2018MNRAS.473.4900V


Query : 2018MNRAS.473.4900V

2018MNRAS.473.4900V - Mon. Not. R. Astron. Soc., 473, 4900-4925 (2018/February-1)

Milky Way globular cluster metallicity and low-mass X-ray binaries: the red giant influence.

VULIC N., BARMBY P. and GALLAGHER S.C.

Abstract (from CDS):

Galactic and extragalactic studies have shown that metal-rich globular clusters (GCs) are approximately three times more likely to host bright low-mass X-ray binaries (LMXBs) than metal-poor GCs. There is no satisfactory explanation for this metallicity effect. We tested the hypothesis that the number density of red giant branch (RGB) stars is larger in metal-rich GCs, and thus potentially the cause of the metallicity effect. Using Hubble Space Telescope photometry for 109 unique Milky Way GCs, we investigated whether RGB star density was correlated with GC metallicity. Isochrone fitting was used to calculate the number of RGB stars, which were normalized by the GC mass and fraction of observed GC luminosity, and determined density using the volume at the half-light radius (rh). The RGB star number density was weakly correlated with metallicity [Fe/H], giving Spearman and Kendall Rank test p-values of 0.000 16 and 0.000 21 and coefficients rs = 0.35 and τ = 0.24, respectively. This correlation may be biased by a possible dependence of rh on [Fe/H], although studies have shown that rh is correlated with Galactocentric distance and independent of [Fe/H]. The dynamical origin of the rh-metallicity correlation (tidal stripping) suggests that metal-rich GCs may have had more active dynamical histories, which would promote LMXB formation. No correlation between the RGB star number density and metallicity was found when using only the GCs that hosted quiescent LMXBs. A complete census of quiescent LMXBs in our Galaxy is needed to further probe the metallicity effect, which will be possible with the upcoming launch of eROSITA.

Abstract Copyright: © 2017 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): Hertzsprung-Russell and colour-magnitude diagrams - globular clusters: general - galaxies: individual - X-rays: binaries

