2015MNRAS.450.2692V

Query : 2015MNRAS.450.2692V

2015MNRAS.450.2692V - Mon. Not. R. Astron. Soc., 450, 2692-2707 (2015/July-1)

G2C2 - III. Structural parameters for Galactic globular clusters in SDSS passbands.

VANDERBEKE J., DE PROPRIS R., DE RIJCKE S., BAES M., WEST M.J. and BLAKESLEE J.P.

Abstract (from CDS):

We use our Galactic Globular Cluster Catalog (G2C2) photometry for 111 Galactic globular clusters (GCs) in g and z, as well as r and i photometry for a subset of 60 GCs and u photometry for 22 GCs, to determine the structural parameters assuming King models. In general, the resulting core radii are in good comparison with the current literature values. However, our half-light radii are slightly lower than the literature. The concentrations (and therefore also the tidal radii) are poorly constrained mostly because of the limited radial extent of our imaging. Therefore, we extensively discuss the effects of a limited field of view on the derived parameters using mosaicked Sloan Digital Sky Survey data, which do not suffer from this restriction. We also illustrate how red giant branch (RGB) stars in cluster cores can stochastically induce artificial peaks in the surface brightness profiles. The issues related to these bright stars are scrutinized based on both our photometry and simulated clusters. We also examine colour gradients and find that the strongest central colour gradients are caused by central RGB stars and thus not representative for the cluster light or colour distribution. We recover the known relation between the half-light radius and the Galactocentric distance in the g band, but find a lower slope for redder filters. We did not find a correlation between the scatter on this relation and other cluster properties. We find tentative evidence for a correlation between the half-light radii and the [Fe/H], with metal-poor GCs being larger than metal-rich GCs. However, we conclude that this trend is caused by the position of the clusters in the Galaxy, with metal-rich clusters being more centrally located.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): globular clusters: general

VizieR on-line data: <Available at CDS (J/MNRAS/450/2692): sources.dat table1.dat table2.dat>

Simbad objects: 102

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Number of rows : 102
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3916 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11146 1
3 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1041 0
4 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1085 0
5 NAME Whiting 1 GlC 02 02 56.8 -03 15 10           ~ 149 0
6 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 520 0
7 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 243 1
8 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1570 1
9 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 208 0
10 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1429 0
11 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17432 0
12 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 817 0
13 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 497 0
14 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 932 0
15 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1419 0
16 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 885 0
17 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 354 1
18 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 573 0
19 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 303 0
20 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 997 0
21 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 425 0
22 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 836 0
23 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 620 0
24 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3426 0
25 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2478 0
26 NGC 5286 GlC 13 46 26.81 -51 22 27.3           ~ 443 0
27 NGC 5372 H2G 13 54 46.003 +58 39 59.01   13.7       ~ 53 0
28 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 828 0
29 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 300 0
30 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 301 0
31 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 389 0
32 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1977 0
33 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 462 0
34 NGC 5946 GlC 15 35 28.58 -50 39 35.0           ~ 194 0
35 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 374 0
36 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 715 0
37 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1849 0
38 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 294 0
39 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 243 0
40 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 214 0
41 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 786 0
42 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2192 0
43 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 366 0
44 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 676 0
45 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 186 0
46 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 789 0
47 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 369 1
48 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 278 0
49 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 224 0
50 NGC 6293 GlC 17 10 10.42 -26 34 54.2           ~ 281 0
51 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 358 0
52 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 216 0
53 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2115 0
54 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 317 0
55 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 286 0
56 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 350 1
57 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 155 0
58 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 396 0
59 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 311 0
60 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 585 0
61 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 913 1
62 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 385 0
63 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 172 0
64 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 222 0
65 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14414 0
66 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 550 0
67 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 884 0
68 NGC 6453 GlC 17 50 51.77 -34 35 55.1   10.49       ~ 166 0
69 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 225 0
70 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 182 0
71 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 294 0
72 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 225 0
73 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 377 0
74 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 600 0
75 IC 1276 GlC 18 10 44.26 -07 12 27.3           ~ 121 0
76 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 238 0
77 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 288 0
78 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 885 1
79 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 769 0
80 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 234 0
81 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 462 0
82 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 206 0
83 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 438 0
84 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 114 0
85 M 70 GlC 18 43 12.76 -32 17 31.6           ~ 385 0
86 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 519 0
87 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1068 0
88 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 500 0
89 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 240 0
90 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 422 0
91 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 428 0
92 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1127 0
93 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 366 0
94 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 422 0
95 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 430 0
96 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 532 0
97 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3139 0
98 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1030 1
99 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1048 0
100 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 277 1
101 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 301 0
102 NAME Galactic Bulge reg ~ ~           ~ 4299 0

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