2006A&A...453...91C

Query : 2006A&A...453...91C

2006A&A...453...91C - Astronomy and Astrophysics, volume 453, 91-99 (2006/7-1)

Photometric and Coravel observations of red giant candidates in three open clusters: membership, binarity, reddening and metallicity.

CLARIA J.J., MERMILLIOD J.-C., PIATTI A.E. and PARISI M.C.

Abstract (from CDS):

We present new CORAVEL radial-velocity observations and photoelectric photometry in the UBV and DDO systems for a sample of potential members of the red-giant branches of NGC6192, NGC6208 and NGC6268, three open clusters projected close to the Galactic center direction. We also examine the properties of a sample of 42 inner disk open clusters projected towards almost the same direction as the three clusters. Cluster members and red field giants were discriminated by using the CORAVEL radial-velocity data and by applying two photometric criteria. Interstellar reddening and metal content of the clusters were derived from combined BV and DDO data. Cluster membership for five red giants in NGC6192, three in NGC6208 and three in NGC6268 has been confirmed by the analysis of the photometric and kinematic data. Photometric membership probabilities show very good agreement with those obtained from CORAVEL radial velocities. Three new spectroscopic binaries were discovered among the red giants of NGC6192 and NGC6208. Mean radial velocities and E(B-V) colour excesses were derived. The overall metallicities were found to be nearly solar for NGC6208 and above solar for NGC6192 and NGC6268. Most of the clusters located closer than 2kpc from the Sun in the considered direction are slightly more reddened than the absorption resulting from the Baade's window absorption law.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: open clusters and associations: general - stars: binaries: spectroscopic - techniques: photometric - techniques: radial velocities - stars: abundances

Nomenclature: Table 2: Cl* NGC 6192 KF NNN (Nos 255, 265, 274) added.

