2010A&A...517A..32P

Query : 2010A&A...517A..32P

2010A&A...517A..32P - Astronomy and Astrophysics, volume 517A32-32 (2010/7-1)

On the metallicity of open clusters. I. Photometry.

PAUNZEN E., HEITER U., NETOPIL M. and SOUBIRAN C.

Abstract (from CDS):

Metallicity is one of four free parameters typically considered when fitting isochrones to the cluster sequence. Unfortunately, this parameter is often ignored or assumed to be solar in most papers. Hence an unknown bias is introduced in the estimation of the other three cluster parameters (age, reddening and distance). Furthermore, studying the metallicity of open clusters allows us not only to derive the Galactic abundance gradient on a global scale, but also to trace the local solar environment in more detail. In a series of three papers, we investigate the current status of published metallicities for open clusters from widely different photometric and spectroscopic methods. A detailed comparison of the results allows us to establish more reliable photometric calibrations and corrections for isochrone fitting techniques. Well established databases such as WEBDA help us to perform a homogeneous analysis of available measurements for a significant number of open clusters. The literature was searched for [Fe/H] estimates on the basis of photometric calibrations in any available filter system. On the basis of results published by Tadross, we demonstrate the caveats of the calibration choice and its possible impact. In total, we find 406 individual metallicity values for 188 open clusters within 64 publications. The values were, finally, unweightedly averaged. Our final sample includes [Fe/H] values for 188 open clusters. Tracing the solar environment within 4000x4000pc2 we identify a patchy metallicity distribution as an extension to the Local Bubble that significantly influences the estimation of the Galactic metallicity gradient, even on a global scale. In addition, further investigations of more distant open clusters are clearly needed to obtain a more profound picture at Galactocentric distances beyond 10000pc. Only a combination of all available photometric and spectroscopic data will shed more light on how the local and global Galactic properties are correlated with metallicity.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: abundances - open clusters and associations: general - stars: abundances

