Showing results 1 to 50 out of 2,106
Liverpool Telescope and P200 classification of 2025afcr as a bright, pre-maximum SLSN-I at z = 0.1335
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
Related Notes: ,
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…
Classification of Bright, Nearby Transients During Nov 21 and Nov 24
Source Group: VHU-TDA
Related Objects:
2025aarn
, RA, DEC:04:37:19.578, -08:46:35.93
(69.331573, -8.776647)
Redshift:0.01685
Type:SN II
2025aaxz
, RA, DEC:09:44:34.863, +55:45:43.55
(146.145261, 55.762097)
Redshift:0.025
Type:SN II
2025abdd
, RA, DEC:07:52:48.983, +69:00:14.78
(118.204097, 69.004106)
Redshift:0.01298
Type:SN Ic
2025abmj
, , RA, DEC:11:32:32.000, +48:21:51.92
(173.133331, 48.364422)
Redshift:0.034
Type:SN II
2025acnj
, RA, DEC:04:33:31.391, +68:19:59.63
(68.380796, 68.333231)
Redshift:0.0116
Type:SN IIb
2025acrr
, RA, DEC:05:14:45.174, -14:26:58.85
(78.688223, -14.449680)
Redshift:0.036
Type:SN Ia
2025acrz
, , RA, DEC:21:51:58.048, +17:52:48.51
(327.991866, 17.880142)
Redshift:0.098
Type:SN Ia
2025aedq
, RA, DEC:23:18:40.211, +27:38:48.53
(349.667547, 27.646814)
Redshift:0.0666
Type:SN Ia
2025cku
, RA, DEC:09:50:44.767, +27:18:08.75
(147.686530, 27.302432)
Redshift:0.075
Type:SN IIn
2025uam
, RA, DEC:07:47:55.594, +34:02:06.94
(116.981640, 34.035262)
Redshift:0.0154
Type:SN II
2025ztn
RA, DEC:02:03:00.498, -09:39:50.06
(30.752077, -9.663906)
Redshift:0.0123
Type:SN IIb
We report the classifications of 3 transients, including 1 Type II and 2 Type Ia. We also upload the followup spectra of 10 transients.
WFST251129euxe (AT 2025afih): discovery of a fast optical transient at 80 Mpc
Source Group: WFST
Related Objects:
2025afih [WFST251129euxe]
RA, DEC:02:03:03.912, +04:14:37.22
(30.766301, 4.243672)
Redshift:0.019
Type:SN Ia
Related Notes: ,
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.
Detection of a possible fifth image of SN 2025wny (SN Winny)
Source Group: HOLISMOKES
Related Objects:
2025wny [ZTF25abnjznp]
RA, DEC:07:16:34.500, +38:21:08.11
(109.143748, 38.352253)
Redshift:2.011
Type:SLSN-I
Related Notes: ,
CFHT r'-band observations reveal another transient point source near the four known images of SN 2025wny, possibly a fifth strongly lensed SN image.
Possible rebrightening of AT 2024uuw observed by ATLAS
Source Group: ATLAS
Related Objects:
2024uuw [GOTO24fqo]
RA, DEC:06:36:34.335, -33:20:42.66
(99.143064, -33.345185)
Redshift:
Type:
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…
Gamma-ray upper limits the on the rising phase of TDE 2025aarm from observations by the MAGIC and LST-1 telescopes
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
We report upper-limits obtained at 200 GeV - 50 TeV with the MAGIC and LST-1 telescopes of the nearby TDE 2025aarm.
