New M-Type Variables in Galactic Dark Clouds

Details New M-Type Variables in Galactic Dark Clouds New M-Type Variables in Galactic Dark Clouds

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap.....46...10m&link_type=abstract

Astrophysics (English translation of Astrofizika), v. 46, Issue 1, p. 10-17 (2003).

Astronomy and Astrophysics

Astrophysics

Stars - Stars Variables Long Period

Scientific paper

The results of the spectral classification of newly discovered M-type variables obtained as part of an H-alpha survey of Galactic dark cloud regions are presented. The survey was carried out with the 40 Schmidt camera of Byurakan Observatory, and the spectra of the variable stars for the classification were obtained with the Observatory's 2.6-m telescope. The observational material allowed register of late M-type variables as well as their brightness variations. Among the 97 newly discovered M-type stars, 22 show brightness variations. The results of the spectral classification of these new variables show that 21 out of 22 are red giants, and in all probability they are Mira Ceti type long period variables.

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