Absolute magnitudes and motions of RR Lyrae stars

Details Absolute magnitudes and motions of RR Lyrae stars Absolute magnitudes and motions of RR Lyrae stars

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975aj.....80..199h&link_type=abstract

Astronomical Journal, vol. 80, Mar. 1975, p. 199-207. Research supported by the University of Virginia and Sterrewacht te Leiden

Astronomy and Astrophysics

Astronomy

54

Cepheid Variables, Parallax, Stellar Luminosity, Stellar Motions, A Stars, Astrometry, Milky Way Galaxy, Radial Velocity, Tables (Data)

Scientific paper

Absolute magnitudes are found by the use of statistical parallax for RR Lyrae stars which have been grouped by period and by metal type. The Bailey c-type stars are treated independently. Solar motion solutions are made using velocity data. Parameters of galactic orbits obtained from space velocities show a relation to period. For the total a-star group the resultant mean light visual absolute magnitude is 0.49 mag, which corresponds to MB of 0.63 mag. Using this figure, the distance to the galactic center is 9.3 kpc.

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