Showing results 1551 to 1600 out of 2,137
ATLAS21pki (AT2021mwj): discovery of a candidate supernova in NGC 2935 (28 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021mwj [ATLAS21pki]
RA, DEC:09:36:41.790, -21:08:47.10
(144.174124, -21.146416)
Redshift:0.007575
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS21pki (AT2021mwj) in galaxy NGC 2935 at magnitude m_o = 17.67 +/- 0.06. At a distance of 28 Mpc, the transient was discovered on MJD = 59355.2…
ATLAS21ost (AT2021mfb): discovery of a candidate SN in WISEA J213215.95-253324.0 (67 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021mfb [ATLAS21ost]
RA, DEC:21:32:15.550, -25:33:19.55
(323.064792, -25.555431)
Redshift:0.019
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS21ost (AT2021mfb) in galaxy WISEA J213215.95-253324.0 at magnitude m_o = 18.64 +/- 0.28. At a distance of 67 Mpc, the transient was discovere…
X-shooter confirmation of the redshift of the probable host galaxy of the Fast X-ray Transient XRT 210423
Keywords: Time-domain, Transient, Spectroscopy, Gamma-Ray Burst, Black Hole, Neutron Star, Optical, Infra-Red, X-rays, Gravitational Waves
Related Objects:
XRT210423
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
XRT210423
Using VLT/X-shooter we confirm the redshift determination of z=1.5105 (Andreoni et al. 2021 ATel #14641) of the potential host galaxy of the fast X-ray transient XRT210423. The offset and peak lumino…
Spectroscopic classification of 10 ZTF transients
Source Group: ZTF
Related Objects:
2021kqt [ZTF21aaxtjvm]
, RA, DEC:12:47:05.713, +71:19:50.30
(191.773805, 71.330638)
Redshift:0.107
Type:SN Ia
2021hac [ZTF21aaqldsj]
, RA, DEC:14:12:30.458, +34:33:00.40
(213.126908, 34.550111)
Redshift:0.0316
Type:SN II
2021kgu [ZTF21aawtewf]
, RA, DEC:15:43:21.070, +42:09:13.21
(235.837792, 42.153669)
Redshift:0.103
Type:SN Ia
2021lea [ZTF21aayrbnn]
, RA, DEC:14:21:35.131, +75:20:57.35
(215.396379, 75.349264)
Redshift:0.09
Type:SN Ia
2021jun [ZTF21aavotzn]
, RA, DEC:10:11:10.221, +54:33:02.47
(152.792588, 54.550685)
Redshift:0.04
Type:SN Iax[02cx-like]
2021jaj [ZTF21aaukcog]
, RA, DEC:15:47:49.500, +71:36:09.54
(236.956250, 71.602650)
Redshift:0.04
Type:SN II
2021kat [ZTF21aavuqzr]
, RA, DEC:19:50:31.660, +57:59:28.07
(297.631917, 57.991131)
Redshift:0.1013
Type:SN IIn
2021kjn [ZTF21aawmtug]
, RA, DEC:11:04:55.190, +24:46:56.35
(166.229958, 24.782319)
Redshift:
Type:SN II
2021kxf [ZTF21aaydwzt]
, RA, DEC:13:37:47.539, +01:19:45.41
(204.448080, 1.329280)
Redshift:
Type:SN Ia
2021kqv [ZTF21aaxtije]
RA, DEC:15:56:52.040, +78:27:48.96
(239.216833, 78.463600)
Redshift:0.051
Type:SN IIn
We report spectral classifications of 10 supernovae from the Zwicky Transient Facility.
DESIRT spectroscopic classification of AT2021knj
Source Group: DESIRT
Related Objects:
2021knj
RA, DEC:14:36:23.135, -00:35:03.18
(219.096394, -0.584217)
Redshift:0.08
Type:SN Ia-91T-like
This report classifies AT2021knj as a SN 1991T-like SN Ia using a spectrum obtained on May 04 2021 (UT date) with the Kast spectrograph on the 3 m Shane telescope at Lick Observatory.
