Supernova studies. III - The calibration of the absolute magnitude of supernovae of type IA

Details Supernova studies. III - The calibration of the absolute magnitude of supernovae of type IA Supernova studies. III - The calibration of the absolute magnitude of supernovae of type IA

Apr 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...230...81l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 230, no. 1, April 1990, p. 81-86. Research supported by SNSF.

Astronomy and Astrophysics

Astrophysics

61

Stellar Luminosity, Stellar Magnitude, Supernovae, Calibrating, Distance, Supernova Remnants, Virgo Galactic Cluster

Scientific paper

The distance of the Virgo cluster, the most reliable milestone of the extragalactic distance scale, is used to calibrate the peak luminosity of supernovae of type Ia which have been observed in the cluster. Mean absolute magnitudes of MB(max) = -19.79 + or - 0.12 and M(bol) = -19.9, corresponding to 2.8 x 10 to the 43rd erg/s, have been derived. The luminosity, which shows only small scatter between individual SNe Ia, is in perfect agreement with a variety of different determinations.

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