2002A&A...388..158L

Query : 2002A&A...388..158L

2002A&A...388..158L - Astronomy and Astrophysics, volume 388158-167 (2002/6-2)

Integrated photometric characteristics of galactic open star clusters.

LATA S., PANDEY A.K., SAGAR R. and MOHAN V.

Abstract (from CDS):

Integrated UBVRI photometric parameters of 140 galactic open clusters have been computed. Integrated I(V-R)0 and I(V-I)0 colours as well as integrated parameters for 71 star clusters have been obtained for the first time. These, in combination with published data, altogether 352 objects, are used to study the integrated photometric characteristics of the galactic open clusters. The I(MV) values range from -9.0 to -1.0mag corresponding to a range in total mass of the star clusters from ∼25 to 4x104M☉. The integrated colours have a relatively narrow range, e.g., I(B-V)0 varies from -0.4 to 1.2mag. The scatter in integrated colours at a given integrated magnitude can be understood in terms of differences in fraction of red giants/supergiants in the clusters. The observed integrated magnitudes and colours agree with the synthetic ones, except the dependences of I(V-R)0 and I(V-I)0 colours for clusters younger than ∼100Myrs and also of the integrated magnitudes of oldest clusters. The large sample provides the most accurate age dependence of integrated magnitudes and colours determined so far. The luminosity function of the I(MV) has a peak around -3.5mag and its slope indicates that only ∼1% of the open clusters in the galactic disc are brighter than I(MV)=-11mag. No variation has been found of integrated magnitude with galactocentric distance and metallicity.

Abstract Copyright: ∼

Journal keyword(s): galaxies - open clusters - integrated photometry - star formation

