Investigation of the stellar population of the Orion cluster - Southern vicinity of the cloud L 1642

Details Investigation of the stellar population of the Orion cluster - Southern vicinity of the cloud L 1642 Investigation of the stellar population of the Orion cluster - Southern vicinity of the cloud L 1642

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992azh....69..986s&link_type=abstract

Astronomicheskij Zhurnal (ISSN 0004-6299), vol. 69, no. 5, p. 986-1001.

Astronomy and Astrophysics

Astronomy

4

Astronomical Catalogs, Orion Nebula, Star Clusters, Star Distribution, Stellar Spectrophotometry, Dark Matter, Ubv Spectra

Scientific paper

A catalog of photoelectric UBVR1-prime photometry for 199 stars between 7 and 15 m V in the southern vicinity of the Orion cluster is presented. Forty-one possible cluster members, including 12 variables and IR sources as well as nine stars of early spectral classes from B5 to A5, are identified. Intermediate- and late-type stars up to +7 m M(V) that are close to the Main Sequence are also probable cluster members. Two-color diagrams and the H-R diagram do not exhibit any essential differences from the same diagrams in the central zone and close vicinities of the cluster.

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