Membership of M39

Details Membership of M39 Membership of M39

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26as...30...45m&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 30, Oct. 1977, p. 45-62. Deutsche Forschungsgemeinschaft

Astronomy and Astrophysics

Astrophysics

13

Star Clusters, Star Distribution, Stellar Motions, A Stars, B Stars, Binary Stars, Normal Density Functions, Populations, Refractometers, Stellar Luminosity

Scientific paper

Proper motions are presented for 1710 stars in the vicinity of M39. Only
30 of these stars are suggested to be cluster members. The cluster is
unusual both for its sparseness and its lack of a faint stellar
population. The cluster distance is redetermined and found to be 265 pc,
and its age is estimated as 780 million years.

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