Showing results 1 to 50 out of 2,137
AstroNote 2026-14
Type: Object/s-Discovery/Classification
Released: 2026-01-23 11:21:04
SLSN and TDE candidates from NEEDLE on Lasair
A. Aamer (Arizona), X. Sheng, M. Nicholl, K. W. Smith, C. R. Angus, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Mag…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2026zf [ZTF26aaapfgh]
RA, DEC:11:43:07.161, +57:08:42.64
(175.779838, 57.145176)
Redshift:
Type:
See object 2026zf [ZTF26aaapfgh]
,
2025agnm [ZTF25achcijr]
RA, DEC:10:12:42.513, +15:04:08.36
(153.177137, 15.068989)
Redshift:
Type:
See object 2025agnm [ZTF25achcijr]
,
2025aljc [ZTF26aaadaia]
RA, DEC:07:55:47.423, -01:36:32.22
(118.947596, -1.608950)
Redshift:
Type:
See object 2025aljc [ZTF26aaadaia]
,
2026anr [ZTF26aablqlw]
RA, DEC:00:16:42.571, +30:52:51.95
(4.177379, 30.881098)
Redshift:
Type:
See object 2026anr [ZTF26aablqlw]
We report 3 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2026-13
Type: Object/s-Discovery/Classification
Released: 2026-01-22 10:41:39
Classification of SN 2026ayt as a Young Type II Supernova
Wynn Jacobson-Galán (Caltech)
Source Group: ZTF
Related Objects:
2026ayt [ATLAS26ayq]
RA, DEC:09:27:23.390, -32:00:30.88
(141.847459, -32.008577)
Redshift:0.0036
Type:SN II
See object 2026ayt [ATLAS26ayq]
We report the classification of SN 2026ayt as a likely young type II supernova in UGCA 165 at ~16 Mpc.
AstroNote 2026-12
Type: Object/s-Discovery/Classification
Released: 2026-01-21 17:46:09
Kinder follow-up observations of AT 2026ayt (ATLAS26ayq)
C.-H. Lai, A. Aryan, T.-W. Chen, W.-J. Hou, H.-Y. Hsiao (all NCU), S. J. Smartt, S. Srivastav (both Oxford), A. K. H. K…
Source Group: Kinder
Keywords: Transient
Related Objects:
2026ayt [ATLAS26ayq]
RA, DEC:09:27:23.390, -32:00:30.88
(141.847459, -32.008577)
Redshift:0.0036
Type:SN II
See object 2026ayt [ATLAS26ayq]
We observed AT 2026ayt (ATLAS26ayq) with the Lulin One-meter Telescope at Lulin Observatory, Taiwan. Our data confirm a rise of ~ 0.5 mag within one day of discovery. From the multi-band photometry, …
AstroNote 2026-11
Type: Object/s-Discovery/Classification
Released: 2026-01-21 16:15:00
ATLAS26ayq (AT2026ayt): discovery of a rapidly rising transient possibly associated with UGCA 165 (16 Mpc)
S. Srivastav (Oxford), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2026ayt [ATLAS26ayq]
RA, DEC:09:27:23.390, -32:00:30.88
(141.847459, -32.008577)
Redshift:0.0036
Type:SN II
See object 2026ayt [ATLAS26ayq]
We report the ATLAS discovery of the transient AT2026ayt, possibly associated with the nearby, irregular galaxy UGCA 165. The discovery magnitude is m_o = 16.24 +/- 0.02, discovered on MJD 61060.91. …
AstroNote 2026-10
Type: Object/s-Discovery/Classification
Released: 2026-01-20 15:05:39
TDE candidates from POTICA
E. Concepcion, S. Bhattacharyya, A. Gomboc, T. Petrushevska, O. Razim, G. Contardo, E. Umuzigazuba (University of Nova …
Related Objects:
2026adv [ZTF26aabdbey]
RA, DEC:14:31:03.702, +36:01:40.31
(217.765424, 36.027865)
Redshift:0.0836
Type:SN Ia
See object 2026adv [ZTF26aabdbey]
,
2026mh [ZTF26aaadhkv]
RA, DEC:10:02:22.380, -13:02:21.01
(150.593251, -13.039171)
Redshift:
Type:
See object 2026mh [ZTF26aaadhkv]
We report two possible TDEs identified by our photometric classifier POTICA (Photometric Optical TDE Identification and Classification Annotator). Both objects are distinctly blue and still on the ri…
AstroNote 2026-9
Type: Object/s-Data/Analysis
Released: 2026-01-20 10:20:48
BHTOM photometry of SN 2025iek
P. Pessi (NCBJ), L. Wyrzykowski (NCBJ/OAUW), A. F. Gillan (NCBJ), P. Mikolajczyk (NCBJ/UWr), K. Kotysz (UWr/OAUW), on b…
Related Objects:
2025iek
RA, DEC:15:55:01.666, +03:56:55.66
(238.756942, 3.948794)
Redshift:0.1467
Type:SN IIn
See object 2025iek
We report two epochs of r and i band photometry of the transient 2025iek, which may be associated with an AGN flare rather than a supernova.
AstroNote 2026-8
Type: Object/s-Discovery/Classification
Released: 2026-01-18 16:57:47
Hostless candidates detected by ELEPHANT
R. Durgesh (independent), P. Pessi (NCBJ), E. E. O. Ishida (CNRS), E. E. Hayes (KIC), L. Nakazono (USP), R. A. P. Oliv…
Source Group: COIN
Keywords: Time-domain, Surveys, Transient
Related Objects:
2026pl [ZTF26aaacdvu]
RA, DEC:07:01:58.302, +23:11:13.71
(105.492926, 23.187142)
Redshift:
Type:
See object 2026pl [ZTF26aaacdvu]
,
2026ako [ZTF26aaaqepm]
RA, DEC:15:15:56.401, +09:14:37.42
(228.985006, 9.243728)
Redshift:
Type:
See object 2026ako [ZTF26aaaqepm]
,
2026pm [ZTF26aaacimu]
RA, DEC:09:44:37.418, +31:58:38.40
(146.155910, 31.977332)
Redshift:
Type:
See object 2026pm [ZTF26aaacimu]
We report 3 hostless candidates selected by the ELEPHANT pipeline.
