Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.127..327k&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 127, no. 2, Nov. 1986, p. 327-342.
Astronomy and Astrophysics
Astrophysics
3
Astronomical Photometry, Color-Magnitude Diagram, Star Clusters, Stellar Color, Classifying, Color-Color Diagram, Galactic Structure, Spiral Galaxies, Star Formation, Stellar Luminosity
Scientific paper
The 2 m RCC telescope of the Rozhen National Observatory (Bulgaria) was used to obtain the color-magnitude and color-color diagrams of OB110 and OB112 associations which form the largest star grouping in thhe southern region of M33. The stars wth V and U less than about 20.4 and B less than about 21 were measured. The V magnitude, the colors B-V, U-B, and the respective identification charts are given. These data were utilized to construct thhe luminosity function of OB110 + OB112. The group has an integrated magnitude M(VT) = -11.8 which is by 0.5 mag fainter than OB78 (M31). The mean absorption and the foreground were examined as well.
Kunchev P. Z.
Nikolov N. S.
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