Near-Infrared Spectra of Type Ib/c Supernovae

Details Near-Infrared Spectra of Type Ib/c Supernovae Near-Infrared Spectra of Type Ib/c Supernovae

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...200.1404g&link_type=abstract

American Astronomical Society, 200th AAS Meeting, #14.04; Bulletin of the American Astronomical Society, Vol. 34, p.664

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We present results from the first comprehensive study of the near-infrared (NIR) spectra of Type Ib and Type Ic supernovae. The most prominent NIR spectral feature in these objects is a very broad P-Cygni line with a minimum near 1.03 μ m. Prior to maximum light this is typically the only strong feature, although a few other broad, faint features can be seen in high S/N spectra. After maximum light, the NIR spectra of these objects become significantly richer, exhibiting a number of P-Cygni and pure emission features. At very late times ( ~3 months) molecular (CO) emission can be seen.

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