2023vth at z=0.0747.
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 ...
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
AstroNote 2023-1672023-06-07 18:03:21
Title: ZTF and GIT Observations of the Candidate Optical Afterglow AT2023jxk
Authors: Jada Vail, Maggie Li, Anna Ho (Cornell), Harsh Kumar, Vis...
,
2023-169
AstroNote 2023-1692023-06-09 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 Gree...
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 2023-174
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
AstroNote 2023-932023-04-20 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 A...
Source Group: ZTF
,
2023-105
AstroNote 2023-1052023-05-02 13:31:41
Title: AT2023fhn Chandra X-ray detection
Authors: Ashley Chrimes (Radboud), Peter Jonker (Radboud), Andrew ...
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
AstroNote 2023-1142023-05-17 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 2023-131
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 (No...
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
AstroNote 2023-932023-04-20 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 A...
Source Group: ZTF
We report X-ray and millimeter-wave follow-up observations of the luminous fast blue optical transient (LFBOT) AT2023fhn.
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), Iv...
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 ...
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
AstroNote 2022-1992022-09-29 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. Filip...
Source Group: ZTF
We report the detection of 15 GHz radio emission at the position of the fast optical transient AT2022tsd (z=0.256).

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AstroNote 2022-145
Released: 2022-07-16
Views Count: 6141
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 ...
AstroNote 2023-136
Released: 2023-05-23
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Early multiband light curve of SN 2023ixf
Juan-Luis González-Carballo, R. G. Farfán, F. Limón, J. L. Salto, C. Botana, A. Mantero, G. Locat...
AstroNote 2023-119
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Views Count: 5098
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: 2704
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
Daniel Perley (LJMU), Cristina Barbarino (Stockholm), Jesper Sollerman (Stockholm), Tassilo Schwe...
AstroNote 2020-89
Released: 2020-04-22
Views Count: 2390
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
M. Fulton, K. W. Smith, S. Srivastav, O. McBrien, S. J. Smartt, J. Gillanders, P. Clark, D. O...
AstroNote 2023-265
Released: 2023-10-11
Views Count: 2375
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
Nabeel Rehemtulla (NU), Adam Miller (NU), Christoffer Fremling (Caltech), D. A. Perley (LJMU), Yu...
AstroNote 2023-130
Released: 2023-05-22
Views Count: 2374
Onset of SN 2023ixf observed over East Asian longitudes
Yiming Mao, Mi Zhang, Guangyao Cai, Jinan Chen, Jin Chen, Xing Gao, Keying Li, Xiaodong Lyu, Yuji...
AstroNote 2019-163
Released: 2019-12-31
Views Count: 2213
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
S. Taubenberger (MPA), D. Malesani (DTU Space), G. Terreran (Northwestern), S. J. Smartt (QUB), A...
AstroNote 2020-126
Released: 2020-06-25
Views Count: 2146
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...
AstroNote 2020-70
Released: 2020-03-30
Views Count: 2019
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS
O. Yaron, E. Ofek, A. Gal-Yam, A. Sass (Weizmann)

Recent Released Tools

AstroNote 2024-280
Released: 2024-10-03
Views Count: 307
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),...
AstroNote 2024-172
Released: 2024-06-27
Views Count: 179
An Upcoming ZTF Experiment: Extended Deep-drilling Observations in the Galactic Plane
Zach Vanderbosch (Caltech), Paula Szkody (UW/Seattle), Tom Prince (Caltech), Eric Bellm (UW/Seattle), Ilaria Caiazzo (ISTA), An...