Near infrared photometry of stellar maser sources

Details Near infrared photometry of stellar maser sources Near infrared photometry of stellar maser sources

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985acasn..26..235z&link_type=abstract

(Acta Astronomica Sinica, vol. 26, no. 3, 1985, p. 235-242) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 10, March

Astronomy and Astrophysics

Astrophysics

Infrared Photometry, Infrared Stars, Interstellar Masers, M Stars, Variable Stars, Black Body Radiation, Color-Color Diagram, Infrared Absorption, Mira Variables, Stellar Color, Stellar Envelopes, Stellar Mass Ejection, Supergiant Stars

Scientific paper

Attention is given to IR photometry results for the J, H, and K bands of 24 stellar maser sources. Nearly all Mira variable masers are noted to be closer to the black body line on the color-color diagram than the normal M giants, which also have brighter H magnitudes; the primary reason for this lies in the strong H2O absorption bands at 1.4 and 1.9 microns. The fact that maser-associated Mira variables have longer periods and redder colors than normal Mira stars and M giants suggests a greater amount of mass ejection from the central stars.

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