AstroNote 2026-7
Type: Object/s-Discovery/Classification
Released: 2026-01-16 19:15:01
ZTF Classification of AT 2025aljd/ZTF25aclckzl as a likely TDE
R. Chornock (UC Berkeley), E. Hammerstein (UC Berkeley), R. Stein (UMD/JSI), and J. Carney (UNC), on behalf of the ZTF …
Source Group: ZTF
Keywords: Transient, TDE, Optical
Related Objects:
2025aljd [ZTF25aclckzl]
RA, DEC:09:37:40.689, +20:02:14.98
(144.419537, 20.037496)
Redshift:0.15
Type:TDE
See object 2025aljd [ZTF25aclckzl]
We spectroscopically classify the optical transient AT2025aljd/ZTF25aclckzl as a TDE at redshift z=0.150 using the Shane 3 m telescope at Lick Observatory.
AstroNote 2026-6
Type: Object/s-Discovery/Classification
Released: 2026-01-16 15:43:39
SLSN and TDE candidates from NEEDLE on Lasair
X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Magill, A. Sm…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2025aiad [ZTF25acktbjh]
RA, DEC:11:49:03.119, -02:24:27.87
(177.262994, -2.407741)
Redshift:
Type:
See object 2025aiad [ZTF25acktbjh]
,
2026nk [ZTF26aaaanam]
RA, DEC:02:40:39.145, +02:48:30.84
(40.163105, 2.808568)
Redshift:
Type:
See object 2026nk [ZTF26aaaanam]
,
2026gz [ZTF26aaaagat]
RA, DEC:00:41:35.759, -05:04:14.33
(10.398995, -5.070647)
Redshift:0.1203
Type:SLSN-II
See object 2026gz [ZTF26aaaagat]
,
2025aljd [ZTF25aclckzl]
RA, DEC:09:37:40.689, +20:02:14.98
(144.419537, 20.037496)
Redshift:0.15
Type:TDE
See object 2025aljd [ZTF25aclckzl]
We report 3 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2026-5
Type: Object/s-Discovery/Classification
Released: 2026-01-15 21:49:52
Re-Classification of AT 2025afsj as a Bowen Fluorescence Flare
Benny Trakhtenbrot (Tel Aviv University), Iair Arcavi (Tel Aviv University), Kathryn Wynn (UCSB/Las Cumbres), Moira And…
Related Objects:
2025afsj
RA, DEC:12:55:07.057, +34:08:46.95
(193.779403, 34.146376)
Redshift:0.1654
Type:AGN
See object 2025afsj
Using new Las Cumbres spectroscopy, we re-classify the transient AT 2025afsj as a Bowen Fluorescence Flare (BFF). This constitutes the third robust example of a BFF reported to occur in a previously …
AstroNote 2026-4
Type: Object/s-Discovery/Classification
Released: 2026-01-14 18:40:50
ATLAS26anf (AT2026acd): discovery of a candidate young SN in NGC 4168 (32 Mpc)
A. Aamer (UA/QUB), S. Srivastav (Oxford), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2026acd [ATLAS26anf]
RA, DEC:12:12:12.756, +13:13:18.30
(183.053149, 13.221751)
Redshift:0.00758
Type:SN Ia
See object 2026acd [ATLAS26anf]
Here we report the ATLAS discovery of the transient ATLAS26anf (AT2026acd) in galaxy NGC 4168 at magnitude m_o = 18.88 +/- 0.14. At a distance of 32 Mpc, the transient was discovered on MJD = 61054…
AstroNote 2026-3
Type: Object/s-Discovery/Classification
Released: 2026-01-11 20:59:17
ATLAS26afg (AT2026ob): discovery of a candidate SN in NGC 0134 (18 Mpc)
A. Aamer (UA/QUB), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. S…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2026ob [ATLAS26afg]
RA, DEC:00:30:19.804, -33:15:00.95
(7.582516, -33.250264)
Redshift:
Type:
See object 2026ob [ATLAS26afg]
Here we report the ATLAS discovery of the transient ATLAS26afg (AT2026ob) in galaxy NGC 0134 at magnitude m_o = 18.26 +/- 0.13. At a distance of 18 Mpc, the transient was discovered on MJD = 61051.2…
AstroNote 2026-2
Type: Object/s-Discovery/Classification
Released: 2026-01-09 11:25:47
SLSN and TDE candidates from NEEDLE on Lasair
X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Magill, A. Sm…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2025ahxn [ZTF25acinhwn]
RA, DEC:08:18:51.357, +50:11:08.87
(124.713986, 50.185796)
Redshift:
Type:
See object 2025ahxn [ZTF25acinhwn]
,
2025ahbb [ZTF25acgtdgz]
RA, DEC:13:49:45.013, +08:09:24.17
(207.437552, 8.156714)
Redshift:
Type:
See object 2025ahbb [ZTF25acgtdgz]
,
2025ahjh [ZTF25acgvbov]
RA, DEC:02:51:43.641, +14:24:04.38
(42.931838, 14.401217)
Redshift:0.284
Type:SLSN-I
See object 2025ahjh [ZTF25acgvbov]
,
2025agsx [ZTF25achdnxq]
RA, DEC:23:21:34.274, +09:39:26.29
(350.392810, 9.657302)
Redshift:
Type:
See object 2025agsx [ZTF25achdnxq]
,
2025agiu [ZTF25acffgtx]
RA, DEC:09:35:19.545, -08:20:41.47
(143.831438, -8.344853)
Redshift:
Type:
See object 2025agiu [ZTF25acffgtx]
We report 4 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2026-1
Type: Object/s-Discovery/Classification
Released: 2026-01-08 22:09:24
COLIBRÍ optical detection of a transient source
Alan M. Watson (UNAM), Diego López-Cámara (UNAM), Ny Avo Rakotondrainibe (LAM), Noémie Globus (UNAM), Stéphane Basa (UA…
Related Objects:
2025alij [mystery source]
RA, DEC:06:57:45.530, +23:22:18.20
(104.439708, 23.371722)
Redshift:0.256
Type:SN Ia
See object 2025alij [mystery source]
AstroNote 2025-350
Type: Object/s-Data/Analysis
Released: 2025-12-30 16:23:09
AMI-LA radio observation of the TDE 2025CYH
Nadav Shoval (HUJI) , Assaf Horesh (HUJI), Andrew Hughes(Oxford), Joe Bright (Oxford), Yirmi Bernstein (HUJI), Adam Lan…
Keywords: Transient, TDE, Radio
Related Objects:
2025cyh
RA, DEC:18:34:46.681, +31:50:05.25
(278.694506, 31.834790)
Redshift:0.105
Type:TDE
See object 2025cyh
We report the possible detection of the TDE 2025CYH with the radio telescope AMI-LA at 15.5 GHz.
