Photometric Study of the Southern Open Cluster NGC3532

Details Photometric Study of the Southern Open Cluster NGC3532 Photometric Study of the Southern Open Cluster NGC3532

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26as...39...11f&link_type=abstract

Astronomy and Astrophysics Supplement, Vol. 39, P. 11, 1980

Astronomy and Astrophysics

Astrophysics

29

Scientific paper

UBV photoelectric magnitudes of 183 stars and UBV photographic magnitudes of 517 stars in the region of the southern open cluster NGC 3532 are presented. A distance modulus of 8m.45 ± 0m.27, which corresponds to a distance of 490 pc ± 50 pc, and an age of 2 × 108 years are derived for this cluster. A study of the distribution of the observed stars has also been performed which covers a region of about 1° × 1°. A strong concentration of the brightest stars in the inner region of the cluster is verified. The number of cluster members in the studied region and in the range 7 ≤ V ≤ 13.5 is estimated to be about 670. In correspondence to the stellar masses in that range and allowing for the mass supplied by the fainter members, a minimum total cluster mass of about 2 000 Msun is estimated.

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