Simbad objects: 195

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Number of rows : 195
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 Cl Berkeley 58 OpC 00 00 17.4 +60 56 28   10.39 9.7     ~ 72 0
2 Cl Berkeley 1 OpC 00 09 48.8 +60 28 30           ~ 33 0
3 Cl Berkeley 60 OpC 00 17 47.8 +60 56 18           ~ 43 0
4 NGC 103 OpC 00 25 14.6 +61 19 34   10.28 9.8     ~ 87 0
5 Cl Berkeley 2 OpC 00 25 16.4 +60 23 33           ~ 37 0
6 NGC 129 OpC 00 30 25.8 +60 12 44   7.33 6.5     ~ 216 0
7 NGC 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
8 Cl King 2 OpC 00 50 57.3 +58 11 09   21.39 19.78     ~ 71 0
9 IC 1590 OpC 00 52 49.2 +56 37 42           ~ 70 0
10 Cl Berkeley 62 OpC 01 01 13.3 +63 55 31   9.98 9.3     ~ 57 0
11 NGC 366 OpC 01 06 29.9 +62 13 06           ~ 45 0
12 NGC 381 OpC 01 08 23.3 +61 34 39           ~ 76 0
13 NGC 433 OpC 01 15 09.4 +60 07 54           ~ 55 0
14 NGC 436 OpC 01 16 00.1 +58 49 15   8.01 8.8     ~ 80 0
15 NGC 457 OpC 01 19 32.4 +58 16 40   6.97 6.4     ~ 259 2
16 M 103 OpC 01 33 21.1 +60 39 13   7.72 7.4     ~ 212 0
17 Cl Trumpler 1 OpC 01 35 40.1 +61 17 09   8.35 8.1     ~ 108 0
18 NGC 654 OpC 01 44 01.5 +61 53 06   7.34 6.5     ~ 206 0
19 NGC 663 OpC 01 46 22.2 +61 12 53   7.78 7.1     ~ 269 0
20 Cl Berkeley 7 OpC 01 54 11.7 +62 22 03           ~ 49 0
21 NGC 752 OpC 01 56 53.7 +37 45 06           ~ 712 0
22 Cl Stock 2 OpC 02 15 47.8 +59 33 12           ~ 155 0
23 IC 1805 OpC 02 32 52.1 +61 28 36           ~ 542 1
24 NGC 1039 OpC 02 42 09.1 +42 44 02           ~ 467 0
25 NGC 1193 OpC 03 05 56.4 +44 22 58     12.6     ~ 97 0
26 Cl Melotte 20 MGr 03 26 50.6 +48 51 48           ~ 928 0
27 NGC 1342 OpC 03 31 37.4 +37 23 23   7.35 6.7     ~ 133 0
28 IC 348 OpC 03 44 31.1 +32 10 02           ~ 1476 1
29 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
30 Cl King 7 OpC 03 59 08.0 +51 47 11           ~ 74 0
31 NGC 1528 OpC 04 15 27.4 +51 13 21   6.83 6.4     ~ 133 0
32 NGC 1545 OpC 04 20 53.3 +50 11 32   7.2 6.2     ~ 121 0
33 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
34 NGC 1662 OpC 04 48 48.5 +10 52 46   7.0 6.4     ~ 149 0
35 Cl Berkeley 14 OpC 04 59 44.5 +43 29 12           ~ 52 1
36 NGC 1750 OpC 05 03 49.8 +23 40 41           ~ 76 1
37 NGC 1758 OpC 05 04 42.8 +23 48 43           ~ 61 0
38 NGC 1798 OpC 05 11 39.3 +47 41 28           ~ 85 0
39 NGC 1817 OpC 05 12 33.9 +16 41 34           ~ 210 0
40 NGC 1931 OpC 05 31 23 +34 14.0     10.1     ~ 136 0
41 Cl Collinder 74 OpC 05 48 40.9 +07 22 23     14.4     ~ 40 0
42 Cl Berkeley 21 OpC 05 51 44.7 +21 48 36   12.26 11.1     ~ 130 0
43 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
44 NGC 2112 OpC 05 53 47.5 +00 24 18     9.1     ~ 109 0
45 Cl Berkeley 22 OpC 05 58 28.5 +07 45 39           ~ 96 0
46 NGC 2158 OpC 06 07 26.7 +24 05 53           ~ 317 0
47 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
48 NGC 2194 OpC 06 13 44.8 +12 48 48   9.03 8.5     ~ 90 1
