Showing results 101 to 150 out of 2,136
DAO Photometric Follow Up of selected optical transients - July 2025
Source Group: GSNST
Related Objects: , , ,
2025rop
, RA, DEC:23:34:04.147, +01:34:45.55
(353.517281, 1.579319)
Redshift:0.044231
Type:SN Ic
2025ruk
, , , , , , , RA, DEC:19:19:11.563, +33:43:40.90
(289.798179, 33.728027)
Redshift:0.09025
Type:SN Ic
2025sad
, , , RA, DEC:20:59:05.704, +11:08:41.09
(314.773765, 11.144746)
Redshift:0.031458
Type:SN II
Here we present multi-band photometric follow up observations of 15 optical transients using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of …
Early multiband photometry of the Type Ia Supernova SN 2025rbs
Related Objects:
2025rbs
RA, DEC:22:37:03.638, +34:25:07.98
(339.265160, 34.418884)
Redshift:0.002722
Type:SN Ia
We present the multiband photometry follow-up of SN 2025rbs by the Observadores de Supernovas group (ObSN, Spain).
DAO Photometric Follow Up of 2025rbs
Source Group: GSNST
Related Objects:
2025rbs
RA, DEC:22:37:03.638, +34:25:07.98
(339.265160, 34.418884)
Redshift:0.002722
Type:SN Ia
Here we present multi-band photometric follow up observations of SN 2025rbs in NGC 7331 using 1.82-m Plaskett Telescope + CCD at Dominion Astrophysical Observatory of the National Research Council of…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025tqb [ATLAS25jjs]
RA, DEC:22:50:36.887, -34:22:36.19
(342.653696, -34.376719)
Redshift:0.03
Type:SN Ia-91T-like
This report includes one classification of a Type Ia 91T-like.
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025tbk [ZTF25abeldua]
, RA, DEC:22:48:36.744, +13:55:55.20
(342.153098, 13.932001)
Redshift:0.1309
Type:SN IIn
2025snx [ZTF25abddytq]
RA, DEC:18:48:38.478, +46:07:35.16
(282.160325, 46.126434)
Redshift:
Type:
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…
ATLAS25jgd (AT2025tpr): discovery of a candidate SN in 2MASX J05581494-7246383 (103 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025tpr [ATLAS25jgd]
RA, DEC:05:58:15.585, -72:46:38.95
(89.564937, -72.777487)
Redshift:
Type:
Here we report the ATLAS discovery of the transient ATLAS25jgd (AT2025tpr) in galaxy 2MASX J05581494-7246383 at magnitude m_o = 18.41 +/- 0.12. At a distance of 103 Mpc, the transient was discovered…
ATLAS25jho (AT2025tta): discovery of a candidate SN in UGC 09015 (101 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025tta [ATLAS25jho]
RA, DEC:14:05:56.873, +09:01:26.15
(211.486971, 9.023930)
Redshift:0.02331
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS25jho (AT2025tta) in galaxy UGC 09015 at magnitude m_o = 18.80 +/- 0.14. At a distance of 101 Mpc, the transient was discovered on MJD = 6090…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025sfo [ZTF25abcydiy]
, RA, DEC:21:20:17.548, -17:12:31.95
(320.073119, -17.208876)
Redshift:0.22
Type:SLSN-I
2025sns [ZTF25abeuvaa]
, RA, DEC:21:51:37.871, -27:14:52.93
(327.907795, -27.248035)
Redshift:0.091
Type:SN Ia
2025tpu [ATLAS25jhf]
, RA, DEC:18:47:40.504, -63:09:39.50
(281.918767, -63.160972)
Redshift:0.015
Type:SN IIn
2025tpt [ATLAS25jgf]
, RA, DEC:21:16:16.200, -68:02:19.18
(319.067501, -68.038661)
Redshift:0.071
Type:SN Ia
2025pjf [ATLAS25gxn]
RA, DEC:21:37:44.987, -18:11:11.26
(324.437444, -18.186462)
Redshift:0.054
Type:
This report includes classifications of 2 Type Ia,1 SLSN, 1 Type IIn and one unknown transient.
