OPTICAL-SPECTRA OF RECENT SUPERNOVAE OF TYPE IA - SN1995AL, SN1997Y, SN1997BP

Authors
ANUPAMA GC
Citation
Gc. Anupama, OPTICAL-SPECTRA OF RECENT SUPERNOVAE OF TYPE IA - SN1995AL, SN1997Y, SN1997BP, The Astronomical journal, 114(5), 1997, pp. 2054-2057
Citations number
30
Categorie Soggetti
Astronomy & Astrophysics
Journal title
The Astronomical journal → ACNP
ISSN journal
00046256
Volume
114
Issue
5
Year of publication
1997
Pages
2054 - 2057
Database
ISI
SICI code
0004-6256(1997)114:5<2054:OORSOT>2.0.ZU;2-K
Abstract
Optical spectra of three recent supernovae of type Ia: SN1995al in NGC 3021, SN1997Y in NGC 4675, and SN1997bp in NGC 4680 are presented. Co mparing the spectra with those of other normal type Ia supernovae, the epoch since maximum is estimated for each of the supernovae. Based on the blueshift of the Si II 6355 Angstrom feature, and its location in the galaxy, it appears that SN1997Y belongs to the older, bulge popul ation of the galaxy. (C) 1997 American Astronomical Society.