ROTSE3 J133033.0-313427 is a Type Ia Supernova

Details ROTSE3 J133033.0-313427 is a Type Ia Supernova ROTSE3 J133033.0-313427 is a Type Ia Supernova

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2480....1q&link_type=abstract

The Astronomer's Telegram, #2480

Astronomy and Astrophysics

Astronomy

Optical, Novae, Supernovae, Transients

Scientific paper

A spectrum (340-760 nm) of ROTSE3 J133033.0-313427 (Zheng et al., ATel #2468) obtained on Mar 14.58 UT with the 10-m Keck I (+ Low Resolution Imaging Spectrometer) shows it to be a normal Type Ia supernova. The spectra are similar to SN 1992A a few days after maximum light (Kirshner et al. 1993, ApJ 415,589). Adopting the redshift of the apparent host (z=0.048; Katgert et al. 1998, A&AS 129, 399), the expansion velocity derived from the minimum of the SiII (rest 635.5 nm) line is about 12,000 km/s.

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