AstroNote 2025-349
Type: Object/s-Discovery/Classification
Released: 2025-12-29 21:37:05
ATLAS25qko (AT2025ajmj): discovery of a young candidate SN in IC 4366 (68 Mpc)
K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, A. Aamer, C. …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025ajmj [ATLAS25qko]
RA, DEC:14:05:12.760, -33:46:01.92
(211.303167, -33.767200)
Redshift:0.013
Type:SN Ia
See object 2025ajmj [ATLAS25qko]
Here we report the ATLAS discovery of the transient ATLAS25qko (AT2025ajmj) in galaxy IC 4366 at magnitude m_o = 18.06 +/- 0.14. At a distance of 68 Mpc, the transient was discovered on MJD = 61038.3…
AstroNote 2025-348
Type: Object/s-Discovery/Classification
Released: 2025-12-27 09:22:47
Tentative spectroscopic classification of AT 2025afsj as a TDE in AGN
Mingxin Wu (USTC), Ning Jiang (USTC), Linna Xu (USTC), Shifeng Huang (USTC), Yibo Wang (USTC), Tinggui Wang (USTC), Che…
Keywords: Time-domain, Spectroscopy, TDE, AGN, X-rays
Related Objects:
2025afsj
RA, DEC:12:55:07.057, +34:08:46.95
(193.779403, 34.146376)
Redshift:0.1654
Type:AGN
See object 2025afsj
Related Notes:
2025-341
2025-3482025-12-18 11:20:17
Title: TDE candidates from POTICA
Authors: E. Concepcion, S. Bhattacharyya, A. Gomboc, T. Petrushevska…
We report the optical spectroscopic and Swift observations of AT 2025afsj and tentatively classify it as a TDE in AGN.
AstroNote 2025-347
Type: Object/s-Discovery/Classification
Released: 2025-12-22 04:11:17
Spectroscopic classification of SN 2025anhj as a young, blue, and rising Type Ibn SN
Kaustav K. Das (Caltech), Daniel A. Perley (LJMU), Avinash Singh, Jesper Sollerman, Anjasha Gangopadhyay (OKC), Anna Ho…
Source Group: ZTF
Related Objects:
2025ahnj
RA, DEC:00:23:38.496, -01:27:32.77
(5.910400, -1.459103)
Redshift:0.067
Type:SN Ibn
See object 2025ahnj
We report Keck/LRIS spectroscopy of SN 2025anhj, a Type Ibn supernova discovered by the Zwicky Transient Facility (ZTF25acipmxl). The classification is based on weak He I P-Cygni features, residual C…
AstroNote 2025-346
Type: Object/s-Discovery/Classification
Released: 2025-12-21 13:38:29
ATLAS25qaf (AT2025ahuw): discovery of a candidate SN in KK 2852 (49 Mpc)
L. Eastman (Oxford), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025ahuw [ATLAS25qaf]
RA, DEC:10:48:10.095, -65:19:28.35
(162.042063, -65.324541)
Redshift:0.01135
Type:SN
See object 2025ahuw [ATLAS25qaf]
Here we report the ATLAS discovery of the transient ATLAS25qaf (AT2025ahuw) in galaxy KK 2852 at magnitude m_c = 18.16 +/- 0.11. At a distance of 49 Mpc, the transient was discovered on MJD = 61029…
AstroNote 2025-345
Type: Object/s-Discovery/Classification
Released: 2025-12-21 04:45:43
Discovery and classification of SN 2025ahqr, a highly reddened low luminosity Type Iax in M108 (9 Mpc)
Nabeel Rehemtulla (Northwestern, CIERA), Jesper Sollerman (Stockholm), Chang Liu (Northwestern, CIERA), Wynn Jacobson-G…
Source Group: ZTF
Related Objects:
2025ahqr [ZTF25acepvuo]
RA, DEC:11:11:25.977, +55:40:29.77
(167.858238, 55.674935)
Redshift:0.002328
Type:SN Iax[02cx-like]
See object 2025ahqr [ZTF25acepvuo]
We report the discovery of a highly reddened transient in Messier 108 (9 Mpc) and classify it as a low luminosity Type Iax. With Gemini/GMOS spectroscopy, we measure low expansion velocities (v
AstroNote 2025-344
Type: Object/s-Discovery/Classification
Released: 2025-12-20 20:01:15
Hostless candidates detected by ELEPHANT
R. Durgesh (independent), P. Pessi (NCBJ), E. E. O. Ishida (CNRS), E. E. Hayes (KIC), L. Nakazono (USP), R. A. P. Olive…
Source Group: COIN
Keywords: Time-domain, Surveys, Transient
Related Objects:
2025agnm [ZTF25achcijr]
RA, DEC:10:12:42.513, +15:04:08.36
(153.177137, 15.068989)
Redshift:
Type:
See object 2025agnm [ZTF25achcijr]
,
2025ahdt [ZTF25acgngdl]
RA, DEC:21:41:27.257, -04:20:22.09
(325.363570, -4.339469)
Redshift:0.06
Type:SN Ia
See object 2025ahdt [ZTF25acgngdl]
,
2025afyx [ZTF25acfxvix]
RA, DEC:21:51:33.180, +22:03:05.78
(327.888250, 22.051605)
Redshift:
Type:
See object 2025afyx [ZTF25acfxvix]
We report 3 hostless candidates selected by the ELEPHANT pipeline.
AstroNote 2025-343
Type: Object/s-Discovery/Classification
Released: 2025-12-19 13:01:17
SLSN and TDE candidates from NEEDLE on Lasair
X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Magill, A. Sm…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2025agnz [ZTF25acgtayx]
RA, DEC:12:59:24.238, +16:08:37.02
(194.850991, 16.143616)
Redshift:
Type:
See object 2025agnz [ZTF25acgtayx]
,
2025agny [ZTF25acffqol]
RA, DEC:11:27:51.085, +20:12:15.87
(171.962853, 20.204408)
Redshift:
Type:
See object 2025agny [ZTF25acffqol]
We report 1 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2025-342
Type: Object/s-Discovery/Classification
Released: 2025-12-19 10:17:58
Optical spectroscopic and Swift observations of TDE 2025afvr
Mingxin Wu (USTC), Yibo Wang (USTC), Shifeng Huang (USTC), Linna Xu (USTC), Ning Jiang (USTC), Tinggui Wang (USTC).