Simbad objects: 144

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Number of rows : 144
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 2 OpC 00 25 16.4 +60 23 33           ~ 37 0
3 NGC 129 OpC 00 30 25.8 +60 12 44   7.33 6.5     ~ 216 0
4 NGC 146 OpC 00 33 05.4 +63 19 17   9.59 9.1     ~ 69 0
5 Cl Stock 24 OpC 00 39 48.1 +61 58 04   9.02 8.8     ~ 42 0
6 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
7 NGC 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
8 IC 1590 OpC 00 52 49.2 +56 37 42           ~ 70 0
9 Cl Berkeley 62 OpC 01 01 13.3 +63 55 31   9.98 9.3     ~ 57 0
10 NGC 381 OpC 01 08 23.3 +61 34 39           ~ 76 0
11 NGC 433 OpC 01 15 09.4 +60 07 54           ~ 55 0
12 NGC 436 OpC 01 16 00.1 +58 49 15   8.01 8.8     ~ 80 0
13 NGC 457 OpC 01 19 32.4 +58 16 40   6.97 6.4     ~ 259 2
14 M 103 OpC 01 33 21.1 +60 39 13   7.72 7.4     ~ 212 0
15 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
16 Cl Trumpler 1 OpC 01 35 40.1 +61 17 09   8.35 8.1     ~ 108 0
17 NGC 637 OpC 01 43 06.1 +64 02 16   8.56 8.2     ~ 86 0
18 NGC 654 OpC 01 44 01.5 +61 53 06   7.34 6.5     ~ 206 0
19 NGC 659 OpC 01 44 24.2 +60 40 35   8.40 7.9     ~ 96 0
20 NGC 663 OpC 01 46 22.2 +61 12 53   7.78 7.1     ~ 269 0
21 Cl Berkeley 7 OpC 01 54 11.7 +62 22 03           ~ 49 0
22 NGC 869 OpC 02 18 57.0 +57 08 02           ~ 504 0
23 Cl Berkeley 64 OpC 02 21 42.4 +65 53 10           ~ 36 0
24 NGC 884 OpC 02 22 15.7 +57 08 59           ~ 503 0
25 IC 1805 OpC 02 32 52.1 +61 28 36           ~ 542 1
26 NGC 1039 OpC 02 42 09.1 +42 44 02           ~ 467 0
27 NGC 1193 OpC 03 05 56.4 +44 22 58     12.6     ~ 97 0
28 NGC 1245 OpC 03 14 44.3 +47 14 06   9.16 8.4     ~ 171 0
29 Cl King 7 OpC 03 59 08.0 +51 47 11           ~ 74 0
30 Cl Berkeley 14 OpC 04 59 44.5 +43 29 12           ~ 52 1
31 NGC 1750 OpC 05 03 49.8 +23 40 41           ~ 76 1
32 NGC 1798 OpC 05 11 39.3 +47 41 28           ~ 85 0
33 Cl King 22 OpC 05 22 09.7 +45 26 30           ~ 81 0
34 NGC 1893 OpC 05 22 52.8 +33 26 32           ~ 270 0
35 Cl Berkeley 69 OpC 05 24 21.1 +32 36 13           ~ 50 0
36 NGC 1907 OpC 05 28 07.2 +35 19 33   8.87 8.2     ~ 140 2
37 M 38 OpC 05 28 40.0 +35 49 08   6.69 6.4     ~ 184 2
38 NGC 1931 OpC 05 31 23 +34 14.0     10.1     ~ 136 0
39 Cl Collinder 74 OpC 05 48 40.9 +07 22 23     14.4     ~ 40 0
40 Cl Berkeley 21 OpC 05 51 44.7 +21 48 36   12.26 11.1     ~ 130 0
41 NGC 2112 OpC 05 53 47.5 +00 24 18     9.1     ~ 109 0
42 Cl Berkeley 22 OpC 05 58 28.5 +07 45 39           ~ 96 0
43 NGC 2158 OpC 06 07 26.7 +24 05 53           ~ 317 0
44 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
45 NGC 2192 OpC 06 15 16.5 +39 50 39     10.9     ~ 52 0
46 NGC 2204 OpC 06 15 31.5 -18 40 28   9.35 8.6     ~ 172 0
47 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
48 NGC 2244 OpC 06 32 06.9 +04 54 19           ~ 673 1
