Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....106.1005d&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 106, no. 3, p. 1005-1023.
Astronomy and Astrophysics
Astronomy
8
B Stars, Color-Magnitude Diagram, Magellanic Clouds, O Stars, Stellar Luminosity, Interstellar Extinction, Star Clusters, Star Formation, Stellar Spectra, Stellar Spectrophotometry, Ubv Spectra
Scientific paper
Using the point spread function photometry program DAOPHOT, we have used UBV CCD photometry to construct color-magnitude diagrams and luminosity functions for three OB associations in the Large Magellanic Cloud. The region LH 76 appears to be completely coeval; the region LH 13 shows some evidence for noncoevality which will need to be checked with spectra of the stars in question. The region LH 105, which lies on the southern edge of 30 Doradus, shows significant contamination by an underlying older population, possibly from previous star forming events. The luminosity functions, which serve as the first step toward determining the initial mass function in these regions, are calculated.
DeGioia-Eastwood Kathleen
Jones Phil D.
Meyers R. P.
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