SIMBAD references

2004MNRAS.351.1204V - Mon. Not. R. Astron. Soc., 351, 1204-1214 (2004/July-2)

Red giant branch in near-infrared colour-magnitude diagrams - I. Calibration of photometric indices.

VALENTI E., FERRARO F.R. and ORIGLIA L.

Abstract (from CDS):

We present new high-quality near-infrared photometry of 10 Galactic globular clusters spanning a wide metallicity range (-2.12 ≤[Fe/H]≤- 0.49): five clusters belong to the halo (NGC 288, 362, 6752, M15 and M30) and five (NGC 6342, 6380, 6440, 6441 and 6624) to the bulge. By combining J, H and K observations with optical data, we constructed colour-magnitude diagrams in various planes: (K, J-K), (K, V-K), (H, J-H) and (H, V-H). A set of photometric indices (colours, magnitudes and slopes) describing the location and the morphology of the red giant branch (RGB) have been measured. We have combined this new data set with those collected by our group over the last 5 years, and here we present an updated calibration of the various RGB indices in the Two-Micron All-Sky Survey photometric system, in terms of the cluster metallicity.

Abstract Copyright: 2004 RAS

Journal keyword(s): techniques: photometric - stars: evolution - stars: Population II - infrared: stars

VizieR on-line data: <Available at CDS (J/MNRAS/351/1204): m15.dat m30.dat ngc288.dat ngc362.dat ngc6342.dat ngc6380.dat ngc6440.dat ngc6441.dat ngc6624.dat ngc6752.dat>

Nomenclature: Catalogs: [VFO2004] M 15 NNNN N=2779 among 6365, [VFO2004] M 30 NNNN N=1413 among 3876, [VFO2004] NGC 288 NNN N=522 among 659, [VFO2004] NGC 362 NNNN (Nos 1-2277), [VFO2004] NGC 6342 NNNN N=1468 among 4163, [VFO2004] NGC 6380 NNNN N=2158 among 4272, [VFO2004] NGC 6440 NNNN N=2810 among 4605, [VFO2004] NGC 6441 NNNN N=3684 among 5035, [VFO2004] NGC 6624 NNNN N=2455 among 5510, [VFO2004] NGC 6752 NNNN N=2682 among 4191.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 25

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