Spectroscopic Identification of CSS100409:154258+021653

Details Spectroscopic Identification of CSS100409:154258+021653 Spectroscopic Identification of CSS100409:154258+021653

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2575....1s&link_type=abstract

The Astronomer's Telegram, #2575

Astronomy and Astrophysics

Astronomy

Optical, Novae, Supernovae

Scientific paper

We report that inspection of a low signal-to-noise ratio CCD spectrum (range 350-1000 nm) of CSS100409:154258+021653, obtained on Apr. 15 UT with the 3-m Shane reflector (+Kast) at Lick Observatory, shows that CSS100409:154258+021653 (ATEL #2555) is a normal type-Ia supernova. Cross-correlation with a library of supernova spectra using the "SuperNova IDentification" code (SNID; Blondin and Tonry 2007, Ap.J., 666, 1024) indicates that it is within a few days of maximum brightness and has a redshift of 0.039.

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