Shane KAST & Liverpool Telescope observations of AT 2025zmb/ZTF25abuovxv, a candidate optically overluminous featureless TDE
Source Group: ZTF
Related Objects:
2025zmb [ZTF25abuovxv]
RA, DEC:06:09:46.701, +35:34:19.97
(92.444588, 35.572213)
Redshift:
Type:
Related Notes: ,
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…
ATLAS25omp (AT2025aecv): discovery of a candidate SN in NGC 4441 (39 Mpc)
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
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…
ZTF Identification of ZTF25absjioz (AT 2018mqa) as a possible low-luminosity TDE at 63 Mpc
Source Group: ZTF
Related Objects:
2018mqa [ZTF25absjioz]
RA, DEC:08:10:06.057, +24:55:19.88
(122.525237, 24.922189)
Redshift:0.014
Type:TDE
Related Notes:
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 …
LCO observations of AT 2025adje (ASASSN-25et), a bright supernova candidate in PGC 047292, at a redshift of z = 0.00796
Source Group: ULL-ASTRO-MASTER
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
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…
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025abwv [ZTF25acbcpff]
, RA, DEC:05:05:46.916, +05:44:01.43
(76.445484, 5.733729)
Redshift:0.106
Type:SN Ia
2025absg [ZTF25acafwrq]
, RA, DEC:08:24:54.851, -14:26:50.46
(126.228548, -14.447351)
Redshift:
Type:
2025aazi [ZTF25abxpson]
, RA, DEC:09:41:58.095, +75:03:36.72
(145.492064, 75.060200)
Redshift:
Type:
2025abec [ZTF25abypomt]
, RA, DEC:01:14:43.472, +14:05:16.65
(18.681134, 14.087958)
Redshift:
Type:
2025acrq [ZTF25accwqaq]
, RA, DEC:00:21:58.556, +06:55:31.16
(5.493985, 6.925322)
Redshift:0.088
Type:SN Ia
2025acct [ZTF25acbaljt]
RA, DEC:02:06:56.291, -09:36:49.14
(31.734546, -9.613650)
Redshift:
Type:
Related Notes:
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…
H.E.S.S. observations and upper limits on the very-high-energy gamma-ray emission of TDE 2025aarm
Related Objects:
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.
ATLAS25nsq (SN2025acfm): discovery of a Type IIP SN in IC1722 (54 Mpc)
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
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…
SN 2024qiw as a Possible iPTF14hls-like Supernova
Related Objects:
2024qiw
RA, DEC:04:52:54.700, -05:32:04.13
(73.227917, -5.534481)
Redshift:0.0094
Type:SN II-pec
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.
Classification of AT 2025ukn as an Extreme Nuclear Transient (ENT)
Related Objects:
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.
X-ray detection of the off-nuclear TDE 2025abcr using Swift
Source Group: DESIRT
Related Objects:
TDE2025abcr
RA, DEC:01:46:55.386, -15:22:15.60
(26.730777, -15.371000)
Redshift:0.05
Type:TDE-H-He
Related Notes:
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…
ZTF Classification of ZTF25abxvhmk/AT 2025abcr as a likely offnuclear TDE, possibly from an IMBH, at z=0.05
Source Group: ZTF
Related Objects:
2025abcr
RA, DEC:01:46:55.386, -15:22:15.60
(26.730777, -15.371000)
Redshift:0.05
Type:TDE-H-He
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…
X-ray detection of the TDE 2025aarm using Chandra
Related Objects:
We report the detection of X-ray emission coincident with the nearby tidal disruption event TDE 2025aarm
Radio detection of TDE 2025aarm with the Very Large Array
Related Objects:
Related Notes: ,
We report the detection of radio emission coincident with the nearby tidal disruption event TDE 2025aarm.
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025abvv [ZTF25abzyzac]
, RA, DEC:00:08:47.471, -09:35:40.49
(2.197796, -9.594579)
Redshift:0.19
Type:SLSN-I
2025abqh [ZTF25abztmum]
, RA, DEC:09:06:24.576, +42:52:42.53
(136.602398, 42.878479)
Redshift:
Type:
2025acfx [ZTF25abzmbay]
, RA, DEC:10:23:49.769, -09:10:07.54
(155.957372, -9.168762)
Redshift:0.06
Type:SN Ia
2025acar [ZTF25acblouh]
RA, DEC:08:49:36.857, +61:21:35.60
(132.403569, 61.359889)
Redshift:0.094
Type:SN Ia
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…
Radio upper limits from the TDE 2025aarm using the Allen Telescope Array
Related Objects:
Related Notes:
We report radio upper limits obtained at 5 and 8 GHz with the Allen Telescope Array for the nearby TDE 2025aarm.
