Stellar spectroscopy methods for study of supernova remnants

Details Stellar spectroscopy methods for study of supernova remnants Stellar spectroscopy methods for study of supernova remnants

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ysc..conf...15p&link_type=abstract

Advances in Astronomy and Space Physics, Proceedings of the 17th Young Scientists' Conference on Astronomy and Space Physics, he

Physics

Space Physics

Scientific paper

We present the method for study of the characteristics of the supernova remnants using their absorption properties. The background radiation sources are several stars with wide range of distances. Main task is accurate extraction of stellar spectra from observations. For Vela Jr. supernova remnant we found the absence of typical broad absorption in the spectral lines of Ca II doublet. Using modeles of supernovae remnants and data on radiation in ^{44}Ti γ-ray line we estimated the age and the distance to Vela Jr. We showed that a hypernova may be a probable candidate for Vela Jr. protogenitor.

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