Reclassification of SN 2020aekp (Gaia20fxk/ZTF21aaabwzx) as a Type Ia-CSM Supernova
Source Group: ZTF
Related Objects:
2020aekp [ZTF21aaabwzx]
RA, DEC:15:43:11.390, +17:48:47.20
(235.797458, 17.813111)
Redshift:0.046
Type:SN Ia-CSM
We reclassify SN 2020aekp as a Type Ia-CSM supernova. It was previously classified as a normal Type Ia based on a low-resolution spectrum taken around the time of its initial light curve maximum. T…
ZTF Discovery and Classification of SN 2021lwz: A Young, Fast-rising, Hydrogen-Poor Luminous Supernova
Source Group: ZTF
Related Objects:
2021lwz [ZTF21abaiono]
RA, DEC:09:44:47.390, +34:42:44.21
(146.197458, 34.712281)
Redshift:0.065
Type:SLSN-I
We report the classification of SN 2021lwz as a young Type Ic luminous/superluminous supernova. A Keck/LRIS spectrum resembles early-phase SLSN-I template spectra, and the absolute magnitude is M_g …
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2021lji [ZTF21aaxtgsv]
, RA, DEC:15:20:53.831, +02:12:47.87
(230.224295, 2.213298)
Redshift:0.12
Type:SLSN-I
2021kal [ZTF21aavxtdx]
, RA, DEC:10:05:06.687, -05:28:58.41
(151.277863, -5.482893)
Redshift:
Type:
2021jtu [ZTF21aatwkkg]
, RA, DEC:10:39:13.681, -26:38:27.33
(159.807005, -26.640925)
Redshift:0.113
Type:SN IIn
2021bpz [ZTF21aagskhr]
, RA, DEC:12:47:56.669, +29:43:12.30
(191.986121, 29.720083)
Redshift:
Type:
2021ejo [ZTF21aaherjf]
RA, DEC:10:31:38.990, +31:00:04.50
(157.912458, 31.001250)
Redshift:0.44
Type:SLSN-I
We report 5 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is >30 days and a typical peak r-band magnitude is 19-20…
Updated Classification of SN 2021ltk with GMOS on the Gemini South Telescope
Source Group: UCSC
Related Objects:
2021ltk [ATLAS21obo]
RA, DEC:14:05:37.900, -39:12:02.66
(211.407917, -39.200739)
Redshift:0.013643
Type:SN II
We report the updated spectroscopic classification of SN 2021ltk as a SN II.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021lei [ZTF21aayonfd]
, RA, DEC:12:06:20.968, +12:40:14.62
(181.587368, 12.670728)
Redshift:0.112
Type:SN Ic
ZTF21aauufbz
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
ZTF21aauufbz
This report includes classifications of two transients. AT2021lei is spectroscopically similar to type Ic/Ic-BL SNe, but the spectral features appear to be blueshifted based on the tentatively identi…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021lmt [ZTF21aazqkeq]
, RA, DEC:15:41:45.029, -03:54:37.03
(235.437621, -3.910287)
Redshift:0.0283
Type:SN II
2021lwx [ZTF20abrbeie]
RA, DEC:21:13:48.405, +27:25:50.46
(318.451686, 27.430683)
Redshift:0.995
Type:AGN
This report includes two classification spectra. AT2021lmt shows a blue continuum with host galaxy lines at z=0.028. The transient is likely a core-collapse SN, possibly a Type II SN. AT2021lwx shows…
Spectroscopic Classification of AT 2021ltk with GMOS on the Gemini South Telescope
Source Group: UCSC
Related Objects:
2021ltk [ATLAS21obo]
RA, DEC:14:05:37.900, -39:12:02.66
(211.407917, -39.200739)
Redshift:0.013643
Type:SN II
We report the spectroscopic classification of AT 2021ltk as a SN I.
Spectroscopic Classification of AT 2021lwa with the Lick Shane Telescope
Source Group: UCSC
Related Objects:
2021lwa [ZTF21aaxtsum]
RA, DEC:16:07:31.346, +33:30:13.18
(241.880610, 33.503661)
Redshift:0.123
Type:SN Ia
We report spectroscopic classification of AT 2021lwa as a SN Ia.
