A Search for the Cygnus X-3 Infra-Red Candidate at One Micron

An attempt to observe the recently discovered infra-red candidate for Cygnus X-3 at one micron has yielded the limit I > 16.3. For a typical O9 star, this implies AV > 17.1, probably excluding membership of Cygnus X-3 in the Cyg OB2 association.

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 1973-01, Vol.161 (1), p.15P-17P
Main Authors: Gaustad, John E., Margon, Bruce, Weaver, H.
Format: Article
Language:English
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Summary:An attempt to observe the recently discovered infra-red candidate for Cygnus X-3 at one micron has yielded the limit I > 16.3. For a typical O9 star, this implies AV > 17.1, probably excluding membership of Cygnus X-3 in the Cyg OB2 association.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/161.1.15P