2001AJ....122.1330C

Query : 2001AJ....122.1330C

2001AJ....122.1330C - Astron. J., 122, 1330-1341 (2001/September-0)

Compact star clusters in M81. I. Data from Hubble space telescope wide field planetary camera 2 imaging.

CHANDAR R., FORD H.C. and TSVETANOV Z.

Abstract (from CDS):

In this paper, we present the discovery of 114 compact star clusters in the nearby spiral galaxy M81 from B-, V-, and I-band Hubble Space Telescope Wide Field Planetary Camera 2 imaging in eight fields, covering a total area of ∼40 arcmin2. The fields sample a variety of environments (both spiral and interarm regions), as well as a range of projected galactocentric distances from 2 to 12 kpc. The sample is complete to V∼22, deeper by ∼1 mag than any previous cluster survey in M81. We present details of the separation of clusters from both stellar sources and background galaxies, which has been based solely on structural parameters and morphology and not using any color cuts, as is necessary for ground-based surveys. We present magnitudes and colors of detected clusters. Surface brightness profiles are compared with single-mass King models, giving a range of core radii for the clusters in our sample between 0.2 and 7 pc.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual (M81) - Galaxies: Star Clusters - Galaxies: Stellar Content

VizieR on-line data: <Available at CDS (J/AJ/122/1330): table2.dat table3.dat>

Nomenclature: Table 2: [CFT2001] NNN (Nos 1-114).

