Matheson et al. also report that spectra of SN 2001F (cf. IAUC 7558), obtained by Calkins on Jan. 14.53 UT, shows it to be a type-Ia supernova several weeks past maximum light. The spectrum consists of nebular emission lines of iron and cobalt. They also note that spectra of SN 2001H (cf. IAUC 7560), obtained by Calkins on Jan. 14.16 UT, shows it to be a type-II supernova before maximum light. The spectrum consists of an almost-featureless blue continuum with incipient P-Cyg lines of hydrogen.
International Astronomical Union Circular
- Pub Date:
- January 2001