The distance to NGC 5253 and the absolute magnitude at maximum of SN 1972E

Details The distance to NGC 5253 and the absolute magnitude at maximum of SN 1972E The distance to NGC 5253 and the absolute magnitude at maximum of SN 1972E

Apr 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...257l...1d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 257, no. 2, p. L1-L3.

Astronomy and Astrophysics

Astrophysics

7

Astrometry, H Ii Regions, Stellar Magnitude, Supernovae, Astronomical Photometry, Astronomical Spectroscopy, H Beta Line, Irregular Galaxies

Scientific paper

We have determined the distance to NGC 5253 using the relationship between velocity dispersion and the integrated H-beta luminosity for giant HII regions. We find a distance of 4.64 +/- 0.7 Mpc, or a true distance modulus of 28.31 +/- 0.30. This implies an absolute magnitude at maximum of M(B) = -19.90 +/- 0.35 for the extensively studied type Ia supernova SN1972E in NGC5253.

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