Showing results 1 to 50 out of 234
Classification of SN 2026ayt as a Young Type II Supernova
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
We report the classification of SN 2026ayt as a likely young type II supernova in UGCA 165 at ~16 Mpc.
ZTF Classification of AT 2025aljd/ZTF25aclckzl as a likely TDE
Source Group: ZTF
Related Objects:
2025aljd [ZTF25aclckzl]
RA, DEC:09:37:40.689, +20:02:14.98
(144.419537, 20.037496)
Redshift:0.15
Type:TDE
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.
Spectroscopic classification of SN 2025anhj as a young, blue, and rising Type Ibn SN
Source Group: ZTF
Related Objects:
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…
Discovery and classification of SN 2025ahqr, a highly reddened low luminosity Type Iax in M108 (9 Mpc)
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]
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
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…
Shane KAST & Liverpool Telescope observations of AT 2025zmb/ZTF25abuovxv, a candidate optically overluminous featureless TDE
Source Group: ZTF
Related Objects:
2025zmb [ZTF25abuovxv]
RA, DEC:06:09:46.694, +35:34:19.94
(92.444560, 35.572207)
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…
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 …
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:01:46:55.400, -15:22:15.71
(26.730831, -15.371032)
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…
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:00:03:14.967, +28:26:58.94
(0.812361, 28.449704)
Redshift:
Type:
2025zmb [ZTF25abuovxv]
, RA, DEC:06:09:46.694, +35:34:19.94
(92.444560, 35.572207)
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.
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 …
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…
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.
ZTF and LT Observations of the Fast and Blue Optical Transient AT2025wap
Source Group: ZTF
Keywords: Optical
Related Objects:
2025wap [ZTF25abkgjzb]
RA, DEC:21:07:28.290, +14:08:17.21
(316.867875, 14.138114)
Redshift:
Type:
We report ZTF and LT observations of a fast and blue optical transient, AT2025wap (ZTF25abkgjzb).
ZTF and LT Observations of the Fast and Blue Optical Transient AT2025wap
Source Group: ZTF
We report ZTF and LT observations of a fast and blue optical transient, AT2025wap (ZTF25abkgjzb).
ZTF Classification of ZTF25abcemrc/AT2025spf as a likely TDE
Source Group: ZTF
Related Objects:
We report the classification of optical transient ZTF25abcemrc/AT2025spf as a tidal disruption event (TDE). The source was selected by the tdescore ML classifier (Stein+2024, doi: 10.3847/2041-8213/a…
Zwicky Transient Facility begins mapping the Rubin footprint
Source Group: ZTF
Starting 2025 July 05 UTC, the Zwicky Transient Facility (ZTF) has begun mapping the accessible science validation footprint of the NSF-DOE Vera C. Rubin Observatory. Every night, this footprint is s…
Shane Kast spectral classification of transients 2025-07-20.
Source Group: ZTF
Related Objects:
2025nle [ZTF25aavddzo]
, RA, DEC:14:06:56.186, +72:07:27.61
(211.734110, 72.124336)
Redshift:0.0336
Type:SN II
2025pgp [ZTF25aaxwrva]
, RA, DEC:19:14:26.841, +48:00:12.20
(288.611835, 48.003388)
Redshift:0.051
Type:SN Ibn
2025fco [ZTF25aajsirl]
, RA, DEC:21:13:37.027, +10:48:34.98
(318.404280, 10.809717)
Redshift:0.0757
Type:SN II
2025nea [ZTF25aauhbec]
