2007A&A...470..919M

Query : 2007A&A...470..919M

2007A&A...470..919M - Astronomy and Astrophysics, volume 470, 919-926 (2007/8-2)

Red giants in open clusters. XII. Six old open clusters NGC 2112, 2204, 2243, 2420, 2506, 2682.

MERMILLIOD J.-C. and MAYOR M.

Abstract (from CDS):

We studied the membership and binarity of 123 red giants in six old open clusters, NGC 2112, 2204, 2243, 2420, 2506 and 2682, to define more precisely the evolutionary path on the red-giant branch. The analysis is based on 185 radial-velocity observations with the Coravel spectrographs and available photometric data. The membership of 93 red giants was confirmed on the basis of the radial velocities. Seven definitive spectroscopic binaries were identified and 11 additional stars are suspected of being binaries. The binary frequency (19%) is slightly lower than average. This is partly due to the small number of observations secured for each star. Orbital elements have been determined for the first time for the BaII star NGC 2420-173 (D) and those of the other BaII star NGC 2420-250 (X) have been improved. The values of the cluster mean velocities have been significantly improved. With the new membership estimates and binary detections, the existing CCD data allow precise definition of the red-giant loci. A number of stars in NGC 2506, 2420 and 2204 appear to define an asymptotic branch, the position of which differs significantly from that predicted by the models.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: open clusters and association: general - stars: binaries: spectroscopic - techniques: radial velocities - stars: late-type

CDS comments: In reflist Cannon et al. 1970MNRAS.150.27C is a misprint for Cannon et al. 1970MNRAS.150.279C

