Observations of novae in the Virgo cluster

Details Observations of novae in the Virgo cluster Observations of novae in the Virgo cluster

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...318..507p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 318, July 15, 1987, p. 507-519. NSERC-supported research.

Mathematics

Logic

85

Light Curve, Novae, Virgo Galactic Cluster, Cosmology, Red Shift, Star Distribution, Stellar Magnitude

Scientific paper

During 15 nights of observations in 1986 March and April the authors have detected nine novae in Virgo cluster elliptical galaxies. From six novae with reasonably well-observed light curves it is found that the distance modulus of the Virgo cluster is 6.8±0.4 (estimated error) larger than that of M31. Using a distance modulus of 24.65±0.15 for M31 then gives a Virgo cluster distance of D = 19.5±3.9 Mpc. With a cosmological redshift of 1336±54 km s-1 for the Virgo cluster this yields a value H0 = 69±14 km s-1 Mpc-1 for the Hubble parameter.

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