Simbad objects: 114

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Number of rows : 114
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3736 0
2 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11880 1
3 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 988 0
4 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1016 0
5 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 473 0
6 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 224 1
7 NGC 1399 BiC 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1515 1
8 Cl Pal 2 GlC 04 46 05.91 +31 22 53.4   15       ~ 161 0
9 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1335 0
10 M 79 GlC 05 24 10.59 -24 31 27.3   9.21 8.16     ~ 766 0
11 NGC 2298 GlC 06 48 59.41 -36 00 19.1   10.77 8.89     ~ 462 0
12 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 881 0
13 NAME PYX GLOBULAR CL GlC 09 07 57.80 -37 13 17.0           ~ 93 0
14 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1340 0
15 NAME E 3 GlC 09 20 57.07 -77 16 54.8           ~ 150 0
16 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 801 0
17 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 539 0
18 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 284 0
19 C 1235-509 GlC 12 38 40.20 -51 09 01.0           ~ 346 0
20 M 68 GlC 12 39 27.98 -26 44 38.6   10.26 7.96     ~ 939 0
21 NGC 4833 GlC 12 59 33.92 -70 52 35.4   8.72 7.79     ~ 384 0
22 M 53 GlC 13 12 55.25 +18 10 05.4   8.95 7.79     ~ 776 0
23 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 580 0
24 NGC 5139 GlC 13 26 47.28 -47 28 46.1   6.12 5.33     ~ 3252 0
25 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2378 0
26 NGC 5286 GlC 13 46 26.81 -51 22 27.3   9.18 8.31     ~ 405 0
27 NGC 5466 GlC 14 05 27.29 +28 32 04.0   10.5 9.70     ~ 781 0
28 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 279 0
29 NGC 5694 GlC 14 39 36.52 -26 32 18.0   11.58 10.89     ~ 284 0
30 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 329 0
31 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 379 0
32 M 5 GlC 15 18 33.22 +02 04 51.7   7.34 5.95     ~ 1879 0
33 NGC 5927 GlC 15 28 00.69 -50 40 22.9   10.13 8.86     ~ 432 0
34 NGC 5946 GlC 15 35 28.58 -50 39 35.0   11.98 10.72     ~ 179 0
35 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 339 0
36 Cl Lynga 7 GlC 16 11 03.65 -55 19 04.0           ~ 102 0
37 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 671 0
38 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1766 0
39 NGC 6101 GlC 16 25 48.12 -72 12 07.9   10.90 10.08     ~ 266 0
40 NGC 6144 GlC 16 27 13.86 -26 01 24.6   10.55 9.63     ~ 224 0
41 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 195 0
42 M 107 GlC 16 32 31.86 -13 03 13.6   9.96 8.85     ~ 750 0
43 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2107 0
44 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 343 0
45 M 12 GlC 16 47 14.18 -01 56 54.7   8.52 6.07     ~ 627 0
46 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 173 0
47 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 745 0
48 NGC 6256 GlC 16 59 32.68 -37 07 17.1           ~ 137 0
49 GCl 50 GlC 16 59 51.1 -00 32 00   15.70       ~ 181 1
50 M 62 GlC 17 01 12.60 -30 06 44.5   8.55 7.39     ~ 563 0
51 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 344 1
52 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 259 0
53 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 209 0
54 NGC 6293 GlC 17 10 10.42 -26 34 54.2   9.96 9.02     ~ 259 0
55 NGC 6304 GlC 17 14 32.25 -29 27 43.3   10.33 9.03     ~ 330 0
56 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 194 0
57 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2001 0
58 NGC 6325 GlC 17 17 59.27 -23 45 57.7   11.49       ~ 159 0
59 NGC 6342 GlC 17 21 10.14 -19 35 14.7   11.25 10.01     ~ 267 0
60 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 334 1
61 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 141 0
62 NGC 6352 GlC 17 25 29.11 -48 25 19.8   9.95 8.87     ~ 369 0
63 IC 1257 Bz? 17 27 06.00 -07 05 00.0           ~ 69 0
64 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 285 0
65 NGC 6362 GlC 17 31 54.99 -67 02 54.0   9.72 8.86     ~ 537 0
66 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 232 0
67 NGC 6380 GlC 17 34 28.00 -39 04 09.0           ~ 121 0
68 NGC 6388 GlC 17 36 17.461 -44 44 08.34   7.40       ~ 865 1
69 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 350 0
70 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 153 0
71 NGC 6397 GlC 17 40 42.09 -53 40 27.6   7.39 5.17     ~ 1885 1
72 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 204 0
73 NGC 6440 GlC 17 48 52.67 -20 21 34.5   12.01 10.10     ~ 508 1
74 NGC 6441 GlC 17 50 13.06 -37 03 05.2   9.26 8.00     ~ 830 0
75 NGC 6453 GlC 17 50 51.77 -34 35 55.1   10.49       ~ 151 0
76 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 206 0
77 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 161 0
78 NGC 6522 GlC 18 03 34.08 -30 02 02.3   10.68 9.48     ~ 497 1
79 NGC 6535 GlC 18 03 50.51 -00 17 51.5   11.35 9.85     ~ 269 0
80 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 208 0
81 NGC 6540 GlC 18 06 08.60 -27 45 55.0           ~ 106 0
82 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 267 0
83 NGC 6541 GlC 18 08 02.36 -43 42 53.6   8.06 7.32     ~ 348 1
84 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 216 0
85 NGC 6584 GlC 18 18 37.60 -52 12 56.8   10.32 8.17     ~ 265 0
86 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 827 1
87 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 216 0
88 M 69 GlC 18 31 23.10 -32 20 53.1   9.32 8.31     ~ 438 1
89 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 183 0
90 NGC 6652 GlC 18 35 45.63 -32 59 26.6   10.64 9.75     ~ 393 0
91 M 22 GlC 18 36 23.94 -23 54 17.1   7.16 6.17     ~ 1300 0
92 M 70 GlC 18 43 12.76 -32 17 31.6   9.76 9.06     ~ 355 0
93 NGC 6712 GlC 18 53 04.32 -08 42 21.5   9.85 8.69     ~ 494 0
94 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1003 0
95 NGC 6717 GlC 18 55 06.04 -22 42 05.3   11.29 10.35     ~ 222 0
96 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 469 0
97 NGC 6752 GlC 19 10 52.11 -59 59 04.4   6.96 6.28     ~ 1902 0
98 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 220 0
99 M 56 GlC 19 16 35.57 +30 11 00.5   8.90       ~ 393 0
100 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 401 0
101 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 333 0
102 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 810 0
103 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 295 0
104 M 71 GlC 19 53 46.49 +18 46 45.1   7.91 6.1     ~ 1076 0
105 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 341 0
106 NGC 6934 GlC 20 34 11.37 +07 24 16.1   10.48 9.75     ~ 390 0
107 M 72 GlC 20 53 27.70 -12 32 14.3   9.95 8.96     ~ 394 0
108 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 505 0
109 CXOU J212958.1+121002 XB* 21 29 58.06 +12 10 02.6     16.6     ~ 70 1
110 4U 2129+12 LXB 21 29 58.3124 +12 10 02.670 14.50 15.70 15.8     ~ 306 1
111 M 15 GlC 21 29 58.33 +12 10 01.2   3       ~ 3029 0
112 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 968 1
113 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 983 0
114 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 491 0

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2022.08.10-06:15:51

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