2007A&A...463..559V

Query : 2007A&A...463..559V

2007A&A...463..559V - Astronomy and Astrophysics, volume 463559-565 (2007/2-4)

K-band magnitude of the red clump as a distance indicator.

VAN HELSHOECHT V. and GROENEWEGEN M.A.T.

Abstract (from CDS):

We have investigated how the K-band magnitude of the red clump [MK(RC)] depends on age and metallicity, using 2MASS infrared data for a sample of 24 open clusters with known distances. We show that a constant value of MK(RC)=-1.57±0.05 is a reasonable assumption to use in distance determinations for clusters with metallicity between -0.5 and +0.4dex and age between 108.5 and 109.9 years.

Abstract Copyright: ∼

Journal keyword(s): open clusters and associations: general - stars: horizontal-branch - stars: distances

Simbad objects: 32

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Number of rows : 32
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 47 GiG 00 14 30.6262089120 -07 10 02.807512896   13.4   12.48 13.0 ~ 38 0
2 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NGC 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
6 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
7 NGC 752 OpC 01 56 53.7 +37 45 06           ~ 712 0
8 NGC 1817 OpC 05 12 33.9 +16 41 34           ~ 210 0
9 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
10 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
11 NGC 2204 OpC 06 15 31.5 -18 40 28   9.35 8.6     ~ 172 0
12 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
13 Cl Haffner 2 OpC 07 03 06.2 -20 49 07           ~ 146 0
14 NGC 2360 OpC 07 17 45.8 -15 38 21           ~ 213 0
15 Cl Melotte 66 OpC 07 26 19.2 -47 41 14   8.73       ~ 213 0
16 NGC 2420 OpC 07 38 24.6 +21 34 26   9.0 8.3     ~ 523 0
17 Cl Berkeley 39 OpC 07 46 48.1 -04 39 59           ~ 209 1
18 NGC 2477 OpC 07 52 11.4 -38 32 47   6.64 5.8     ~ 314 0
19 NGC 2506 OpC 08 00 02.3 -10 46 22   8.28 7.6     ~ 313 0
20 NGC 2527 OpC 08 05 02.4 -28 07 06   6.81 6.5     ~ 119 0
21 NGC 2539 OpC 08 10 39.1 -12 49 52   7.05 6.5     ~ 164 0
22 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
23 NGC 3680 OpC 11 25 19.8 -43 14 38   8.40 7.6     ~ 340 0
24 NGC 3960 OpC 11 50 36.4 -55 40 40   9.07 8.3     ~ 152 0
25 NGC 5822 OpC 15 04 08.3 -54 21 52           ~ 238 0
26 NGC 6134 OpC 16 27 48.5 -49 09 40   7.89 7.2     ~ 166 0
27 IC 4651 OpC 17 24 48.5 -49 55 23           ~ 374 0
28 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3
29 NGC 6633 OpC 18 27 30.2 +06 38 21           ~ 423 0
30 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
31 NGC 6819 OpC 19 41 18.3 +40 11 19   8.21 7.3     ~ 719 0
32 NGC 7789 OpC 23 57 19.4 +56 43 28   7.68 6.7     ~ 575 0

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