Source Group: USTC-TDE
Keywords: Spectroscopy, Transient, TDE, X-rays
Related Objects:
2025afvr
RA, DEC:01:07:36.302, +24:22:39.82
(16.901258, 24.377728)
Redshift:
Type:TDE-featureless
See object 2025afvr
We report the optical spectroscopic and Swift observations of TDE 2025afvr which is still in rising phase in optical band.
AstroNote 2025-341
Type: Object/s-Discovery/Classification
Released: 2025-12-18 15:02:29
TDE candidates from POTICA
E. Concepcion, S. Bhattacharyya, A. Gomboc, T. Petrushevska, O. Razim, G. Contardo, E. Umuzigazuba (University of Nova …
Keywords: Transient, Supernova, TDE
Related Objects:
2025afsj [ZTF18aaxqitv]
RA, DEC:12:55:07.057, +34:08:46.95
(193.779403, 34.146376)
Redshift:0.1654
Type:AGN
See object 2025afsj [ZTF18aaxqitv]
,
2025agis [ZTF18aafhmpq]
RA, DEC:07:24:29.556, +08:33:57.57
(111.123149, 8.565993)
Redshift:0.107
Type:SN Ia
See object 2025agis [ZTF18aafhmpq]
We report two possible TDEs identified by our photometric classifier POTICA (Photometric Optical TDE Identification and Classification Annotator), currently in its testing phase. The lightcurve of …
AstroNote 2025-340
Type: Object/s-Discovery/Classification
Released: 2025-12-17 12:14:48
Tentative classification of the optical transient AT 2025afvr as a featureless tidal disruption event.
Panos Charalampopoulos (Univ. Turku)
Keywords: Time-domain, Transient, TDE
Related Objects:
2025afvr [ZTF25acfyeke]
RA, DEC:01:07:36.302, +24:22:39.82
(16.901258, 24.377728)
Redshift:
Type:TDE-featureless
See object 2025afvr [ZTF25acfyeke]
Related Notes:
2025-335
2025-3402025-12-12 11:20:45
Title: SLSN and TDE candidates from NEEDLE on Lasair
Authors: X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M…
Source Group: OxQUB
We present a NOT/ALFOSC optical spectrum of the rising optical transient AT 2025afvr. The spectrum is blue and featureless. There are no evident host galaxy lines and no spectroscopic redshift for th…
AstroNote 2025-339
Type: Object/s-Discovery/Classification
Released: 2025-12-17 03:08:36
Discovery of 20 Supernova Candidates (zhost = 0.072 - 3.087) using NGDEEP JWST/NIRCam Images
Magdalena Sammut (University of Arizona), Christa DeCoursey (University of Arizona), Eiichi Egami (University of Arizon…
Related Objects:
2024aiie
RA, DEC:03:32:59.505, -27:52:17.40
(53.247939, -27.871501)
Redshift:
Type:
See object 2024aiie
,
2024aiid
RA, DEC:03:33:05.709, -27:50:25.83
(53.273787, -27.840509)
Redshift:
Type:
See object 2024aiid
,
2024aiic
RA, DEC:03:33:04.073, -27:50:41.50
(53.266971, -27.844861)
Redshift:
Type:
See object 2024aiic
,
2024aiib
RA, DEC:03:33:03.076, -27:50:56.74
(53.262818, -27.849096)
Redshift:
Type:
See object 2024aiib
,
2024aiia
RA, DEC:03:32:57.165, -27:49:28.12
(53.238188, -27.824478)
Redshift:
Type:
See object 2024aiia
,
2024aihz
RA, DEC:03:32:59.916, -27:49:23.73
(53.249650, -27.823259)
Redshift:
Type:
See object 2024aihz
,
2024aihy
RA, DEC:03:32:58.419, -27:48:42.52
(53.243412, -27.811811)
Redshift:
Type:
See object 2024aihy
,
2024aihx
RA, DEC:03:33:02.976, -27:52:14.09
(53.262399, -27.870581)
Redshift:
Type:
See object 2024aihx
,
2024aihw
RA, DEC:03:33:00.251, -27:52:19.89
(53.251047, -27.872193)
Redshift:
Type:
See object 2024aihw
,
2024aihv
RA, DEC:03:33:05.798, -27:50:44.36
(53.274159, -27.845656)
Redshift:
Type:
See object 2024aihv
,
2024aihu
RA, DEC:03:32:59.594, -27:49:12.55
(53.248307, -27.820151)
Redshift:
Type:
See object 2024aihu
,
2024aiht
RA, DEC:03:33:06.894, -27:51:30.28
(53.278723, -27.858411)
Redshift:
Type:
See object 2024aiht
,
2024aihs
RA, DEC:03:32:59.855, -27:51:42.27
(53.249395, -27.861741)
Redshift:
Type:
See object 2024aihs
,
2024aihr
RA, DEC:03:33:01.494, -27:49:12.93
(53.256223, -27.820258)
Redshift:
Type:
See object 2024aihr
,
2024aihq
RA, DEC:03:32:56.631, -27:49:17.38
(53.235961, -27.821495)
Redshift:
Type:
See object 2024aihq
,
2023aefc
RA, DEC:03:33:00.622, -27:51:37.67
(53.252591, -27.860464)
Redshift:
Type:
See object 2023aefc
,
2023aefb
RA, DEC:03:33:00.159, -27:49:23.53
(53.250664, -27.823203)
Redshift:
Type:
See object 2023aefb
,
2023aefa
RA, DEC:03:32:58.037, -27:49:04.72
(53.241823, -27.817978)
Redshift:
Type:
See object 2023aefa
,
2023aeez
RA, DEC:03:32:56.435, -27:49:47.83
(53.235145, -27.829952)
Redshift:
Type:
See object 2023aeez
,
2023aeey
RA, DEC:03:32:54.423, -27:48:31.02
(53.226762, -27.808617)
Redshift:
Type:
See object 2023aeey
We report 20 supernova candidates with magnitudes down to ~30.4 AB mag collected from the NGDEEP (PI: Finkelstein; PID: 2079) survey data. They are hosted by galaxies with redshifts ranging from z=0…
AstroNote 2025-338
Type: Object/s-Discovery/Classification
Released: 2025-12-17 03:08:02
Discovery of 4 Supernova Candidates (zhost = 0.35 - 2.92) in GOODS-S using JWST Program 3215 and OASIS JWST/NIRCam Images
Magdalena Sammut (University of Arizona), Christa DeCoursey (University of Arizona), Eiichi Egami (University of Arizon…
Related Objects:
2024aihp
RA, DEC:03:32:16.024, -27:51:42.91
(53.066768, -27.861920)
Redshift:
Type:
See object 2024aihp
,
2024aiho
RA, DEC:03:32:20.346, -27:52:23.39
(53.084775, -27.873164)
Redshift:
Type:
See object 2024aiho
,
2023aeex
RA, DEC:03:32:18.269, -27:51:34.89
(53.076121, -27.859691)
Redshift:
Type:
See object 2023aeex
,
2024aihn
RA, DEC:03:32:23.084, -27:50:56.16
(53.096185, -27.848932)
Redshift:
Type:
See object 2024aihn
We report 4 supernova candidates with magnitudes down to ~30.2 AB mag in the GOODS-S field hosted by galaxies with redshifts z=0.342, z~2.55, z~2.92, and one of unknown redshift. We found these sourc…
AstroNote 2025-337
Type: Announcement-Campaign/Survey
Released: 2025-12-15 19:50:37
Planned HST observations of SN 2025afcr