49 NGC 2192 OpC 06 15 16.5 +39 50 39     10.9     ~ 52 0
50 NGC 2204 OpC 06 15 31.5 -18 40 28   9.35 8.6     ~ 172 0
51 NGC 2232 OpC 06 27 45.6 -04 44 26           ~ 212 0
52 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
53 NGC 2236 OpC 06 29 40.7 +06 49 56   9.08 8.5     ~ 60 0
54 NGC 2244 OpC 06 32 06.9 +04 54 19           ~ 673 1
55 NGC 2251 OpC 06 34 44.8 +08 21 15   7.69 7.3     ~ 123 0
56 NGC 2264 OpC 06 40 53.7 +09 52 32           ~ 1876 0
57 NGC 2266 OpC 06 43 19.7 +26 58 35     9.5     ~ 82 0
58 M 41 OpC 06 46 03.1 -20 43 07   4.89 4.5     ~ 308 0
59 NGC 2281 OpC 06 48 19.7 +41 02 35   6.05 5.4     ~ 182 0
60 NGC 2301 OpC 06 51 51.0 +00 28 35   6.30 6.0     ~ 173 0
61 Cl Berkeley 28 OpC 06 52 06.1 +02 55 17           ~ 38 0
62 Cl Berkeley 29 OpC 06 53 03.6 +16 55 24   14.3       ~ 187 0
63 Cl Berkeley 31 OpC 06 57 37.5 +08 17 18           ~ 142 0
64 Cl Berkeley 30 OpC 06 57 45.1 +03 13 44           ~ 57 0
65 Cl Berkeley 32 OpC 06 58 06.7 +06 25 53           ~ 164 0
66 Cl Haffner 2 OpC 07 03 06.2 -20 49 07           ~ 146 0
67 NGC 2324 OpC 07 04 08.5 +01 02 50   8.83 8.4     ~ 174 0
68 NGC 2335 OpC 07 06 45.8 -10 01 00   7.76 7.2     ~ 92 0
69 NGC 2343 OpC 07 08 00.0 -10 37 17   7.05 6.7     ~ 91 0
70 NGC 2354 OpC 07 13 59.2 -25 43 40   7.28 6.5     ~ 111 0
71 NGC 2355 OpC 07 16 59.1 +13 46 09     9.7     ~ 127 0
72 NGC 2360 OpC 07 17 45.8 -15 38 21           ~ 213 0
73 Cl Haffner 8 OpC 07 23 05.1 -12 18 42   9.61 9.1     ~ 46 0
74 Cl Collinder 140 OpC 07 23 23.9 -31 58 15           ~ 154 0
75 Cl Ruprecht 18 OpC 07 24 36.3 -26 13 20   9.90 9.4     ~ 57 0
76 Cl Melotte 66 OpC 07 26 19.2 -47 41 14   8.73       ~ 213 0
77 Cl Ruprecht 20 OpC 07 26 43 -28 49.0   10.22 9.5     ~ 23 0
78 NGC 2422 OpC 07 36 35.8 -14 30 15           ~ 275 0
79 NGC 2423 OpC 07 37 11.3 -13 51 45           ~ 175 0
80 Cl Melotte 71 OpC 07 37 31.3 -12 03 42   7.44 7.1     ~ 149 0
81 NGC 2420 OpC 07 38 24.6 +21 34 26   9.0 8.3     ~ 523 0
82 NGC 2437 OpC 07 41 45.4 -14 50 42           ~ 174 0
83 NGC 2451A OpC 07 42 55.4 -38 15 05           ~ 159 0
84 NGC 2447 OpC 07 44 34.6 -23 51 22           ~ 170 1
85 BRAN 66A RNe 07 44 57.8947652376 -25 30 42.178944888   15.41 14.57 14.92 13.47 ~ 29 1
86 Cl Ruprecht 32 OpC 07 45 12 -25 32.3   8.44 8.4     ~ 41 0
87 NGC 2451 Cl* 07 45.4 -37 58           ~ 165 1
88 Cl Berkeley 39 OpC 07 46 48.1 -04 39 59           ~ 209 1
89 NGC 2477 OpC 07 52 11.4 -38 32 47   6.64 5.8     ~ 314 0
90 NGC 2482 OpC 07 55 09.9 -24 16 39   7.71 7.3     ~ 102 0
91 NGC 2489 OpC 07 56 15.7 -30 03 35   8.58 7.9     ~ 83 0
92 NGC 2516 OpC 07 58 00.5 -60 46 36           ~ 793 0
93 NGC 2506 OpC 08 00 02.3 -10 46 22   8.28 7.6     ~ 313 0
94 Cl Ruprecht 46 err 08 02 11 -19 27.9           ~ 33 0
95 Cl Collinder 173 OpC 08 02 49.00 -46 23 00.0           ~ 35 0
96 NGC 2527 OpC 08 05 02.4 -28 07 06   6.81 6.5     ~ 119 0
97 NGC 2547 OpC 08 10 01.5 -49 12 08           ~ 445 0