49 Cl Trumpler 5 OpC 06 36 31.8 +09 28 03           ~ 146 0
50 NGC 2264 OpC 06 40 53.7 +09 52 32           ~ 1876 0
51 NGC 2266 OpC 06 43 19.7 +26 58 35     9.5     ~ 82 0
52 Cl Dolidze 25 OpC 06 45 06 +00 18.0   8.19 7.6     ~ 79 1
53 Cl Bochum 2 OpC 06 48 54 +00 23.0   10.24 9.7     ~ 39 0
54 Cl Berkeley 29 OpC 06 53 03.6 +16 55 24   14.3       ~ 187 0
55 Cl Berkeley 31 OpC 06 57 37.5 +08 17 18           ~ 142 0
56 Cl Berkeley 30 OpC 06 57 45.1 +03 13 44           ~ 57 0
57 Cl Berkeley 33 OpC 06 57 49.7 -13 13 38           ~ 95 0
58 Cl Berkeley 32 OpC 06 58 06.7 +06 25 53           ~ 164 0
59 NGC 2355 OpC 07 16 59.1 +13 46 09     9.7     ~ 127 0
60 Cl Haffner 6 OpC 07 19 58.9 -13 09 22   9.97 9.2     ~ 46 0
61 NGC 2383 OpC 07 24 41.7 -20 56 54   8.88 8.4     ~ 75 0
62 NGC 2384 OpC 07 25 10 -21 01.3   7.47 7.4     ~ 80 0
63 NGC 2421 OpC 07 36 12.1 -20 37 33   8.69 8.3     ~ 64 0
64 Cl Melotte 71 OpC 07 37 31.3 -12 03 42   7.44 7.1     ~ 149 0
65 NGC 2420 OpC 07 38 24.6 +21 34 26   9.0 8.3     ~ 523 0
66 NGC 2439 OpC 07 40 46.5 -31 41 36   7.31 6.9     ~ 150 0
67 BRAN 66A RNe 07 44 57.8947652376 -25 30 42.178944888   15.41 14.57 14.92 13.47 ~ 29 1
68 Cl Ruprecht 32 OpC 07 45 12 -25 32.3   8.44 8.4     ~ 41 0
69 Cl Berkeley 39 OpC 07 46 48.1 -04 39 59           ~ 209 1
70 NGC 2453 OpC 07 47 35.0 -27 11 45   8.39 8.3     ~ 68 0
71 NGC 2477 OpC 07 52 11.4 -38 32 47   6.64 5.8     ~ 314 0
72 NGC 2489 OpC 07 56 15.7 -30 03 35   8.58 7.9     ~ 83 0
73 NGC 2506 OpC 08 00 02.3 -10 46 22   8.28 7.6     ~ 313 0
74 NGC 2567 OpC 08 18 36.9 -30 38 15   7.77 7.4     ~ 97 0
75 NGC 2627 OpC 08 37 13.9 -29 57 04     8.4     ~ 74 0
76 NGC 2660 OpC 08 42 40.0 -47 11 59   9.05 8.8     ~ 164 0
77 NGC 2658 OpC 08 43 27.6 -32 39 50     9.2     ~ 55 0
78 NGC 2670 OpC 08 45 32.2 -48 47 23   8.31 7.8     ~ 73 0
79 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
80 NGC 2818 OpC 09 16 10.8 -36 37 09           ~ 108 1
81 NGC 2910 OpC 09 30 34.9 -52 54 43   7.49 7.2     ~ 64 0
82 Cl Ruprecht 79 OpC 09 41 04.1 -53 50 33           ~ 89 0
83 NGC 3114 OpC 10 01 55.0 -60 02 16   4.47 4.2     ~ 213 0
84 IC 2602 OpC 10 42 55.9 -64 25 22           ~ 735 0
85 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
86 Cl Collinder 228 OpC 10 44 00 -60 05.2           ~ 211 0
87 Cl Trumpler 16 OpC 10 45 01.9 -59 42 00           ~ 510 0
88 Cl Melotte 105 OpC 11 19 40.6 -63 29 16   9.05 8.5     ~ 81 0
89 NGC 3766 OpC 11 36 13.5 -61 36 42   5.66 5.3     ~ 222 0
90 NGC 4103 OpC 12 06 35.0 -61 14 47     7.4     ~ 104 1
91 Cl Collinder 261 OpC 12 38 04.7 -68 22 40     10.7     ~ 216 0
92 NGC 4755 OpC 12 53 39.2 -60 22 07           ~ 300 0
93 NGC 4815 OpC 12 58 00.8 -64 57 36   9.61 8.6     ~ 110 0
94 Cl Collinder 272 OpC 13 30 19.1 -61 18 59   8.25 7.7     ~ 70 0
95 NGC 5168 OpC 13 31 08.7 -60 56 45   9.55 9.1     ~ 60 0
96 NGC 5460 OpC 14 07 21.6 -48 16 48   5.85 5.6     ~ 111 0
