2001A&A...366..498C


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.28CET06:03:24

2001A&A...366..498C - Astronomy and Astrophysics, volume 366, 498-507 (2001/2-1)

Star clusters in M 33. IV. A new survey from deep HST images.

CHANDAR R., BIANCHI L. and FORD H.C.

Abstract (from CDS):

We have detected 102 star clusters in M 33, from 35 deep Hubble Space Telescope (HST) WFPC2 fields taken from our program and from the HST archive. Twenty-eight fields have V and I band imaging, and an additional seven fields are imaged in a single V filter. Eighty-two of the clusters were previously unknown. Integrated photometry reveals that 25 clusters have (V-I) colors typical of those found in Galactic globular clusters (only ten of these objects were previously known). Our discovery of 15 new globular cluster candidates increases previous estimates of the old cluster population in M 33 by ∼60%. An additional eleven objects (only two were previously known) have colors expected for intermediate age clusters. The new clusters have a range of ages from 6 million years to >15Gyrs, and masses between 102M-106M, although these parameters are estimated from only one color. The number of new clusters detected more than doubles our previous sample (Papers I and II), and extends coverage to older objects and new off-spiral arm locations in M 33. The luminosity function for old M 33 clusters shows a peak at MV~-7.0, nearly half a magnitude fainter than found in the Galactic and M 31 globular cluster populations. The luminosity function for intermediate age objects shows no turnover down to MV~-6.6. We estimate the total number of globular clusters in M 33 to be 75±14. This gives a specific frequency, SN, of 2.07±0.39 - significantly higher than found for other late-type spiral galaxies, but in the range found for ellipticals.Table 2 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5), or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/366/498

Abstract Copyright:

Journal keyword(s): galaxies: individual (M 33) - galaxies: star clusters - galaxies: evolution

VizieR on-line data: <Available at CDS (J/A+A/366/498): table2.dat>

Nomenclature: Table 2: CBF NNN (Nos 61-162) added.

