2009MNRAS.392..113V

Query : 2009MNRAS.392..113V

2009MNRAS.392..113V - Mon. Not. R. Astron. Soc., 392, 113-124 (2009/January-1)

Detecting the effect of globular cluster impacts on the disc of the Milky Way.

VANDE PUTTE D. and CROPPER M.

Abstract (from CDS):

The crossing of the Galactic disc by a globular cluster (GC) could produce star formation due to gravitational focusing or compression of disc material. We report on simulations of the effect on disc material which reveal that the crossing can sometimes cause local gravitational focusing of disc material. We also present the salient points of a little-known paper by Levy, which shows that strong compression can result from the shock wave generated by GC disc crossing. The main thrust of our paper is a search for remnants of disc crossings by GCs. Using the gravitational potential of the Galaxy to locate the position of the most recent crossings of a subset of fifty-four GCs reveals that systematic errors and uncertainties in initial conditions limit the scope for unequivocal identification. From the subset of fifty-four, six possible search sites with the best constraints are retained for further scrutiny. Three of the six potentially promising search areas in the disc are from GCs NGC 3201, 6397 and 6838, for which we cannot rule out some observed star associations observed nearby as being remnants. The other three of the six areas are too large to provide meaningful identification of remnants. Also, a possible remnant (open cluster NGC 6231) is shown not to be due to GC impact, contrary to a previous report. In a more wide-ranging screening of 155 GCs, we identify which GCs are compatible with being responsible for the formation of any of the Galaxy's five most prominent star superclusters.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

