Blue and red supergiants in M33 (Ivanov+ 1993)

Details Blue and red supergiants in M33 (Ivanov+ 1993) Blue and red supergiants in M33 (Ivanov+ 1993)

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..20890085i&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/89/85. Originally published in: 1993ApJS...89...85I

Computer Science

Photometry: Ubv, Stars: Blue, Stars: Supergiant

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 3.6m Canada-France-Hawaii Telescope (CFHT) and the 2.0m Rozhen (Bulgarian) Telescope. The completeness limit of the various surveys are estimated here to be V=19.5mag for those stars situated in crowed associations, and V=20.0mag for stars in the interarm fields. We list magnitudes and positions for 2112 blue stars, defined by (U-V)<0.0mag, and V<19.5mag, and 389 red stars defined by (B-V)>1.8mag and V<19.5mag. Of these, 1156 are candidate O stars on the basis of (U-V)<-0.9mag. (6 data files).

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