Photometric follow-up of extragalactic nova candidate AT2025ggn with BHTOM.space global telescope network
Source Group: BHTOM
Related Objects:
2025ggn [ASASSN-25ax]
RA, DEC:05:03:37.058, -69:24:08.82
(75.904410, -69.402450)
Redshift:
Type:
We report on the optical photometric follow-up of AT2025ggn (ASASSN-25ax) conducted with the BHTOM.space global telescope network.
AT2025tpu: Possible very young supernova in IC4769 at 58 Mpc
Source Group: BlackGEM
Related Objects: ,
2025tpu
RA, DEC:18:47:40.504, -63:09:39.50
(281.918767, -63.160972)
Redshift:0.015
Type:SN IIn
A very young supernova candidate, AT2025tpu, is reported by the BlackGEM consortium in the Seyfert 2 galaxy IC 4769 at 58 Mpc. The transient was first detected at q=19.25 and confirmed to be brighten…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025tjo [ATLAS25jel]
, RA, DEC:21:31:23.653, -36:56:35.24
(322.848554, -36.943121)
Redshift:0.031
Type:SN Ia
2025rvv [ZTF25abcmcmo]
, RA, DEC:20:48:10.327, -24:21:34.11
(312.043028, -24.359476)
Redshift:0
Type:CV
2025tmc [ATLAS25jfi]
RA, DEC:20:38:09.550, -31:35:44.09
(309.539792, -31.595580)
Redshift:0.071
Type:SN Ia
This report includes classifications of 2 SN Ias and 1 blue featureless continuum.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025thx [ATLAS25jdm]
, RA, DEC:19:14:42.977, -58:53:53.13
(288.679073, -58.898091)
Redshift:0.056
Type:SN Ia
2025tkl [ATLAS25jer]
, RA, DEC:21:11:23.918, -80:50:33.37
(317.849657, -80.842603)
Redshift:0.029
Type:SN Ia
2025svc [ATLAS25iqu]
, RA, DEC:15:50:04.958, -20:41:40.95
(237.520657, -20.694708)
Redshift:0.104
Type:SN Ia
2025thh [GOTO25fqt]
, RA, DEC:22:49:31.536, -63:28:07.93
(342.381398, -63.468870)
Redshift:0.071
Type:SN Ia
2025ter [ATLAS25jao]
, RA, DEC:19:18:40.028, -34:55:08.30
(289.666784, -34.918971)
Redshift:0.016
Type:SN Ia
2025tgv [GOTO25fqp]
, RA, DEC:23:42:10.715, -64:51:17.16
(355.544647, -64.854767)
Redshift:0.069
Type:SN Ia
2025sxe [ATLAS25itb]
, RA, DEC:03:02:17.434, -02:29:52.00
(45.572641, -2.497778)
Redshift:0.068
Type:SN Ia
2025tgr [ATLAS25jbx]
, RA, DEC:04:45:47.212, -51:30:52.32
(71.446716, -51.514533)
Redshift:0.065
Type:SN Ia
2025swg [ATLAS25isd]
, RA, DEC:03:39:18.644, -04:37:08.20
(54.827684, -4.618945)
Redshift:0.068
Type:SN Ia
2025sxk [ATLAS25itj]
, RA, DEC:03:44:53.050, +04:03:01.30
(56.221041, 4.050361)
Redshift:0.037
Type:SN Ia
2025tfv [ZTF25abhfslz]
RA, DEC:18:42:31.185, +17:47:33.22
(280.629936, 17.792562)
Redshift:0
Type:CV
This report includes classifcations of 10 Type Ia's and a CV.
