Asymptotic giant branch stars near the sun

Details Asymptotic giant branch stars near the sun Asymptotic giant branch stars near the sun

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104..275e&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 1, July 1992, p. 275-313.

Astronomy and Astrophysics

Astronomy

18

Astronomical Catalogs, Asymptotic Giant Branch Stars, Infrared Photometry, Near Infrared Radiation, Stellar Luminosity, Stellar Spectra, Abundance, Carbon Stars, Globular Clusters, Heavy Elements, Hydrogen, Iron, Late Stars, M Stars, S Stars

Scientific paper

Available red and near-infrared photometry and apparent motions of M, S, and C asymptotic giant branch (AGB) stars in the Bright Star Catalogue are tabulated and discussed. It is shown that the red and near infrared indices normally used for late-type stars are interchangeable except for carbon stars. The M-type giants are variable with visual amplitude greater than 0.05 mag. The reddening-free parameter m2 from Geneva photometry is essentially a temperature parameter for M giants, while the reddening-free parameter d is a sensitive detector of blue stellar companions. The space density of AGB stars near the sun decreases by a factor of 35 in a temperature range 3800 to 3400 K. Two of the S stars near the sun were found to have nearly equal space motions and may be comembers of the Arcturus group.

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