R. Quimby, S. Gomez, A. Fruchter, and T. Moriya on behalf of a larger collaboration
Related Objects:
2025afcr
RA, DEC:12:38:41.774, +07:36:37.68
(189.674059, 7.610465)
Redshift:0.1335
Type:SLSN-I
See object 2025afcr
Related Notes:
2025-333
2025-3372025-12-02 23:32:31
Title: Liverpool Telescope and P200 classification of 2025afcr as a bright, pre-maximum SLSN-I at z = 0.1335
Authors: Jacob Wise (LJMU), Ragnhild Lunnan (OKC), Steve Schulze (CI…
Source Group: ZTF
AstroNote 2025-336
Type: Object/s-Discovery/Classification
Released: 2025-12-15 15:39:43
ATLAS25pss (AT2025agwd): discovery of a candidate SN in ESO 507- G 037 (44 Mpc)
A. J. Smith (QUB), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. S…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025agwd [ATLAS25pss]
RA, DEC:12:53:10.810, -27:28:03.60
(193.295043, -27.467666)
Redshift:
Type:
See object 2025agwd [ATLAS25pss]
Here we report the ATLAS discovery of the transient ATLAS25pss (AT2025agwd) in galaxy ESO 507- G 037 at magnitude m_o = 18.49 +/- 0.18. At a distance of 44 Mpc, the transient was discovered on MJD =…
AstroNote 2025-335
Type: Object/s-Discovery/Classification
Released: 2025-12-12 11:21:17
SLSN and TDE candidates from NEEDLE on Lasair
X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Magill, A. Sm…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2025aeuq
RA, DEC:08:07:34.171, +47:56:36.50
(121.892379, 47.943472)
Redshift:0.135
Type:SLSN-I
See object 2025aeuq
,
2025aezg [ZTF25acexsew]
RA, DEC:03:38:13.138, -25:09:15.22
(54.554740, -25.154228)
Redshift:
Type:
See object 2025aezg [ZTF25acexsew]
,
2025afvr [ZTF25acfyeke]
RA, DEC:01:07:36.302, +24:22:39.82
(16.901258, 24.377728)
Redshift:
Type:TDE-featureless
See object 2025afvr [ZTF25acfyeke]
We report 2 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2025-334
Type: Object/s-Discovery/Classification
Released: 2025-12-10 17:41:00
ATLAS25plg (AT2025aggl): discovery of a candidate SN in UGC 03766 (81 Mpc)
K. W. Smith (Oxford/QUB), A. J. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, …
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025aggl [ATLAS25plg]
RA, DEC:07:14:50.030, +16:58:47.01
(108.708460, 16.979724)
Redshift:0.0163
Type:SN IIn
See object 2025aggl [ATLAS25plg]
Here we report the ATLAS discovery of the transient ATLAS25plg (AT2025aggl) in galaxy UGC 03766 at magnitude m_o = 18.72 +/- 0.18. At a distance of 81 Mpc, the transient was discovered on MJD = 6101…
AstroNote 2025-333
Type: Object/s-Discovery/Classification
Released: 2025-12-03 18:33:27
Liverpool Telescope and P200 classification of 2025afcr as a bright, pre-maximum SLSN-I at z = 0.1335
Jacob Wise (LJMU), Ragnhild Lunnan (OKC), Steve Schulze (CIERA), Lin Yan (Caltech), Christoffer Fremling (Caltech), Wyn…
Source Group: ZTF
Related Objects:
2025afcr [ZTF25acemaph]
RA, DEC:12:38:41.774, +07:36:37.68
(189.674059, 7.610465)
Redshift:0.1335
Type:SLSN-I
See object 2025afcr [ZTF25acemaph]
Related Notes:
2022-191
2025-3332022-08-15 12:08:04
Title: The Next Generation SuperFit (NGSF) tool is now available for online execution on WISeREP
Authors: Samantha Goldwasser, Ofer Yaron, Avner Sass, Ido Irani, Avi…
,
2024-340
2025-3332024-11-16 06:37:08
Title: The First Science Spectrum with the Next Generation Palomar Spectrograph (NGPS): Classification of ZTF24abrfcqd as a Type Ia Supernova
Authors: Mansi M. Kasliwal, Christoffer Fremling, Lin Yan, Kaustav D…
Source Group: ZTF
We report ZTF, Liverpool Telescope, Palomar P200 and Swift observations of 2025afcr/ZTF25acemaph. We find it to be a bright (g < 18) pre-maximum SLSN-I at a redshift of z = 0.1335 in a compact star-f…
AstroNote 2025-332
Type: Object/s-Discovery/Classification
Released: 2025-12-02 01:23:03
Classification of Bright, Nearby Transients During Nov 21 and Nov 24
Yize Dong (Harvard/CfA), Anya Nugent (Harvard/CfA), S. Karthik Yadavalli (Harvard/CfA), V. Ashley Villar (Harvard/CfA),…
Source Group: VHU-TDA
Keywords: Spectroscopy, Transient, Supernova, Optical
Related Objects:
2025aarn
RA, DEC:04:37:19.577, -08:46:35.95
(69.331570, -8.776654)
Redshift:0.01685
Type:SN II
See object 2025aarn
,
2025aaxz
RA, DEC:09:44:34.866, +55:45:43.41
(146.145275, 55.762057)
Redshift:0.025
Type:SN II
See object 2025aaxz
,
2025abdd
RA, DEC:07:52:48.983, +69:00:14.78
(118.204097, 69.004106)
Redshift:0.01298
Type:SN Ic
See object 2025abdd
,
2025abmj
RA, DEC:11:32:32.000, +48:21:51.92
(173.133331, 48.364422)
Redshift:0.034
Type:SN II
See object 2025abmj
,
2025abob
RA, DEC:03:31:32.223, +04:55:37.36
(52.884264, 4.927043)
Redshift:0.037
Type:SN II
See object 2025abob
,
2025acnj
RA, DEC:04:33:31.391, +68:19:59.63
(68.380796, 68.333231)
Redshift:0.0116
Type:SN IIb
See object 2025acnj
,
2025acrr
RA, DEC:05:14:45.178, -14:26:58.73
(78.688240, -14.449647)
Redshift:0.036
Type:SN Ia
See object 2025acrr
,
2025acrz
RA, DEC:21:51:58.048, +17:52:48.51
(327.991866, 17.880142)
Redshift:0.098
Type:SN Ia
See object 2025acrz
,
2025acsj
RA, DEC:11:33:55.950, +49:23:02.47
(173.483124, 49.384019)
Redshift:0.05
Type:SN Ia
See object 2025acsj
,
2025aedq
RA, DEC:23:18:40.211, +27:38:48.53
(349.667547, 27.646814)
Redshift:0.0666
Type:SN Ia
See object 2025aedq
,
2025cku
RA, DEC:09:50:44.767, +27:18:08.75
(147.686530, 27.302432)
Redshift:0.075
Type:SN IIn
See object 2025cku
,
2025uam
RA, DEC:07:47:55.594, +34:02:06.94
(116.981640, 34.035262)
Redshift:0.0154
Type:SN II
See object 2025uam
,
2025ztn
RA, DEC:02:03:00.504, -09:39:50.05
(30.752099, -9.663902)
Redshift:0.0123
Type:SN IIb
See object 2025ztn
We report the classifications of 3 transients, including 1 Type II and 2 Type Ia. We also upload the followup spectra of 10 transients.
