Abstract
I would like to talk about two questions which are of importance in connection with the use of supernovae as distance indicators. First — what is the dispersion among the absolute magnitudes of type I supernovae at maximum light, and second — what is the mean magnitude difference between type I and type II? Both of these problems were studied by Kowal in 1968; he found a dispersion of 0 m. 6 for type I (and for type II) and a mean magnitude difference of 2 m. 1, type II being fainter than type I.
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© 1974 D. Reidel Publishing Company, Dordrecht-Holland
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Branch, D. (1974). Supernovae and Extragalactic Distances. In: Cosmovici, C.B. (eds) Supernovae and Supernova Remnants. Astrophysics and Space Science Library, vol 45. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-2166-1_24
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DOI: https://doi.org/10.1007/978-94-010-2166-1_24
Publisher Name: Springer, Dordrecht
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