A photometric analysis of the Cepheus OB3 region

Details A photometric analysis of the Cepheus OB3 region A photometric analysis of the Cepheus OB3 region

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...94..519j&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 94, no. 3, Sept. 1992, p. 519-525. Research supported by CIC

Astronomy and Astrophysics

Astrophysics

7

Early Stars, Stellar Color, Stellar Evolution, Stellar Magnitude, Stellar Spectrophotometry, Ubv Spectra, Binary Stars, Color-Magnitude Diagram, Spatial Distribution

Scientific paper

Results are presented on Stromgren-Crawford uvby-beta photometry carried out at Calar Alto (Spain) for 45 stars in the Cepheus OB3 region covering an apparent area of 6 deg x 6 deg. The relationship of these stars with the association is examined. Three of these stars (BD +62 deg 2114, BD +62 deg 2152, and BD +62 deg 2156) are identified as members of this association, while two more (BD +64 deg 1714 and BD +64 deg 1717) are classified as possible members. It is noted that intrinsic colors and absolute magnitudes of member stars are consistent with the hypothesis of Blaauw (1964) and Garmany (1973) of the existence of two subgroups with different evolutionary phases.

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