A Search for S-Stars in the IRC and AFGL Catalogues

Details A Search for S-Stars in the IRC and AFGL Catalogues A Search for S-Stars in the IRC and AFGL Catalogues

Oct 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..79..435b&link_type=abstract

Astrophysics and Space Science, Volume 79, Issue 2, pp.435-441

Astronomy and Astrophysics

Astrophysics

Scientific paper

Seventeen unidentified sources contained in the 2μ IR Catalogue, and AFGL-AFGLS Catalogues have been tentatively indicated as S stars from a comparison with the General Catalogue of S stars. An analysis based on the I-K and K-[4.2μ] behavior has been performed for all the sources which have been found to be in common with all the above mentioned catalogues. The results lead to the conclusion that the presence of circumstellar shells seems to be very unlike for these objects in spite of their evolutionary status which is intermediate between M and C type stars.

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