Simbad objects: 117

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Number of rows : 117
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
3 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
4 [CFT2001] 99 Cl* 09 54 33.37 +69 04 22.2   22.761 22.459     ~ 1 0
5 [CFT2001] 98 Cl* 09 54 35.98 +69 03 12.5   22.895 22.455     ~ 1 0
6 [CFT2001] 95 Cl* 09 54 36.09 +69 04 15.1   22.679 23.057     ~ 1 0
7 [CFT2001] 94 Cl* 09 54 36.56 +69 04 11.0   22.863 22.737     ~ 1 0
8 [CFT2001] 96 Cl* 09 54 36.65 +69 04 05.5   24.295 22.517     ~ 4 0
9 [CFT2001] 86 Cl* 09 54 38.09 +69 03 54.6   22.479 22.572     ~ 1 0
10 [CFT2001] 88 Cl* 09 54 38.36 +69 03 58.9   24.188 23.885     ~ 1 0
11 [CFT2001] 87 GlC 09 54 38.86 +69 04 10.5   20.29 19.16   17.83 ~ 12 0
12 [CFT2001] 93 Cl* 09 54 39.65 +69 04 13.0   23.409 23.055     ~ 1 0
13 [CFT2001] 97 GlC 09 54 39.6718500744 +69 03 26.412206076   20.99 20.07   18.85 ~ 11 0
14 [CFT2001] 89 Cl* 09 54 40.38 +69 03 49.3   23.081 22.963     ~ 1 0
15 [CFT2001] 91 Cl* 09 54 41.57 +69 04 15.7   23.258 22.996     ~ 1 0
16 [CFT2001] 90 Cl* 09 54 41.60 +69 04 04.4   24.622 23.307     ~ 3 0
17 [CFT2001] 92 Cl* 09 54 41.75 +69 04 11.2   21.417 21.365     ~ 1 0
18 [CFT2001] 30 GlC 09 54 59.85 +69 09 27.8   21.57 20.48   19.16 ~ 9 0
19 [CFT2001] 47 Cl* 09 55 00.62 +69 06 53.4   22.013 21.847     ~ 1 0
20 [CFT2001] 40 GlC 09 55 02.1661266000 +69 05 37.760736948   19.06 18.16   17.08 ~ 11 0
21 [CFT2001] 46 Cl* 09 55 02.2343610432 +69 06 37.042652484   21.79 20.82   19.62 ~ 5 0
22 [CFT2001] 31 Cl* 09 55 02.71 +69 09 12.8   23.23 22.09   20.78 ~ 4 0
23 [CFT2001] 26 Cl* 09 55 02.82 +69 08 28.6   22.080 22.039     ~ 1 0
24 [CFT2001] 50 Cl* 09 55 02.95 +69 06 12.1   22.469 22.016     ~ 1 0
25 [CFT2001] 27 Cl* 09 55 03.55 +69 08 20.2   22.017 21.908     ~ 1 0
26 [CFT2001] 28 Cl* 09 55 03.90 +69 08 21.2   24.558 23.688     ~ 3 0
27 [CFT2001] 23 Cl* 09 55 04.18 +69 08 38.7   22.021 21.822     ~ 1 0
28 [CFT2001] 41 GlC 09 55 04.3608618360 +69 05 15.821882196   20.60 19.65   18.51 ~ 9 0
29 [CFT2001] 22 Cl* 09 55 04.76 +69 08 18.4   21.62 20.56   19.21 ~ 5 0
30 [CFT2001] 24 Cl* 09 55 05.06 +69 08 46.5   24.003 24.022     ~ 1 0
31 [CFT2001] 25 Cl* 09 55 05.66 +69 08 27.2   21.941 21.668     ~ 1 0
32 [CFT2001] 32 G 09 55 06.6127345848 +69 09 20.101675320   21.850 20.478     ~ 5 0
33 [CFT2001] 48 Cl* 09 55 07.254 +69 07 21.36   20.889 20.849     ~ 2 0
34 [CFT2001] 29 Cl* 09 55 07.69 +69 08 25.9   23.092 22.507     ~ 1 0
35 [PR95] 50804 Gl? 09 55 08.0104997088 +69 06 56.907496476   21.45 20.48   19.28 ~ 7 0
36 [CFT2001] 39 GlC 09 55 08.9626729392 +69 05 51.515519820   20.42 19.27   17.89 ~ 9 0
37 [CFT2001] 44 Cl* 09 55 09.52 +69 06 20.9   22.031 21.325     ~ 3 0
38 [CFT2001] 33 Cl* 09 55 09.60 +69 09 19.7   20.413 20.224     ~ 1 0
39 [CFT2001] 49 Cl* 09 55 13.14 +69 06 40.4   22.613 21.911     ~ 3 0
40 [CFT2001] 103 G 09 55 13.250 +69 01 34.41   22.426 21.703     ~ 4 0