Simbad objects: 150

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Number of rows : 150
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 BD+00 1204 * 05 53 31.4574425280 +00 27 19.049033340 14.91 12.29 10.04     M1 7 0
2 NGC 2112 216 * 05 53 33.7072935696 +00 17 43.572367680 16.51 15.05 13.39   11.435 ~ 8 0
3 NGC 2112 204 * 05 53 47.5357962456 +00 22 01.923777372 15.337 13.491 11.724   9.663 ~ 15 0
4 NGC 2112 OpC 05 53 48.5 +00 24 11     9.1     ~ 91 0
5 NGC 2112 401 SB* 05 53 50.5491587016 +00 24 51.116634324 14.98 13.81 12.30     ~ 11 0
6 NGC 2112 402 SB* 05 53 53.2973805552 +00 24 37.738509876 14.09 12.53 11.11 11.16   ~ 19 0
7 NGC 2112 318 * 05 54 04.9662303960 +00 16 21.995110668 15.92 14.91 13.42     ~ 6 0
8 NGC 2112 317 * 05 54 12.3467372784 +00 17 53.046106404 16.58 13.94 11.79     ~ 6 0
9 NGC 2112 316 * 05 54 21.0448636488 +00 19 48.370224612 17.22 14.45 12.34     ~ 15 0
10 NGC 2204 4303 * 06 15 03.8727024936 -18 41 07.666377180   14.859 13.897     ~ 13 0
11 NGC 2204 4211 * 06 15 13.6037663520 -18 41 49.840588824   14.662 13.678     ~ 14 0
12 NGC 2204 4210 SB* 06 15 18.8401771608 -18 42 13.799441268   14.802 13.821     ~ 6 0
13 NGC 2204 4319 * 06 15 19.4731641120 -18 45 03.244834332   14.227 13.167     ~ 5 0
14 NGC 2204 1212 * 06 15 20.2069000656 -18 37 58.100279088   14.90 13.93     ~ 15 0
15 NGC 2204 1320 * 06 15 21.4239363336 -18 35 51.340169436   13.744 12.607     K0III 17 0
16 NGC 2204 4212 * 06 15 23.6890863096 -18 42 41.600483136   13.367 12.392     G9III 6 0
17 NGC 2204 1329 * 06 15 25.3590937056 -18 33 44.453544084   12.66 11.49     K1.5III 8 0
18 NGC 2204 1330 * 06 15 26.7221526192 -18 33 25.870510656   14.801 13.764     K0.5IV 13 0
19 NGC 2204 4119 * 06 15 27.3086055696 -18 40 45.842550096   14.692 13.691     ~ 10 0
20 NGC 2204 4116 * 06 15 27.5412528288 -18 40 14.192028048   14.988 13.927     ~ 12 0
21 NGC 2204 4115 * 06 15 27.9432266688 -18 40 33.975488388   15.171 14.151     ~ 11 0
22 NGC 2204 1124 * 06 15 28.9653857664 -18 39 09.946978308   14.834 13.835     ~ 11 0
23 AP J06152951-1837312 LP? 06 15 29.5134361992 -18 37 31.342317240   14.641 12.887     M3.5III 15 0
24 NGC 2204 1133 * 06 15 30.4362463632 -18 38 24.042990912   14.854 13.749     G8III 16 0
25 NGC 2204 4137 * 06 15 31.4037478800 -18 42 56.430322488   12.80 11.97     K4.5III 19 0
26 NGC 2204 OpC 06 15 31.7 -18 40 12   9.35 8.6     ~ 153 0
27 NGC 2204 1129 SB* 06 15 31.9217095776 -18 39 37.054743012   13.924 12.682     K1.5II-III 16 0
28 NGC 2204 4103 * 06 15 31.9509541728 -18 40 24.998789712   14.892 13.906     ~ 5 0
29 NGC 2204 2333 * 06 15 32.8472330520 -18 34 07.959312768   14.787 13.861     ~ 4 0
30 NGC 2204 4223 * 06 15 32.9250360696 -18 43 11.848337652   14.922 13.892     ~ 12 0
31 CSS 205 S* 06 15 33.1571329992 -18 42 16.611462108   13.28 11.38     M3S 13 0
32 NGC 2204 3145 * 06 15 33.2608874592 -18 41 06.977030784   14.145 13.195     ~ 5 0
33 NGC 2204 2136 * 06 15 33.9319735176 -18 37 21.720113292   14.287 13.122     ~ 14 0
34 NGC 2204 3325 * 06 15 36.6640851696 -18 46 52.748599224   13.254 11.563     ~ 25 0
35 NGC 2204 2229 * 06 15 36.9611874480 -18 36 09.173687436   14.847 13.833     ~ 14 0
36 NGC 2204 2120 * 06 15 38.1498880800 -18 38 57.706655028   12.95 11.66     K2.5III 11 0
37 NGC 2204 3324 * 06 15 40.3868464944 -18 46 37.074766296   14.130 12.830     ~ 17 0
