Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ap.....41..356g&link_type=abstract
Astrophysics, Volume 41, Issue 4, pp.356-366
Astronomy and Astrophysics
Astrophysics
5
Sky Surveys: Stellar Classification, Sky Surveys: Late-Type Stars, Sky Surveys: Star Catalogues
Scientific paper
A 10th list of late-type M and C stars found on plates of the First Byurakan Spectral Sky Survey in the - 11° ≤ δ ≤ - 7° belt with an area of about 1070 deg2 is given. The list contains data on 169 red stars, 117 of which were found for the first time: 8 are new C stars, 3 are Cstar candidates, 104 are M stars, 1 is either an M or an S star, and 1 object on the survey plate cannot be classified. Of the 117 objects, 47 are unidentified IRAS sources. A statistical analysis of the objects that are and are not identified with IRAS sources shows that the identified stars are, with a high probability, brighter and have relatively more massive envelopes. Two stars were found to have fairly large brightness variability (with an amplitude of at least 6m.O). Gasdust shells are assumed to exist around nine of the IRAS sources. The equatorial coordinates, spectral types, and stellar magnitudes, determined on Palomar E maps, are given for the selected objects.
Azzopardi Marc
Gigoyan Kamo S.
Hambaryan Valeri V.
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