SIMBAD references

2000A&AS..144....5R - Astron. Astrophys., Suppl. Ser., 144, 5-38 (2000/May-2)

Photometric catalog of nearby globular clusters. I. A large homogeneous (V,I) color-magnitude diagram data-base.


Abstract (from CDS):

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 ∼0.02 mag 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.

Abstract Copyright:

Journal keyword(s): astronomical data base: miscellaneous - catalogs - stars: Hertzsprung-Russel (HR) - stars: population II - globular clusters: general

VizieR on-line data: <Available at CDS (J/A+AS/144/5): table3.dat table4.dat table5.dat>

CDS comments: PG standard stars not in SIMBAD (incomplete format).

Simbad objects: 67

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