CDS comments: in ref list Holtzman et al 1995PASP.107.1065 instead of 106

Simbad objects: 104

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Number of rows : 104

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11056 1
2 CBF 143 Cl* 01 32 34.40 +30 37 42.6 20.841 20.666 20.096 19.726 19.807 ~ 7 0
3 CBF 162 GlC 01 32 38.97 +30 39 17.9 20.223 20.166 19.535 19.087 18.970 ~ 8 0
4 CBF 161 GlC 01 32 44.30 +30 40 12.4 19.741 19.597 18.780 18.294 17.676 ~ 11 0
5 CBF 86 GlC 01 33 08.11 +30 28 00.2 19.872 19.649 19.017 18.549 18.244 ~ 14 0
6 CBF 89 GlC 01 33 10.11 +30 29 56.9 18.324 18.689 18.372 18.050 17.323 ~ 8 0
7 CBF 87 Cl* 01 33 13.80 +30 29 03.6 20.989 20.823 20.180 19.789 19.408 ~ 6 0
8 CBF 88 GlC 01 33 13.8699005896 +30 29 44.524468570 17.549 18.519 18.303 18.216 18.482 ~ 8 0
9 CBF 54 GlC 01 33 14.30 +30 28 22.8 19.362 19.129 18.323 17.752 17.258 ~ 34 0
10 CBF 144 GlC 01 33 15.17 +30 32 53.0 20.060 19.958 19.771 19.201 19.018 ~ 8 0
11 CBF 145 GlC 01 33 16.63 +30 34 35.7 20.327 20.049 19.459 18.993 18.812 ~ 8 0
12 IFM-B 454 Cl* 01 33 22.16 +30 40 26.0 18.273 18.678 18.473 18.421 18.186 ~ 11 0
13 CBF 60 GlC 01 33 22.32 +30 40 59.4 18.834 18.962 18.611 18.498 18.006 ~ 12 0
14 [SSA2010] 1148 GlC 01 33 23.90 +30 40 26.0 19.858 19.229 19.026 18.629 18.410 ~ 10 0
15 CBF 92 Cl* 01 33 26.37 +30 41 06.9 19.671 19.655 19.085 18.670 18.137 ~ 7 0
16 CBF 93 Cl* 01 33 26.49 +30 41 11.6 19.844 19.805 19.515 19.302 19.032 ~ 8 0
17 [SSA2010] 1179 GlC 01 33 27.40 +30 41 59.8 19.149 19.197 18.529 17.913 17.247 ~ 9 0
18 CBF 124 Cl* 01 33 27.9474744237 +30 37 28.430907101 19.292 19.564 19.398 18.892 18.480 ~ 8 0
19 CBF 115 Cl* 01 33 28.00 +30 21 06.2 20.020 20.036 19.721 19.373 19.259 ~ 6 0
20 [SSA2010] 1199 GlC 01 33 28.40 +30 36 23.1 17.922 17.919 17.492 17.244 16.784 ~ 16 0
21 [SSA2010] 1202 GlC 01 33 28.70 +30 36 37.5 17.922 18.052 17.711 17.500 17.198 ~ 17 0
22 [SSA2010] 1203 GlC 01 33 28.72 +30 41 35.0 18.092 18.042 17.286 16.846 16.379 ~ 29 0
23 CBF 111 Cl* 01 33 30.07 +30 49 29.0 21.212 21.242 20.846 20.390 20.343 ~ 8 0
24 [SSA2010] 1230 GlC 01 33 30.70 +30 22 21.4 18.988 18.583 18.036 17.644 17.206 ~ 24 0
25 [SSA2010] 1233 GlC 01 33 30.90 +30 49 11.8 19.216 19.034 18.478 18.142 17.722 ~ 14 0
26 CBF 123 Cl* 01 33 30.92 +30 37 12.9 18.492 18.711 18.376 18.111 17.681 ~ 7 0
27 LGGS J013330.99+303652.5 sg* 01 33 30.9536808685 +30 36 52.359998348 17.983 18.380 18.040 17.752 17.125 A8I 12 0
28 [SSA2010] 1237 GlC 01 33 31.25 +30 50 07.0 19.799 19.766 19.228 18.915 18.775 ~ 10 0
29 [SSA2010] 1239 GlC 01 33 31.39 +30 40 20.4 18.750 18.581 17.979 17.619 17.241 ~ 24 0
30 CBF 126 Cl* 01 33 32.36 +30 38 28.0 22.819 23.218 21.174 20.330 19.483 ~ 6 0
31 [SSA2010] 1257 GlC 01 33 32.72 +30 36 55.2 17.407 18.447 18.232 17.774 18.029 ~ 7 0
32 [SSA2010] 1258 GlC 01 33 33.00 +30 49 41.7 19.359 19.160 18.551 18.132 17.645 ~ 15 0
33 [SSA2010] 1262 GlC 01 33 33.28 +30 48 30.5 19.095 18.980 18.462 18.151 17.678 ~ 15 0
34 CBF 149 Cl* 01 33 33.57 +30 36 35.8 19.289 19.494 18.999 18.844 18.749 ~ 7 0
