Stellar distances of Mira variables derived from near-infrared photometry parameters

Details Stellar distances of Mira variables derived from near-infrared photometry parameters Stellar distances of Mira variables derived from near-infrared photometry parameters

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89.1343c&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 89, Sept. 1984, p. 1343-1349. Research supported by the Pontificia Universidad Catol

Astronomy and Astrophysics

Astronomy

13

Astrometry, Distance, Infrared Photometry, M Stars, Mira Variables, Near Infrared Radiation, Stellar Spectrophotometry, Variable Stars, Galactic Structure, Milky Way Galaxy, Stellar Color, Stellar Magnitude

Scientific paper

The visual absolute magnitude of red variable stars Me spectra depends on the color indices (V-R)0 and (R-I)0 with the relationship MV = 1.90(V-R)0-4.67 and MV = 0.27(R-I)03-2.87, with a σ(MV) = 0.4 in both cases. The final expression is MV = 0.95(V-R)0+0.135(R-I)03-3.77. The color indices-absolute magnitude relation is applicable in different points of light curves for individual stars to obtain their distances with an error of 20%. The interstellar absorption aV, the distance modulus, and the distances of 40 Mira variables were estimated.

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