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025aazi [ZTF25abxpson]
, RA, DEC:09:41:58.095, +75:03:36.72
(145.492064, 75.060200)
Redshift:
Type:
2025aadu [ZTF25abwjiet]
, RA, DEC:00:37:39.451, +27:46:20.06
(9.414378, 27.772238)
Redshift:
Type:
2025aagz [ZTF25abwuqln]
, RA, DEC:22:29:13.439, +14:51:32.78
(337.305996, 14.859105)
Redshift:
Type:
2025abdo [ZTF25abxywty]
, RA, DEC:10:37:19.075, +41:52:50.03
(159.329478, 41.880565)
Redshift:
Type:
2025abqa [ZTF25abyxdnh]
RA, DEC:17:32:50.146, +56:20:00.77
(263.208942, 56.333548)
Redshift:
Type:
We report 3 SLSN and 2 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…
Classification of AT 2025aarm as a Rising Nearby H+He TDE
Source Group: StarDestroyers
Keywords: TDE
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
We report the classification of AT 2025aarm as a nearby pre-peak H+He TDE.
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2025wqw [ZTF25abnmvkd]
, RA, DEC:20:03:17.850, +06:46:13.56
(300.824376, 6.770434)
Redshift:
Type:
2025zqg [ZTF25abtlpwf]
, RA, DEC:16:38:00.332, +58:38:51.61
(249.501383, 58.647669)
Redshift:
Type:
2025wxd [ZTF25abmvftr]
, RA, DEC:22:08:48.923, +31:56:09.09
(332.203847, 31.935857)
Redshift:
Type:
2025xjw [ZTF25abqdgrb]
, RA, DEC:21:53:34.308, -18:24:06.60
(328.392949, -18.401833)
Redshift:
Type:
2025xmy [ZTF25abqnaho]
, RA, DEC:00:03:14.973, +28:26:58.89
(0.812388, 28.449692)
Redshift:
Type:
2025zmb [ZTF25abuovxv]
, RA, DEC:06:09:46.701, +35:34:19.97
(92.444588, 35.572213)
Redshift:
Type:
2025ywm [ZTF25abtymyl]
RA, DEC:17:05:48.460, +34:07:32.32
(256.451919, 34.125644)
Redshift:
Type:
We report 7 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 30 days and a typical peak r-band m…
ZTF Classification of AT 2025aapf/ZTF25abxcnsf as a likely TDE-featureless
Source Group: ZTF
Related Objects:
2025aapf [ZTF25abxcnsf]
RA, DEC:09:25:01.367, +40:04:18.15
(141.255697, 40.071709)
Redshift:0.18
Type:TDE-featureless
We spectroscopically classify the optical transient AT2025aapf/ZTF25abxcnsf as a TDE-featureless at redshift z=0.180 using Keck-I/LRIS.
ATLAS25nji (AT2025absv): discovery of a candidate SN in NGC 1578 (86 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025absv [ATLAS25nji]
RA, DEC:04:23:47.254, -51:36:09.11
(65.946893, -51.602531)
Redshift:0.0206
Type:SN IIP
Here we report the ATLAS discovery of the transient ATLAS25nji (AT2025absv) in galaxy NGC 1578 at magnitude m_c = 18.82 +/- 0.13. At a distance of 86 Mpc, the transient was discovered on MJD = 60971…
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025aays [ZTF25abwvarw]
, RA, DEC:00:38:19.744, +31:08:57.53
(9.582267, 31.149313)
Redshift:
Type:
2025aawk [ZTF25abubydw]
, RA, DEC:00:25:33.678, +02:16:17.57
(6.390324, 2.271548)
Redshift:0.0778
Type:SN II
2025zmb [ZTF25abuovxv]
, RA, DEC:06:09:46.701, +35:34:19.97
(92.444588, 35.572213)
Redshift:
Type:
2025abbc [ZTF25abwoues]
RA, DEC:23:00:20.600, +28:56:32.25
(345.085833, 28.942292)
Redshift:
Type:
We report 2 SLSN and 1 TDE, and 1 uncertain candidates from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classificat…
Keck/LRIS Classification of SN2025wny as a Strongly Lensed Type I Superluminous Supernova at z=2.01
Related Objects:
2025wny [ZTF25abnjznp]
RA, DEC:07:16:34.500, +38:21:08.11
(109.143748, 38.352253)
Redshift:2.011
Type:SLSN-I
Related Notes:
We report on Keck/LRIS spectroscopy of the brightest image of SN2025wny (ZTF25abnjznp), a transient showing multiple images previously identified by the Zwicky Transient Facility and the Liverpool Te…
NOT spectroscopic classification of optical transients
Related Objects:
2025aaaa [ZTF25abwjmwj]
, RA, DEC:18:44:49.366, +58:04:13.71
(281.205693, 58.070475)
Redshift:0.026
Type:SN IIP
2025aasv [ZTF25abwcqet]
, RA, DEC:21:49:34.542, +23:02:44.47
(327.393927, 23.045687)
Redshift:0.069
Type:SN Ia
2025aavu [ATLAS25mwy]
, RA, DEC:00:55:55.104, +10:06:59.00
(13.979601, 10.116389)
Redshift:0.04
Type:SN Ia
2025aavv [ZTF25abxfpgs]
RA, DEC:18:00:43.647, +43:02:16.89
(270.181861, 43.038025)
Redshift:0.05094
Type:SN Ia
We report the classification of four optical transients (3 Type Ia SNe and one Type IIP).