97 NGC 5606 OpC 14 27 49.7 -59 37 45           ~ 109 0
98 NGC 5617 OpC 14 29 46.5 -60 43 02           ~ 108 0
99 Cl Pismis 19 OpC 14 30 40.0 -60 53 21           ~ 41 0
100 Cl Pismis 20 OpC 15 15 23.5 -59 04 23   8.69 7.8     ~ 103 0
101 NGC 5999 OpC 15 52 11.0 -56 28 51     9.0     ~ 57 0
102 NGC 6005 OpC 15 55 49.2 -57 26 23   11.90 10.7     ~ 72 0
103 NGC 6031 OpC 16 07 34.3 -54 00 54   8.92 8.5     ~ 63 0
104 Cl Ruprecht 115 OpC 16 12 52.8 -52 23 46           ~ 38 0
105 NGC 6067 OpC 16 13 10.2 -54 13 48           ~ 239 0
106 NGC 6087 OpC 16 18 55.7 -57 53 32           ~ 198 0
107 Cl Ruprecht 120 OpC 16 35 10 -48 18.0           ~ 27 0
108 NGC 6192 OpC 16 40 18.7 -43 21 16           ~ 99 0
109 NGC 6204 OpC 16 46 09.1 -47 01 29   8.51 8.2     ~ 139 0
110 NGC 6231 OpC 16 54 14.4 -41 48 53           ~ 562 0
111 NGC 6253 OpC 16 59 06.4 -52 42 39     10.2     ~ 209 0
112 IC 4651 OpC 17 24 48.5 -49 55 23           ~ 374 0
113 IC 4665 OpC 17 46 04.0 +05 36 54           ~ 407 0
114 NGC 6451 OpC 17 50 41.5 -30 12 50     8.2     ~ 63 0
115 NGC 6475 OpC 17 53 44.1 -34 49 36           ~ 413 0
116 NGC 6520 OpC 18 03 25.4 -27 53 09     7.6     ~ 72 0
117 M 24 As* 18 16.8 -18 33           ~ 54 1
118 NGC 6603 OpC 18 18 27.8 -18 24 29     11.1     ~ 86 1
119 M 16 OpC 18 18 45.1 -13 47 31           ~ 1084 1
120 NGC 6649 OpC 18 33 26.2 -10 23 54   10.35 8.9     ~ 154 0
121 NGC 6705 OpC 18 51 03.7 -06 16 18   6.32 5.8     ~ 442 0
122 NGC 6709 OpC 18 51 17.1 +10 20 15   7.18 6.7     ~ 145 0
123 NGC 6716 OpC 18 53 54.4 -19 57 44   7.70 7.5     ~ 85 0
124 Cl Berkeley 81 OpC 19 01 39.4 -00 27 10           ~ 93 0
125 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 178 0
126 NGC 6755 OpC 19 07 44.5 +04 13 46   8.60 7.5     ~ 91 0
127 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 460 0
128 NGC 6791 OpC 19 20 52.8 +37 46 40   10.52 9.5     ~ 1120 0
129 NGC 6823 OpC 19 43 11.3 +23 18 32   7.71 7.1     ~ 279 2
130 NGC 6871 OpC 20 06 07.9 +35 46 45   5.43 5.2     ~ 237 0
131 IC 1311 OpC 20 10 47.5 +41 10 36     13.1     ~ 59 0
132 IC 4996 OpC 20 16 32.7 +37 38 46           ~ 187 0
133 Cl Berkeley 86 OpC 20 20 20.6 +38 42 15           ~ 130 0
134 M 29 OpC 20 23 42.9 +38 29 25   7.30 6.6     ~ 256 0
135 Cl Berkeley 54 OpC 21 02 59.5 +40 26 12           ~ 38 0
136 NGC 7044 OpC 21 13 09.6 +42 29 39     12.0     ~ 72 0
137 NGC 7380 OpC 22 47 23.4 +58 06 55           ~ 198 0
138 NGC 7419 OpC 22 54 19.0 +60 48 50     13.0     ~ 113 0
139 Cl King 10 OpC 22 55 00.6 +59 10 07           ~ 50 0
140 NGC 7510 OpC 23 11 03.7 +60 34 40   8.77 7.9     ~ 107 1
141 Cl Berkeley 99 OpC 23 21 03.8 +71 46 44           ~ 41 0
142 M 52 OpC 23 24 47.2 +61 35 32           ~ 200 0
143 NGC 7762 OpC 23 49 51.3 +68 02 06           ~ 84 0
144 NGC 7790 OpC 23 58 27.6 +61 12 33   9.18 8.5     ~ 286 0

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