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2021kqi [ZTF21aavelfw]
, RA, DEC:13:18:46.261, -07:42:09.04
(199.692755, -7.702510)
Redshift:
Type:
2021iuj [ZTF21aaryclo]
, RA, DEC:11:36:45.855, -24:46:09.14
(174.191062, -24.769206)
Redshift:
Type:
2021lmv [ZTF21aavyozi]
, RA, DEC:09:07:58.565, -16:00:03.05
(136.994021, -16.000846)
Redshift:
Type:
2021mz [ZTF20acxmxtu]
, RA, DEC:23:01:51.218, +13:57:23.81
(345.463407, 13.956614)
Redshift:0.121
Type:SN IIn
2021kfu [ZTF21aavgnyg]
, RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
2021kfu [ZTF21aavgnyg]
2021lft
, RA, DEC:17:12:05.980, +40:20:42.88
(258.024916, 40.345245)
Redshift:0.076
Type:SN IIn
2021kat [ZTF21aavuqzr]
RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
2021kat [ZTF21aavuqzr]
We report 7 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is >30 days and a typical peak r-band magnitude is 19-20…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021krf [ZTF21aaxtctv]
, RA, DEC:12:51:17.443, +00:31:14.73
(192.822679, 0.520758)
Redshift:0.01356
Type:SN Ic
2021knh [ZTF21aaxjpsw]
RA, DEC:09:10:08.650, -27:37:26.58
(137.536042, -27.624050)
Redshift:0.03
Type:SN Ia
This report includes classifications of 1 type Ia (SN 2021knh) and 1 type Ic-peculiar SN (SN 2021krf). SN 2021krf presents some similarities with the peculiar type-Ic SN 2005ek, as it shows C II line…
ZTF21aayokph (AT2021lfa): Redshift from Gemini South
Related Objects:
We observed AT2021lfa with GMOS-S, and identify z=1.063 as the most probable redshift for this candidate afterglow.
ZTF and LT observations of ZTF21aayokph (AT2021lfa), a fast-fading red transient
Related Objects:
We report the discovery of a fast-fading red transient (a candidate afterglow).
WISeREP - New URL: www.wiserep.org
Today, May 2nd, 2021, the Weizmann Interactive Supernova data Repository (WISeREP) has been moved to the AWS cloud. Don't forget to update your links to www.wiserep.org. The WISeREP Sandbox environme…
ATLAS21nmi (AT2021koq): discovery of a candidate supernova in UGC 11177 (84 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021koq [ATLAS21nmi]
RA, DEC:18:16:01.020, +06:45:06.37
(274.004250, 6.751769)
Redshift:0.020538
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS21nmi (AT2021koq) in galaxy UGC 11177 at magnitude o = 17.84 +/- 0.11. At a distance of 84 Mpc, the transient was discovered on MJD = 59332.49…
ATLAS21nlx (AT2021koj): discovery of a candidate supernova in MCG-02-22-003 (64 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021koj [ATLAS21nlx]
RA, DEC:08:21:34.310, -13:21:08.57
(125.392958, -13.352381)
Redshift:0.014303
Type:SN II
Here we report the ATLAS discovery of the transient ATLAS21nlx (AT2021koj) in galaxy MCG-02-22-003 at magnitude o = 18.19 +/- 0.08. At a distance of 64 Mpc, the transient was discovered on MJD = 5933…
X-ray detection of the SLSN-I 2020tcw
Related Objects:
2020tcw
RA, DEC:15:28:17.080, +39:56:50.53
(232.071167, 39.947369)
Redshift:0.0645
Type:SLSN-I
Related Notes: ,
We report the first X-ray detection of SN2020tcw with the Chandra X-ray Observatory (CXO) at 60 days post-discovery.