38 NGC 2204 3323 * 06 15 40.6684989456 -18 45 44.336313972   13.828 13.106     ~ 2 0
39 NGC 2204 3215 * 06 15 45.3692743656 -18 43 35.105645532   14.72 13.72     ~ 16 0
40 NGC 2204 3205 * 06 15 46.0136856144 -18 40 44.120122320   14.893 13.911     ~ 14 0
41 NGC 2204 2211 MS* 06 15 46.9403821680 -18 37 55.394626296   13.922 13.043     ~ 11 0
42 NGC 2204 3207 * 06 15 51.1195493568 -18 42 09.372940272   13.819 12.739     G9III 6 0
43 NGC 2204 3304 * 06 15 58.1699187768 -18 40 26.478105924   13.70 12.28     K3III 15 0
44 NGC 2204 2311 * 06 16 02.1194242824 -18 38 46.792249404   14.73 13.643     ~ 14 0
45 NGC 2243 4209 RG* 06 29 28.4201565696 -31 17 17.367663408   13.361 11.981     ~ 42 0
46 CD-31 3350 * 06 29 30.0012716712 -31 16 15.917536524   12.90 11.779     ~ 14 0
47 NGC 2243 4110 RG* 06 29 30.1005420096 -31 16 58.634963112   13.984 12.887     ~ 54 0
48 NGC 2243 OpC 06 29 34.8 -31 16 55   10.12 9.4     ~ 269 0
49 NGC 2420 6 HB* 07 37 45.1740515088 +21 40 54.414109956   14.1 13.09     ~ 12 0
50 NGC 2420 34 HB* 07 38 05.4496821253 +21 36 50.648264792   14.06 13.06 12.839 12.08 ~ 39 0
51 NGC 2420 41 HB* 07 38 06.2754346858 +21 36 54.237719158   13.64 12.60   11.59 ~ 48 0
52 NGC 2420 66 * 07 38 13.1719252679 +21 31 52.476903233   15.42 14.57     ~ 18 0
53 NGC 2420 68 * 07 38 13.6720737120 +21 36 37.089206388   14.70 14.09     ~ 19 0
54 2MASS J07381507+2134589 RG* 07 38 15.0652987296 +21 34 59.011027824   12.18 11.29   9.66 ~ 30 0
55 NGC 2420 76 HB* 07 38 15.4937703184 +21 38 01.569291022   13.64 12.65     ~ 48 0
56 NGC 2420 91 HB* 07 38 18.2291730779 +21 32 06.169481725   13.58 12.61     ~ 27 0
57 NGC 2420 102 * 07 38 20.0233955232 +21 27 52.249104864   14.69 13.315     ~ 5 0
58 2MASS J07382114+2131418 RG* 07 38 21.1466862102 +21 31 41.786770314   13.52 12.61     ~ 31 0
59 NGC 2420 114 HB* 07 38 21.4888598640 +21 35 05.074213488   14.107 13.103   12.10 ~ 37 0
60 NGC 2420 115 * 07 38 21.6698378256 +21 33 51.361329780   12.69 11.56     G5Ib 35 0
61 NGC 2420 118 HB* 07 38 21.9577406424 +21 35 50.876510928   13.609 12.613     ~ 38 0
62 NGC 2420 119 HB* 07 38 22.0843753368 +21 36 43.311306456   13.524 12.541     ~ 29 0
63 NGC 2420 126 * 07 38 22.8600918360 +21 34 06.957542532   14.617 13.63     ~ 13 0
64 NGC 2420 131 HB* 07 38 23.4802614393 +21 24 44.798532261   14.13 13.160     ~ 27 0
65 NGC 2420 136 ** 07 38 23.847672 +21 32 13.41024   14.27 13.38 13.688   ~ 4 0
66 NGC 2420 140 * 07 38 24.1871894808 +21 32 54.014234424   12.75 11.51   10.26 G8III 44 0
67 NGC 2420 OpC 07 38 24.5 +21 34 30   9.0 8.3     ~ 475 0
68 NGC 2420 169 HB* 07 38 26.7101182656 +21 28 51.449187072   13.425 12.425     ~ 27 0
69 NGC 2420 173 SB* 07 38 26.9655810288 +21 33 31.300526016   12.66 11.76     ~ 39 0
70 NGC 2420 174 HB* 07 38 26.9672108701 +21 38 24.461993019   13.63 12.40     ~ 48 0
71 NGC 2420 176 EB* 07 38 27.2479232759 +21 33 16.574040047   14.50 13.34     ~ 22 0
72 NGC 2420 188 * 07 38 29.3556172104 +21 32 37.528665936   14.421 13.478   12.54 ~ 21 0
73 NGC 2420 189 HB* 07 38 29.3979766896 +21 28 46.806003984   12.07 11.12     G5II 19 0
74 NGC 2420 192 HB* 07 38 29.8488327733 +21 34 50.880400048   13.95 12.94   11.91 ~ 39 0
75 NGC 2420 212 * 07 38 33.611 +21 30 33.88   14.092 13.242     ~ 6 0
