DRAFT
2022-02-03 14:59:35
Type: Object/s-Discovery/Classification
Bibcode: 2022TNSAN..29....1A
ePESSTO+ spectroscopic classification of optical transients
Authors: A. Aamer, E. Ridley (Birmingham), D. O'Neill, J. Lyman (Warwick), X. Sheng, M. Nicholl (Birmingham), L. Galbany (Granada), A. Reguitti (UNAB), T. Kravtsov, C. Gutiérrez (Turku), S. Benetti (INAF-OAPd), J. Anderson (ESO), T.-W. Chen (Stockholm), M. Gromadzki (Warsaw), C. Inserra (Cardiff), E. Kankare (Turku), T. Müller Bravo (ICE), O. Yaron, E. Zimmerman (Weizmann), D. Young (QUB), J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, Univ. of Hawaii), B. Stalder (LSST), A. Rest (STScI), K. W. Smith, S. J. Smartt, J. Gillanders, O. McBrien, S. Srivastav (QUB), K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, Univ. Hawaii)
Source Group: ePESSTO+
Keywords: Transient, Supernova, Optical, Spectroscopy
Abstract:
This report includes classifications of 1 young SN Ic (potentially broad-lined or luminous), 1 SN II, 1 Galactic CV and 3 blue featureless transients.

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 Pan-STARRS Survey for Transients (Chambers et al. 2016 2016arXiv161205560C) and the ATLAS survey (Smith et al. 2020 2020arXiv200309052S).

Observations were performed on the ESO New Technology Telescope (NTT) at La Silla on the night of 2022 Feb 2, 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.

Show current TNS values
Catalog Name Reported RA Reported DEC Reported Obj-Type Reported Redshift Host Name Host Redshift Phase (days) Remarks TNS RA TNS DEC TNS Obj-Type TNS Redshift
TNS 2022azy [PS22ain] 03:59:31.679 -00:03:05.11 CV 0 03:59:31.679 -00:03:05.11 CV
TNS 2022bcf [ATLAS22dxh] 04:41:40.550 -08:42:23.50 SN II 0.016 0.017 At max We confirm an earlier classification from the SCAT group 04:41:40.560 -08:42:23.65 SN II 0.016
TNS 2022aig [ATLAS22cpm] 04:48:10.843 -17:50:27.35 SN Ic 0.04 –7 to –4 SNID gives reasonable matches to Ic or broad-lined Ic. Redshift from template matching. At this distance absolute magnitude around -19.5 and still rising. 04:48:10.845 -17:50:27.38 SN Ic 0.04
TNS 2022aip [ATLAS22cqr] 12:03:50.510 +02:53:40.74 Other Featureless blue continuum 12:03:50.510 +02:53:40.74
TNS 2022aiq [ATLAS22cqs] 08:08:13.107 +01:58:15.64 Other 0.054 Featureless blue continuum despite 20 day rise. Redshift from host lines including very strong [O II] and [O III]. Absolute mag ~ -18.3. 08:08:13.100 +01:58:15.53 0.054
TNS 2022amc [ATLAS22cts] 11:15:12.122 +07:58:06.15 Other Featureless blue continuum 11:15:12.160 +07:58:05.75

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