Nearby globular clusters photometric catalog (Rosenberg+, 2000)

Details Nearby globular clusters photometric catalog (Rosenberg+, 2000) Nearby globular clusters photometric catalog (Rosenberg+, 2000)

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ycat..41440005r&link_type=abstract

VizieR On-line Data Catalog: J/A+AS/144/5. Originally published in: 2000A&AS..144....5R

Computer Science

Clusters: Globular, Photometry: Ubvri, Radial Velocities, Abundances: [Fe/H]

Scientific paper

We present the first part of the first large and homogeneous CCD color-magnitude diagram (CMD) data base, comprising 52 nearby Galactic globular clusters (GGC) imaged in the V and I bands using only two telescopes (one for each hemisphere). The observed clusters represent 75% of the known Galactic globulars with (m-M)V<=16.15mag, cover most of the globular cluster metallicity range (-2.2<=[Fe/H]<=-0.4), and span Galactocentric distances from ~1.2 to ~18.5kpc. In this paper, the CMDs for the 39 GGCs observed in the southern hemisphere are presented. The remaining 13 northern hemisphere clusters of the catalog are presented in a companion paper. For four clusters (NGC 4833, NGC 5986, NGC 6543, and NGC 6638) we present for the first time a CMD from CCD data. The typical CMD span from the 22nd V magnitude to the tip of the red giant branch. Based on a large number of standard stars, the absolute photometric calibration is reliable to the ~0.02mag level in both filters. This catalog, because of its homogeneity, is expected to represent a useful data base for the measurement of the main absolute and relative parameters characterizing the CMD of GGCs. (3 data files).

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