76 NGC 2420 221 * 07 38 34.2477562920 +21 23 26.074523256   12.89 11.89 11.65   ~ 3 0
77 Cl* NGC 2420 MMU 221 * 07 38 34.5024469512 +21 24 08.738521236   15.92 15.03     ~ 10 0
78 NGC 2420 236 HB* 07 38 37.6108404744 +21 34 11.886867840   13.59 12.59     ~ 43 0
79 NGC 2420 250 SB* 07 38 42.2650409472 +21 31 02.056791144   13.39 11.14 11.20   C-R 35 0
80 NGC 2420 255 HB* 07 38 43.6733404488 +21 39 55.663856100   13.015 12.030     ~ 15 0
81 NGC 2420 262 * 07 38 49.5792538776 +21 41 26.043339660   13.800 12.90     ~ 8 0
82 2MASS J07385992+2132060 RG* 07 38 59.9237892222 +21 32 06.021301610   14.56 13.560     ~ 17 0
83 2MASS J07390789+2133056 RG* 07 39 07.8993056544 +21 33 05.673590316   13.98 12.96     ~ 13 0
84 NGC 2506 3392 * 07 59 48.1170029400 -10 47 15.202481280   14.03 13.12     ~ 10 0
85 NGC 2506 3265 RB? 07 59 50.9042316168 -10 46 40.395584928   14.23 13.2     ~ 13 0
86 NGC 2506 4205 RB? 07 59 51.3652730952 -10 46 16.972101876   14.201 13.245     ~ 11 0
87 NGC 2506 3359 RB? 07 59 51.9010420704 -10 48 45.212790924   14.185 13.203     ~ 14 0
88 NGC 2506 4240 RB? 07 59 52.6694086080 -10 44 49.707324420   14.12 13.1     ~ 13 0
89 NGC 2506 3324 RB? 07 59 53.7280384344 -10 50 44.708184132   14.25 13.270     ~ 10 0
90 NGC 2506 3255 RB? 07 59 54.8623234128 -10 46 45.534870696   13.92 13.079     ~ 13 0
91 NGC 2506 3254 * 07 59 54.9267810480 -10 47 03.140116476   12.54 11.12   11.91 ~ 9 0
92 NGC 2506 3231 RB? 07 59 55.8704447448 -10 48 21.427837056   14.08 13.1     ~ 21 0
93 NGC 2506 4401 * 07 59 57 -10 41.1   12.50 11.86     ~ 3 0
94 NGC 2506 3316 * 07 59 57.2309267904 -10 50 09.834173484   12.29 10.78     ~ 3 0
95 NGC 2506 4128 * 07 59 58.3246793880 -10 45 23.276758896   13.90 13.02     ~ 9 0
96 NGC 2506 4376 RB? 07 59 58.8519556704 -10 41 17.177236728   14.05 13.040     ~ 10 0
97 NGC 2506 4143 * 07 59 59.6760106752 -10 45 21.489719364   14.211 13.284     ~ 7 0
98 NGC 2506 4138 RB? 08 00 01.4929687104 -10 45 38.537927820   14.22 13.299     ~ 15 0
99 NGC 2506 3204 RB? 08 00 01.9125514224 -10 48 59.108579208   13.56 12.7     ~ 12 0
100 NGC 2506 OpC 08 00 02.4 -10 46 23   8.28 7.6     ~ 276 0
101 NGC 2506 1112 RB? 08 00 03.2951809560 -10 45 44.083664748   13.93 13.0     ~ 15 0
102 NGC 2506 2401 * 08 00 05.4095256744 -10 50 07.408133772   12.68 11.09     ~ 12 0
103 NGC 2506 2251 RB? 08 00 05.5971072576 -10 47 36.718464192   14.165 13.231     ~ 8 0
104 NGC 2506 2122 RB? 08 00 05.8769494704 -10 47 13.588541196   12.86 11.7   12.10 ~ 21 0
105 NGC 2506 1320 RB? 08 00 06.3494209920 -10 42 11.964901320   14.15 13.21     ~ 9 0
106 NGC 2506 2101 * 08 00 06.7690644168 -10 46 08.060017404   12.817 11.927   9.66 ~ 4 0
107 NGC 2506 2109 RB? 08 00 07.0703142144 -10 46 44.344965036   14.042 13.160     ~ 9 0
108 NGC 2506 1229 * 08 00 07.4183658216 -10 44 26.562429744   14.132 13.161     ~ 10 0
109 NGC 2506 1325 RB? 08 00 07.6089190992 -10 41 47.347759824   14.12 13.170     ~ 8 0
110 NGC 2506 2212 RB? 08 00 08.6771437008 -10 46 37.388330616   13.02 11.9   10.26 ~ 20 0
111 NGC 2506 2380 RB? 08 00 09.2712255480 -10 49 07.633106328   14.117 13.164     ~ 11 0
112 NGC 2506 2255 * 08 00 09.4452626784 -10 48 11.410764156   13.48 12.680 13.571   ~ 7 0
113 NGC 2506 2375 RB? 08 00 11.4988991952 -10 50 18.891964680   14.6 13.59     ~ 11 0
114 NGC 2506 1343 * 08 00 11.69 -10 42 15.9   14.11 13.25     ~ 3 0
