SAO stars with infrared excess in the IRAS Point Source Catalog

Details SAO stars with infrared excess in the IRAS Point Source Catalog SAO stars with infrared excess in the IRAS Point Source Catalog

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...96..625o&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 96, no. 3, p. 625-643.

Astronomy and Astrophysics

Astronomy

151

Astronomical Catalogs, Color-Color Diagram, Infrared Astronomy Satellite, Infrared Stars, Point Sources, Stellar Envelopes, Asymptotic Giant Branch Stars, B Stars, Binary Stars, Pre-Main Sequence Stars, Stellar Evolution

Scientific paper

We have undertaken a search for SAO stars with infrared excess in the IRAS Point Source Catalog. In contrast to previous searches, the entire IRAS (12)-(25)-(60) color-color diagram was used. This selection yielded a sample of 462 stars, of which a significant number are stars with circumstellar material. The stars selected can be identified as pre-main-sequence stars, Be stars, protoplanetary systems, post-AGB stars, etc. A number of objects are (visual) binary stars. Characteristic temperatures and IR excesses are calculated and their relations to spectral type are investigated.

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