AstroNote 2025-331
Type: Object/s-Discovery/Classification
Released: 2025-11-30 17:03:51
WFST251129euxe (AT 2025afih): discovery of a fast optical transient at 80 Mpc
Dezheng Meng, Zelin Xu, Weiyu Wu, Junhan Zhao, Zhengyan Liu, Ziqing Jia, Ji-an Jiang (USTC) on behalf of the WFST colla…
Source Group: WFST
Keywords: Time-domain, Surveys, Photometry, Transient, Supernova, Optical
Related Objects:
2025afih [WFST251129euxe]
RA, DEC:02:03:03.912, +04:14:37.24
(30.766301, 4.243677)
Redshift:0.019
Type:SN Ia
See object 2025afih [WFST251129euxe]
Related Notes:
2024-230
2025-3312024-08-28 14:12:42
Title: 545 supernova candidates from the WFST pilot survey
Authors: Ji-an Jiang (USTC), Zelin Xu (USTC), Weiyu Wu (USTC), Dezhe…
Source Group: WFST
,
2025-58
2025-3312025-02-13 14:14:05
Title: 330 supernova candidates from the first two months of the WFST deep high-cadence ugr-bands survey
Authors: Ji-an Jiang, Zelin Xu, Dezheng Meng, Weiyu Wu, Zhengyan Liu…
Source Group: WFST
We report a fast rising transient WFST251129euxe (AT 2025afih) discovered by the 2.5-m Wide Field Survey Telescope (WFST) through the Deep High-cadence ugr-band Survey.
AstroNote 2025-330
Type: Object/s-Discovery/Classification
Released: 2025-11-28 13:22:58
Detection of a possible fifth image of SN 2025wny (SN Winny)
A. Aryan, T.-W. Chen, Y.-H. Lee (NCU), A. Galan, E. Mamuzic, A. G. Schweinfurth, S. H. Suyu, S. Taubenberger (TUM/MPA),…
Source Group: HOLISMOKES
Keywords: Transient, Supernova, Optical
Related Objects:
2025wny [ZTF25abnjznp]
RA, DEC:07:16:34.500, +38:21:08.11
(109.143748, 38.352253)
Redshift:2.011
Type:SLSN-I
See object 2025wny [ZTF25abnjznp]
Related Notes:
2025-296
2025-3302025-10-04 21:57:10
Title: Liverpool Telescope Discovery of Multiple Images from AT2025wny (ZTF25abnjznp/GOTO25gtq)
Authors: Jacob Wise (LJMU), Daniel Perley (LJMU), Ariel Goobar (OKC)…
Source Group: ZTF
,
2025-306
2025-3302025-10-23 15:07:41
Title: Keck/LRIS Classification of SN2025wny as a Strongly Lensed Type I Superluminous Supernova at z=2.01
Authors: Joel Johansson (OKC), Yu-Jing Qin (Caltech), Ariel Goobar (…
CFHT r'-band observations reveal another transient point source near the four known images of SN 2025wny, possibly a fifth strongly lensed SN image.
AstroNote 2025-329
Type: Object/s-Discovery/Classification
Released: 2025-11-27 20:24:22
Possible rebrightening of AT 2024uuw observed by ATLAS
C. R. Angus (QUB), K. W. Smith (Oxford/QUB), T.-W. Chen (NCU), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moor…
Source Group: ATLAS
Related Objects:
2024uuw [GOTO24fqo]
RA, DEC:06:36:34.335, -33:20:42.66
(99.143064, -33.345185)
Redshift:
Type:
See object 2024uuw [GOTO24fqo]
We report on a re-brightening or second transient event towards the position of AT 2024uuw in ATLAS photometry light curves, 436 days after initial discovery in GOTO. The second flare is approximatel…
AstroNote 2025-328
Type: Announcement-General
Released: 2025-11-27 17:50:44
Gamma-ray upper limits the on the rising phase of TDE 2025aarm from observations by the MAGIC and LST-1 telescopes
David Paneque (MPP Munich), M. Teshima (MPP Munich), Maria Kherlakian (RUB), Andrea Simongini (INAF-Rome, Uniroma2), Hi…
Related Objects:
2025aarm [BGEM J043212.39-052239.7]
RA, DEC:04:32:12.399, -05:22:39.51
(68.051664, -5.377641)
Redshift:0.01368
Type:TDE
See object 2025aarm [BGEM J043212.39-052239.7]
We report upper-limits obtained at 200 GeV - 50 TeV with the MAGIC and LST-1 telescopes of the nearby TDE 2025aarm.