Pan-STARRS Search for Kilonovae: discovery of 2 intrinsically faint transients within 100 Mpc
Source Group: Pan-STARRS
Related Notes:
We are carrying out the "Pan-STARRS Search for Kilonovae" which is a focused search for intrinsically faint transients, or rapidly evolving transients in galaxies which are closer than 200 Mpc in the…
Classification of ATLAS21nak (2021kgj): a possible SN 2009ip-like IIn event at 65 Mpc
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021kgj [ATLAS21nak]
RA, DEC:12:14:07.543, -12:35:16.80
(183.531427, -12.587999)
Redshift:0.014347
Type:SN IIn
Related Notes:
We highlight photometric and spectroscopic observations of ATLAS21nak (AT2021kgj), discovered in the host galaxy NGC 4188 at z = 0.014 (65 Mpc). Spectra indicate it is a type IIn and historic detecti…
Classification of SN2021fpl as a SLSN-I
Source Group: TCD
Keywords: Supernova
Related Objects:
2021fpl [ATLAS21iao]
RA, DEC:20:14:18.620, -18:10:56.57
(303.577583, -18.182381)
Redshift:0.115
Type:SLSN-I
We report the classification of SN2021fpl as a SLSN-I
Palomar Gattini-IR discovery of a peculiar, rapidly rising and highly reddened Galactic transient PGIR21fjn/AT2021kgk
Source Group: Gattini
Related Objects:
2021kgk [PGIR21fjn]
RA, DEC:19:07:58.620, +08:43:45.84
(286.994250, 8.729400)
Redshift:0
Type:Nova
We report the discovery of a highly reddened and rapidly rising Galactic transient by the Palomar Gattini-IR survey. The source PGIR21fjn / AT2021kgk was first detected on UT 2021-04-19 at a magnitud…
Classification of SN 2021jvp (PS21dhv) as a Type Ia-91bg-like supernova with UH88 / SNIFS
Source Group: Pan-STARRS
Related Objects:
2021jvp [PS21dhv]
RA, DEC:14:20:46.938, -19:47:10.09
(215.195576, -19.786136)
Redshift:0.044
Type:SN Ia-91bg-like
Related Notes: ,
Here we report the spectroscopic classification of SN 2021jvp (PS21dhv; Chen et al. AstroNote 2021-124) in galaxy WISEA J142047.66-194744.9. The spectrum shows a good match with SN 1991bg around pea…
ZTF observations of AT2021izg, a hostless fast-evolving transient
Related Objects:
We report the identification of a fast-evolving transient by the Zwicky Transient Facility.
ATLAS21nak (AT2021kgj): discovery of a candidate SN in NGC 4188 (65 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021kgj [ATLAS21nak]
RA, DEC:12:14:07.543, -12:35:16.80
(183.531427, -12.587999)
Redshift:0.014347
Type:SN IIn
Here we report the ATLAS discovery of the transient ATLAS21nak (AT2021kgj) in galaxy NGC 4188 at magnitude m_o = 17.15 +/- 0.06. At a distance of 65 Mpc, the transient was discovered on MJD = 59322…
Spectroscopic Classifications of Optical Transients with SOAR
Source Group: YSE
Related Objects:
2021iok [PS21cwu]
, RA, DEC:15:07:33.050, -12:12:52.87
(226.887706, -12.214685)
Redshift:0.128
Type:SN Ia
2021frk [PS21bry]
, RA, DEC:12:39:21.612, -00:24:51.75
(189.840051, -0.414374)
Redshift:0.132
Type:SN Ia
2021ipj [ATLAS21lay]
, RA, DEC:10:59:47.720, -07:00:27.79
(164.948833, -7.007719)
Redshift:0.11
Type:SN Ia-91T-like
2021kcc [PS21dje]
RA, DEC:12:56:07.943, -04:57:38.17
(194.033094, -4.960602)
Redshift:0.18
Type:SN Ia
We report spectroscopic classifications of three SNe-Ia and one 91T-like event.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021jyr [ATLAS21mws]
, RA, DEC:09:33:42.145, +09:55:36.54
(143.425602, 9.926817)
Redshift:0.104
Type:SN Ia
2021kax [ZTF21aavozbk]
, RA, DEC:12:59:50.568, +22:43:23.85
(194.960701, 22.723292)
Redshift:0.072
Type:SN Ia
2021jvf [ATLAS21mwj]
, RA, DEC:20:43:58.361, -20:40:29.60
(310.993169, -20.674889)
Redshift:0.0277
Type:SN Ic
2021kfo [ZTF21aaweqit]
RA, DEC:16:15:00.811, +06:13:19.17
(243.753378, 6.221991)
Redshift:0.06
Type:SN II
This report includes classifications of two Type Ia's, one Type II, and one Type Ic.