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…
ZTF Classification of SN 2025sei/ZTF22aakyeps as an Unusual Superluminous Supernova in an Early-type Host Galaxy
Related Objects:
2025sei [ZTF22aakyeps]
RA, DEC:17:48:59.421, +25:29:44.95
(267.247589, 25.495820)
Redshift:0.0949
Type:SLSN-I
We report the classification of the optical transient SN 2025sei/ZTF22aakyeps as a Type I superluminous supernova (SLSN-I) with an unusually fast rise time in a quiescent, early-type host galaxy.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects: ,
2025tgl
, RA, DEC:02:40:44.211, +10:08:51.36
(40.184211, 10.147600)
Redshift:0.026755
Type:SN II
2025ruw
RA, DEC:20:45:09.312, +23:23:53.20
(311.288800, 23.398112)
Redshift:0.072
Type:SN IIn
This report includes a classification of 1 Type Ia, a reclassification of 1 Type II and a featureless blue continuum.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects: , , , ,
2025ruw
, RA, DEC:20:45:09.312, +23:23:53.20
(311.288800, 23.398112)
Redshift:0.072
Type:SN IIn
2025rjo
RA, DEC:13:26:35.754, -30:59:35.59
(201.648975, -30.993218)
Redshift:0.048
Type:SN II
This report includes classifications of 3 Type Ia's, two Type II's and a featureless continuum.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects: ,
2025tgs
, , , RA, DEC:04:53:53.674, -50:02:06.11
(73.473641, -50.035031)
Redshift:0.04
Type:SN Ia-91T-like
This report includes classifications of a Type la, a Type la-91T-like, 2 Type II's and a blue featureless continuum.
NOT spectroscopic classifications of optical transients discovered/co-discovered by the BlackGEM survey
Source Group: BlackGEM
Related Objects:
2025pgm [BGEM J003606.29-091722.1]
, RA, DEC:00:36:06.273, -09:17:21.84
(9.026139, -9.289401)
Redshift:
Type:SN Ia
2025qgz [BGEM J023141.61+024758.9]
, RA, DEC:02:31:41.576, +02:47:59.35
(37.923234, 2.799818)
Redshift:0.028
Type:SN IIP
2025qqh [BGEM J125018.23-061739.7]
, RA, DEC:12:50:18.234, -06:17:39.75
(192.575975, -6.294375)
Redshift:0.1
Type:SN Ia
2025rom [BGEM J001725.33+062155.9]
, RA, DEC:00:17:25.338, +06:21:55.96
(4.355575, 6.365544)
Redshift:0.1
Type:SN Ia
2025roy [BGEM J231232.27-001227.7]
, RA, DEC:23:12:32.247, -00:12:27.58
(348.134361, -0.207660)
Redshift:0.077
Type:SN Ia
2025qzw [GOTO25etu]
, RA, DEC:21:06:38.509, +24:54:15.67
(316.660456, 24.904353)
Redshift:0
Type:CV
2025qdv [BGEM J023247.59+004041.5]
RA, DEC:02:32:47.593, +00:40:41.52
(38.198304, 0.678200)
Redshift:0.023
Type:SN IIP
We report the spectroscopic classification with NOT/ALFOSC of 7 optical transients. 4 SN Ia-norm, 2 SN IIP and 1 CV.
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025smw [ZTF25abejrue]
, RA, DEC:21:35:43.425, +07:03:49.93
(323.930937, 7.063870)
Redshift:0.1232
Type:SN Ia
2025sns [ZTF25abeuvaa]
RA, DEC:21:51:37.871, -27:14:52.93
(327.907795, -27.248035)
Redshift:0.091
Type:SN Ia
We report 2 SLSNe from the ZTF public alert stream, identified by the NEEDLE classifier running on the Lasair alert broker. We encourage spectroscopic classification of these events.
ATLAS25jdr (AT2025tis): discovery of a young and rapidly rising transient in IC 2007 (22 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025tis [ATLAS25jdr]
RA, DEC:03:55:22.794, -28:09:32.69
(58.844974, -28.159080)
Redshift:0.005
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS25jdr (AT2025tis) in galaxy IC 2007 at magnitude m_o = 15.84 +/- 0.03. At a distance of 22 Mpc, the transient was discovered on MJD = 60894.3…
Spectroscopic Classification of Transients with Palomar NGPS
Related Objects:
2025som [ATLAS25ile]
RA, DEC:03:27:36.317, -03:46:20.48
(51.901321, -3.772354)
Redshift:0.025992
Type:SN Ia
The Caltech Summer Undergraduate Research Fellowship (SURF) program reports the classification of an optical transient using P200 NGPS: 1 type Ia supernova.
