Late-type stars found in the DFBS

Details Late-type stars found in the DFBS Late-type stars found in the DFBS

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap.....53..123g&link_type=abstract

Astrophysics, Volume 53, Issue 1, pp.123-132

Astronomy and Astrophysics

Astrophysics

1

Stars, Surveys, Stellar Content, Carbon Stars

Scientific paper

A list of comparatively faint late M and Carbon type stars detected on the Digitized First Byurakan Survey (DFBS) spectral plates in the zone with +45° ≤ δ ≤ +49° covering 684 deg2 is presented. Accurate DSS2 positions, USNO-B1.0 B and R magnitudes, 2MASS near-infrared J, H, and Ks photometry, IRAS PSC/FSC fluxes (when available), approximate spectral types, and luminosity class estimates are given for 72 objects. Nine of them are newly confirmed carbon stars and 63 are M-type stars. For seven Mira variables with known pulsation periods we determined distances of 2 ÷ 8 kpc using a period-luminosity relation. Distances of 17 ÷ 115 pc for five M dwarfs, classified on the base of detected proper motions, were estimated using a color-luminosity relation. The object FBS 0845+466 is classified as a candidate carbon dwarf with distance r ≈ 72 pc.

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