NOT spectroscopic classification of optical transients
Related Objects:
2025zwn [ZTF25abwkiga]
, RA, DEC:04:21:01.663, -09:17:22.36
(65.256927, -9.289544)
Redshift:0.04
Type:SN II
2025aafh [ZTF25abwrrpt]
, RA, DEC:02:06:36.960, +15:13:11.23
(31.654001, 15.219786)
Redshift:0.043
Type:SN Ia
2025aaoz [ZTF25abxdupm]
, RA, DEC:07:48:19.120, +17:56:22.25
(117.079667, 17.939513)
Redshift:0.089
Type:SN Ia
2025aaxf [BGEM J043202.90-102407.7]
, RA, DEC:04:32:02.901, -10:24:07.67
(68.012088, -10.402131)
Redshift:0.037
Type:AGN
2025aadr [ZTF25abwpmrd]
RA, DEC:02:17:53.278, -16:00:59.55
(34.471990, -16.016543)
Redshift:0.07
Type:SN Ia
We report the classification of four optical transients (3 Type Ia SNe and an AGN outburst). We additionally report a new spectrum for SN 2025zwn, consistent with a SN IIb.
Classification of SN2025aarn as a young type II supernova
Related Objects:
2025aarn [GOTO25iqc]
, RA, DEC:04:37:19.578, -08:46:35.93
(69.331573, -8.776647)
Redshift:0.01685
Type:SN II
2024ggi [ATLAS24fsk]
RA, DEC:11:18:22.087, -32:50:15.27
(169.592031, -32.837576)
Redshift:0.002435
Type:SN II
Related Notes:
We report spectroscopic observations of SN2025aarn classifying it as a young type II supernova, based on Balmer emission coincident with the host redshift. Polarimetry obtained is consistent with hig…
Observations of the blue, rapidly-rising transient AT2025aarn
Related Objects:
2025aarn [ZTF25abxjgzg]
RA, DEC:04:37:19.578, -08:46:35.93
(69.331573, -8.776647)
Redshift:0.01685
Type:SN II
We report photometry, spectroscopy, and X-ray observations of a rapidly rising (>3 mag/day) and blue optical transient.
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025zth [ZTF25abwkieo]
, RA, DEC:04:12:32.660, -08:58:47.68
(63.136085, -8.979910)
Redshift:0.037
Type:SN IIb
2025xmy [ZTF25abqnaho]
, RA, DEC:00:03:14.973, +28:26:58.89
(0.812388, 28.449692)
Redshift:
Type:
ZTF25abguxse
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
ZTF25abguxse
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…
DAO photometric follow-up of selected transients 2025 October
Source Group: DAO_OTS
Keywords: Photometry
Related Objects:
2025aadf
, , , , RA, DEC:21:39:37.970, +32:18:20.12
(324.908208, 32.305589)
Redshift:0.03
Type:SN Ib/c
We present (SDSS) g&r filter photometric follow up observations of selected optical transients obtained using the 1.82-m Plaskett telescope of the (Dominion Astrophysical Observatory) National Resear…
ATLAS25msz (AT2025aant): discovery of a candidate SN in UGC 02885 (84 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025aant [ATLAS25msz]
RA, DEC:03:53:04.830, +35:35:10.16
(58.270123, 35.586156)
Redshift:0.019
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS25msz (AT2025aant) in galaxy UGC 02885 at magnitude m_c = 18.42 +/- 0.11. At a distance of 84 Mpc, the transient was discovered on MJD = 6096…
ZTF and LT Observations of the Fast and Blue Optical Transient AT2025zow
Source Group: ZTF
Related Objects:
2025zow [ZTF25abvalml]
RA, DEC:02:23:20.928, +32:06:08.54
(35.837198, 32.102372)
Redshift:
Type:
We report ZTF and LT observations of a fast and blue optical transient, AT2025zow (ZTF25abvalml).