Spectroscopic Classification of Astrophysical Transients with the Lick Shane Telescope
Keywords: Supernova
Related Objects:
2025qmk [PS25eqd]
, RA, DEC:16:25:01.596, +40:56:45.78
(246.256650, 40.946050)
Redshift:0.0287
Type:SN II
2025rlk [ATLAS25hwg]
, RA, DEC:00:11:41.369, -22:59:09.58
(2.922370, -22.985996)
Redshift:0.0644
Type:SN Ia
2025shi [ZTF25abecbib]
RA, DEC:22:48:42.284, +27:34:58.05
(342.176185, 27.582791)
Redshift:0.031952
Type:SN Ibn
We announce the spectroscopic classification of AT2025qmk (SN II), AT2025rlk (SN Ia), and AT2025shi (SN IIn-pec).
ATLAS25iym (AT2025tam): discovery of a candidate SN in NGC 6708 (36 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025tam [ATLAS25iym]
RA, DEC:18:55:34.321, -53:43:22.76
(283.893006, -53.722989)
Redshift:0.0086
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS25iym (AT2025tam) in galaxy NGC 6708 at magnitude m_o = 16.04 +/- 0.13. At a distance of 36 Mpc, the transient was discovered on MJD = 60889.9…
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025smq [ZTF25abdnftb]
, RA, DEC:22:35:39.848, -19:22:55.78
(338.916035, -19.382161)
Redshift:
Type:
2025rmr [ZTF25abcaref]
, RA, DEC:21:28:04.127, -13:11:08.03
(322.017194, -13.185564)
Redshift:
Type:
2025qfn [ZTF25aaxvglf]
RA, DEC:13:02:21.578, +34:43:49.79
(195.589908, 34.730496)
Redshift:
Type:
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…
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…
Photometric follow-up of SN2025bof with BHTOM.space global telescope network
Source Group: BHTOM
Related Objects:
2025bof
RA, DEC:19:56:35.332, +50:14:22.58
(299.147217, 50.239604)
Redshift:0.03021
Type:SN Ia
We report on the optical photometric follow-up of SN 2025bof conducted with a telescope network through BHTOM.space system.
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…
ATLAS25ihm (AT2025siq): discovery of a candidate SN in ESO 234- G 069 (59 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025siq [ATLAS25ihm]
RA, DEC:20:45:55.565, -51:23:27.65
(311.481522, -51.391013)
Redshift:0.01525
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS25ihm (AT2025siq) in galaxy ESO 234- G 069 at magnitude m_o = 19.01 +/- 0.16. At a distance of 59 Mpc, the transient was discovered on MJD = …
ATLAS25igr (AT2025scw): discovery of a candidate SN in NGC 0424 (51 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025scw [ATLAS25igr]
RA, DEC:01:11:27.200, -38:04:53.29
(17.863335, -38.081470)
Redshift:0.01
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS25igr (AT2025scw) in galaxy NGC 0424 at magnitude m_c = 16.84 +/- 0.05. At a distance of 51 Mpc, the transient was discovered on MJD = 60880…
ATLAS25iea (AT2025ryz): discovery of a candidate SN in 74573321896392487 (57.1 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2025ryz
RA, DEC:22:08:44.863, -27:51:12.92
(332.186927, -27.853588)
Redshift:0.016201
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS25iea (AT2025ryz) in galaxy 74573321896392487 at magnitude m_o = 19.12 +/- 0.17. At a distance of 57.1 Mpc, the transient was discovered on MJ…
WFST250715cmaa (AT 2025sbr): Discovery of an FBOT candidate
Source Group: WFST
Related Objects:
2025sbr [WFST250715cmaa]
RA, DEC:18:06:52.820, +65:07:31.28
(271.720083, 65.125356)
Redshift:
Type:
Related Notes: ,
We report an FBOT candidate WFST250715cmaa (AT 2025sbr) discovered by the WFST survey.
