2018MNRAS.481..918A

Query : 2018MNRAS.481..918A

2018MNRAS.481..918A - Mon. Not. R. Astron. Soc., 481, 918-929 (2018/November-3)

Spatial distribution of globular clusters in the Galaxy.

ARAKELYAN N.R., PILIPENKO S.V. and LIBESKIND N.I.

Abstract (from CDS):

The Milky Way's satellite galaxies and globular clusters (GCs) are known to exhibit an anisotropic spatial distribution. We examine in detail this anisotropy by the means of the inertia tensor. We estimate the statistical significance of the results by repeating this analysis for random catalogues that use the radial distribution of the real sample. Our method reproduces the well-known planar structure in the distribution of the satellite galaxies. We show that for GCs several anisotropic structures are observed. The GCs at small distances, 2 < R < 10 kpc, show a structure coplanar with the Galactic plane. At smaller and larger distances, the whole sample of GCs shows quite weak anisotropy. Nevertheless, at largest distances the orientation of the structure is close to that of the satellite galaxies, i.e. perpendicular to the Galactic plane. We estimate the probability of random realization for this structure of 1.7 per cent. The bulge-disc GCs show a clear disc-like structure lying within the Galactic disc. The old halo GCs show two structures: a well-pronounced polar elongated structure at R < 3 kpc that is perpendicular to the Galactic plane, and a less pronounced disc-like structure coplanar with the Galactic disc at 6 < R < 20 kpc. The young halo GCs do not show significant anisotropy.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): globular clusters: general - Galaxy: structure