115 NGC 2506 2364 RB? 08 00 12.2660288784 -10 48 45.218433168   13.93 13.040     ~ 14 0
116 NGC 2506 2309 RB? 08 00 16.4113706208 -10 46 11.061612048   14.06 13.070     ~ 12 0
117 NGC 2506 1359 RB? 08 00 17.6320654344 -10 43 31.729861416   14.31 13.31     ~ 8 0
118 NGC 2506 2329 RB? 08 00 17.9489703240 -10 47 04.355901636   14.11 13.15     ~ 9 0
119 BD+12 1917 V* 08 49 56.8183190424 +11 41 32.987890788   11.2 9.782   8.540 K3III 64 1
120 BD+12 1919 V* 08 50 12.3013655424 +11 51 24.497893908   10.395 9.098 8.842   K5 69 0
121 BD+12 1920 HB* 08 50 18.2738243760 +11 55 21.204725232   10.994 9.909   8.890 ~ 40 0
122 BD+12 1921 RB? 08 50 21.0990835800 +12 21 11.689176636   11.83 10.464     ~ 24 0
123 Cl* NGC 2682 SAND 721 HB* 08 50 49.6386842857 +11 35 08.946388097   11.76 11.178 10.972 10.170 K1III 55 0
124 NGC 2682 84 HB* 08 51 12.6931158192 +11 52 42.446745336   11.629 10.393 10.234 9.500 K1III 134 0
125 NGC 2682 104 RG* 08 51 17.0400668664 +11 50 46.501856052   12.114 11.001 10.863 10.12 K0III/IV 84 0
126 NGC 2682 105 RG* 08 51 17.0998188072 +11 48 16.173832932   11.554 10.316 9.942 9.07 K2III 146 0
127 NGC 2682 108 RG* 08 51 17.4855757728 +11 45 22.707921744   11.064 9.603 9.370 8.36 ~ 142 1
128 BD+12 1924 * 08 51 20.0988475776 +12 18 10.429733196 12.58 10.786 9.324 9.113   K2 52 0
129 NGC 2682 135 RG* 08 51 21.5640702312 +11 46 06.216394188   12.53 11.394   10.39 K1III 110 0
130 NGC 2682 136 SB* 08 51 21.7535381400 +11 52 37.872333372   11.92 11.235   10.595 F8V 77 0
131 NGC 2682 141 HB* 08 51 22.8036640800 +11 48 01.779545736   11.570 10.346 10.180 9.40 ~ 148 0
132 NGC 2682 OpC 08 51 23.0 +11 48 50           ~ 2341 0
133 NGC 2682 143 MS* 08 51 23.7746734704 +11 49 49.338989364   12.39 11.420   10.61 G4III 94 0
134 NGC 2682 151 RG* 08 51 26.1833544456 +11 53 51.981683748   11.58 10.391     K1III 111 0
135 NGC 2682 164 RG* 08 51 28.9910274072 +11 50 33.127331784   11.675 10.441 10.250 9.46 K1III 143 0
136 BD+12 1926 RG* 08 51 29.9058258360 +11 47 16.870629444   11.004 9.555 9.360 8.36 K3III 146 0
137 NGC 2682 224 RG* 08 51 43.5490441608 +11 44 26.477313396   11.894 10.686 10.460 9.660 K1III 103 0
138 NGC 2682 223 RG* 08 51 43.8874792752 +11 56 42.528745068   11.658 10.476   9.500 K1III 102 0
139 NGC 2682 244 RG* 08 51 50.2026472872 +11 46 06.919342284   11.72 10.700   9.820 G8III 93 0
140 NGC 2682 266 RG* 08 51 59.5227693496 +11 55 04.835590251   11.65 10.463   9.490 ~ 100 0
141 BD+12 1928 RB? 08 52 02.6251882992 +12 25 54.209737488   11.181 9.993     K0 24 0
142 Cl* NGC 2682 ES II-152 RG* 08 52 10.9715389335 +11 31 49.232248887   12.051 10.911   9.790 G5 69 0
143 BD+11 1933 RG* 08 52 16.5567418104 +11 19 38.229045852   11.341 10.115     ~ 52 0
144 NGC 2682 286 RG* 08 52 18.5744408733 +11 44 26.374152806   11.541 10.382   9.430 K0III 85 0
145 NGC 6819 886 RG* 19 40 55.5993547848 +40 06 29.233228968   13.38 12.36   10.99 ~ 35 0
146 KOI-6494 RG* 19 41 11.0264553173 +40 11 11.674109278   12.78 11.63   10.51 G6V 34 0
147 Cl* NGC 6819 P 7 RG* 19 41 11.1553233501 +40 11 42.298423537   12.92 11.58   10.29 ~ 36 0
148 UCAC2 45858535 V* 19 41 17.6074174920 +40 10 41.973236184   13.00 11.38   8.154 ~ 9 0
149 NGC 2112 418 * ~ ~           ~ 1 0
150 NGC 2112 416 * ~ ~   13.68 12.65     ~ 6 0

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