98 NGC 2539 OpC 08 10 39.1 -12 49 52   7.05 6.5     ~ 164 0
99 NGC 2546 OpC 08 12 39.8 -37 39 34   6.46 6.3     ~ 125 0
100 NGC 2548 OpC 08 13 34.0 -05 43 11           ~ 227 0
101 NGC 2567 OpC 08 18 36.9 -30 38 15   7.77 7.4     ~ 97 0
102 NGC 2571 OpC 08 18 54.3 -29 45 45   7.16 7.0     ~ 85 0
103 Cl Pismis 4 OpC 08 35 09.6 -44 25 26   6.16 5.9     ~ 83 0
104 NGC 2627 OpC 08 37 13.9 -29 57 04     8.4     ~ 74 0
105 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
106 IC 2391 OpC 08 41 17.5 -53 03 00           ~ 871 0
107 NGC 2660 OpC 08 42 40.0 -47 11 59   9.05 8.8     ~ 164 0
108 NGC 2658 OpC 08 43 27.6 -32 39 50     9.2     ~ 55 0
109 NGC 2669 OpC 08 46 29.5 -52 55 05   6.35 6.1     ~ 81 0
110 Cl Trumpler 10 OpC 08 47 46.4 -42 31 52           ~ 203 0
111 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
112 NGC 2818 OpC 09 16 10.8 -36 37 09           ~ 108 1
113 IC 2488 OpC 09 27 28.6 -57 00 45           ~ 75 0
114 NGC 2910 OpC 09 30 34.9 -52 54 43   7.49 7.2     ~ 64 0
115 NGC 2972 OpC 09 40 14.1 -50 19 36   10.72 9.9     ~ 65 0
116 Cl Ruprecht 79 OpC 09 41 04.1 -53 50 33           ~ 89 0
117 NGC 3114 OpC 10 01 55.0 -60 02 16   4.47 4.2     ~ 213 0
118 Cl Trumpler 11 OpC 10 05 00.6 -61 37 08   8.21 8.1     ~ 31 0
119 IC 2602 OpC 10 42 55.9 -64 25 22           ~ 735 0
120 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
121 NGC 3532 OpC 11 05 33.9 -58 42 13           ~ 414 0
122 IC 2714 OpC 11 17 30.9 -62 43 09     8.2     ~ 110 0
123 Cl Melotte 105 OpC 11 19 40.6 -63 29 16   9.05 8.5     ~ 81 0
124 NGC 3680 OpC 11 25 19.8 -43 14 38   8.40 7.6     ~ 340 0
125 NGC 3766 OpC 11 36 13.5 -61 36 42   5.66 5.3     ~ 222 0
126 NGC 3960 OpC 11 50 36.4 -55 40 40   9.07 8.3     ~ 152 0
127 Cl Ruprecht 97 OpC 11 57 27.5 -62 42 26   9.77 9.1     ~ 47 0
128 NGC 4103 OpC 12 06 35.0 -61 14 47     7.4     ~ 104 1
129 Cl Melotte 111 OpC 12 11 54.9 +25 16 36           ~ 520 0
130 NGC 4349 OpC 12 24 14.1 -61 52 11   8.01 7.4     ~ 124 0
131 Cl Collinder 258 OpC 12 27 10.8 -60 46 13   7.39 7.1     ~ 76 1
132 NGC 4609 OpC 12 42 19.2 -62 59 36   7.32 6.9     ~ 96 0
133 NGC 4755 OpC 12 53 39.2 -60 22 07           ~ 300 0
134 NGC 4815 OpC 12 58 00.8 -64 57 36   9.61 8.6     ~ 110 0
135 Cl Loden 807 OpC 13 24 38 -62 29.7           ~ 30 0
136 NGC 5138 OpC 13 27 19.3 -59 01 23           ~ 65 0
137 Cl Collinder 272 OpC 13 30 19.1 -61 18 59   8.25 7.7     ~ 70 0
138 NGC 5168 OpC 13 31 08.7 -60 56 45   9.55 9.1     ~ 60 0
139 NGC 5281 OpC 13 46 25.8 -62 55 00   6.15 5.9     ~ 92 0
140 NGC 5288 OpC 13 48 48.2 -64 40 43     11.8     ~ 29 0
141 NGC 5316 OpC 13 54 02.6 -61 53 05   6.08 6.0     ~ 109 0
142 NGC 5606 OpC 14 27 49.7 -59 37 45           ~ 109 0
143 NGC 5617 OpC 14 29 46.5 -60 43 02           ~ 108 0
144 NGC 5662 OpC 14 34 55.5 -56 40 41   6.18 5.5     ~ 136 0
145 NGC 5822 OpC 15 04 08.3 -54 21 52           ~ 238 0
146 Cl Pismis 20 OpC 15 15 23.5 -59 04 23   8.69 7.8     ~ 103 0