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

CDS comments: In Table 10 : IC 4419 not identified

Simbad objects: 177

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Number of rows : 177
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 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
3 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
4 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 579 0
5 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 267 1
6 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 229 0
7 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
8 Cl Pal 2 GlC 04 46 05.79720 +31 22 51.0170           ~ 202 0
9 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
10 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 883 0
11 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 547 0
12 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
13 ESO 430-18 OpC 08 06.8 -30 50           ~ 19 0
14 Cl VDBH 19 OpC 08 07 04.3 -32 21 20           ~ 20 0
15 DSH J0807.1-3603 OpC 08 07 09.6 -36 03 40           ~ 17 0
16 Cl Ruprecht 54 OpC 08 11 22.4 -31 56 31           ~ 22 0
17 Cl Ruprecht 55 OpC 08 12 27 -32 35.0   8.14 7.8     ~ 55 1
18 NGC 2546 OpC 08 12 39.8 -37 39 34   6.46 6.3     ~ 125 0
19 Cl VDBH 23 OpC 08 14 02.5 -36 18 23           ~ 55 0
20 Cl Ruprecht 58 OpC 08 14 51.1 -31 56 23           ~ 26 0
21 Cl Haffner 26 OpC 08 15 35.7 -30 51 06           ~ 37 0
22 [KPR2005] 45 OpC 08 15 50 -35 39.0           ~ 15 0
23 [DBS2003] 16 Cl* 08 15 59 -36 08.4           ~ 2 0
24 Cl VDBH 24 OpC 08 18 18.8 -37 06 06   11.33 10.7     ~ 40 0
25 NGC 2588 OpC 08 23 12.4 -32 58 24     11.8     ~ 24 0
26 Cl Collinder 185 OpC 08 23 18.2 -36 21 31   8.21 7.8     ~ 49 0
27 NAME Pyxis Cluster GlC 09 07 57.80 -37 13 17.0           ~ 123 0
28 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
29 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 354 1
30 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 1001 0
31 Cl Westerlund 2 OpC 10 23 58.1 -57 45 49           ~ 400 0
32 NGC 3603 OpC 11 14 57.9 -61 14 32           ~ 1136 1
33 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 379 1
34 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 616 0
35 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
36 Cl Ruprecht 106 GlC 12 38 40.20 -51 09 01.0           ~ 413 0
37 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
38 NAME NGP reg 12 51 26.275 +27 07 41.70           ~ 1274 0
39 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 467 0
40 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 907 0
41 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 675 0
42 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
43 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
44 C 1353-269 GlC 13 56 21.702 -27 10 03.00           ~ 146 0
45 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 887 0
46 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 333 0
47 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 323 0
48 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 441 0
49 Cl Pal 5 GlC 15 16 05.30 -00 06 41.0   15.1       ~ 797 1
50 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 424 0
51 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
52 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 499 0
53 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 408 0
54 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
55 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 780 0
56 [DBS2003] 166 OpC 16 21 27 -50 00.7           ~ 7 0
57 [DBS2003] 165 Cl* 16 21 31 -50 25.1           ~ 5 0
58 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
59 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 268 0
60 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
61 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
62 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 397 0
63 Cl Westerlund 1 OpC 16 47 02.4 -45 51 07           ~ 655 1
64 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
65 NGC 6231 OpC 16 54 14.4 -41 48 53           ~ 562 0
66 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
67 GCl 50 GlC 16 59 51.1 -00 32 00   15.70       ~ 224 1
68 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
69 C 1702-366 OpC 17 05 42.00 -36 40 00.0           ~ 11 0
70 [DBS2003] 179 OpC 17 11 32.0 -39 10 38           ~ 41 0
71 Teutsch 85 OpC 17 13 14.2 -39 43 05           ~ 21 0
72 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 394 0
73 Teutsch 86 OpC 17 15 45.0 -38 43 32           ~ 3 0
74 C 1712-393 Cl* 17 16 04.2 -39 26 09           ~ 7 1
75 NGC 6318 OpC 17 16 10.7 -39 25 30     11.8     ~ 35 1
76 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 247 0
77 [DBS2003] 121 Cl* 17 17 01 -36 22.2           ~ 7 0
78 [DBS2003] 122 Cl* 17 17 02 -36 21.0           ~ 7 0
79 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
80 [DBS2003] 123 OpC 17 17 15 -36 20.3           ~ 11 0
81 Cl Bochum 13 OpC 17 17 17.7 -35 32 30   7.84 7.2     ~ 69 0
82 [DBS2003] 118 Cl* 17 18 24 -39 19.1           ~ 5 1
83 Cl VDBH 222 OpC 17 18 46.6 -38 17 20           ~ 31 0
84 [BDS2003] 99 OpC 17 18 59 -35 41.8           ~ 6 0
85 Cl HM 1 OpC 17 19 00 -38 49.0           ~ 52 0
86 NAME NGC 6334 FIR V Cl* 17 19 57 -35 57.5           ~ 99 0
87 NAME NGC 6334-VI Cl* 17 19 59 -36 09.7           ~ 6 0