adH0cc spectroscopic classification of SN 2021jom and SN 2021jwd
Source Group: adH0cc
Related Objects:
2021jom [ZTF21aavdukh]
, RA, DEC:14:45:25.283, +16:35:12.64
(221.355345, 16.586845)
Redshift:0.0372
Type:SN II
2021jwd [ZTF21aavrvuj]
RA, DEC:11:34:11.673, +31:49:25.63
(173.548637, 31.823785)
Redshift:0.064
Type:SN II
Related Notes:
We have obtained optical spectra of SN 2021jom and SN 2021jwd, which show them to be young Type II supernovae approximately a week after explosion.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021iex [ZTF21aarlqgt]
, RA, DEC:08:58:39.329, +12:18:51.44
(134.663871, 12.314289)
Redshift:0.067
Type:SN II
2021jlr [ZTF21aatvqcl]
, RA, DEC:09:17:23.780, +25:48:17.53
(139.349083, 25.804869)
Redshift:0.029
Type:SN II
2021hqe [ATLAS21jmk]
, RA, DEC:09:41:30.959, +10:38:22.83
(145.378997, 10.639676)
Redshift:0.0185
Type:SN II-pec
2021jvi [ATLAS21mwk]
, RA, DEC:10:23:54.735, -30:10:55.07
(155.978062, -30.181965)
Redshift:0.0672
Type:SN Ia
2021gbs [MASTER OT J203331.31-243730.1]
RA, DEC:20:33:31.320, -24:37:30.58
(308.380499, -24.625161)
Redshift:0.0248
Type:SN Ia
Related Notes:
This report includes classifications of two Type Ia's, two Type II's, and one peculiar Type II. The peculiar Type II SN 2021hqe is similar to SN 1987A around three weeks after explosion.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021iyz [Gaia21bto]
, RA, DEC:07:29:05.640, +00:36:22.50
(112.273500, 0.606250)
Redshift:0
Type:CV
2021ife [BraTS-SON-T2-024]
, RA, DEC:12:22:05.280, -19:37:15.90
(185.522000, -19.621083)
Redshift:0
Type:CV
2021jvs [ZTF21aavqphe]
, RA, DEC:14:57:44.805, +06:37:27.77
(224.436687, 6.624380)
Redshift:0.021
Type:SN Ia
2021jwl [ZTF21aavhlry]
, RA, DEC:15:35:34.263, +05:23:32.02
(233.892761, 5.392228)
Redshift:0.038
Type:SN Ia
2021iue [ATLAS21lpv]
, RA, DEC:15:11:38.865, +15:20:51.32
(227.911936, 15.347589)
Redshift:0.09
Type:SN Ia
2021jtz [ATLAS21mtv]
, RA, DEC:10:34:39.648, -38:47:39.24
(158.665200, -38.794233)
Redshift:0.1
Type:SN Ia
2021gba [PS21bxj]
, RA, DEC:14:37:03.895, -08:04:35.06
(219.266229, -8.076405)
Redshift:0.1
Type:SN Ia
2021juw [Gaia21bwh]
, RA, DEC:19:47:05.210, -20:12:11.52
(296.771708, -20.203200)
Redshift:0.039
Type:SN Ia
2021jbi [ATLAS21mbz]
RA, DEC:13:18:39.030, -41:15:12.07
(199.662624, -41.253352)
Redshift:0.14
Type:SN IIn
This report includes classifications of 6 SNe Ia, 1 SN IIn, 1 CV, and 1 He nova.
adH0cc spectroscopic classification of SN 2021jpk
Source Group: adH0cc
Related Objects:
2021jpk [ZTF21aauvmck]
RA, DEC:14:39:00.027, +12:40:10.03
(219.750113, 12.669454)
Redshift:0.038
Type:SN Ibn
Related Notes:
We have obtained an optical spectrum of SN 2021jpk, which shows it to be a Type Ibn supernova a few days before or at maximum.
Pan-STARRS Search for Kilonovae: discovery of an intrinsically faint transient in WISEA J142047.66-194744.9 (162 Mpc)
Source Group: Pan-STARRS
Related Objects:
2021jvp [PS21dhv]
RA, DEC:14:20:46.938, -19:47:10.09
(215.195576, -19.786136)
Redshift:0.044
Type:SN Ia-91bg-like
Related Notes:
We are carrying out the "Pan-STARRS Search for Kilonovae" which is a focused search for intrinsically faint transients, or rapidly evolving transients in galaxies which are closer than 200 Mpc in the…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021ixi [ZTF21aauapli]
, RA, DEC:17:31:15.726, +05:26:22.41
(262.815524, 5.439559)
Redshift:0.02
Type:SN Ia-91T-like
2021jbh [ATLAS21mbw]
, RA, DEC:13:15:15.572, -35:10:15.53
(198.814883, -35.170981)
Redshift:
Type:
2021jbk [ATLAS21mcf]
, RA, DEC:13:45:08.104, -44:29:29.22
(206.283767, -44.491450)
Redshift:0.05
Type:SN Ib
2021jbn [ATLAS21mdo]
, RA, DEC:13:58:31.575, -31:06:45.61
(209.631561, -31.112670)
Redshift:0.08
Type:SN Ia
2021jmi [ATLAS21mij]
, RA, DEC:15:28:41.310, +26:09:19.31
(232.172126, 26.155364)
Redshift:0.086
Type:SN Ia
2021iso [ZTF21aatpsky]
RA, DEC:11:57:21.460, -20:13:58.56
(179.339417, -20.232933)
Redshift:0.031
Type:SN II
Related Notes:
This report includes classifications of three SNe Ia, one SN Ib, and a reclassification of the former blue, featureless transient SN 2021iso as a SN II.
