Spectroscopic Classification of PS16fa as a Type Ia Supernova
ATel #8534; Yuxin Xin and Jujia Zhang (Yunnan Observatories)
on 12 Jan 2016; 01:51 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Ju-Jia Zhang (email@example.com)
Subjects: Optical, Supernovae
We report an optical spectrum (range 350-900 nm) of PS16fa obtained on UT 2016 Jan. 11.9 with the 2.4 m telescope (+YFOSC) at Lijiang observatory of Yunnan Observatories. The spectrum is consistent with a Type Ia supernova at around maximum light. Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, ApJ. 666, 1024) shows that it matches with SN 1995E at t = +1 days. Adopting a redshift of 0.046 for its host galaxy SDSS J101917.64+044543.9, an expansion velocity of about 10,500 km/s can be derived from the absorption minimum of Si II 635.5 nm.