Preliminary BV photometry of the anticenter cluster Be 19

Details Preliminary BV photometry of the anticenter cluster Be 19 Preliminary BV photometry of the anticenter cluster Be 19

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..700c&link_type=abstract

Astronomical Journal, vol. 85, June 1980, p. 700-707.

Astronomy and Astrophysics

Astronomy

10

Electrophotometry, Galactic Clusters, Galactic Nuclei, Stellar Spectrophotometry, Astronomical Photography, Color-Magnitude Diagram, Galactic Evolution, Galactic Structure, Interstellar Extinction, Open Clusters, Stellar Magnitude, Tables (Data)

Scientific paper

Preliminary BV photometry of the faint anticenter cluster Be 19 indicates the object is a relatively old, but poorly populated open cluster. Comparison of the color-magnitude diagram of Be 19 with both the color-magnitude diagram of NGC 752 (Johnson, 1952) and theoretical isochrones by Ciardullo and Demarque (1979) suggests the age of the cluster is approximately 3 billion yr. Estimates of the reddening and distance modulus, although dependent upon photometric errors, insufficient membership criteria, and a lack of information on the cluster metallicity, indicate Be 19 has an E(B - V) = 0.4 + or - 0.1 mag and a distance modulus of 13.5 + or - 0.5 mag.

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