Optical Spectroscopy of Type Ia Supernovae

Details Optical Spectroscopy of Type Ia Supernovae Optical Spectroscopy of Type Ia Supernovae

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20717109m&link_type=abstract

American Astronomical Society Meeting 207, #171.09; Bulletin of the American Astronomical Society, Vol. 37, p.1433

Astronomy and Astrophysics

Astronomy

Scientific paper

We describe a database of 431 low-dispersion optical spectra of 32 Type Ia supernovae (SNe Ia) that also have well-calibrated light curves. The coverage ranges from 6 epochs to 36 epochs of spectroscopy per SN, with over 200 spectra within 14 days of maximum. The consistency of the method of observation and the technique of reduction makes this an ideal data set for studying the spectroscopic diversity of SNe Ia. The SNe cover a wide range of light-curve shape parameters, allowing for identification of spectroscopic characteristics that are associated with subluminous or overluminous SNe Ia, including line velocities and strengths.
Research on supernovae at Harvard University is supported by NSF Grant AST-0205808.

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