2019MNRAS.485.4906D

Query : 2019MNRAS.485.4906D

2019MNRAS.485.4906D - Mon. Not. R. Astron. Soc., 485, 4906-4935 (2019/June-1)

Globular cluster number density profiles using Gaia DR2.

DE BOER T.J.L., GIELES M., BALBINOT E., HENAULT-BRUNET V., SOLLIMA A., WATKINS L.L. and CLAYDON I.

Abstract (from CDS):

Using data from Gaia DR2, we study the radial number density profiles of the Galactic globular cluster sample. Proper motions are used for accurate membership selection, especially crucial in the cluster outskirts. Due to the severe crowding in the centres, the Gaia data are supplemented by literature data from HST and surface brightness measurements, where available. This results in 81 clusters with a complete density profile covering the full tidal radius (and beyond) for each cluster. We model the density profiles using a set of single-mass models ranging from King and Wilson models to generalized lowered isothermal LIMEPY models and the recently introduced SPES models, which allow for the inclusion of potential escapers. We find that both King and Wilson models are too simple to fully reproduce the density profiles, with King (Wilson) models on average underestimating (overestimating) the radial extent of the clusters. The truncation radii derived from the LIMEPY models are similar to estimates for the Jacobi radii based on the cluster masses and their orbits. We show clear correlations between structural and environmental parameters, as a function of Galactocentric radius and integrated luminosity. Notably, the recovered fraction of potential escapers correlates with cluster pericentre radius, luminosity, and cluster concentration. The ratio of half mass over Jacobi radius also correlates with both truncation parameter and PE fraction, showing the effect of Roche lobe filling.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): methods: numerical - stars: kinematics and dynamics - globular clusters: general - galaxies: star clusters

VizieR on-line data: <Available at CDS (J/MNRAS/485/4906): tableb1.dat>

Simbad objects: 85

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Number of rows : 85
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     ~ 3914 0
2 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1041 0
3 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1084 0
4 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 520 0
5 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 243 1
6 ACO S 373 ClG 03 38 29.4 -35 27 08           ~ 1826 0
7 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1429 0
8 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17428 0
9 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 816 0
10 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 497 0
11 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 931 0
12 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1419 0
13 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 884 0
14 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 572 0
15 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 997 0
16 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 836 0
17 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 620 0
18 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3425 0
19 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2478 0
20 NGC 5286 GlC 13 46 26.81 -51 22 27.3           ~ 443 0
21 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 828 0
22 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 300 0
23 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 301 0
24 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 351 0
25 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 408 0
26 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 389 0
27 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1977 0
28 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 374 0
29 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 715 0
30 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1848 0
31 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 294 0
32 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 243 0
33 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 214 0
34 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 786 0
35 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2191 0
36 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 366 0
37 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 676 0
38 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 186 0
39 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 789 0
40 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 619 0
41 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 369 1
42 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 278 0
43 NGC 6293 GlC 17 10 10.42 -26 34 54.2           ~ 281 0
44 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2115 0
45 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 171 0
46 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 317 0
47 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 396 0
48 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 310 0
49 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 585 0
50 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 913 1
51 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 385 0
52 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 1975 0
53 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 222 0
54 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 225 0
55 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 225 0
56 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 377 0
57 IC 1276 GlC 18 10 44.26 -07 12 27.3           ~ 121 0
58 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 238 0
59 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 288 0
60 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 885 1
61 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 768 0
62 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 462 0
63 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 437 0
64 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1377 0
65 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 114 0
66 M 70 GlC 18 43 12.76 -32 17 31.6           ~ 385 0
67 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1067 0
68 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 244 0
69 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 499 0
70 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2000 0
71 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 422 0
72 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 853 0
73 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 321 0
74 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 142 0
75 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 366 0
76 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 422 0
77 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 430 0
78 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 531 0
79 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3138 0
80 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1030 1
81 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1048 0
82 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 516 0
83 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 300 0
84 NAME Local Group GrG ~ ~           ~ 8387 0
85 NAME Galactic Bulge reg ~ ~           ~ 4297 0

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