CCD photometry of the distant young open cluster NGC 7510

Details CCD photometry of the distant young open cluster NGC 7510 CCD photometry of the distant young open cluster NGC 7510

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.250..683s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 250, June 15, 1991, p. 683-691. Research supported by D

Astronomy and Astrophysics

Astronomy

11

Astronomical Photometry, Charge Coupled Devices, Open Clusters, Color-Color Diagram, Color-Magnitude Diagram

Scientific paper

CCD observations in B, V, and I passbands have been used to generate deep V, (B-V), and V,(V-I) color-magnitude diagrams for the open cluster NGC 7510. The sample consists of 592 stars reaching down to V = 21 mag. There appears to be nonuniform extinction over the face of the cluster with the value of color excess, E(B-V), ranging from 1.0 to 1.3 mag. The law of interstellar extinction in the direction of the cluster is found to be normal. A broad main sequence is clearly visible in both color-magnitude diagrams. From the bluest part of the color-magnitude diagrams, the true distance modulus to the cluster has been estimated as 12.5 = or - 0.3 mag and an upper limit of 10 Myr has been assigned for the cluster age.

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