DRAFT
2021-01-30 15:25:37
Type: Object/s-Discovery/Classification
ePESSTO+ spectroscopic classification of optical transients
Authors: S. Muñoz, L. Galbany, M. Delgado (Granada), R. González (INAOE), N. Elias-Rosa (INAF), P. J. Pessi (ESO), C. Gutiérrez (Turku), S. Benetti (INAF), J. Anderson (ESO), T. Müller Bravo (Southampton), T.-W. Chen (Stockholm), M. Gromadzki (Warsaw), C. Inserra (Cardiff), E. Kankare (Turku), M. Nicholl (Birmingham), I. Irani, O. Yaron (Weizmann), D. Young (QUB), I. Manulis (Weizmann)
Source Group: ePESSTO+
Abstract:
This report includes classifications of 6 Type Ia's and an unclassified object.

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), 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).

Observations were performed on the ESO New Technology Telescope (NTT) at La Silla on the night of 2021 January 29, using EFOSC2 and Grism 13 (3985-9315A, 18A resolution). Classifications were done using SNID (Blondin & Tonry 2007 2007ApJ...666.1024B).

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 Source Phase (days) Remarks TNS RA TNS DEC TNS Obj-Type TNS Redshift
TNS 2021se [ZTF21aabpvvx] 03:15:57.530 -14:15:13.41 Other 0.074 WISEA J031557.56-141510.7 z from host spectrum 03:15:57.530 -14:15:13.41 0.074
TNS 2021asu [ZTF21aaezixn] 08:36:53.371 -05:55:03.84 SN Ia 0.04 +4 to +7 z from SNID 08:36:53.367 -05:55:03.73 SN Ia 0.04
TNS 2021apk [ZTF21aaeoxfd] 12:18:08.852 -04:25:22.58 SN Ia 0.08 WISEA J121808.89-042521.6 0.0803 z from host 12:18:08.873 -04:25:22.73 SN Ia 0.08
TNS 2021ash [ATLAS21cqe] 13:19:42.736 -04:31:45.07 SN Ia 0.041 pre-max z from SNID 13:19:42.767 -04:31:45.09 SN Ia 0.041
TNS 2021apn [ZTF21aaeotxq] 13:15:52.004 +15:51:14.75 SN Ia 0.085 WISEA J131551.95+155116.7 0.084496 post-max z from host spectra 13:15:52.004 +15:51:14.75 SN Ia 0.085
TNS 2021bjb [ATLAS21dgc] 14:03:40.318 -34:11:02.05 SN Ia 0.012 -7 to -4 z from SNID 14:03:40.318 -34:11:02.05 SN Ia 0.012
TNS 2021bja [ATLAS21dgb] 13:54:48.316 -15:38:14.50 SN Ia 0.034 -4 to +4 z from SNID 13:54:48.305 -15:38:14.54 SN Ia 0.034

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