Asiago spectroscopic classification of ASASSN-18sg
ATel #11962; L. Tomasella, S. Benetti, E. Cappellaro, M. Turatto (INAF Osservatorio Astronomico di Padova)
on 17 Aug 2018; 09:30 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Lina Tomasella (lina.tomasella@oapd.inaf.it)
Subjects: Optical, Supernovae, Transient
The Asiago Transient Classification Program (Tomasella et al. 2014, AN, 335, 841) reports the spectroscopic classification of
ASASSN-18sg (AT2018fcw) discovered during the ongoing All Sky Automated Survey for SuperNovae (ASAS-SN, Shappee et al. 2014).
The observations were performed with the Asiago 1.82 m Copernico Telescope equipped with AFOSC (range 340-820 nm; resolution 1.4 nm).
Survey Name | IAI Name | Discovery date (UT) | Discovery mag | Observation (UT) | Type | z | Notes|
ASASSN-18sg | SN2018fcw | 2018-08-14 23:45:36 | 17.6 |2018â08-17.00 | Ia | 0.05 | (1) |
(1) Best match with Type Ia SN around maximum light. The velocity of the ejecta, as measured from SiII 635.5 nm, is around 10000 km/s, assuming a redshift of 0.05 as derived from SNID SN template fitting.
Classification was done with GELATO (Harutyunyan et al. 2008, A&A, 488, 383) and SNID (Blondin and Tonry 2007, ApJ, 666, 1024). The Asiago classification spectra are posted at the website http://sngroup.oapd.inaf.it.
Padova-Asiago SN Group