Spectroscopic Follow-up of Possible Rebrightening Event Associated with SN 2024pba
Source Group: UCSC
Related Objects:
2024pba
RA, DEC:01:41:13.834, +49:03:48.33
(25.307643, 49.063424)
Redshift:0.0186
Type:SN IIn
Related Notes:
We report photometric and spectroscopic ToO observations of the possible rebrightening of SN 2024pba.
DAO photometric follow-up of selected transients 2025-C
Source Group: DAO_OTS
Keywords: Photometry
Related Objects: , , , ,
2025qpm
, RA, DEC:18:37:43.302, +60:48:01.58
(279.430426, 60.800440)
Redshift:0.0295
Type:SN II
2025qpv
, , , , , , RA, DEC:21:30:58.771, +22:32:29.50
(322.744880, 22.541528)
Redshift:0.0456
Type:SN Ia
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…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025qst [ATLAS25hcq]
, RA, DEC:10:12:04.168, -42:02:50.30
(153.017367, -42.047305)
Redshift:0.02
Type:SN IIb
2025req [ATLAS25hqg]
, RA, DEC:11:39:46.056, -31:24:41.20
(174.941901, -31.411446)
Redshift:0.18
Type:SN Ic
2025rin [ATLAS25hsy]
, RA, DEC:13:02:52.661, -02:30:41.62
(195.719423, -2.511562)
Redshift:0.085
Type:SN Ia
2025qim [WFST0650fdnz]
, RA, DEC:14:00:22.305, +04:37:59.71
(210.092938, 4.633254)
Redshift:0.116
Type:SN Ia-CSM
2025rge [ATLAS25hrq]
, RA, DEC:15:12:04.561, +06:02:49.65
(228.019004, 6.047124)
Redshift:0.079
Type:SN Ia
2025ruf [ATLAS25iao]
, RA, DEC:13:43:41.243, -22:16:28.15
(205.921848, -22.274485)
Redshift:0.055
Type:SN Ia
2025rdc [ATLAS25hpm]
, RA, DEC:14:20:25.625, -28:38:48.60
(215.106773, -28.646834)
Redshift:0.065
Type:SN Ia
2025rby [GOTO25evx]
, RA, DEC:18:17:06.321, -54:32:51.12
(274.276338, -54.547533)
Redshift:0.06
Type:SN Ia
2025rjb [ATLAS25hts]
, RA, DEC:20:32:12.628, -40:54:27.71
(308.052617, -40.907698)
Redshift:0
Type:SN
2025rku [GOTO25fbb]
, RA, DEC:22:09:30.167, -19:11:11.89
(332.375696, -19.186636)
Redshift:0.05
Type:SN Ia
2025qqr [ZTF25abalshy]
, RA, DEC:22:47:31.435, -08:30:54.91
(341.880977, -8.515254)
Redshift:0.063
Type:SN Ia
2025rab [ATLAS25hog]
, RA, DEC:23:24:03.882, +08:48:10.22
(351.016177, 8.802838)
Redshift:0.01
Type:SN Ib
2025rib [ATLAS25hrz]
, RA, DEC:01:17:12.602, -58:54:46.82
(19.302510, -58.913006)
Redshift:0.01774
Type:SN Ia-91bg-like
2025rak [ZTF25abbanem]
, RA, DEC:23:47:21.734, +19:55:05.52
(356.840560, 19.918201)
Redshift:0.095
Type:SN Ia
2025rba [GOTO25euq]
, RA, DEC:02:39:33.578, -41:48:08.41
(39.889907, -41.802336)
Redshift:0.089
Type:SN Ia
2025rob [ATLAS25hxs]
, RA, DEC:00:11:57.955, +21:46:29.76
(2.991478, 21.774935)
Redshift:0.08
Type:SN Ia
2025rbz [GOTO25ewb]
, RA, DEC:02:25:41.407, -23:17:42.66
(36.422529, -23.295184)
Redshift:0.053
Type:SN Ia
2025qzq [GOTO25esz]
, RA, DEC:03:57:46.783, -58:46:36.01
(59.444929, -58.776669)
Redshift:0.06
Type:SN Ia
2025rij [ATLAS25hsq]
, RA, DEC:05:21:04.312, -62:09:24.61
(80.267968, -62.156836)
Redshift:0.04
Type:SN Ic
2025ris [ATLAS25hti]
RA, DEC:05:26:06.582, -32:57:19.66
(81.527424, -32.955462)
Redshift:0.037
Type:SN Ia
This report includes classifications of 15 Type Ia's, including 1 Ia-peculiar and 1 Ia-CSM, 1 Type Ib, 2 Type Ic, 1 Type IIb and 1 blue continuum.
