CCD photometry of the old open cluster NGC 7142

Details CCD photometry of the old open cluster NGC 7142 CCD photometry of the old open cluster NGC 7142

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pasp..103..536c&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 103, June 1991, p. 536-545.

Astronomy and Astrophysics

Astronomy

13

Absorption Spectra, Color-Magnitude Diagram, Open Clusters, Variable Stars, Astronomical Photometry, Charge Coupled Devices

Scientific paper

CCD B, V observations of the NGC 7142 field reveal the presence of a single short-period variable star. The color-magnitude diagram of the field shows evidence for small-scale variable absorption across the face of the cluster. The age of NGC 7142 appears to be confirmed as intermediate between that of M 67 and NGC 188, and a new distance modulus is found to be (m - M)0 = 11.4 + or - 0.9.

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