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J/A+A/474/121 Galactic globular cluster 2MASS GC02 JKs phot. (Borissova+, 2007)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
table1.dat phot.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/A+A/474/121
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Beginning of ReadMe :J/A+A/474/121 Galactic globular cluster 2MASS GC02 JKs phot. (Borissova+, 2007)
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A deep near-infrared view of the Galactic globular cluster 2MASS GC02.
Borissova J., Ivanov V.D., Stephens A.W., Catelan M., Minniti M., Prieto G.
<Astron. Astrophys. 474, 121 (2007)>
=2007A&A...474..121B
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ADC_Keywords: Clusters, globular ; Photometry, infrared
Keywords: Galaxy: globular clusters: general - Galaxy: abundances -
Galaxy: globular clusters: individual: 2MASS GC01, 2MASS GC02
Galaxy: globular clusters: individual: NGC 6388, NGC 6441
Abstract:
We have obtained deep infrared images and K-band spectra of the
Galactic globular cluster 2MASS GC02. A variable star search has
also been carried out. Some basic physical properties of the cluster,
such as metallicity, reddening, distance modulus and radial velocity,
are derived. These measurements are based on an analysis of the J-Ks
versus Ks color-magnitude diagram of the cluster. Spectroscopically
derived metallicities and radial velocities of 15 stars are presented.
In addition, periods and amplitudes are provided for five RR Lyrae
stars discovered in the field. The cluster is moderately metal-rich
and has a relatively high radial velocity. Its horizontal branch
appears to be predominantly red, though our photometry cannot rule out
the presence of a blue component as seen in NGC 6388 and NGC 6441.
Similar to these two clusters, the detected RR Lyrae stars in GC02
have anomalously long periods for the cluster's moderately high
metallicity, which suggests that it too is an Oosterhoff type III
cluster. Comparison with the existing kinematic and abundance
information for the Galactic globular clusters shows that GC02 most
probably belongs to the bulge sub population, although an inner halo
association cannot be ruled out.
Objects:
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RA (2000) DE Designation(s)
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18 09 36 -20 46.7 [HJK2000] GC02 = 2MASS GC02
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