2004MNRAS.351.1204V

Query : 2004MNRAS.351.1204V

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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Number of rows : 25
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
3 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
4 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
5 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
6 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
7 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
8 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
9 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
10 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
11 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
12 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
13 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 310 0
14 NGC 6380 GlC 17 34 28.00 -39 04 09.0           ~ 175 0
15 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
16 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
17 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
18 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
19 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
20 NGC 6640 GiG 18 28 08.3009630472 +34 18 09.545260248   14.2       ~ 33 0
21 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 492 0
22 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
23 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
24 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
25 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0

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