Detection of young transient AT2025rza in the giant elliptical galaxy Centaurus A
Source Group: BlackGEM
Related Objects:
The BlackGEM consortium announces the discovery of the young transient BGEM
J132508.95-430244.3/AT2025rza, 4 arcminutes away from the center of the giant elliptical galaxy Centaurus A. In the latest…
Possible bright peculiar/lensed SNIa at z = 0.185, AT2025ndr
Related Objects:
2025ndr [ZTF25aatpeel]
RA, DEC:20:25:19.322, -02:29:59.80
(306.330508, -2.499945)
Redshift:0.182
Type:SN Ia-CSM
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025quo [ATLAS25hmh]
, RA, DEC:13:01:47.495, +01:29:35.57
(195.447897, 1.493214)
Redshift:0.07
Type:SN Ia
2025rjo [ATLAS25huj]
, RA, DEC:13:26:35.754, -30:59:35.59
(201.648975, -30.993218)
Redshift:0.048
Type:SN II
2025rjk [ATLAS25huc]
, RA, DEC:14:08:33.428, -43:11:25.52
(212.139283, -43.190422)
Redshift:0.07
Type:SN Ia
2025rla [ZTF25abbsaee]
, RA, DEC:17:58:22.178, +14:03:20.45
(269.592407, 14.055680)
Redshift:0.05
Type:SN Ia
2025riz [ATLAS25htp]
, RA, DEC:19:21:29.977, -44:05:12.16
(290.374904, -44.086710)
Redshift:0.05
Type:SN Ia
2025rqh [ATLAS25hyx]
, RA, DEC:22:53:01.950, -76:00:48.92
(343.258125, -76.013588)
Redshift:0.08
Type:SN Ia
2025rgk [GOTO25exu]
, RA, DEC:00:01:38.379, -52:37:16.01
(0.409911, -52.621115)
Redshift:0.03
Type:SN Ia
2025rpt [ATLAS25hyl]
RA, DEC:01:54:21.518, -02:37:08.00
(28.589657, -2.618889)
Redshift:0.019
Type:SN Ia
This report includes classifications of 7 Type Ia's and 1 SN (Blue continuum with narrow emission Halpha line).
Possible rebrightening of SN 2024pba observed by GOTO
Source Group: GOTO
Related Objects:
2024pba [GOTO24dnc]
RA, DEC:01:41:13.834, +49:03:48.33
(25.307643, 49.063424)
Redshift:0.0186
Type:SN IIn
We report the discovery of a bright optical transient coincident with the position of SN 2024pba, approximately 1.2 mag brighter than SN 2024pba itself.