AstroNote 2025-327
Type: Object/s-Discovery/Classification
Released: 2025-11-27 11:39:05
Shane KAST & Liverpool Telescope observations of AT 2025zmb/ZTF25abuovxv, a candidate optically overluminous featureless TDE
Aleksandra Bochenek (LJMU), Zoë McGrath (LJMU), Jacob Wise (LJMU), Daniel Perley (LJMU), R. Michael Rich (UCLA), Christ…
Source Group: ZTF
Keywords: Photometry, Spectroscopy, Transient, TDE
Related Objects:
2025zmb [ZTF25abuovxv]
RA, DEC:06:09:46.694, +35:34:19.94
(92.444560, 35.572207)
Redshift:
Type:
See object 2025zmb [ZTF25abuovxv]
Related Notes:
2025-307
2025-3272025-10-24 10:55:26
Title: SLSN and TDE candidates from NEEDLE on Lasair
Authors: X. Sheng, M. Nicholl, K. W. Smith, A. Aamer, C. R. Angus, M…
Source Group: OxQUB
,
2025-310
2025-3272025-10-29 02:38:54
Title: ZTF superluminous supernova candidates
Authors: Aiswarya Sankar.K, Ting-Wan Chen (NCU), Yang Hu, Ragnhild L…
Source Group: ZTF
We report the observations of AT 2025zmb/ZTF25abuovxv, which we tentatively classify as a candidate optically overluminous featureless TDE, following its spectroscopic observations with the Kast spec…
AstroNote 2025-326
Type: Object/s-Discovery/Classification
Released: 2025-11-23 00:55:10
ATLAS25omp (AT2025aecv): discovery of a candidate SN in NGC 4441 (39 Mpc)
K. W. Smith (Oxford/QUB), T.-W. Chen (NCU), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sh…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025aecv [ATLAS25omp]
RA, DEC:12:27:19.927, +64:48:12.05
(186.833029, 64.803348)
Redshift:0.0088
Type:SN II
See object 2025aecv [ATLAS25omp]
Here we report the ATLAS discovery of the transient ATLAS25omp (AT2025aecv) in galaxy NGC 4441 at magnitude m_w = 17.42 +/- 0.04. At a distance of 39 Mpc, the transient was discovered on MJD = 60997…
AstroNote 2025-325
Type: Object/s-Discovery/Classification
Released: 2025-11-19 03:06:27
ZTF Identification of ZTF25absjioz (AT 2018mqa) as a possible low-luminosity TDE at 63 Mpc
R. Stein (JSI), Y. Yao (UC Berkeley), X. J. Hall (CMU), K. Das (Caltech), J. Johansson (Stockholm), M. Kasliwal (Caltec…
Source Group: ZTF
Keywords: Transient, TDE
Related Objects:
2018mqa [ZTF25absjioz]
RA, DEC:08:10:06.057, +24:55:19.88
(122.525237, 24.922189)
Redshift:0.014
Type:TDE
See object 2018mqa [ZTF25absjioz]
Related Notes:
2025-64
2025-3252025-02-15 18:44:13
Title: ZTF Complete Astronomical Transient Survey within 150 Mpc (CATS150)
Authors: Kaustav K. Das, Mansi M. Kasliwal, Theophile Jegou du Laz, …
Source Group: ZTF
We report the identification of optical transient ZTF25absjioz/AT 2018mqa as a possible tidal disruption event (TDE). The transient is located in the nucleus of a nearby galaxy at 63 Mpc, with a low …
AstroNote 2025-324
Type: Object/s-Data/Analysis
Released: 2025-11-18 12:02:11
LCO observations of AT 2025adje (ASASSN-25et), a bright supernova candidate in PGC 047292, at a redshift of z = 0.00796
P.G. Berdayes, J. Basurto Merino, A. Caballero-Almagro, A. Cerón, M. Contreras, F. Díaz-Segado, T. Ferrer-Laviña, B. Ga…
Source Group: ULL-ASTRO-MASTER
Keywords: Transient, Supernova, Optical
Related Objects:
2025adje [ASASSN-25et]
RA, DEC:13:28:48.658, +38:44:47.39
(202.202742, 38.746496)
Redshift:0.00796
Type:SN II
See object 2025adje [ASASSN-25et]
We report on Las Cumbres Observatory (LCO) observations of the bright supernova candidate AT 2025adje, discovered by ASAS-SN (ASASSN-25et) after seasonal break and located close to the galaxy PGC 047…
AstroNote 2025-323
Type: Object/s-Discovery/Classification
Released: 2025-11-14 15:17:09
SLSN and TDE candidates from NEEDLE on Lasair
A. Aamer, C. R. Angus, X. Sheng, M. Nicholl, K. W. Smith, M. Fulton, T. Moore, J. Weston, D. R. Young, D. Magill, A. Sm…
Source Group: OxQUB
Keywords: Time-domain, Transient, Supernova, TDE
Related Objects:
2025abwv [ZTF25acbcpff]
RA, DEC:05:05:46.916, +05:44:01.43
(76.445484, 5.733729)
Redshift:0.106
Type:SN Ia
See object 2025abwv [ZTF25acbcpff]
,
2025absg [ZTF25acafwrq]
RA, DEC:08:24:54.851, -14:26:50.46
(126.228548, -14.447351)
Redshift:
Type:
See object 2025absg [ZTF25acafwrq]
,
2025aazi [ZTF25abxpson]
RA, DEC:09:41:58.095, +75:03:36.72
(145.492064, 75.060200)
Redshift:
Type:
See object 2025aazi [ZTF25abxpson]
,
2025abec [ZTF25abypomt]
RA, DEC:01:14:43.481, +14:05:16.53
(18.681172, 14.087925)
Redshift:
Type:
See object 2025abec [ZTF25abypomt]
,
2025acrq [ZTF25accwqaq]
RA, DEC:00:21:58.570, +06:55:31.09
(5.494042, 6.925302)
Redshift:0.088
Type:SN Ia
See object 2025acrq [ZTF25accwqaq]
,
2025acct [ZTF25acbaljt]
RA, DEC:02:06:56.291, -09:36:49.14
(31.734546, -9.613650)
Redshift:
Type:
See object 2025acct [ZTF25acbaljt]
Related Notes:
2025-312
2025-3232025-10-31 14:34:26
Title: SLSN and TDE candidates from NEEDLE on Lasair
Authors: A. Aamer, X. Sheng, M. Nicholl, K. W. Smith, C. R. Angus, M…
Source Group: OxQUB
We report 5 SLSN and 1 TDE candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these even…
AstroNote 2025-322
Type: Object/s-Data/Analysis
Released: 2025-11-14 13:01:48
H.E.S.S. observations and upper limits on the very-high-energy gamma-ray emission of TDE 2025aarm
L. Mohrmann (MPIK) for the H.E.S.S. Collaboration
Keywords: TDE, Gamma Rays
Related Objects:
2025aarm
RA, DEC:04:32:12.399, -05:22:39.51
(68.051664, -5.377641)
Redshift:0.01368
Type:TDE
See object 2025aarm
We report very-high-energy gamma-ray upper limits obtained with the High Energy Stereoscopic System (H.E.S.S.) for the nearby TDE 2025aarm.