Simbad objects: 84

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Number of rows : 84
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 2324 OpC 07 04 07.9 +01 02 46   8.83 8.4     ~ 159 0
2 Cl Melotte 71 OpC 07 37 31.9 -12 03 54   7.44 7.1     ~ 130 0
3 NAME Car Arm PoG 10 00 -60.0           ~ 439 1
4 Cl Ruprecht 115 OpC 16 12 51.6 -52 23 35           ~ 34 0
5 Cl Pismis 22 OpC 16 14 12.5 -51 52 08           ~ 29 0
6 Cl Ruprecht 116 OpC 16 23.3 -52 00           ~ 20 0
7 Cl Pismis 23 OpC 16 23 58 -48 53.5           ~ 19 0
8 NGC 6115 OpC 16 24 33 -51 55.9   10.29 9.8     ~ 27 0
9 NGC 6124 OpC 16 25 19.7 -40 39 40   6.70 5.8     ~ 76 0
10 NGC 6134 OpC 16 27 48.7 -49 09 40   7.89 7.2     ~ 152 0
11 Cl Ruprecht 119 OpC 16 28 09.4 -51 30 00           ~ 50 0
12 NGC 6152 OpC 16 32 51.1 -52 37 44     8.1     ~ 35 0
13 NGC 6167 OpC 16 34 38.9 -49 45 32   7.58 6.7     ~ 81 0
14 Cl Ruprecht 120 OpC 16 35 10 -48 18.0           ~ 24 0
15 NGC 6178 OpC 16 35 45 -45 38.1           ~ 71 0
16 Cl Lynga 11 OpC 16 38 08 -46 17.7           ~ 18 0
17 Cl* NGC 6192 MMU 255 * 16 39 46.5 -43 19 56   13.542 11.945     K0IV-V 2 0
18 Cl* NGC 6192 MMU 137 ** 16 40 11.4165638760 -43 24 00.783486792   12.981 11.223   9.465 G9III 16 0
19 Cl* NGC 6192 MMU 96 SB* 16 40 16.4599958160 -43 22 37.610042628   12.808 11.306   9.804 G2III 17 0
20 NGC 6192 OpC 16 40 18.5 -43 21 18           ~ 90 0
21 Cl* NGC 6192 MMU 265 * 16 40 18.7 -43 15 28   13.301 11.849     K2IV 2 0
22 CD-43 10987 * 16 40 24.2111991864 -43 20 07.892426724   13.288 11.743   10.197 ~ 17 0
23 NGC 6192 62 * 16 40 25.8805429176 -43 21 34.559661420   12.839 11.207     ~ 9 0
24 NGC 6192 101 * 16 40 35.6842578432 -43 27 22.301754552   12.02 11.36   9.65 K1III 6 0
25 CD-43 10989 * 16 40 37.3476348552 -43 18 42.266032020   12.42 10.54     ~ 4 0
26 CD-43 10991 * 16 40 40.8092588616 -43 22 59.428693452   12.93 11.40   9.92 ~ 16 0
27 NGC 6192 26 * 16 40 45.6276770424 -43 24 07.735093740   12.922 11.588   10.254 K1III 5 0
28 CD-43 10999 * 16 41 08.0694878088 -43 23 33.960893208   11.99 11.03     ~ 3 0
29 NGC 6193 OpC 16 41 16.6 -48 46 37           ~ 158 0
30 NGC 6200 OpC 16 44.1 -47 28   7.74 7.4     ~ 42 0
31 NGC 6204 OpC 16 46 09 -47 01.6   8.51 8.2     ~ 129 0
32 Cl Hogg 22 OpC 16 46 33.6 -47 06 11           ~ 77 0
33 Cl Westerlund 1 Cl* 16 47 02.4 -45 51 07           ~ 565 0
34 NGC 6208 27 * 16 49 16.8228030984 -53 43 14.174221476   12.29 11.09     G5III 8 0
35 NGC 6216 OpC 16 49 20.4 -44 43 16     10.1     ~ 28 0
36 NGC 6208 31 * 16 49 20.5348251192 -53 42 15.684360408   12.77 11.60     ~ 10 0
37 NGC 6208 OpC 16 49 20.6 -53 42 50   8.06 7.2     ~ 80 0
38 NGC 6208 19 * 16 49 25.1093385600 -53 42 48.736022328   11.99 11.22 10.84   K0/K1III/IV 11 0
39 Cl* NGC 6208 MMU 20 ** 16 49 25.2 -53 43 14   13.843 12.449     ~ 2 0
40 NGC 6208 119 * 16 49 27.6494409432 -53 38 16.939543740   14.431 12.616     ~ 2 0
41 NGC 6208 124 * 16 49 33.7568004312 -53 39 31.787681328   13.672 12.309     ~ 2 0
42 HIP 82348 * 16 49 33.9481135320 -53 40 24.298166568   12.96 11.65     K0/K1III 11 0
43 NGC 6208 9 * 16 49 38.80 -53 42 56.0   13.34 12.18     ~ 2 0
44 NGC 6208 133 * 16 49 41.4351477072 -53 38 37.528017180   12.906 11.575     K1/K2III 2 0
45 NGC 6208 166 * 16 49 44.8503261168 -53 45 57.317628024   13.411 12.158     ~ 2 0
46 NGC 6208 150 * 16 50 07.9038456624 -53 43 17.495806656   13.836 12.461     ~ 2 0
47 NGC 6231 OpC 16 54 10.8 -41 48 43           ~ 538 0
48 ESO 332-8 OpC 16 54 43.00 -40 42 30.0           ~ 18 0
49 Cl Lynga 14 OpC 16 55 03 -45 14.3           ~ 43 0
50 NGC 6242 OpC 16 55 30.7 -39 28 26           ~ 89 0
51 Cl VDBH 205 OpC 16 56 12.7 -40 38 10           ~ 34 0
52 Cl Trumpler 24 OpC 16 57 00 -40 40.0     8.6     ~ 72 0
53 NGC 6249 OpC 16 57 47 -44 48.9   8.72 8.2     ~ 54 0
54 NGC 6250 OpC 16 57 59 -45 57.1   6.14 5.9     ~ 83 0
55 NGC 6253 OpC 16 59 06.7 -52 42 43     10.2     ~ 186 0
56 NGC 6259 OpC 17 00 46.8 -44 40 41   8.85 8.0     ~ 80 0
57 NGC 6268 13 * 17 02 03.4518268848 -39 46 10.573318776   11.61 10.34     G9IV-V 4 0
58 CD-39 11017 * 17 02 03.9873980832 -39 39 02.419177572   11.37 10.05     ~ 7 0
59 CD-39 11013A * 17 02 04.1158483320 -39 43 16.275321264   12.025 10.502 10.167   ~ 6 0
60 NGC 6268 OpC 17 02 05.8 -39 43 16           ~ 55 0
61 NGC 6281 OpC 17 04 43.0 -37 56 53           ~ 137 0
62 NGC 6318 OpC 17 16 11 -39 25.4     11.8     ~ 29 1
63 NGC 6322 OpC 17 18 30.0 -42 56 13           ~ 63 0
64 Cl VDBH 222 OpC 17 18 46.6 -38 17 20           ~ 28 0
65 Cl HM 1 OpC 17 19 00 -38 49.0           ~ 49 0
66 IC 4651 OpC 17 24 50.9 -49 55 01           ~ 350 0
67 Cl Ruprecht 125 OpC 17 29 40 -40 27.0           ~ 16 0
68 ESO 139-13 OpC 17 37.7 -58 08           ~ 15 0
69 Cl Harvard 17 OpC 17 41 23.3 -40 09 29     7.5     ~ 33 0
70 Cl Alessi 9 OpC 17 43 53.8 -47 01 41           ~ 45 0
71 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14385 0
72 Cl* NGC 6208 PM 34 ** ~ ~           ~ 2 0
73 NGC 6208 209 * ~ ~   13.219 12.575     ~ 1 0
74 NGC 6208 267 * ~ ~   14.196 12.550     ~ 1 0
75 NGC 6268 22 * ~ ~   12.246 10.811     G9III/IV 1 0
76 NGC 6268 35 * ~ ~   12.034 10.349     ~ 1 0
77 NGC 6268 48 * ~ ~   12.529 11.311     K0/K1IV 1 0
78 NGC 6268 73 * ~ ~   12.654 11.189     K0II-III 1 0
79 NAME Local Group GrG ~ ~           ~ 8378 0
80 NGC 6208 178 ** ~ ~   14.468 13.093     ~ 1 0
81 NGC 6208 165 ** ~ ~   14.544 12.804     ~ 1 0
82 NGC 6208 132 * ~ ~   16.755 14.586     ~ 1 0
83 NGC 6208 127 ** ~ ~   13.766 12.927     ~ 1 0
84 NGC 6208 179 * ~ ~   14.458 12.987     ~ 1 0

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