ePESSTO+, the advanced Public ESO Spectroscopic Survey for Transient Objects (Smartt et al. 2015 2015A&A...579A..40S), reports the following supernova classifications.
Targets were supplied by the ATLAS survey (Smith et al. 2020 2020arXiv200309052S) and the Zwicky Transient Facility ZTF (Bellm et al. 2019 2019PASP..131a8002B) - data stream processed through the Lasair broker (Smith, Williams, Young et al. 2019 2019RNAAS...3a..26S) and by the ALeRCE broker (Forster et al. 2020 https://arxiv.org/abs/2008.03303).
Observations were performed on the ESO New Technology Telescope (NTT) at La Silla on the night of 2021 March 03, using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). Classifications were done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B) and GELATO (Harutyunyan et al. 2008 2008A&A...488..383H).
The classification spectra and additional details can be obtained from http://www.pessto.org (via WISeREP) and the IAU Transient Name Server.
The classified objects are listed in the Related Objects table below.
Catalog | Name | Reported RA | Reported DEC | Reported Obj-Type | Reported Redshift | Host Name | Host Redshift | Source | Phase (days) | Remarks | TNS RA | TNS DEC | TNS Obj-Type | TNS Redshift |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TNS | 2021ddc | 12:20:46.175 | +27:53:05.38 | SN | 0.0504 | ATLAS | blue continuum; redshift from narrow ISM lines | 12:20:46.175 | +27:53:05.38 | SN | 0.0504 | |||
TNS | 2021dhy | 11:03:29.158 | -14:38:20.34 | SN Ia | 0.0664 | WISEA J110329.05-143817.8 | 0.066436 | ZTF | at max | 11:03:29.158 | -14:38:20.34 | SN Ia | 0.0664 | |
TNS | 2021dib | 11:34:56.673 | +09:02:19.26 | SN I | 0.086 | SDSS J113456.67+090218.4 | ZTF | at max | redshift from SN spectrum fit | 11:34:56.671 | +09:02:19.19 | SN I | 0.086 | |
TNS | 2021dqo | 08:51:39.101 | +23:56:09.56 | SN Ia | 0.078 | ZTF | at max | redshift from SN spectrum fit | 08:51:39.097 | +23:56:09.40 | SN Ia | 0.078 | ||
TNS | 2021duv | 11:45:54.651 | +22:27:15.94 | SN II | 0.0227 | 2MFGC 09233 | 0.022686 | ZTF | -7 to -4 | 11:45:54.651 | +22:27:15.94 | SN II | 0.0227 | |
TNS | 2021eij | 14:29:33.108 | +10:56:29.68 | SN Ia | 0.1 | ZTF | -4 to -7 | redshift from SN spectrum fit | 14:29:33.108 | +10:56:29.68 | SN Ia | 0.1 | ||
TNS | 2021ecu | 16:33:11.583 | +09:34:01.92 | SN Ia-91T-like | 0.068 | ZTF | -10 to -8 | redshift from SN spectrum fit | 16:33:11.580 | +09:34:01.78 | SN Ia-91T-like | 0.068 |
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