J/MNRAS/351/1204 IR Photometry of 10 Galactic Globular Clusters (Valenti+, 2004)
Red giant branch in the near-infrared colour-magnitude diagrams.
I: Calibration of photometric indices.
Valenti E., Ferraro F.R., Origlia L.
<Mon. Not. R. Astron. Soc. 351, 1204 (2004)>
=2004MNRAS.351.1204V 2004MNRAS.351.1204V
ADC_Keywords: Clusters, globular ; Photometry, infrared
Keywords: stars: evolution - stars: C-M - infrared: stars -
stars: Population II - Globular Clusters: individual: NGC288, NGC362,
NGC6752, M15, M30, NGC6342, NGC6380, NGC6440, NGC6441, NGC6624 -
techniques: photometry
Description:
The IR catalogs of the observed clusters are based on ground-based
observations using the near-IR camera IRAC2@ESO/MPI 2.2m equipped
with a NICMOS-3 256x256 array detector. By using two different
magnifications: 0.28"/pix and 0.51"/pix a total FoV of 4'x4' has
been covered. The instrumental magnitudes have been calibrated into
the 2MASS photometric system and astrometrically corrected by using
2MASS catalogs, with an accuracy of <0.2arcsec.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
m15.dat 71 2779 M15 IR catalog
m30.dat 71 1413 M30 IR catalog
ngc288.dat 72 522 NGC 288 IR catalog
ngc362.dat 71 2277 NGC 362 IR catalog
ngc6342.dat 71 1468 NGC 6342 IR catalog
ngc6380.dat 71 2158 NGC 6380 IR catalog
ngc6440.dat 71 2810 NGC 6440 IR catalog
ngc6441.dat 71 3684 NGC 6441 IR catalog
ngc6624.dat 71 2455 NGC 6624 IR catalog
ngc6752.dat 71 2682 NGC 6752 IR catalog
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See also:
VII/103 : Galactic Globular Clusters (Monella 1985)
VII/202 : Globular Clusters in the Milky Way (Harris, 1997)
J/AJ/110/2844 : JHK photometry of NGC 6440 and NGC 6624 (Kuchinski+ 1995)
Byte-by-byte Description of file: m*.dat ngc*.dat
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Bytes Format Units Label Explanations
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1- 4 I4 --- Seq Sequential number in the cluster
8- 13 F6.3 mag Jmag ?=0 IRAC2/J magnitude
17- 22 F6.3 mag Hmag ?=0 IRAC2/H magnitude
26- 31 F6.3 mag Kmag ?=0 IRAC2/K magnitude
40- 51 F12.8 deg RAdeg Right Ascension J2000, Epoch 1989.0 (degrees)
60- 71 F12.8 deg DEdeg Declination J2000, Epoch 1989.0 (degrees)
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Acknowledgements: Elena Valenti
(End) Elena Valenti [Univ. Bologna], Patricia Vannier [CDS] 05-Apr-2004