Classification of 2025qhf as a Tidal Disruption Event
Source Group: OxQUB
Related Objects:
2025qhf [ZTF25aaymnha]
RA, DEC:21:48:42.779, -13:17:20.88
(327.178247, -13.289135)
Redshift:0.093
Type:TDE
We report the spectroscopic classification of 2025qhf (ZTF25aaymnha) as a TDE-H-He event at z=0.08. At this distance, 2025qhf has a current luminosity M = -18.88 +/- 0.07 and does not yet appear to h…
BlackGEM/GOTO discovery of AT2025rtk in galaxy ESO073-027, also hosting AT2024afbw
Source Group: BlackGEM
Related Objects: ,
2025rtk [BGEM J201505.09-705933.8]
RA, DEC:20:15:05.100, -70:59:33.89
(303.771250, -70.992747)
Redshift:0.0206
Type:SN Ia
The BlackGEM and GOTO collaborations announce the discovery of AT2025rtk in the emission-line galaxy ESO073-027 at z=0.02 at q=18.8/L=19.02. The host galaxy is also the host of AT2024afbw, discovered…
NTT spectroscopic classifications of optical transients during the ESO Summer Research Programme
Related Objects:
2025qrn [ATLAS25hri]
, RA, DEC:14:51:38.533, -11:55:07.82
(222.910555, -11.918838)
Redshift:0.08
Type:SN II
2025ric [ZTF25abbonxp]
, RA, DEC:22:05:42.181, +22:11:22.13
(331.425754, 22.189482)
Redshift:0.07
Type:SN Ia
2025rio [ZTF25abbssqu]
, RA, DEC:17:22:00.626, +17:09:29.53
(260.502610, 17.158202)
Redshift:0.14
Type:SN Ia
2025rjh [ATLAS25hty]
, RA, DEC:14:05:56.026, -30:31:06.13
(211.483442, -30.518370)
Redshift:0.1
Type:SN Ia-91T-like
2025ocg [ATLAS25ghg]
RA, DEC:00:35:15.726, -44:04:47.98
(8.815525, -44.079994)
Redshift:0
Type:Varstar
This report includes classifications of two Type Ia SNe, one 91T-like SN Ia, one Type II supernova, and a variable star. All classifications were performed based on observations taken during the ESO …
NTT spectroscopic classifications of optical transients during the ESO Summer Research Programme
Related Objects:
2025rbu [GOTO25evm]
, RA, DEC:16:19:47.874, +09:08:59.91
(244.949475, 9.149974)
Redshift:0.12
Type:SN Ia
2025rig [ZTF25abazqup]
, RA, DEC:18:25:32.655, +26:30:14.08
(276.386062, 26.503910)
Redshift:0.09
Type:Galaxy
2025rga [ATLAS25hso]
, RA, DEC:20:39:11.639, -42:30:23.41
(309.798497, -42.506504)
Redshift:0.09
Type:SN Ia
2025qkw [ZTF25aazvkec]
, RA, DEC:23:08:32.063, -12:17:32.51
(347.133594, -12.292365)
Redshift:0.09
Type:SN Ia
2025qtf [ATLAS25hee]
, RA, DEC:01:58:15.354, -76:54:51.28
(29.563976, -76.914244)
Redshift:0.05
Type:SN Ia
2025rca [ATLAS25hte]
, RA, DEC:02:09:01.156, -28:42:23.41
(32.254816, -28.706502)
Redshift:0.07
Type:SN Ia-91T-like
2025oje [ATLAS25hfz]
, RA, DEC:23:12:39.451, +00:31:37.68
(348.164378, 0.527133)
Redshift:0.033
Type:SN II
2025pbc [ATLAS25gqv]
RA, DEC:20:27:35.014, -29:01:18.46
(306.895893, -29.021794)
Redshift:0.105
Type:SN Ia
This report includes classifications of five Type Ia SNe, one 91T-like SN Ia, one Type II supernova, and a galaxy. All classifications were performed based on observations taken during the ESO Summer…
NTT spectroscopic classifications of optical transients during the ESO Summer Research Programme
Related Objects:
2025pld [ATLAS25gqz]
, RA, DEC:22:09:55.635, -34:57:42.10
(332.481813, -34.961695)
Redshift:0.03
Type:SN II
2025qpa [GOTO25eqg]
, RA, DEC:15:59:37.633, +15:18:37.35
(239.906806, 15.310375)
Redshift:0.038
Type:SN II
2025qzz [ATLAS25hod]
, RA, DEC:00:41:57.078, -47:54:40.14
(10.487825, -47.911150)
Redshift:0.04794
Type:SN II
2025lzu [ATLAS25fob]