88 [BDS2003] 97 OpC 17 20 03 -35 58.3           ~ 3 0
89 [BDS2003] 98 Cl* 17 20 03 -35 56.0           ~ 3 0
90 NAME NGC 6334-IV Cl* 17 20 17 -35 54.9           ~ 48 1
91 NAME NGC 6334-III Cl* 17 20 32 -35 51.5           ~ 25 1
92 Cl VDBH 223 OpC 17 20 41 -35 53.0           ~ 15 0
93 NAME NGC 6334-II Cl* 17 20 45 -35 49.4           ~ 31 1
94 NAME NGC 6334-I Cl* 17 20 53.35 -35 47 01.5           ~ 373 0
95 [DBS2003] 120 OpC 17 21 13.0 -37 45 29           ~ 7 0
96 [BDB2003] G351.61+00.17 Cl* 17 23 23.4 -35 53 44           ~ 5 0
97 Cl Ruprecht 123 OpC 17 23 31 -37 55.5           ~ 18 0
98 Cl Trumpler 25 OpC 17 24 30.0 -39 00 51     11.7     ~ 30 0
99 [BDS2003] 164 OpC 17 25 32 -36 22.0           ~ 8 0
100 IC 1257 Bz? 17 27 06.00 -07 05 00.0           ~ 110 0
101 C 1727-370 Cl* 17 30.8 -37 05     8.9     ~ 1 0
102 Cl Harvard 16 OpC 17 31 05.1 -36 48 38           ~ 25 0
103 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 637 0
104 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
105 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 244 0
106 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
107 NAME Arches Cluster Cl* 17 45 50.5 -28 49 28           ~ 792 0
108 NAME Quintuplet Cluster OpC 17 46 13.9 -28 49 48           ~ 561 0
109 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
110 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
111 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
112 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 317 0
113 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
114 [BDS2003] 119 Cl* 18 33 54 -08 07.5           ~ 3 0
115 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
116 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
117 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
118 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 543 0
119 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
120 DSH J1912.0+1716 OpC 19 12 05.7 +17 16 48           ~ 2 0
121 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 455 0
122 Cl Berkeley 44 OpC 19 17 15.4 +19 32 55           ~ 60 0
123 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 460 0
124 Cl Berkeley 45 OpC 19 19 06.3 +15 43 02           ~ 28 0
125 Cl Alessi 57 OpC 19 20 53.8 +15 40 36           ~ 8 0
126 [BDS2003] 138 Cl* 19 22 15 +14 03.5           ~ 3 0
127 [BDS2003] 139 Cl* 19 22 26 +14 06.9           ~ 8 0
128 [BDS2003] 140 Cl* 19 22 30 +14 11.0           ~ 3 0
129 [BDS2003] 141 Cl* 19 22 53 +14 09.4           ~ 7 0
130 [BDS2003] 142 Cl* 19 23 04 +14 28.1           ~ 3 0
131 [BDS2003] 143 Cl* 19 23 14 +14 27.5           ~ 6 0
132 NGC 6793 OpC 19 23 16.4 +22 08 54           ~ 53 0
133 [BDS2003] 144 Cl* 19 23 19 +14 29.4           ~ 3 0
134 [BDS2003] 145 Cl* 19 23 29 +14 31.7           ~ 3 0
135 [BDS2003] 147 Cl* 19 23 33 +14 29.8           ~ 3 0
136 [BDS2003] 146 Cl* 19 23 35 +14 32.0           ~ 3 0
137 [BDS2003] 152 Cl* 19 23 40 +14 31.2           ~ 3 0
138 [BDS2003] 148 Cl* 19 23 41 +14 29.2           ~ 3 0
139 [BDS2003] 150 Cl* 19 23 42 +14 30.8           ~ 2 0
140 NAME OB Cluster in W51 Cl* 19 23 43 +14 29.9           ~ 6 0
141 [BDS2003] 151 Cl* 19 23 43 +14 30.6           ~ 6 0
142 [BDS2003] 153 Cl* 19 23 48 +14 33.2           ~ 3 0
143 [BDS2003] 154 Cl* 19 23 51 +14 32.9           ~ 3 0
144 [BDS2003] 155 OpC 19 23 55 +14 35.7           ~ 3 0
145 Cl King 25 OpC 19 24 29.2 +13 41 19           ~ 22 0
146 [BDS2003] 13 Cl* 19 24 30 +20 47.5           ~ 7 0
147 Kronberger 13 OpC 19 25 14.9 +13 56 44           ~ 11 1
148 [BDS2003] 157 OpC 19 26 02 +16 20.2           ~ 7 0
149 Teutsch 26 OpC 19 26 06.1 +13 45 48           ~ 3 1
150 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 384 0
151 Cl King 26 OpC 19 28 57.3 +14 52 52           ~ 25 0
152 Teutsch 42 OpC 19 30 13.1 +18 32 09           ~ 21 0
153 [BDS2003] 12 Cl* 19 30 23 +18 20.8           ~ 4 0
154 NGC 6802 OpC 19 30 36.3 +20 15 42   10.07 8.8     ~ 115 0
155 [BDS2003] 156 OpC 19 31 43 +18 41.9           ~ 7 0
156 Kronberger 79 OpC 19 33 55.0 +18 31 12           ~ 15 0
157 Teutsch 27 OpC 19 37 21.7 +18 41 57           ~ 18 1
158 [KPR2005] 104 OpC 19 38 53 +18 41.4           ~ 20 0
159 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
160 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 357 0
161 DSH J1942.3+1939 OpC 19 42 18.0 +19 39 42           ~ 2 0
162 Cl Czernik 40 OpC 19 42 41.3 +21 09 29           ~ 22 0
163 DSH J1942.8+1530 OpC 19 42 53.0 +15 30 34           ~ 2 0
164 Cl Roslund 1 OpC 19 45.0 +17 31           ~ 24 0
165 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 165 0
166 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
167 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 394 0
168 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 459 0
169 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 465 0
170 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 562 0
171 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
172 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
173 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
174 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 548 0
175 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 307 1
176 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 330 0
177 NAME Gould Belt PoG ~ ~           ~ 956 1

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