, RA, DEC:22:33:57.535, +01:06:28.79
(338.489728, 1.107998)
Redshift:0.0388
Type:SN II
2018mpp [ZTF18abtrjvw]
, RA, DEC:00:54:25.317, +05:41:21.31
(13.605488, 5.689252)
Redshift:
Type:
2025lhp [ZTF25aaqqjud]
, RA, DEC:00:22:53.614, +46:08:38.58
(5.723394, 46.144049)
Redshift:0.11
Type:SN II
2024pba [ZTF24aatytqv]
RA, DEC:01:41:13.834, +49:03:48.33
(25.307643, 49.063424)
Redshift:0.0186
Type:SN IIn
Related Notes: ,
We report observations of various transients using the Kast spectrograph on the Shane 3m telescope at Lick Observatory on the night of 2025-07-20. New classifications were found for four objects, whi…
ZTF Classifications of ZTF25aaxdtdm (AT2025own) and ZTF25aaooewz (AT 2025iuh) as likely TDEs
Source Group: ZTF
Related Objects:
2025iuh
, RA, DEC:11:40:41.756, +18:14:18.79
(175.173984, 18.238552)
Redshift:0.182
Type:TDE-H-He
2025own
RA, DEC:00:02:14.647, +41:35:44.97
(0.561031, 41.595826)
Redshift:0.1535
Type:TDE-featureless
We report the classifications of the optical transients ZTF25aaxdtdm/AT2025own and ZTF25aaooewz/AT2025iuh as tidal disruption events (TDEs). The sources were selected by the tdescore ML classifier (S…
Swift/UVOT observations of SN 2025qtt 6 minutes after its automatic discovery by BTSbot-nearby
Source Group: ZTF
Related Objects:
2025qtt [ZTF25abawltx]
RA, DEC:19:31:06.001, +54:06:03.49
(292.775004, 54.100970)
Redshift:0.012839
Type:SN II
Related Notes: , ,
We report the rapid, automatic UV/optical follow-up of the young Type II SN 2025qtt at d=38.5 Mpc, including Swift/UVOT observations starting just 6 minutes after its discovery by BTSbot-nearby. Our …
Automatic ground- and space-based follow-up of SN 2025qpk following its discovery by BTSbot-nearby
Source Group: ZTF
Related Objects:
2025qpk [ZTF25abadtsx]
RA, DEC:20:44:37.563, -01:43:12.51
(311.156512, -1.720140)
Redshift:0.01377
Type:SN Ia
Related Notes: , ,
We report the BTSbot-nearby discovery and follow-up of SN 2025qpk, a young Type Ia SN at z=0.01377. BTSbot-nearby autonomously triggered Swift using the new urgency 0 mode, which enabled the Swift ob…
Possible strong gravitational lensing of transient AT2025mkn
Source Group: ZTF
Related Objects:
2025mkn [ZTF25aasjeza]
RA, DEC:16:42:11.463, +55:31:02.44
(250.547763, 55.517345)
Redshift:
Type:SN
We report observations of the optical transient AT2025mkn, first detected by ZTF on 2025-05-25 and independently reported by ATLAS. The transient, offset by 0.83″ from a red galaxy at z = 0.42, exhib…
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2024aigf [ZTF24abwmjtt]
, RA, DEC:22:37:00.649, +33:55:20.12
(339.252702, 33.922255)
Redshift:
Type:
2025lhp [ZTF25aaqqjud]
, , RA, DEC:00:22:53.614, +46:08:38.58
(5.723394, 46.144049)
Redshift:0.11
Type:SN II
2025llc [ZTF25aarmjkf]
, RA, DEC:19:20:17.693, +58:02:33.94
(290.073719, 58.042761)
Redshift:
Type:
2025mpc [ZTF25aasnywm]
, RA, DEC:21:20:02.924, +32:06:50.54
(320.012183, 32.114038)
Redshift:
Type:
2025ndr [ZTF25aatpeel]
RA, DEC:20:25:19.322, -02:29:59.80
(306.330508, -2.499945)
Redshift:0.182
Type:SN Ia-CSM
We report six ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting.
Keck/LRIS spectroscopy of AT2025ngt
Source Group: ZTF
Related Objects:
2025ngt [ZTF25aaurzyo]
RA, DEC:19:09:04.262, +47:52:47.04
(287.267757, 47.879733)
Redshift:0.0972
Type:SN Ic-BL
Related Notes:
We present spectroscopy of the fast-rising optical transient AT2025ngt, showing it to be a peculiar Type Ic-BL supernova.
