Type I supernovae as distance indicators

Details Type I supernovae as distance indicators Type I supernovae as distance indicators

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.157..315i&link_type=abstract

(Instituto de Astrofisica de Canarias and Comision Interministerial de Ciencia y Tecnologia, Summer School on Evolutionary Pheno

Astronomy and Astrophysics

Astrophysics

Astrometry, Stellar Spectrophotometry, Supernovae, Distance, Optical Measurement

Scientific paper

Type I supernovae can be used to determine the distance in three ways: (1) as standard candles; (2) through the Baade-Wesselink method; and (3) through dynamical methods. The first one relies on the remarkable spectrophotometric homogeneity of type I supernovae, the second one on the expansion of a well-defined photosphere, and the third one on the existence of specific theoretical models for SN type I explosions. These methods are critically examined, and the items that deserve closer examination are pointed out.

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