RA, DEC:21:39:55.024, +06:00:12.08
(324.979266, 6.003357)
Redshift:0.063
Type:SN II
This report includes classifications of 3 new Type II SNe and a reclassification of a supernova as Type II, which were done through observations taken in the course of the ESO Summer Research Program…
SLSN and TDE candidates from NEEDLE on Lasair
Source Group: OxQUB
Related Objects:
2025pjf [ZTF25aawyyyn]
, RA, DEC:21:37:44.987, -18:11:11.26
(324.437444, -18.186462)
Redshift:0.054
Type:
2025ndr [ZTF25aatpeel]
, RA, DEC:20:25:19.322, -02:29:59.80
(306.330508, -2.499945)
Redshift:0.182
Type:SN Ia-CSM
2025nxb [ZTF25aawacxy]
, RA, DEC:15:08:05.600, -00:21:42.19
(227.023334, -0.361719)
Redshift:
Type:
2025qny [ZTF25aayygab]
RA, DEC:20:52:58.494, -19:38:48.17
(313.243725, -19.646713)
Redshift:
Type:
Related Notes: ,
We report 2 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…
Discovery of 18 Transients/Variables (z_host = 0.30-2.66) in Abell 2744 using MAGNIF JWST/NIRCam Images
Source Group: MAGNIF
Related Objects: , , , , , , , , , , , , , , , , ,
We report the discovery of 18 transient/variable sources in the Abell 2744 field associated with host galaxies at redshifts z = 0.30-2.66. We discovered these sources through an archival search by co…
SN 2025pht in NGC 1637: LCO position and identification of the progenitor star candidate in HST and JWST image
Source Group: SGLF
Related Objects:
2025pht [ASASSN-25cw]
RA, DEC:04:41:28.861, -02:51:55.61
(70.370254, -2.865447)
Redshift:
Type:SN IIP
SN 2025pht (ASASSN-25cw) was discovered by K. Z. Stanek and spectroscopically classified as a SN IIP by J. Strader. The host galaxy, NGC 1637, at a redshift of z = 0.002392 has extensive archival HS…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025qgd [ATLAS25gxg]
, RA, DEC:10:27:51.066, -43:54:20.96
(156.962776, -43.905823)
Redshift:0.009354
Type:SN II
2025lwx [ATLAS25fiy]
, RA, DEC:21:28:22.795, -23:53:58.89
(322.094978, -23.899693)
Redshift:0.06
Type:SN II
2025qaz [ZTF25aayxhar]
, RA, DEC:20:50:27.269, -23:20:48.07
(312.613622, -23.346686)
Redshift:0.1
Type:SN Ia
2025qpv [ZTF25abakvtg]
, RA, DEC:21:30:58.771, +22:32:29.50
(322.744880, 22.541528)
Redshift:0.0456
Type:SN Ia
2025qzm [GOTO25esx]
, RA, DEC:00:45:32.117, -26:33:30.79
(11.383820, -26.558551)
Redshift:0.0227
Type:SN II
2025qoy [ATLAS25hbp]
, RA, DEC:03:43:55.887, -20:31:46.83
(55.982862, -20.529676)
Redshift:0.0405
Type:SN Ia
2025qha [ATLAS25gzg]
, RA, DEC:04:21:40.657, -53:21:39.13
(65.419405, -53.360869)
Redshift:0.0424
Type:SN Ia
2025qhb [ATLAS25gzh]
, RA, DEC:05:02:24.017, -47:58:41.57
(75.600069, -47.978213)
Redshift:0.06
Type:SN Ia-91T-like
2025qpo [GOTO25eqw]
, RA, DEC:20:26:29.148, -57:19:14.21
(306.621450, -57.320614)
Redshift:0.0574
Type:SN Ia
2025qqa [GOTO25ero]
RA, DEC:05:11:43.103, -42:26:38.86
(77.929597, -42.444128)
Redshift:0.052
Type:Galaxy
This report includes classifications of 5 Type Ia's, 1 Type Ia-91T, 3 Type II's, and 1 Galaxy spectrum.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2025qtv [ATLAS25hfv]
, RA, DEC:13:52:16.518, +22:31:28.30
(208.068824, 22.524529)
Redshift:0.028
Type:SN Ia-91T-like
2025qsn [GOTO25esf]
RA, DEC:16:00:38.334, +14:21:22.61
(240.159724, 14.356280)
Redshift:0.032
Type:SN II
This report includes classification of one Type Ia 91T-like supernova.
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