The method of the galactic rotation distances.

Details The method of the galactic rotation distances. The method of the galactic rotation distances.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..118...59j&link_type=abstract

Astronomy and Astrophysics Supplement, v.118, p.59-64

Astronomy and Astrophysics

Astrophysics

Stars Distances, Methods: Numerical, Methods: Statistical, Stars: Fundamental Parameters

Scientific paper

The method of galactic rotation distances is investigated by means of numerical simulations and found to work properly, even when the dispersion of the absolute magnitudes or the peculiar velocity dispersion are large. We apply the method to a large sample of more than 600 galactic supergiants and bright giants. We derive average mean absolute magnitudes which confirm the average absolute magnitudes found by either Blaauw or Schmidt-Kaler. Our calibration has the advantage to be based upon both a single method and a large number of stars. We show that the method works properly only with large samples.Therefore no subdivisions according to spectral types can be derived. We show further that the method is stable in the sense that small variations in the input parameters produce only small changes in the results.

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