Asiago spectroscopic classification of ASASSN-19ec
ATel #12550; Fiore (INAF OAPd), S. Schuldt, C. Vogl, S. Taubenberger (MPA, Garching), S. Benetti, E. Cappellaro, L. Tomasella, M. Turatto (INAF OAPd)
on 5 Mar 2019; 08:50 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Lina Tomasella (lina.tomasella@oapd.inaf.it)
The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic observation ASASSN-19ec (Atel #12547; aka AT2019bkh),
discovered by ZTF, ATLAS and ASAS-SN surveys.
The observation was performed with the Asiago 1.82m Copernico Telescope (+AFOSC; range 340-820 nm; resolution 1.4 nm).
Survey name | IAU name | Host galaxy | Disc. Date (UT) | Obs. Date (UT) | redshift | type | phase | notes
ASASSN-19ec | SN2019bkh | MCG+05-31-141 | 2019-03-03 09:07:12 | 2019-03-05 03:39:22 | 0.019512 | Ia | -10d | (1)
(1) Also reported as ZTF19aakzwao with discovery date 2019-02-26 07:19:12, and as ATLAS19dqw with discovery date 2019-03-03 12:17:16. Spectrum similar to those of several type Ia SNe (in agreement with the classification reported in TNS by
Fremling, et al.), with a best match about ten days before maximum light.
The velocity of the ejecta, as measured from SiII 635.5 nm, is around 13100 km/s,
using the redshift of the host galaxy as reported by Haynes et al. 1997, AJ 113, 1197 (via NED).
The classification was performed using the GELATO (Harutyunyan et al. 2008, A&A, 488, 383)
and SNID (Blondin and Tonry 2007, ApJ, 666, 1024) tools.
Padova-Asiago SN Group
