BV and rg photometry of Pal 13 (Borissova+ 1997)

Details BV and rg photometry of Pal 13 (Borissova+ 1997) BV and rg photometry of Pal 13 (Borissova+ 1997)

Jun 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat..41210499b&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/121/499. Originally published in: 1997A&AS..121..499B

Computer Science

Photometry: Ccd, Clusters: Globular

Scientific paper

A new CCD photometry of the halo cluster Palomar 13 is used to construct a color-magnitude diagram in the Thuan-Gunn and the B, V photometric systems. The color-magnitude diagram of the cluster shows as already noted by Ortolani et al. (1985AJ.....90..473O) an extremely poor red horizontal branch and a very sparsely populated giant branch. Seven BSS candidates are identified in the field of Palomar 13. The age of the cluster determined by fitting with the isochrones of Proffitt & Vanden Berg (1991ApJS...77..473P) and Bergbusch & Vanden Berg (1992ApJS...81..163B) and by a differential comparison of the color-magnitude diagram with that of Pal 5 is 12+/-2Gyr. (2 data files).

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