L-D dependence for supernova remnants and its connection with the Σ-D relation

Details L-D dependence for supernova remnants and its connection with the Σ-D relation L-D dependence for supernova remnants and its connection with the Σ-D relation

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mnras.350..346a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 350, Issue 2, pp. 346-350.

Astronomy and Astrophysics

Astronomy

17

Methods: Statistical, Supernova Remnants, Galaxies: Individual: M82, Radio Continuum: Ism

Scientific paper

We discuss the L-D correlation (possible dependence of radio luminosity on linear diameter) for supernova remnants (SNRs) in order to see whether the Σ-D relation actually exists and whether determination of SNR distances on the basis of the Σ-D relation is possible. We do not find any significant correlation, except for the M82 starburst galaxy for which a good Σ-D relation does exist. Finally, we suggest that a similar relation might exist for Galactic SNRs associated with large molecular clouds, indicating once again that the density of the SNR environment is probably the crucial parameter in SNR evolution.

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