35 CBF 108 Cl* 01 33 34.68 +30 48 21.2 19.549 19.791 19.172 18.707 18.196 ~ 9 0
36 [SBG2007] 4 GlC 01 33 35.0823959541 +30 49 00.063782589 19.988 19.447 18.373 17.692 17.099 ~ 26 0
37 [SSA2010] 1287 GlC 01 33 36.19 +30 47 55.1 18.184 18.429 18.067 17.831 17.475 ~ 10 0
38 [SSA2010] 1458 GlC 01 33 45.10 +30 47 46.7 17.210 17.081 16.298 15.823 15.311 ~ 37 0
39 [SBG2007] 11 Cl* 01 33 45.14 +30 49 09.2 19.933 20.018 18.781 18.545 18.053 ~ 9 0
40 [SSA2010] 1466 GlC 01 33 45.80 +30 27 17.3 18.959 18.979 18.573 18.330 17.978 ~ 10 0
41 CBF 62 Cl* 01 33 46.29 +30 47 51.0 19.858 19.707 19.022 18.488 17.990 ~ 8 0
42 [SSA2010] 1487 GlC 01 33 47.00 +30 46 36.3 19.508 19.618 18.759 18.275 17.677 ~ 9 0
43 [SSA2010] 1513 GlC 01 33 48.65 +30 47 42.6 20.636 20.687 20.261 19.783 19.332 ~ 10 0
44 CBF 63 Cl* 01 33 49.15 +30 49 01.5 20.587 20.582 19.832 19.511 19.024 ~ 8 0
45 [SSA2010] 1522 GlC 01 33 49.36 +30 47 12.5 18.197 18.424 18.132 17.965 17.650 ~ 9 0
46 [SSA2010] 1525 GlC 01 33 49.62 +30 34 25.7 18.917 18.800 18.316 18.037 17.654 ~ 11 0
47 [SSA2010] 1534 GlC 01 33 50.19 +30 34 18.8 19.579 19.624 19.131 18.765 18.139 ~ 10 0
48 CBF 138 Cl* 01 33 50.27 +30 31 11.0 20.315 21.656 20.483 19.944 19.170 ~ 7 0
49 CBF 105 Cl* 01 33 50.85 +30 28 59.9 21.612 21.320 20.852 20.459 19.602 ~ 8 0
50 CBF 127 Cl* 01 33 50.85 +30 38 34.5 15.544 16.405 16.384 16.515 16.604 ~ 7 0
51 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5195 1
52 [SSA2010] 1552 GlC 01 33 51.24 +30 34 13.2 18.755 18.877 18.494 18.314 17.913 ~ 11 0
53 [SSA2010] 1566 GlC 01 33 52.20 +30 29 03.8 18.297 18.126 17.290 16.773 16.277 ~ 30 0
54 CBF 132 Cl* 01 33 52.38 +30 35 00.8 19.445 19.664 19.244 18.624 18.776 ~ 9 0
55 CBF 134 Cl* 01 33 52.39 +30 34 21.1 19.711 19.784 19.369 19.083 18.019 ~ 9 0
56 CBF 66 Cl* 01 33 52.67 +30 48 10.1 20.357 20.633 20.288 19.575 19.682 ~ 7 0
57 [SSA2010] 1582 GlC 01 33 53.69 +30 48 21.5 17.556 17.889 17.549 17.337 16.997 ~ 9 0
58 CBF 135 Cl* 01 33 54.5970850307 +30 34 48.018197302 19.103 19.202 18.943 18.674 18.112 ~ 9 0
59 [SSA2010] 1616 GlC 01 33 56.18 +30 38 39.8 17.928 18.473 18.173 17.898 17.336 ~ 8 0
60 [SSA2010] 1617 GlC 01 33 56.21 +30 45 51.8 19.210 19.529 18.764 18.314 17.782 ~ 8 0
61 [SSA2010] 1621 GlC 01 33 56.50 +30 36 10.6 19.427 19.490 18.971 18.670 18.237 ~ 10 0
62 CBF 102 Cl* 01 33 56.93 +30 41 38.4 20.020 19.897 19.153 18.788 18.011 ~ 7 0
63 CBF 140 Cl* 01 33 57.16 +30 40 20.7 19.495 19.816 19.378 19.241 19.164 ~ 8 0
64 [SSA2010] 1632 GlC 01 33 57.28 +30 39 15.3 18.440 18.583 18.223 17.908 17.584 ~ 8 0
65 CBF 103 Cl* 01 33 57.35 +30 41 28.5 19.724 19.634 19.097 18.480 18.350 ~ 7 0
66 CBF 101 Cl* 01 33 57.66 +30 41 32.6 19.751 19.794 19.170 18.959 18.337 ~ 7 0
67 [SSA2010] 1637 GlC 01 33 57.87 +30 33 25.7 16.525 17.202 17.078 16.971 16.718 ~ 10 0
68 CBF 130 Cl* 01 33 58.10 +30 38 15.5 17.698 18.275 18.121 18.037 17.723 ~ 8 0
69 CBF 100 GlC 01 33 59.7095806646 +30 41 24.279931616 16.763 17.551 17.362 17.338 17.379 ~ 8 0
70 [SSA2010] 1669 GlC 01 34 00.01 +30 33 54.3 15.451 16.230 16.109 15.920 15.471 ~ 11 0
71 [SSA2010] 1679 GlC 01 34 00.47 +30 41 23.1 19.214 18.802 18.534 18.040 17.505 ~ 9 0