Fully automated spectroscopic classification of ZTF SNe Ia
Source Group: ZTF
Related Objects:
2021ijb [ZTF21aastazz]
RA, DEC:07:22:54.454, +46:29:44.04
(110.726890, 46.495566)
Redshift:0.053
Type:SN Ia
The Zwicky Transient Facility (ZTF) Bright Transient Survey (BTS) announces the start of fully automated spectroscopic classifications of SNe Ia using spectra obtained by the robotic Palomar 60-inch …
adH0cc spectroscopic classification of SN 2021inc and SN 2021jmg
Source Group: adH0cc
Related Objects:
2021inc [ZTF21aatabgn]
, RA, DEC:13:48:21.200, +28:16:07.08
(207.088331, 28.268634)
Redshift:0.0777
Type:SN II
2021jmg [ATLAS21mhi]
RA, DEC:13:16:51.913, +14:24:54.58
(199.216304, 14.415162)
Redshift:0.0589
Type:SN Ic
Related Notes:
We have obtained optical spectra of SN 2021inc and SN 2021jmg, which show them to be a young Type II supernova and a Type Ic supernova close to maximum, respectively.
ATLAS21lte (AT2021iwv): discovery of a candidate supernova in MCG +15-01-008 (67 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021iwv [ATLAS21lte]
RA, DEC:10:03:29.260, +89:01:45.05
(150.871917, 89.029181)
Redshift:0.016
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS21lte (AT2021iwv) in galaxy MCG +15-01-008 at magnitude c = 18.29 +/- 0.17. At a distance of 67 Mpc, the transient was discovered on MJD = 593…
ZTF superluminous supernova candidates
Source Group: ZTF
Related Objects:
2021jmn [ZTF21aamwsud]
, RA, DEC:17:10:25.090, +64:09:41.60
(257.604542, 64.161556)
Redshift:0.298
Type:SLSN-II
2021hpx [ZTF21aappdnv]
, RA, DEC:09:31:06.260, -19:31:04.76
(142.776083, -19.517989)
Redshift:0.213
Type:SLSN-I
2021jmj [ZTF21aakmsod]
, RA, DEC:08:25:25.390, +23:18:41.70
(126.355792, 23.311583)
Redshift:
Type:
2021jmk [ZTF21aaphpys]
, RA, DEC:12:04:34.010, -23:52:41.70
(181.141708, -23.878250)
Redshift:
Type:
2021jmm [ZTF21aanuxvd]
, RA, DEC:09:56:55.850, +45:57:03.50
(149.232708, 45.950972)
Redshift:0.19
Type:SN IIn
2021hpc [ZTF21aaqawpd]
, RA, DEC:13:33:01.069, +43:10:33.80
(203.254454, 43.176056)
Redshift:0.24
Type:SLSN-I
2021jml [ZTF21aarkkof]
RA, DEC:06:12:15.340, +58:35:19.50
(93.063917, 58.588750)
Redshift:
Type:
We report 7 ZTF superluminous supernova candidates selected by our software filter and subsequent vetting. In this sample, a typical rise time is about 50 days and a typical peak r-band magnitude is …
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021jad [ATLAS21lyp]
, RA, DEC:05:33:22.170, -21:57:06.70
(83.342375, -21.951861)
Redshift:0.0055
Type:SN Ia
2021jae [ATLAS21lzi]
, RA, DEC:08:14:49.220, -22:15:00.64
(123.705082, -22.250179)
Redshift:0
Type:CV
2021fpn [ATLAS21iaq]
, RA, DEC:10:13:47.640, -00:54:55.08
(153.448500, -0.915300)
Redshift:0.0424
Type:SN IIn
2021htf [ZTF21aarbhhp]
, RA, DEC:10:13:46.560, -00:54:30.97
(153.444002, -0.908603)
Redshift:0.0424
Type:SN IIP
2021igl [ATLAS21kdf]
, RA, DEC:12:28:45.736, +27:05:51.64
(187.190565, 27.097679)
Redshift:0.115
Type:SN Ia
2021inj [ZTF21aaswtok]
, RA, DEC:16:05:39.008, +03:04:18.97
(241.412535, 3.071935)
Redshift:0.041
Type:SN Ia
2021gdm [ZTF21aaptmrn]
, RA, DEC:15:49:33.053, +04:40:15.54
(237.387721, 4.670983)
Redshift:0.112
Type:SN Ia
2021jby [DLT21l]
, RA, DEC:00:00:00.000,
(0.000000, 0.000000)
Redshift:
Type:
2021jby [DLT21l]
2021hel [ZTF21aaquyjp]
RA, DEC:21:05:10.730, +12:49:24.74
(316.294708, 12.823539)
Redshift:
Type:
This report includes classifications of 4 SNe Ia, 1 SN IIP, 1 SN IIn, and 2 CVs. The SN IIP and the SN IIn are located in the same host galaxy and exploded within a few weeks of each other.