ZTF Observations of the Fast, Blue, and Luminous Optical Transient AT2025ngt
Source Group: ZTF
Related Objects:
2025ngt [ZTF25aaurzyo]
RA, DEC:19:09:04.262, +47:52:47.04
(287.267757, 47.879733)
Redshift:0.0972
Type:SN Ic-BL
We report ZTF observations of a fast, luminous, and blue transient, AT2025ngt (ZTF25aaurzyo). The spectroscopic redshift of the host galaxy is z = 0.097, implying a peak absolute extinction-corrected…
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2025lsl [ZTF25aaoxgmt]
, RA, DEC:16:29:25.332, +37:50:03.06
(247.355549, 37.834183)
Redshift:
Type:
2025izy [ZTF25aanxtou]
, RA, DEC:19:49:06.908, +78:51:20.32
(297.278784, 78.855645)
Redshift:0.1734
Type:SLSN-I
2025evp [ZTF25aaispqu]
, RA, DEC:06:05:45.985, +48:29:48.79
(91.441604, 48.496885)
Redshift:
Type:
2025kkb [ZTF25aaofttb]
, RA, DEC:13:11:37.507, +10:19:59.24
(197.906279, 10.333123)
Redshift:0.58
Type:SLSN-I
2025inr [ZTF25aaomnws]
, RA, DEC:15:23:10.920, +76:01:00.84
(230.795500, 76.016901)
Redshift:0.176
Type:SN
2025gyv [ZTF25aalsbpm]
RA, DEC:10:38:24.082, +68:02:25.02
(159.600343, 68.040284)
Redshift:
Type:
We report 6 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…
Classification of SN 2025mqc (ZTF25aatdgae) as a Type Ib Supernova
Source Group: ZTF
Related Objects:
2025mqc [ATLAS25fue]
RA, DEC:12:43:52.250, -00:33:39.74
(190.967707, -0.561040)
Redshift:0.0087
Type:SN Ib
We report the classification of SN 2025mqc as a young type Ib supernova in NGC 4653 at ~38 Mpc.
ZTF Classification of ZTF25aaptkov (AT 2025kkj) and ZTF25aaplxiz (AT 2025lxx) as likely TDEs
Source Group: ZTF
Related Objects:
2025kkj [ZTF25aaptkov]
, RA, DEC:14:51:52.579, +08:54:18.17
(222.969079, 8.905047)
Redshift:0.292
Type:TDE-featureless
2025lxx [ZTF25aaplxiz]
RA, DEC:15:49:37.195, +52:19:15.53
(237.404978, 52.320982)
Redshift:0.145
Type:TDE-He
We report the classification of optical transients ZTF25aaptkov/AT 2025kkj and ZTF25aaplxiz/AT 2025lxx as tidal disruption events (TDEs). The sources were selected by the tdescore ML classifier (Stei…
ZTF Classification of ZTF25aagfhmz (AT2025cyj), ZTF25aaknwwy (AT2025hee), and ZTF25aagrecw (AT2025gmz) as TDEs
Source Group: ZTF
Related Objects:
2025cyj [ZTF25aagfhmz]
, RA, DEC:09:25:19.826, +23:30:09.54
(141.332610, 23.502649)
Redshift:0.144
Type:TDE-featureless
2025hee [ZTF25aaknwwy]
, RA, DEC:15:58:41.723, +26:40:03.51
(239.673845, 26.667642)
Redshift:0.087
Type:TDE-He
2025gmz [ZTF25aagrecw]
RA, DEC:16:09:38.669, +44:35:01.28
(242.411121, 44.583688)
Redshift:0.459
Type:TDE-featureless
We report the classification of optical transients ZTF25aagfhmz (AT2025cyj), ZTF25aaknwwy (AT2025hee), and ZTF25aagrecw (AT2025gmz) as tidal disruption events (TDEs). The sources were selected by the…
ZTF discovery of a re-brightening or second transient event towards AT 2021gqu / ZTF21aapriwm
Source Group: ZTF
Keywords: Transient
Related Objects:
2021gqu [ZTF21aapriwm]
RA, DEC:12:40:00.598, +01:09:25.32
(190.002493, 1.157033)
Redshift:0.07959
Type:SN Ia-pec
We report on a re-brightening or second transient event towards the position of AT 2021gqu / ZTF21aapriwm on ZTF light curves, 1494 days after discovery. Both events lie towards SDSS J124000.57+01092…
