Are supernovae round? II - Spectropolarimetry of SN 1983g in NGC 4753

Details Are supernovae round? II - Spectropolarimetry of SN 1983g in NGC 4753 Are supernovae round? II - Spectropolarimetry of SN 1983g in NGC 4753

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.210..839m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 210, Oct. 15, 1984, p. 839-843. Research supported by t

Astronomy and Astrophysics

Astronomy

20

Polarimetry, Stellar Structure, Supernovae, Line Spectra, Polarization Characteristics, Stellar Atmospheres, Stellar Mass Ejection, Visible Spectrum

Scientific paper

Spectropolarimetric data have been obtained near maximum light for the Type I supernova SN 1983g in NGC 4753. No change in polarization through the P Cygni lines is observed, indicating that the apparent axis ratio of the expanding atmosphere was greater than 0.5. The Baade method would overestimate the distance by at most a factor of 1.4 if spherical symmetry were assumed.

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