The studies of proper motions in the regions of open clusters. II - NGC 752

Details The studies of proper motions in the regions of open clusters. II - NGC 752 The studies of proper motions in the regions of open clusters. II - NGC 752

Jan 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...87...69p&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 87, no. 1, Jan. 1991, p. 69-87.

Astronomy and Astrophysics

Astrophysics

20

Open Clusters, Stellar Luminosity, Stellar Motions, Astrometry, Astronomical Catalogs, Color-Magnitude Diagram, Statistical Distributions

Scientific paper

Relative proper motions of 1777 stars in the region of the open cluster NGC 752 have been determined from the PDS measurements of eleven Pulkovo normal astrograph plates. In a 110-arcmin-diameter circle around the cluster, 175 stars have membership probabilities P greater than 0 percent. The total number of cluster stars, obtained by weighting them with membership probabilities, reaches 130. The catalog of proper motions is complete down to m(pg) = 150 mag, the limiting value is 154 mag. The average standard error of the catalog proper motions varies from + or - 000075 arcsec/yr to + or - 00011 arcsec/yr for the rest. The luminosity function for cluster stars shows a deficiency of faint stars.

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