BVI photometry of stars in Berkeley 18 (Kaluzny 1997)

Details BVI photometry of stars in Berkeley 18 (Kaluzny 1997) BVI photometry of stars in Berkeley 18 (Kaluzny 1997)

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41210455k&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/121/455. Originally published in: 1997A&AS..121..455K

Other

Photometry: Ccd, Clusters: Open

Scientific paper

We present CCD BVI photometry for Berkeley 18, a rich open cluster located in the Galactic anticenter. The cluster age is similar to, or marginally lower than age of M 67. Its distance is estimated at 5.8kpc and the reddening E(B-V) is probably higher than 0.46. Our data indicate that Be 18 is one of the most populous objects in the whole sample of known galactic open clusters. The angular diameter of the cluster is estimated at 26arcmin, which corresponds to a linear size of about 44pc. The horizontal branch of Be 18 exhibits a large width in comparison with other old open clusters. (3 data files).

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