AstroNote 2025-321
Type: Object/s-Discovery/Classification
Released: 2025-11-14 11:20:02
ATLAS25nsq (SN2025acfm): discovery of a Type IIP SN in IC1722 (54 Mpc)
J. Tweddle (Oxford), K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X…
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025acfm
RA, DEC:01:43:00.374, -34:11:35.13
(25.751558, -34.193092)
Redshift:0.0139
Type:SN IIP
See object 2025acfm
Here we report the ATLAS discovery of the transient ATLAS25nsq (SN2025acfm) in galaxy IC1722 at magnitude m_o = 18.40 +/- 0.16. At a distance of 54 Mpc, the transient was discovered on MJD = 60981…
AstroNote 2025-320
Type: Object/s-Discovery/Classification
Released: 2025-11-12 21:07:59
SN 2024qiw as a Possible iPTF14hls-like Supernova
Iair Arcavi (TAU), Erez Zimmerman (WIS), Joseph Farah (UCSB/Las Cumbres), Paul Groot (Radboud)
Related Objects:
2024qiw
RA, DEC:04:52:54.700, -05:32:04.13
(73.227917, -5.534481)
Redshift:0.0094
Type:SN II-pec
See object 2024qiw
Based on multiple photometric peaks and a non-nebular Type II spectrum we suggest that SN 2024qiw is an iPTF14hls-like supernova, now ~500-600 days from explosion.
AstroNote 2025-319
Type: Object/s-Discovery/Classification
Released: 2025-11-10 10:37:20
Classification of AT 2025ukn as an Extreme Nuclear Transient (ENT)
Sara Faris (TAU), Lloyd Landsberg, Francois Campher and Moses Mlangeni (UCT), Fiorenzo Stoppa (Oxf), Iair Arcavi (TAU),…
Related Objects:
2025ukn
RA, DEC:22:13:33.539, -22:30:51.97
(333.389746, -22.514436)
Redshift:0.13
Type:AGN
See object 2025ukn
We report the classification of AT 2025ukn as an Extreme Nuclear Transient (ENT), given AGN-like features in the spectrum and a long rise to ~-22 magnitude.
AstroNote 2025-318
Type: Object/s-Data/Analysis
Released: 2025-11-09 20:31:05
X-ray detection of the off-nuclear TDE 2025abcr using Swift
Xander J. Hall (CMU), Robert Stein (JSI), Raffaella Margutti (UC Berkeley), Ryan Chornock (UC Berkeley), Erica Hammerst…
Source Group: DESIRT
Keywords: Transient, TDE, Ultra-Violet, X-rays
Related Objects:
TDE2025abcr
RA, DEC:01:46:55.400, -15:22:15.71
(26.730831, -15.371032)
Redshift:0.05
Type:TDE-H-He
See object TDE2025abcr
Related Notes:
2025-317
2025-3182025-11-09 03:54:08
Title: ZTF Classification of ZTF25abxvhmk/AT 2025abcr as a likely offnuclear TDE, possibly from an IMBH, at z=0.05
Authors: R. Stein (JSI), J. Carney (UNC), I. Andreoni (UNC), R. Chor…
Source Group: ZTF
We report a Swift-XRT detection of X-ray emission from the off-nuclear IMBH–TDE candidate 2025abcr. The X-rays are luminous and ultrasoft, while contemporaneous Swift-UVOT photometry shows the source…
AstroNote 2025-317
Type: Object/s-Discovery/Classification
Released: 2025-11-09 03:54:08
ZTF Classification of ZTF25abxvhmk/AT 2025abcr as a likely offnuclear TDE, possibly from an IMBH, at z=0.05
R. Stein (JSI), J. Carney (UNC), I. Andreoni (UNC), R. Chornock (UC Berkeley), S. Gezari (UMd), Erica Hammerstein (UC B…
Source Group: ZTF
Keywords: Transient, TDE
Related Objects:
2025abcr
RA, DEC:01:46:55.400, -15:22:15.71
(26.730831, -15.371032)
Redshift:0.05
Type:TDE-H-He
See object 2025abcr
We report the classification of optical transient ZTF25abxvhmk/AT 2025abcr as a likely offnuclear tidal disruption event (TDE). Subsequent follow-up suggests a probable TDE-H-He classification. The l…
AstroNote 2025-316
Type: Object/s-Data/Analysis
Released: 2025-11-07 23:42:09
X-ray detection of the TDE 2025aarm using Chandra
J. Somalwar (UC Berkeley/KIPAC@Stanford), R. Chornock (UC Berkeley), R. Margutti (UC Berkeley), I. Sfaradi (UC Berkeley…
Related Objects:
2025aarm
RA, DEC:04:32:12.399, -05:22:39.51
(68.051664, -5.377641)
Redshift:0.01368
Type:TDE
See object 2025aarm
We report the detection of X-ray emission coincident with the nearby tidal disruption event TDE 2025aarm
AstroNote 2025-315
Type: Object/s-Data/Analysis
Released: 2025-11-07 21:47:53
Radio detection of TDE 2025aarm with the Very Large Array
Collin T. Christy (Arizona), Kate D. Alexander (Arizona), Noah Franz (Arizona), Tanmoy Laskar (Utah), Yvette Cendes (Or…
Keywords: TDE, Radio
Related Objects:
2025aarm
RA, DEC:04:32:12.399, -05:22:39.51
(68.051664, -5.377641)
Redshift:0.01368
Type:TDE
See object 2025aarm
Related Notes:
2025-311
2025-3152025-10-30 18:30:50
Title: Classification of AT 2025aarm as a Rising Nearby H+He TDE
Authors: Sara Faris (Tel Aviv University), Hugo Tranin (Universitat …
Source Group: StarDestroyers
,
2025-313
2025-3152025-11-02 04:38:19
Title: Radio upper limits from the TDE 2025aarm using the Allen Telescope Array
Authors: Itai Sfaradi (UC Berkeley), Erica Hammerstein (UC Berkeley)…
We report the detection of radio emission coincident with the nearby tidal disruption event TDE 2025aarm.

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