The bolometric, infrared and visual absolute magnitudes of Mira variables

Details The bolometric, infrared and visual absolute magnitudes of Mira variables The bolometric, infrared and visual absolute magnitudes of Mira variables

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.196..111r&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 196, July 1981, p. 111-120.

Astronomy and Astrophysics

Astronomy

82

Bolometers, Infrared Astronomy, Mira Variables, Stellar Magnitude, Variable Stars, Hydroxyl Emission, Stellar Parallax

Scientific paper

Statistical parallaxes, as well as stars with individually known distances are used to drive bolometric and infrared absolute magnitudes of Mira (Me) variables. The derived bolometric magnitudes are in the mean about 0.75 mag fainter than recent estimates. The problem of determining the pulsation constant is discussed. Miras with periods greater than 150 days probably pulsate in the first overtone. Those of shorter periods are anomalous and may be fundamental pulsators. It is shown that the absolute visual magnitudes at mean light of Miras with individually determined distances are consistent with values derived by Clayton & Feast from statistical parallaxes.

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