ZTF discovery of a re-brightening or new flaring event towards AT 2023uqm / ZTF23abikzfr (z = 0.238)
Source Group: ZTF
Related Objects:
2023uqm [ZTF23abikzfr]
RA, DEC:23:10:39.016, +34:54:11.01
(347.662566, 34.903057)
Redshift:0.238
Type:AGN
Related Notes:
We report on a re-brightening or new flaring event towards the position of AT 2023uqm / ZTF23abikzfr on ZTF light curves, 544 days after discovery. These events lie towards the center of galaxy SDSS …
ZTF Classification of ZTF25aajmtzs as a likely TDE at z= 0.136
Source Group: ZTF
Related Objects:
2025fak [ZTF25aajmtzs]
RA, DEC:12:46:12.689, +02:15:16.49
(191.552870, 2.254581)
Redshift:0.136
Type:TDE-He
We report the classification of optical transient ZTF25aajmtzs/AT 2025fak as a likely tidal disruption event (TDE). The source was selected by the tdescore ML classifier (Stein+2024, doi: 10.3847/204…
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2025eqe [ZTF25aaixrfr]
, RA, DEC:16:01:06.207, -00:02:38.00
(240.275864, -0.043888)
Redshift:0.127
Type:SLSN-II
2025ani [ZTF25aadcxfd]
, RA, DEC:08:56:23.647, +42:44:15.70
(134.098530, 42.737695)
Redshift:
Type:
2025fpp [ZTF25aakaxwv]
, RA, DEC:07:57:19.690, +06:37:08.89
(119.332041, 6.619137)
Redshift:0.265
Type:SLSN-I
2025ebh [ZTF25aaguyai]
, RA, DEC:12:08:16.935, -11:23:00.06
(182.070562, -11.383349)
Redshift:0.13
Type:SN II
2025fhr [ZTF25aajfhfr]
, RA, DEC:09:23:11.285, -26:50:58.84
(140.797022, -26.849678)
Redshift:
Type:
2025fen [ZTF25aajlyns]
, RA, DEC:11:46:03.750, +70:24:38.98
(176.515627, 70.410827)
Redshift:0.0605
Type:SN II
2025com [ZTF25aahdybs]
RA, DEC:14:03:24.928, +12:21:14.11
(210.853865, 12.353919)
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…
VLA Continued Observations of AT2024aehp
Source Group: ZTF
Keywords: Radio
Related Objects:
2018cow
, RA, DEC:16:16:00.220, +22:16:04.91
(244.000917, 22.268031)
Redshift:0.014
Type:SN Ic-BL
2024aehp [ZTF24abygbss]
RA, DEC:08:21:07.471, +28:44:22.30
(125.281129, 28.739529)
Redshift:
Type:
Related Notes: ,
We report VLA 6, 10, and 15 GHz detections of AT2024aehp (ZTF24abygbss).
ZTF report of ZTF25aafwfzz/AT2025cyh as a possible TDE at z=0.105
Source Group: ZTF
We report the discovery and classification of the optical transient ZTF25aafwfzz/AT2025cyh as a possible tidal disruption event (TDE). The source was selected by the tdescore ML classifier (Stein+202…
ZTF Classification of ZTF25aacnkte/AT2025axp as a likely TDE
Source Group: ZTF
Related Objects:
2025axp [ZTF25aacnkte]
RA, DEC:03:12:05.809, -14:06:03.36
(48.024203, -14.100933)
Redshift:0.1045
Type:TDE-He
We report the classification of optical transient ZTF25aacnkte/AT2025axp as a tidal disruption event (TDE) at z = 0.1045, due to its light curve evolution, lack of cooling, and spectral features, inc…
Classification of ZTF25aafofmu/AT2025bpq as a type IIn supernova
Source Group: ZTF
Keywords: Supernova
Related Objects:
2025bpq [ZTF25aafofmu]
RA, DEC:15:38:31.259, +40:04:36.08
(234.630246, 40.076688)
Redshift:0.0637
Type:SN IIn
ZTF classification of AT2025bpq/ZTF25aafofmu as a type IIn supernova
ZTF Classification of ZTF25aafofcs (AT2025bri) as a bright pre-peak TDE
Source Group: ZTF
Related Objects:
2025bri [ZTF25aafofcs]
RA, DEC:14:10:40.438, -10:47:57.00
