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astro-ph1999
The Distance of the Virgo Cluster
G. A. Tammann, A. Sandage, B. Reindl
Six different distance determination methods of Virgo cluster members yield a mean distance modulus of (m-M)^0(Virgo) = 31.60 +/- 0.09 (20.9 +/- 0.9 Mpc). This value can be carried…
astro-ph1999
The Luminosity Function of Globular Clusters as an Extragalactic Distance Indicator
G. A. Tammann, A. Sandage
The absolute magnitude M* of the peak of the globular cluster luminosity function (GCLF), approximated by a Gaussian, can be calibrated independently in the Galaxy and M 31 through…