Liverpool Telescope Discovery of Multiple Images from AT2025wny (ZTF25abnjznp/GOTO25gtq)
Source Group: ZTF
Related Objects:
2025wny [GOTO25gqt]
RA, DEC:07:16:34.500, +38:21:08.11
(109.143748, 38.352253)
Redshift:2.011
Type:SLSN-I
We report the discovery of multiple images of the transient AT2025wny (ZTF25abnjznp/GOTO25gtq) in Liverpool Telescope IO:O imaging on UT 2025-10-03 and 2025-10-04. Image subtraction using Pan-STARRS …
SLSN candidate from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025wnb [ZTF25abnozft]
RA, DEC:21:36:43.384, +36:52:01.16
(324.180765, 36.866988)
Redshift:
Type:
We report one SLSN candidate from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these events.
ATLAS25mgc (AT2025zgu): discovery of a candidate SN in MCG -01-10-035 (57 Mpc)
Source Group: ATLAS
Keywords: Supernova
Here we report the ATLAS discovery of the transient ATLAS25mgc (AT2025zgu) in galaxy MCG -01-10-035 at magnitude m_w = 18.80 +/- 0.15. At a distance of 57 Mpc, the transient was discovered on MJD = …
Classification of SN 2025xjd as a low luminosity Type Iax at 62 Mpc
Source Group: ZTF
Related Objects:
2025xjd [ZTF25abqhqmk]
RA, DEC:08:16:04.580, +23:07:53.54
(124.019085, 23.131540)
Redshift:0.013797
Type:SN Iax[02cx-like]
We report the classification of the 62 Mpc SN 2025xjd as a low luminosity Type Iax SN. Our spectra reveal low expansion velocities (v ~ 3,000 km/s and later v ~ 1,500 km/s) and a low peak absolute ma…
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025wyu [ZTF25ablulax]
, RA, DEC:00:50:01.807, +25:34:38.06
(12.507528, 25.577240)
Redshift:0.055
Type:SN Ic
2025xnq [ZTF25abqdeoi]
, RA, DEC:23:56:34.030, +22:26:41.90
(359.141790, 22.444973)
Redshift:
Type:
2025xjj [ZTF25abqizrd]
, RA, DEC:19:08:06.408, +69:33:57.74
(287.026700, 69.566040)
Redshift:
Type:
ZTF24abdjjnd
, RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
ZTF24abdjjnd
2025uwb [ZTF25aazptcr]
, RA, DEC:22:45:42.442, -27:36:06.45
(341.426841, -27.601791)
Redshift:
Type:
2025uwq [ZTF25abjnjae]
, RA, DEC:23:43:11.768, -15:22:46.19
(355.799034, -15.379496)
Redshift:
Type:
2025vjw [ZTF25ablxhsq]
, RA, DEC:23:09:00.791, -07:31:07.73
(347.253297, -7.518814)
Redshift:0.21
Type:TDE-H-He
2025vms [ZTF25aaxzgrm]
RA, DEC:02:31:55.780, +41:46:39.12
(37.982416, 41.777533)
Redshift:
Type:
Related Notes: ,
We report 5 SLSN and 3 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…
ATLAS25lvv (AT2025yii): discovery of an intrinsically faint candidate SN in NGC 2297 (49 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025yii [ATLAS25lvv]
RA, DEC:06:44:20.302, -63:43:32.80
(101.084590, -63.725777)
Redshift:
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS25lvv (AT2025yii) in galaxy NGC 2297 at magnitude m_c = 19.26 +/- 0.20. At a distance of 49 Mpc, the transient was discovered on MJD = 60941.3…
Final(?) ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025xot [ATLAS25ljv]
, RA, DEC:01:37:21.635, -59:57:46.09
(24.340145, -59.962803)
Redshift:0.05
Type:SN Ia
2025xox [ATLAS25ljz]
, RA, DEC:01:48:25.072, -76:13:18.89
(27.104468, -76.221914)
Redshift:0.08
Type:SN Ia
2025xli [ATLAS25lgd]
, RA, DEC:00:59:08.677, -74:28:54.86
(14.786155, -74.481906)
Redshift:0.05
Type:SN Ia
2025xqy [ATLAS25llq]
, RA, DEC:06:24:25.994, -06:59:28.38
(96.108307, -6.991217)
Redshift:0.0213
Type:SN II
2025xek [ATLAS25ldr]
RA, DEC:09:13:31.870, -60:46:59.02
(138.382793, -60.783060)
Redshift:0.0095
Type:SN Ic
This report includes classifications of three Type Ia SNe, one Type Ic and one Type II SN.