41 [CFT2001] 55 Cl* 09 55 13.64 +69 06 54.7   21.980 21.658     ~ 1 0
42 [CFT2001] 104 GlC 09 55 14.2573304448 +69 02 06.283947588   21.00 20.19   19.11 ~ 7 0
43 [CFT2001] 36 Cl* 09 55 14.279 +69 08 35.95   20.848 20.838     ~ 2 0
44 [CFT2001] 113 GlC 09 55 15.1368467784 +69 00 25.745328864   21.20 20.12   18.81 ~ 8 0
45 [PR95] 50678 GlC 09 55 15.2115081432 +69 05 24.140251176   21.07 20.00   18.68 ~ 9 0
46 [CFT2001] 43 Cl* 09 55 15.36 +69 05 22.9   22.59 21.58   20.33 ~ 4 0
47 [PR95] 50708 GlC 09 55 15.5963714928 +69 05 47.843255328   20.74 19.86   18.76 ~ 11 0
48 [CFT2001] 114 Cl* 09 55 16.065 +69 02 50.28   20.920 20.262     ~ 4 0
49 [CFT2001] 35 Cl* 09 55 17.47 +69 09 58.6   22.682 22.122     ~ 1 0
50 [CFT2001] 51 Gl? 09 55 17.88 +69 06 53.9   22.25 21.06     ~ 5 0
51 [CFT2001] 34 Cl* 09 55 19.06 +69 09 09.8   22.05 21.10   19.83 ~ 5 0
52 [CFT2001] 38 GlC 09 55 19.1855406024 +69 05 50.110127880   20.86 19.74   18.40 ~ 9 0
53 [CFT2001] 107 Cl* 09 55 19.86 +69 02 02.1   22.138 21.584     ~ 1 0
54 [CFT2001] 105 HII 09 55 20.0126729280 +69 02 18.494073024   20.97 19.86   18.56 ~ 6 0
55 [CFT2001] 54 HII 09 55 21.8711928264 +69 07 36.497731944   20.241 19.641     ~ 2 0
56 [CFT2001] 101 Cl* 09 55 24.91 +69 01 32.6   23.406 22.627     ~ 3 0
57 [CFT2001] 53 Cl* 09 55 25.08 +69 07 34.5   21.74 20.88   19.79 ~ 5 0
58 SBKHP 14 GlC 09 55 25.1674807200 +69 07 14.657309004   19.98 19.11   18.05 ~ 10 0
59 [CFT2001] 102 Cl* 09 55 25.194 +69 01 03.08   22.394 21.015     ~ 4 0
60 [CFT2001] 100 Cl* 09 55 25.346 +69 01 24.41   20.260 20.201     ~ 2 0
61 [NHZ2011] 179 GlC 09 55 25.75 +69 01 40.2   21.87 20.78   19.42 ~ 6 0
62 [NHZ2011] 185 Cl* 09 55 28.6060051776 +69 02 26.969410788   22.65 21.36   19.71 ~ 4 0
63 [CFT2001] 108 GlC 09 55 30.0709739712 +69 01 59.511267552   21.57 20.59   19.43 ~ 7 0
64 [CFT2001] 111 Cl* 09 55 30.74 +69 01 29.1   21.98 21.05   19.86 ~ 5 0
65 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
66 [NHZ2011] 212 Cl* 09 55 33.52 +69 02 32.2   22.60 21.59   20.24 ~ 4 0
67 [CFT2001] 112 Cl* 09 55 37.22 +69 01 25.4   22.879 22.236     ~ 3 0
68 [CFT2001] 65 Cl* 09 55 41.05 +69 05 04.3   22.20 21.27   20.07 ~ 5 0
69 [CFT2001] 62 Cl* 09 55 47.0163030624 +69 05 51.142028712   20.08 18.90   17.44 ~ 6 0
70 [CFT2001] 67 Cl* 09 55 48.30 +69 04 58.3   22.08 21.03   19.64 ~ 5 0
71 [CFT2001] 64 GlC 09 55 48.7218237648 +69 05 22.291114956   20.89 20.06   18.99 ~ 7 0
72 CXO J095549.7+690531 LXB 09 55 49.7917670976 +69 05 31.963477596   22.04 20.77   19.92 ~ 16 0
73 [CFT2001] 66 Cl* 09 55 51.80 +69 05 42.4   20.760 20.133     ~ 3 0
74 [CFT2001] 61 Cl* 09 55 51.880 +69 05 41.60   20.760 20.133     ~ 2 0
75 [PR95] 50889 GlC 09 55 51.9100 +69 07 39.910   19.80 18.79   17.55 ~ 11 0
76 [CFT2001] 8 GlC 09 55 52.0032896160 +69 07 10.511694624   20.91 19.85   18.54 ~ 10 0
77 [CFT2001] 9 Cl* 09 55 55.26 +69 07 06.4   22.968 22.563     ~ 1 0