(212.668493, -10.799167)
Redshift:0.061
Type:TDE-He
We report the classification of optical transient ZTF25aafofcs/AT2025bri as a tidal disruption event (TDE). The source was selected by the tdescore ML classifier (Stein+2024, doi: 10.3847/2041-8213/a…
ZTF Complete Astronomical Transient Survey within 150 Mpc (CATS150)
Source Group: ZTF
We announce CATS150: the Complete Astronomical Transient Survey within 150 Mpc, a new ZTF survey designed to systematically classify explosive transients within the local Universe. CATS150 merges the…
ZTF Classification of ZTF24abwsfdk (AT 2024admt) and ZTF25aabebve (AT 2024agqx) as TDEs
Source Group: ZTF
Related Objects:
2024admt [ZTF24abwsfdk]
, RA, DEC:10:33:58.907, +14:41:17.19
(158.495446, 14.688107)
Redshift:0.1105
Type:TDE-He
2024agqx [ZTF25aabebve]
RA, DEC:11:18:55.192, +19:44:33.13
(169.729967, 19.742536)
Redshift:0.194
Type:TDE-He
We report the classification of optical transients ZTF24abwsfdk/AT 2024admt and ZTF25aabebve/AT 2024agqx as tidal disruption events (TDEs). Both sources were selected by the tdescore ML classifier (S…
Early spectroscopy of SNe 2025ay, 2025mg, 2025oq, and 2025aml autonomously triggered by BTSbot-nearby
Source Group: ZTF
Related Objects:
2025ay [ZTF25aaaprdb]
, RA, DEC:09:37:12.466, +38:05:38.31
(144.301943, 38.093976)
Redshift:0.02005
Type:SN Iax[02cx-like]
2025mg [ZTF25aabxywm]
, RA, DEC:07:16:54.240, +67:06:31.88
(109.225998, 67.108855)
Redshift:0.013736
Type:SN II
2025oq [ZTF25aaccmjq]
, RA, DEC:09:04:38.432, +18:28:00.03
(136.160132, 18.466676)
Redshift:0.01133
Type:SN Ic-BL
2025aml [ZTF25aadhlrs]
RA, DEC:01:50:14.106, +27:38:39.71
(27.558774, 27.644365)
Redshift:0.011798
Type:SN II
Related Notes:
We report the rapid, autonomous spectroscopic follow-up of SNe 2025ay, 2025mg, 2025oq, and 2025aml enabled by BTSbot-nearby. In all cases, the spectra triggered by BTSbot-nearby are the earliest know…
Shane Kast spectral classification of transients 2025-01-23
Source Group: ZTF
Related Objects:
2025adj [ATLAS25awc]
, RA, DEC:14:59:44.465, +51:27:47.06
(224.935272, 51.463072)
Redshift:0.011389
Type:SN II
2024aezo [ATLAS24rwd]
, RA, DEC:13:24:17.066, +27:43:01.14
(201.071110, 27.716983)
Redshift:0.4227
Type:SLSN-I
2024xsk [ZTF24ablestl]
, RA, DEC:11:18:11.786, +26:03:23.40
(169.549108, 26.056500)
Redshift:0.1686
Type:SLSN-I
2024abpg [ZTF24abtejwy]
, RA, DEC:00:14:17.798, +03:25:49.24
(3.574160, 3.430344)
Redshift:0.154
Type:SN Ia-CSM
2025li [ZTF25aabegog]
, RA, DEC:12:45:55.093, +17:29:35.35
(191.479552, 17.493153)
Redshift:0.079202
Type:SN Ia
2024aglr [ZTF25aaaalin]
, RA, DEC:23:07:57.908, +25:03:40.95
(346.991281, 25.061374)
Redshift:0.0414
Type:SN Ia
2025kl [ZTF25aabowed]
, RA, DEC:01:11:52.757, +20:23:57.13
(17.969822, 20.399203)
Redshift:0.058
Type:SN Ia
2025jx [ZTF25aabovpf]
, RA, DEC:03:03:50.453, -00:12:13.25
(45.960219, -0.203680)
Redshift:0.027605
Type:SN Ia
2025hf [ZTF25aabmhdd]
, RA, DEC:12:29:16.826, +05:04:04.41
(187.320110, 5.067893)
Redshift:0.07
Type:SN Ia
2025kd [ZTF25aabpoxz]
, RA, DEC:05:45:53.157, -25:53:17.05
(86.471487, -25.888069)
Redshift:0.0425
Type:SN Ia
2025iv [GOTO25ft]
, RA, DEC:02:07:27.255, +19:11:36.78
(31.863561, 19.193550)
Redshift:0.0173
