A catalog of blue and red supergiants in M33

Details A catalog of blue and red supergiants in M33 A catalog of blue and red supergiants in M33

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apjs...89...85i&link_type=abstract

The Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 89, no. 1, p. 85-122

Astronomy and Astrophysics

Astrophysics

39

Astronomical Catalogs, Blue Stars, Red Giant Stars, Star Distribution, Star Formation, Charge Coupled Devices, Photometry, Stellar Luminosity, Stellar Magnitude, Telescopes

Scientific paper

We present a catalog of blue and red stars in M33 based on photographic photometry of over 65,000 objects extracted from plates taken with the 3.6 m Canada-France-Hawaii Telescope (CFHT) and the 2.0 m Rozhen (Bulgarian) Telescope. The completeness limit of the various surveys are estimated here to be V = 19.5 mag for those stars situated in crowded associations, and V = 20.0 mag for stars in the interarm fields. We list magnitudes and positions for 2112 blue stars, defined by (U - V) less than 0.0 mag, (U - B) less than 0.0 mag, and V less than 19.5 mag, and 389 red stars defined by (B - V) greater than 1.8 mag and V less than 19.5 mag. Of these, 1156 are candidate O stars on the basis of (U - V) less than -0.9 mag.

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