78 [PR95] 50878 Gl? 09 55 56.1641885424 +69 07 35.049358128   20.97 20.12   19.10 ~ 8 0
79 [CFT2001] 10 Cl* 09 55 56.17 +69 06 55.5   23.256 22.568     ~ 1 0
80 [CFT2001] 56 Cl* 09 55 57.1522958520 +69 04 50.778583356   21.18 20.20   19.00 ~ 5 0
81 [CFT2001] 12 Cl* 09 55 57.41 +69 06 43.2   22.244 21.836     ~ 1 0
82 [CFT2001] 70 Cl* 09 55 57.44 +69 06 42.6   22.477 22.090     ~ 1 0
83 [CFT2001] 68 Cl* 09 55 58.2006280272 +69 05 28.980977064   22.13 21.10   19.81 ~ 5 0
84 [CFT2001] 59 Cl* 09 55 58.55 +69 04 58.4   22.362 22.186     ~ 1 0
85 [CFT2001] 58 Cl* 09 55 59.19 +69 04 39.9   24.576 23.065     ~ 3 0
86 [CFT2001] 60 Cl* 09 55 59.31 +69 04 49.0   22.833 22.666     ~ 1 0
87 [CFT2001] 11 Cl* 09 55 59.34 +69 07 01.8   22.756 22.538     ~ 1 0
88 [CFT2001] 57 Cl* 09 56 01.07 +69 04 47.9   22.517 22.250     ~ 1 0
89 [CFT2001] 4 Cl* 09 56 02.08 +69 06 24.8   22.211 21.699     ~ 1 0
90 [CFT2001] 73 Cl* 09 56 02.14 +69 06 24.2   22.081 21.692     ~ 1 0
91 [CFT2001] 2 Cl* 09 56 02.689 +69 06 36.62   21.282 20.864     ~ 2 0
92 [CFT2001] 3 Cl* 09 56 02.85 +69 06 30.6   22.485 22.160     ~ 1 0
93 [CFT2001] 71 Cl* 09 56 02.91 +69 06 30.0   22.505 22.301     ~ 1 0
94 [CFT2001] 5 GlC 09 56 03.0219117648 +69 07 19.540884720   20.98 19.79   18.29 ~ 9 0
95 [CFT2001] 74 Cl* 09 56 05.05 +69 05 45.2   21.90 20.94   19.74 ~ 5 0
96 SBKHP 13 GlC 09 56 05.4051343488 +69 06 42.999704712   20.13 19.19   18.04 ~ 10 0
97 [CFT2001] 72 Cl* 09 56 08.23 +69 06 14.0   22.772 22.566     ~ 1 0
98 [CFT2001] 75 HII 09 56 08.33 +69 05 18.4   20.80 19.82   18.80 ~ 5 0
99 [CFT2001] 77 Cl* 09 56 09.40 +69 05 20.4   21.850 21.711     ~ 1 0
100 [CFT2001] 16 Cl* 09 56 10.49 +69 07 09.9   22.989 22.258     ~ 3 0
101 [CFT2001] 15 Cl* 09 56 10.83 +69 07 45.9   23.046 22.462     ~ 3 0
102 [CFT2001] 14 Cl* 09 56 11.65 +69 07 00.1   22.451 22.317     ~ 1 0
103 [CFT2001] 17 Cl* 09 56 11.68 +69 07 57.5   21.654 21.308     ~ 1 0
104 [CFT2001] 18 Cl* 09 56 13.42 +69 06 58.9   21.413 21.111     ~ 1 0
105 [CFT2001] 80 Cl* 09 56 13.56 +69 05 45.2   23.174 22.521     ~ 3 0
106 [CFT2001] 76 GlC 09 56 14.19 +69 05 05.7   21.62 20.78   19.72 ~ 7 0
107 [CFT2001] 81 Cl* 09 56 14.856 +69 05 20.60   19.802 19.833     ~ 2 0
108 [CFT2001] 20 Cl* 09 56 15.44 +69 06 26.1   22.130 21.340     ~ 3 0
109 [CFT2001] 13 Cl* 09 56 17.93 +69 07 54.5   22.357 21.978     ~ 1 0
110 [CFT2001] 21 Cl* 09 56 21.19 +69 06 52.3   22.653 21.860     ~ 3 0
111 [CFT2001] 79 Cl* 09 56 21.23 +69 06 48.3   21.342 21.297     ~ 1 0
112 [CFT2001] 19 Cl* 09 56 21.28 +69 06 49.4   21.332 21.224     ~ 1 0
113 [CFT2001] 78 Cl* 09 56 27.38 +69 05 22.4   23.643 23.340     ~ 1 0
114 [CFT2001] 84 Cl* 09 56 27.50 +69 06 46.0   23.652 23.142     ~ 1 0
115 [CFT2001] 82 Cl* 09 56 31.865 +69 06 21.64   20.716 20.491     ~ 2 0
116 [CFT2001] 83 Cl* 09 56 36.50 +69 06 22.0   24.384 23.686     ~ 3 0
117 [CFT2001] 85 Cl* 09 56 37.83 +69 05 34.9   24.240 23.532     ~ 3 0

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