147 NGC 6025 OpC 16 03 09.4 -60 26 59           ~ 117 0
148 NGC 6067 OpC 16 13 10.2 -54 13 48           ~ 239 0
149 NGC 6087 OpC 16 18 55.7 -57 53 32           ~ 198 0
150 NGC 6134 OpC 16 27 48.5 -49 09 40   7.89 7.2     ~ 166 0
151 NGC 6192 OpC 16 40 18.7 -43 21 16           ~ 99 0
152 NGC 6204 OpC 16 46 09.1 -47 01 29   8.51 8.2     ~ 139 0
153 NGC 6208 OpC 16 49 20.5 -53 43 27   8.06 7.2     ~ 94 0
154 NGC 6231 OpC 16 54 14.4 -41 48 53           ~ 562 0
155 NGC 6259 OpC 17 00 47.5 -44 40 54   8.85 8.0     ~ 92 0
156 NGC 6281 OpC 17 04 44.6 -37 57 08           ~ 156 0
157 IC 4651 OpC 17 24 48.5 -49 55 23           ~ 374 0
158 NGC 6405 OpC 17 40 14.5 -32 14 16           ~ 235 0
159 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
160 IC 4665 OpC 17 46 04.0 +05 36 54           ~ 407 0
161 NGC 6425 OpC 17 46 55.2 -31 29 57   7.90 7.2     ~ 75 0
162 NGC 6451 OpC 17 50 41.5 -30 12 50     8.2     ~ 63 0
163 NGC 6475 OpC 17 53 44.1 -34 49 36           ~ 413 0
164 M 23 OpC 17 56 56.2 -18 58 21           ~ 144 0
165 NGC 6520 OpC 18 03 25.4 -27 53 09     7.6     ~ 72 0
166 M 16 OpC 18 18 45.1 -13 47 31           ~ 1084 1
167 NGC 6633 OpC 18 27 30.2 +06 38 21           ~ 423 0
168 IC 4725 OpC 18 31 47.5 -19 07 37           ~ 239 0
169 NGC 6649 OpC 18 33 26.2 -10 23 54   10.35 8.9     ~ 154 0
170 IC 4756 OpC 18 38 39.0 +05 26 14           ~ 274 0
171 Cl Berkeley 79 OpC 18 44 59.4 -01 08 52           ~ 31 0
172 NGC 6705 OpC 18 51 03.7 -06 16 18   6.32 5.8     ~ 442 0
173 NGC 6716 OpC 18 53 54.4 -19 57 44   7.70 7.5     ~ 85 0
174 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 178 0
175 NGC 6755 OpC 19 07 44.5 +04 13 46   8.60 7.5     ~ 91 0
176 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
177 NGC 6823 OpC 19 43 11.3 +23 18 32   7.71 7.1     ~ 279 2
178 NGC 6871 OpC 20 06 07.9 +35 46 45   5.43 5.2     ~ 237 0
179 IC 1311 OpC 20 10 47.5 +41 10 36     13.1     ~ 59 0
180 IC 4996 OpC 20 16 32.7 +37 38 46           ~ 187 0
181 Cl Berkeley 86 OpC 20 20 20.6 +38 42 15           ~ 130 0
182 M 29 OpC 20 23 42.9 +38 29 25   7.30 6.6     ~ 256 0
183 NGC 6940 OpC 20 34 28.4 +28 17 07           ~ 215 0
184 NGC 7044 OpC 21 13 09.6 +42 29 39     12.0     ~ 72 0
185 NGC 7082 OpC 21 28 45.5 +47 06 13   7.70 7.2     ~ 65 0
186 NGC 7092 OpC 21 31 04.0 +48 17 47           ~ 245 0
187 NGC 7209 OpC 22 04 50.7 +46 30 11   8.24 7.7     ~ 144 0
188 NGC 7235 OpC 22 12 20.5 +57 16 13   8.58 7.7     ~ 119 0
189 NGC 7380 OpC 22 47 23.4 +58 06 55           ~ 198 0
190 NGC 7419 OpC 22 54 19.0 +60 48 50     13.0     ~ 113 0
191 Cl King 10 OpC 22 55 00.6 +59 10 07           ~ 50 0
192 Cl King 11 OpC 23 47 38.4 +68 38 15   16.7       ~ 73 0
193 NGC 7789 OpC 23 57 19.4 +56 43 28   7.68 6.7     ~ 575 0
194 NGC 7790 OpC 23 58 27.6 +61 12 33   9.18 8.5     ~ 286 0
195 NAME Local Bubble ISM ~ ~           ~ 1059 0

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