Possible local variation of the Hubble constant in van den Bergh's calibration of Sc-type galaxies

Details Possible local variation of the Hubble constant in van den Bergh's calibration of Sc-type galaxies Possible local variation of the Hubble constant in van den Bergh's calibration of Sc-type galaxies

Oct 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975natur.257..773l&link_type=abstract

Nature, vol. 257, Oct. 30, 1975, p. 773, 774.

Astronomy and Astrophysics

Astronomy

5

Big Bang Cosmology, Galactic Evolution, Hubble Diagram, Spiral Galaxies, Astronomical Models, Calibrating, Luminous Intensity, Red Shift

Scientific paper

Sandage and Tammann (1974, 1975) have concluded that the universe is expanding in a remarkably uniform and isotropic way with a low Hubble constant value, which is evidently based on a recalibration of the absolute magnitudes of various luminosity classes of Sc-type galaxies. Some consequences of Sandage and Tammann's specific choice of absolute magnitudes are discussed. The values are compared with the calibration of van den Bergh (1960).

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