AstroNote 2021-172

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DRAFT
2021-06-15 17:04:12
Type: Object/s-Discovery/Classification
ZTF superluminous supernova candidates
Authors: Lin Yan (Caltech), Daniel A. Perley (LJMU), Ragnhild Lunnan, Ting-Wan Chen, Steve Schulze, Tuomas Kangas (OKC)
Source Group: ZTF
Abstract:
We report 6 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 19-20 mag. We encourage spectroscopic classifications.

The Zwicky Transient Facility (ZTF; Bellm et al. 2019; Graham et al. 2019) Superluminous Supernova Science Program (e.g. Lunnan et al. 2020) reports 6 candidate SLSNe, following the methodology outlined by Perley et al. (in prep.)  We selected transients that have a long rise time (>20 days) and a faint host galaxy.

We summarise properties of the candidates in the Related Objects Table. These include coordinates, current magnitudes, approximate rise times, photometric redshifts of potential host galaxies (taken from the SDSS DR14) and special remarks.

We will distribute alerts on such SLSN candidates via AstroNotes periodically; spectroscopic classifications and additional follow-up observations of these transients are encouraged.

This report is based on observations obtained with the Samuel Oschin Telescope 48-inch and the 60-inch Telescope at the Palomar Observatory as part of the Zwicky Transient Facility project. ZTF is supported by the National Science Foundation under Grant No. AST-2034437 and a collaboration including Caltech, IPAC, the Weizmann Institute for Science, the Oskar Klein Center at Stockholm University, the University of Maryland, Deutsches Elektronen-Synchrotron and Humboldt University, the TANGO Consortium of Taiwan, the University of Wisconsin at Milwaukee, Trinity College Dublin, Lawrence Livermore National Laboratories, and IN2P3, France. Operations are conducted by COO, IPAC, and UW.

Show current TNS values
CatalogNameReported RAReported DECReported Obj-TypeReported RedshiftHost NameHost RedshiftCurrent magnitudeHostZTF namerise-time/phaseRemarksTNS RATNS DECTNS Obj-TypeTNS Redshift
TNS2021mrn [ZTF21aazpcon]13:19:13.461+38:45:46.06g=201 r = 19.9SDSS none-detectionZTF21aazpconrising, 40dayscurrent g=20.1,r=19.913:19:13.467+38:45:45.96
TNS2021oky13:19:24.269+10:01:53.01r=19.4 g=19.4SDSS none-detectionZTF21abctcptrising, 26 days13:19:24.269+10:01:53.01
TNS2021nxq [ZTF21abcpsjy]14:25:20.679+37:45:44.70g=19.3 r=19.3SDSS none-detectionZTF21abcpsjystill rising 40 days14:25:20.679+37:45:44.70SLSN-I0.15
TNS2021mkr [ZTF21abbqeea]14:56:52.569+60:50:05.18SDSS J145652.70+605004.7r=19.08 g=19.27r=20ZTF21abbqeearising, 30 days14:56:52.570+60:50:05.10SLSN-I0.28
TNS2021mlh [ZTF21abavqaz]17:25:28.659+63:08:42.50SDSS J172528.79+630842.4r=19.3 g=19.3r=21.7ZTF21abavqazrising/plateau 40d17:25:28.659+63:08:42.50SN IIP0.189
TNS2021owc20:22:44.746-14:48:45.89r=19.3 g=19.7PS1 non-detectionZTF21abaadkbr-band, 40 days20:22:44.746-14:48:45.89SN IIn0.127