ATLAS21lyp (AT2021jad): discovery of a candidate SN in NGC 1964 (20 Mpc)
Source Group: ATLAS
Keywords: Supernova
Related Objects:
2021jad [ATLAS21lyp]
RA, DEC:05:33:22.170, -21:57:06.70
(83.342375, -21.951861)
Redshift:0.0055
Type:SN Ia
Here we report the ATLAS discovery of the transient ATLAS21lyp (AT2021jad) in galaxy NGC 1964 at magnitude m_c = 15.42 +/- 0.01. At a distance of 20 Mpc, the transient was discovered on MJD = 59315…
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021iso [ZTF21aatpsky]
, RA, DEC:11:57:21.460, -20:13:58.56
(179.339417, -20.232933)
Redshift:0.031
Type:SN II
2021ipf [ZTF21aasuazz]
, RA, DEC:11:37:50.575, -07:13:42.15
(174.460729, -7.228375)
Redshift:0.055735
Type:SN Ia
2021ify [ZTF21aassamj]
, RA, DEC:17:26:53.693, +13:10:43.92
(261.723723, 13.178866)
Redshift:0.056
Type:SN Ia
2021hiv [ZTF21aaquhqr]
, RA, DEC:12:49:05.843, -12:12:27.61
(192.274347, -12.207670)
Redshift:0.023
Type:SN II
2021ill [ATLAS21krq]
, RA, DEC:09:19:45.340, -30:52:40.76
(139.938917, -30.877989)
Redshift:0.056
Type:SN Ia
2021ijh [Gaia21brl]
, RA, DEC:12:13:59.390, -51:48:38.81
(183.497458, -51.810781)
Redshift:0.037
Type:SN II
2021gvv [ZTF21aaqmoof]
RA, DEC:17:04:35.997, +14:04:49.37
(256.149987, 14.080381)
Redshift:0.038
Type:SN II
This report includes classifications of three Type Ia's, three Type II's, and a young blue featureless transient.
ePESSTO+ spectroscopic classification of optical transients
Source Group: ePESSTO+
Related Objects:
2021iff [ASASSN-21ex]
RA, DEC:08:40:57.912, -67:01:44.51
(130.241300, -67.029030)
Redshift:0.03
Type:SN Ia
This report includes the classification of one Type Ia supernova.
DESIRT early discovery of two infant candidate SNe AT2021iro and AT2021irn
Source Group: DESIRT
Here we report the DESIRT discovery of the transient AT2021irn in galaxy 2MFGC 11748 (z= 0.05684), and AT2021iro in galaxy LEDA 1226591 (z= 0.13717). AT2021irn was discovered on 2021-04-06 05:56 UT w…
Spectroscopic Classification of AT 2021hud with Keck I + LRIS
Source Group: UCSC
Related Objects:
2021hud [PS21cvi]
RA, DEC:16:01:53.305, +20:15:30.03
(240.472105, 20.258341)
Redshift:0.047469
Type:SN II
We report spectroscopic classification of AT2021hud as a SN II
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Early multiband light curve of SN 2023ixf
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Onset of SN 2023ixf observed over East Asian longitudes
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