Type:SN Ic
2025dc [ZTF25aaapkzn]
, RA, DEC:09:53:46.435, -08:18:09.09
(148.443478, -8.302525)
Redshift:0.047
Type:SN II
2025ei [ATLAS25agn]
, RA, DEC:11:44:47.404, +19:46:24.36
(176.197517, 19.773434)
Redshift:0.03
Type:SN II
2025ky [ZTF22ablqzpz]
RA, DEC:10:02:49.869, -05:51:12.65
(150.707788, -5.853515)
Redshift:0.0828
Type:SN Ia
Related Notes: , , , , ,
We report observations of 14 transients using the Shane Kast spectrograph at the Lick observatory on the nights of 2025-01-23 and 2025-01-24. New classifications were found for 10 objects, which incl…
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2024aepc [ZTF24abykyaj]
, RA, DEC:10:47:53.281, +29:56:55.69
(161.972004, 29.948803)
Redshift:
Type:
2024adxt [ZTF24abwzbei]
, RA, DEC:15:15:10.232, +10:26:57.78
(228.792633, 10.449385)
Redshift:
Type:
2024agtx [ZTF24abwswlr]
, RA, DEC:14:19:12.400, +37:35:04.09
(214.801667, 37.584469)
Redshift:
Type:
2024aelk [ZTF24abysuvn]
, RA, DEC:12:29:14.688, +25:41:18.81
(187.311200, 25.688558)
Redshift:0.12
Type:AGN
2024aayc [ZTF24abnpqbj]
, RA, DEC:21:56:28.381, +70:10:20.01
(329.118254, 70.172225)
Redshift:
Type:
2025al [ZTF24abscbpa]
, RA, DEC:06:02:43.920, -20:45:06.00
(90.683000, -20.751667)
Redshift:0.43
Type:SLSN-I
2024aakq [ZTF24abqclae]
, RA, DEC:02:44:05.175, +36:26:39.40
(41.021563, 36.444277)
Redshift:
Type:
2024abpg [ZTF24abtejwy]
, RA, DEC:00:14:17.798, +03:25:49.24
(3.574160, 3.430344)
Redshift:0.154
Type:SN Ia-CSM
2024zxj [ZTF24abpqeun]
, RA, DEC:15:56:57.696, +19:28:29.47
(239.240399, 19.474852)
Redshift:0.11
Type:SN II
2024affj [ZTF24abtqrfi]
, RA, DEC:01:58:13.104, -06:05:05.90
(29.554600, -6.084971)
Redshift:
Type:
2024agtz [ZTF24abwsuty]
, RA, DEC:10:38:07.660, +27:51:08.28
(159.531917, 27.852300)
Redshift:
Type:
2024acbq [ZTF24abtdzwa]
RA, DEC:22:11:43.411, +10:05:01.10
(332.930879, 10.083640)
Redshift:
Type:
We report 12 ZTF superluminous supernova candidates selected by our software filter and subsequent human vetting. In this sample, a typical rise time is longer than 20 days and a typical peak r-band …
AT2024tvd: an off-nuclear tidal disruption event
Source Group: ZTF
Related Objects:
2024tvd [ZTF22aaigqsr]
RA, DEC:17:10:42.585, +28:50:15.11
(257.677437, 28.837530)
Redshift:0.044938
Type:TDE
We report that the transient AT2024tvd is an off-nuclear tidal disruption event.
ZTF and Gemini Observations of the Fast-fading Luminous Optical Transient AT2024aehp
Source Group: ZTF
Related Objects:
2024aehp [ZTF24abygbss]
RA, DEC:08:21:07.471, +28:44:22.30
(125.281129, 28.739529)
Redshift:
Type:
We report ZTF observations of a rapidly fading transient, AT2024aehp (ZTF24abygbss). The spectroscopic redshift of the host galaxy is z = 0.170, implying a peak absolute magnitude of M_g ~ -20.5 AB m…
ZTF Classification of ZTF24abmaujk (AT 2024ymu) as a likely TDE
Source Group: ZTF
Related Objects:
2024ymu [ZTF24abmaujk]
RA, DEC:00:06:52.569, -17:20:12.61
(1.719036, -17.336836)
Redshift:0.12
Type:TDE
We report the classification of optical transient ZTF24abmaujk/AT 2024ymu as a tidal disruption event (TDE). The source was selected by the tdescore ML classifier (Stein+2024, doi: 10.3847/2041-8213/…
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