Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...246..817e&link_type=abstract
Astrophysical Journal, Part 1, vol. 246, June 15, 1981, p. 817-826.
Astronomy and Astrophysics
Astrophysics
23
Binary Stars, Milky Way Galaxy, Open Clusters, Red Giant Stars, Stellar Luminosity, Stellar Spectrophotometry, Abundance, Eclipsing Binary Stars, Metallic Stars, Red Shift, Stellar Evolution, Stellar Models, Stellar Motions
Scientific paper
NGC 3532 is a large cluster in the Carina region of the southern Milky Way. Observations in the modified Stromgren and H beta systems have been obtained for 33 stars. (R,I) photometry for the red stars is listed in a table. The HD and CPD numbers for the 33 stars are also listed together with the numbers assigned by Koelbloed. Attention is given to reddening and luminosity determinations, the red giants in the cluster region, a comparison of computed and cluster luminosities for some of the calibrating stars, and age considerations. It is pointed out that the usefulness of NGC 2287 and 3532 for testing stellar models is increased by the existence of a third, bright cluster of intermediate age, NGC 6475.
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