The cosmic distance scale - Methods for determining the distance to supernovae

Details The cosmic distance scale - Methods for determining the distance to supernovae The cosmic distance scale - Methods for determining the distance to supernovae

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...254....1a&link_type=abstract

Astrophysical Journal, Part 1, vol. 254, Mar. 1, 1982, p. 1-7.

Astronomy and Astrophysics

Astrophysics

18

Cosmology, Distance, Galactic Clusters, Stellar Luminosity, Supernovae, Elliptical Galaxies, Kinematics, Light Curve, Spatial Distribution, Stellar Motions, Virgo Galactic Cluster

Scientific paper

It is established by an analysis of alternative methods for the determination of absolute distances to supernovae that there exists a kinematic method, superior to that of Baade (1926), which is illustrated for the case of the Type I supernova 1975a in NGC 2207. In addition, a dynamical method is developed which employs the recently-discovered analytic solutions for Type I supernovae. The requirement that the paradigm invoked in the present study be able to reproduce both fast and slow light curves has implied a dispersion in intrinsic brightness, whose size is approximately that observed in the Virgo and Coma clusters.

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