adH0cc spectroscopic classification of SN 2025xxi
Source Group: adH0cc
Related Objects:
2025xxi [ATLAS25lon]
RA, DEC:21:16:01.364, -58:38:03.67
(319.005684, -58.634353)
Redshift:0.0345
Type:SN II
Related Notes:
We have obtained an optical spectrum of SNe 2025xxi, which shows it to be a Type II supernova. SN 2025xxi is the sibling of the Type II SN 2019dez.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2020abzy [ATLAS20bhdd]
, RA, DEC:22:46:57.280, -03:46:04.72
(341.738668, -3.767978)
Redshift:0.158
Type:AGN
2025xza [ATLAS25lri]
RA, DEC:02:37:58.536, -01:50:59.20
(39.493898, -1.849779)
Redshift:0.028
Type:SN II
This report includes classifications of one AGN and one type II SN.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025xeg [ATLAS25ldn]
, RA, DEC:07:56:26.814, -78:41:57.78
(119.111725, -78.699382)
Redshift:0.0157
Type:SN Ia
2025xzc [ATLAS25lrk]
RA, DEC:22:10:57.968, -25:04:30.26
(332.741533, -25.075073)
Redshift:0.0169
Type:SN Ic
This report includes classifications of 1 Type Ia SN, and 1 ambiguous SN. The spectrum of SN2025xzc is dominated by host galaxy lines, but some broad SN-like line features are present.
ZTF Classification of AT 2022aeys/ZTF22aaqccka as an AGN Turn-on Event in SDSS J002440.72-003019.9
Source Group: ZTF
Related Objects:
2022aeys [ZTF22aaqccka]
RA, DEC:00:24:40.708, -00:30:19.11
(6.169615, -0.505309)
Redshift:0.043
Type:AGN
We classify the long-rising optical transient AT 2022aeys/ZTF22aaqccka as a likely AGN turn-on event in a quiescent host galaxy.
Possible Type II Supernova in the Galaxy Cluster WHL0137-08
Related Objects:
We report the detection of a possible Type II Supernova in the JWST NIRCam imaging of the galaxy cluster WHL0137-08 (GO 2282, PI: Coe Dan). Due to limited photometry and lack of spectra of the host g…
WINTER near-IR identification and spectroscopic observations of a likely extremely slow nova WNTR25fhdoi / AT2025sqe
Source Group: WINTER
Related Objects:
2025sqe [WNTR25fhdoi]
RA, DEC:19:14:51.630, +08:00:06.40
(288.715125, 8.001777)
Redshift:0
Type:
We report the identification and spectroscopic observations of a bright near-IR (NIR) Galactic transient WNTR25fhdoi / AT2025sqe.
Most Viewed
Discovery of Possible Transient in JWST NIRCam Images of SDSS J141930.11+525159.3
Early multiband light curve of SN 2023ixf
LT Classification of SN 2023ixf as a Type II Supernova in M101
Classification of SN 2020jfo (ZTF20aaynrrh) as a young Type II supernova
SN 2023tyk: discovery to spectroscopic classification performed fully automatically
ATLAS20ktt (AT2020hvp): discovery of a candidate supernova in NGC 6118 (27 Mpc)
Onset of SN 2023ixf observed over East Asian longitudes
ePESSTO+ re-classification of AT2019xis as a light echo of SN 1987A in the LMC.
ATLAS20qoq (AT2020nlb): discovery of a candidate SN in MESSIER 85 (17 Mpc)
Fast Radio Bursts (FRBs) now reported to and distributed via the TNS