Mathematics
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iauc.8350....3m&link_type=abstract
IAU Circ., 8350, 3 (2004). Edited by Green, D. W. E.
Mathematics
Scientific paper
Further to IAUC 8338, T. Matheson et al. report that a spectrum (range 340-730 nm) of SN 2004ca, obtained by M. Calkins on June 10.46 UT, shows it to be a type-Ia supernova near maximum spectral-feature age 2 +/- 2 days before maximum light). Adopting the NED recession velocity of 5338 km/s for the host galaxy, the supernova expansion velocity is 12800 km/s for Si II (rest 635.5 nm) and 20400 km/s for Ca II (rest 395.1 nm).
Calkins Michael
Matheson Thomas
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