VizieR on-line data: <Available at CDS (J/MNRAS/481/918): table1.dat table2.dat>

Simbad objects: 189

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Number of rows : 189
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
4 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
5 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1498 4
6 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
7 NAME Whiting 1 GlC 02 02 56.8 -03 15 10           ~ 177 0
8 NAME Segue 2 G 02 19 16.0 +20 10 31     15.2     ~ 299 0
9 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
10 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 579 0
11 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 267 1
12 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 229 0
13 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
14 Cl Pal 2 GlC 04 46 05.79720 +31 22 51.0170           ~ 202 0
15 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
16 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
17 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 883 0
18 ESO 206-20A G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 1190 0
19 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 547 0
20 NAME CMa Dwarf Galaxy G 07 12.6 -27 40     -0.1     ~ 203 1
21 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
22 Koposov 2 GlC 07 58 17.00 +26 15 19.4           ~ 85 1
23 NAME UMa II Galaxy G 08 51 30.0 +63 07 48     13.3     ~ 410 0
24 NAME Pyxis Cluster GlC 09 07 57.80 -37 13 17.0           ~ 123 0
25 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
26 NAME E 3 GlC 09 20 57.07 -77 16 54.8           ~ 185 0
27 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 354 1
28 NAME Segue 1 G 10 07 03.2 +16 04 25     15.3     ~ 517 1
29 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
30 NAME Sextans dSph LSB 10 13 02.9 -01 36 53   12 10.4     ~ 921 0
31 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 1001 0
32 NAME UMa I Galaxy G 10 34 52.80 +51 55 12.0     14.4     ~ 355 1
33 NAME Willman 1 G 10 49 21.0 +51 03 00     15.2     ~ 345 0
34 Z 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
35 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 379 1
36 NAME Leo V LSB 11 31 09.60 +02 13 12.0     16.0     ~ 234 0
37 NAME Leo IV LSB 11 32 57.0 -00 32 00     15.1     ~ 419 1
38 Koposov 1 GlC 11 59 18.40 +12 15 35.8           ~ 81 0
39 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 616 0
40 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
41 NAME Coma Dwarf Galaxy G 12 26 59.0 +23 54 15     14.1     ~ 482 1
42 Cl Ruprecht 106 GlC 12 38 40.20 -51 09 01.0           ~ 413 0
43 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
44 NAME CVn II dSph G 12 57 09.6 +34 19 12     16.1     ~ 287 2
45 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 467 0
46 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 907 0
47 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 675 0
48 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
49 NAME CVn I dSph G 13 28 03.5 +33 33 21     13.1     ~ 352 1
50 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
51 NGC 5286 GlC 13 46 26.81 -51 22 27.3           ~ 485 0
52 C 1353-269 GlC 13 56 21.702 -27 10 03.00           ~ 146 0
53 NAME Bootes III G 13 57 07.4 +26 46 30     12.6     ~ 115 1
54 NAME Bootes II G 13 58 00.0 +12 51 00     15.4     ~ 269 0
55 NAME Bootes Dwarf Spheroidal Galaxy G 14 00 00.0 +14 30 00     12.8     ~ 491 0
56 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 887 0
57 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 333 0
58 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 323 0
59 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 375 0
60 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 441 0
61 Z 318-18 G 15 09 08.0 +67 13 21   13.60 10.6     ~ 1459 0
62 Cl Pal 5 GlC 15 16 05.30 -00 06 41.0   15.1       ~ 797 1
63 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 424 0
64 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
65 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 499 0
66 NGC 5946 GlC 15 35 28.58 -50 39 35.0           ~ 210 0
67 ESO 224-8 OpC 15 39 05.4 -50 03 02           ~ 77 0
68 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 408 0
69 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
70 Cl Lynga 7 OpC 16 11 03.65 -55 19 04.0           ~ 129 0
71 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 780 0
72 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
73 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 337 0
74 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 268 0
75 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 231 0
76 ESO 390-6 GlC 16 28 40.10 -35 21 13.0     12.0     ~ 113 0
77 NAME Hercules Dwarf Galaxy G 16 31 02.0 +12 47 30     14.0     ~ 379 1
78 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
79 ESO 452-11 GlC 16 39 25.50 -28 23 52.0           ~ 89 0
80 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
81 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 397 0
82 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
83 NAME 2MASS-GC03 GlC 16 52 10.602 -47 03 29.00           ~ 68 0
84 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 208 0
85 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
86 NGC 6256 GlC 16 59 32.68 -37 07 17.1           ~ 182 0
87 GCl 50 GlC 16 59 51.1 -00 32 00   15.70       ~ 224 1
88 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
89 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 406 1
90 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 302 0
91 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 240 0
92 NGC 6293 GlC 17 10 10.42 -26 34 54.2           ~ 309 0
93 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 394 0
94 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 247 0
95 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
96 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 190 0
97 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 348 0
98 Z 300-12 G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1428 1
99 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 310 0
100 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 372 1
101 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 183 0
102 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 425 0
103 IC 1257 Bz? 17 27 06.00 -07 05 00.0           ~ 110 0
104 ESO 454-29 GlC 17 27 33.24 -30 48 07.8           ~ 278 0
105 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 344 0
106 GCl 66.1 GlC 17 30 38.90 -31 35 44.0           ~ 139 0
107 ESO 455-11 GlC 17 31 05.20 -29 58 54.0           ~ 208 0
108 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 637 0
109 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 311 0
110 NGC 6380 GlC 17 34 28.00 -39 04 09.0           ~ 175 0
111 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 285 0
112 NAME Tonantzintla 2 GlC 17 36 10.500 -38 33 12.00           ~ 115 0
113 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
114 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 420 0
115 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 203 0
116 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
117 ESO 520-21 GlC 17 43 42.20 -26 13 21.0           ~ 211 0
118 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 244 0
119 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
120 NAME cl Djorgovski 1 GlC 17 47 28.30 -33 03 56.0           ~ 97 0
121 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
122 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
123 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
124 Cl Terzan 6 GlC 17 50 47.02873 -31 16 29.6900           ~ 214 0
125 NGC 6453 GlC 17 50 51.77 -34 35 55.1   10.49       ~ 189 0
126 NAME UKS 1 GlC 17 54 27.20 -24 08 43.0           ~ 118 0
127 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 251 0
128 GCl 80.1 GlC 18 01 38.80 -26 50 23.0           ~ 143 0
129 ESO 456-38 GlC 18 01 49.10 -27 49 33.0           ~ 120 0
130 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 215 0
131 ESO 521-16 GlC 18 02 57.40 -26 04 00.0           ~ 123 0
132 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
133 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 320 0
134 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
135 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 247 0
136 NGC 6540 GlC 18 06 08.60 -27 45 55.0           ~ 145 0
137 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 332 0
138 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 409 0
139 [HJK2000] GC01 GlC 18 08 21.8 -19 49 47           ~ 69 0
140 ESO 280-6 GlC 18 09 06.000 -46 25 24.00           ~ 74 0
141 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
142 NAME 2MASS-GC02 GlC 18 09 36.5 -20 46 44           ~ 67 0
143 NGC 6558 GlC 18 10 17.6 -31 45 50           ~ 265 0
144 IC 1276 GlC 18 10 44.26 -07 12 27.3           ~ 146 0
145 ESO 522-1 GlC 18 12 15.80 -22 44 31.0     14.86     ~ 114 1
146 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 276 0
147 ESO 456-78 GlC 18 14 06.600 -28 38 06.00           ~ 82 0
148 GLIMPSE C02 GlC 18 18 30.5 -16 58 38           ~ 20 0
149 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 317 0
150 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
151 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
152 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 258 0
153 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 492 0
154 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 240 0
155 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 474 0
156 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
157 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 130 0
158 M 70 GlC 18 43 12.76 -32 17 31.6           ~ 421 0
159 GLIMPSE C01 GlC 18 48 49.7 -01 29 50           ~ 60 0
160 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
161 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
162 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 273 0
163 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
164 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 543 0
165 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 178 0
166 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
167 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 264 0
168 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 455 0
169 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 460 0
170 GCl 111 GlC 19 18 02.10 +18 34 18.0           ~ 138 0
171 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 384 0
172 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
173 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 357 0
174 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 165 0
175 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
176 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 394 0
177 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 459 0
178 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 465 0
179 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 562 0
180 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
181 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
182 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
183 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 548 0
184 NAME Pisces II G 22 58 31.0 +05 57 09     16.3     ~ 283 0
185 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 307 1
186 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 330 0
187 NAME Galactic Bulge reg ~ ~           ~ 4794 0
188 NAME Monoceros Stream St* ~ ~           ~ 374 1
189 NAME Local Group GrG ~ ~           ~ 9325 0

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