72 CBF 120 Cl* 01 34 01.31 +30 39 23.5 18.397 18.638 18.241 18.136 17.823 ~ 7 0
73 [SSA2010] 1702 GlC 01 34 01.75 +30 32 25.7 18.976 19.031 18.528 18.070 17.686 ~ 10 0
74 CBF 121 Cl* 01 34 01.99 +30 38 10.9 18.574 18.819 18.512 18.417 18.083 ~ 7 0
75 [SSA2010] 1710 GlC 01 34 02.48 +30 40 40.7 17.815 17.521 16.545 15.930 15.313 ~ 23 0
76 [SSA2010] 1736 GlC 01 34 06.30 +30 37 26.1 18.696 18.738 17.960 17.532 17.090 ~ 9 0
77 [SSA2010] 1739 GlC 01 34 06.40 +30 37 30.5 18.934 18.797 18.238 17.678 17.025 ~ 8 0
78 CBF 117 Cl* 01 34 07.28 +30 38 29.5 19.074 19.304 18.790 18.367 17.887 ~ 9 0
79 [SSA2010] 1765 GlC 01 34 08.04 +30 38 38.2 17.512 17.286 16.376 15.839 15.282 ~ 26 0
80 [HS80] 96A s*b 01 34 08.475 +30 39 02.03 16.052 16.691 16.604 16.474 16.099 B3Ia 17 0
81 CBF 122 GlC 01 34 08.6880485830 +30 39 23.309514969 17.585 17.803 17.373 17.125 16.816 ~ 10 0
82 [SSA2010] 1781 GlC 01 34 08.70 +30 42 55.3 19.355 19.232 18.910 18.468 17.904 ~ 13 0
83 [SSA2010] 1796 GlC 01 34 09.71 +30 21 30.0 18.766 18.890 18.618 18.451 18.116 ~ 11 0
84 CBF 153 GlC 01 34 11.8848766234 +30 42 19.444965896 19.987 20.087 19.689 19.453 19.096 ~ 8 0
85 CBF 56 GlC 01 34 13.9799300333 +30 39 29.461756113 18.829 18.795 18.367 18.169 17.751 ~ 15 0
86 [SSA2010] 1896 GlC 01 34 15.04 +30 41 19.2 17.638 17.835 17.431 17.227 16.921 ~ 18 0
87 [SSA2010] 1901 GlC 01 34 15.51 +30 42 11.5 18.020 18.224 17.785 17.447 16.933 ~ 11 0
88 [SSA2010] 1919 GlC 01 34 16.57 +30 40 29.0 19.858 19.676 18.984 18.554 18.516 ~ 8 0
89 [SBG2007] 14 Cl* 01 34 29.07 +30 38 05.4 19.051 19.428 18.999 18.618 18.251 ~ 7 0
90 [SSA2010] 2075 GlC 01 34 30.20 +30 38 13.0 17.848 17.880 17.127 16.618 16.108 ~ 31 0
91 CBF 80 Cl* 01 34 31.07 +30 37 41.1 19.554 19.940 19.684 19.798 19.592 ~ 8 0
92 [SSA2010] 2092 GlC 01 34 31.74 +30 39 14.8 20.434 20.669 20.462 19.933 19.425 ~ 8 0
93 [SSA2010] 2115 GlC 01 34 32.90 +30 38 12.0 19.803 19.679 19.030 18.489 17.848 ~ 10 0
94 [SSA2010] 2119 GlC 01 34 33.09 +30 37 36.3 18.106 18.473 18.291 18.116 17.861 ~ 10 0
95 CBF 76 Cl* 01 34 33.12 +30 38 14.2 19.738 19.629 18.983 18.637 18.317 ~ 8 0
96 CBF 75 Cl* 01 34 33.19 +30 38 26.6 20.160 20.226 19.604 18.970 18.610 ~ 7 0
97 [SSA2010] 2126 GlC 01 34 33.73 +30 39 15.7 18.364 18.663 18.276 17.986 17.428 ~ 12 0
98 [SSA2010] 2132 GlC 01 34 35.30 +30 38 30.1 19.976 19.708 18.794 18.274 17.849 ~ 11 0
99 CBF 77 Cl* 01 34 38.90 +30 38 51.8 18.272 18.951 18.582 18.340 17.979 ~ 7 0
100 CBF 142 Cl* 01 34 40.41 +30 46 01.3 15.336 16.076 15.885 15.626 14.806 ~ 8 0
101 CBF 83 Cl* 01 34 40.7081013397 +30 53 01.558844964 19.938 19.932 19.305 18.915 17.946 ~ 9 0
102 CBF 82 Cl* 01 34 43.19 +30 52 19.1 22.137 21.896 20.735 20.246 19.623 ~ 7 0
103 [SSA2010] 2222 GlC 01 34 44.20 +30 52 18.9 18.565 18.427 17.578 17.073 16.595 ~ 27 0
104 [SSA2010] 2236 GlC 01 34 45.91 +30 53 04.4 20.437 20.307 19.792 19.567 19.383 ~ 8 0

    Equat.    Gal    SGal    Ecl

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2020.10.28-06:03:24

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