2011A&A...533A..33Z

Query : 2011A&A...533A..33Z

2011A&A...533A..33Z - Astronomy and Astrophysics, volume 533A33-33 (2011/9-1)

Luminosity functions of LMXBs in different stellar environments.

ZHANG Z., GILFANOV M., VOSS R., SIVAKOFF G.R., KRAFT R.P., BRASSINGTON N.J., KUNDU A., JORDAN A. and SARAZIN C.

Abstract (from CDS):

Based on the archival data from the Chandra observations of nearby galaxies, we study different sub populations of low-mass X-ray binaries (LMXBs) - dynamically formed systems in globular clusters (GCs) and in the nucleus of M31 and (presumably primordial) X-ray binaries in the fields of galaxies. Our aim is to produce accurate luminosity distributions of X-ray binaries in different environments, suitable for quantitative comparison with each other and with the output of population synthesis calculations. Our sample includes seven nearby galaxies (M31, Maffei 1, Centaurus A, M81, NGC 3379, NGC 4697, and NGC 4278) and the Milky Way, which together provide relatively uniform coverage down to the luminosity limit of 1035erg/s. In total we have detected 185 LMXBs associated with GCs, 35 X-ray sources in the nucleus of M31, and 998 field sources of which ∼365 are expected to be background AGN. We combine these data, taking special care to accurately account for X-ray and optical incompleteness corrections and the removal of the contamination from the cosmic X-ray background sources, to produce luminosity distributions of X-ray binaries in different environments to far greater accuracy than has been obtained previously. We found that luminosity distributions of GC and field LMXBs differ throughout the entire luminosity range, the fraction of faint (log(LX)<37) sources among the former being ∼4 times less than in the field population. The X-ray luminosity function (XLF) of sources in the nucleus of M31 is similar to that of GC sources at the faint end but differs at the bright end, with the M31 nucleus hosting significantly fewer bright sources. We discuss the possible origin and potential implications of these results.

Abstract Copyright: ∼

Journal keyword(s): X-rays: binaries - globular clusters: general

VizieR on-line data: <Available at CDS (J/A+A/533/A33): table2.dat table6.dat>

Nomenclature: Table 6: [ZGV2011] NNN (Nos 1-185).

Simbad objects: 195

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Number of rows : 195
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 CXOM31 J004209.4+411744 LXB 00 42 09.5 +41 17 44           ~ 6 0
2 CXOM31 J004212.0+411757 LXB 00 42 12.1 +41 17 58           ~ 6 0
3 C84 15 LXB 00 42 15.7 +41 01 15           ~ 8 0
4 RX J0042.3+4113 LXB 00 42 18.6 +41 14 02           ~ 6 0
5 RX J0042.4+4057 LXB 00 42 25.04 +40 57 18.8           ~ 2 0
6 [BGM2013] BHC 4 LXB 00 42 26.05 +41 19 14.8           ~ 3 0
7 CXOM31 J004227.4+405936 LXB 00 42 27.4 +40 59 35           ~ 2 0
8 [ZGV2011] 13 LXB 00 42 29.64 +41 17 57.3           ~ 1 0
9 RX J004231.2+411934 LXB 00 42 31.2 +41 19 38           ~ 6 0
10 [ZGV2011] 24 LXB 00 42 33.10 +41 03 29.9           ~ 1 0
11 XMMM31 J004234.4+405708 LXB 00 42 34.4 +40 57 08           ~ 3 0
12 CXOM31 J004240.6+411031 LXB 00 42 40.7 +41 10 33           ~ 5 0
13 C84 51 LXB 00 42 41.5 +41 15 24           ~ 4 0
14 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
15 1RXH J004247.8+411107 LXB 00 42 47.8 +41 11 13           ~ 3 0
16 [ZGV2011] 14 LXB 00 42 50.86 +41 10 33.7           ~ 1 0
17 2XMM J004259.5+411919 LXB 00 42 59.6 +41 19 19           ~ 4 0
18 XMMM31 J004259.9+411605 LXB 00 42 59.9 +41 16 05           ~ 4 0
19 [BGM2013] BHC 26 LXB 00 43 02.9280938040 +41 15 22.535439336           ~ 3 0
20 XMMM31 J004303.2+412121 LXB 00 43 03.2 +41 21 21           ~ 2 0
21 XMMM31 J004303.8+411805 LXB 00 43 03.8 +41 18 05           ~ 4 0
22 CXOM31 J004307.5+412019 LXB 00 43 07.4 +41 20 19           ~ 4 0
23 XMMM31 J004310.6+411451 LXB 00 43 10.6 +41 14 51           ~ 4 0
24 CXOM31 J004314.3+410721 LXB 00 43 14.38 +41 07 21.4           ~ 3 0
25 RX J0043.2+4125 LXB 00 43 14.5 +41 25 14           ~ 5 0
26 [ZGV2011] 18 LXB 00 43 15.48 +41 11 25.7           ~ 1 0
27 XMMM31 J004337.2+411444 LXB 00 43 37.2 +41 14 44           ~ 5 0
28 [ZGV2011] 96 LXB 02 36 26.03 +59 39 06.9           ~ 1 0
29 [ZGV2011] 95 LXB 02 36 30.84 +59 39 34.7           ~ 1 0
30 UGCA 34 GiG 02 36 35.4662282832 +59 39 17.507008584   17       ~ 198 2
31 [ZGV2011] 97 LXB 02 36 36.50 +59 38 42.0           ~ 1 0
32 [ZGV2011] 94 LXB 02 36 37.26 +59 39 15.5           ~ 1 0
33 4U 0513-40 LXB 05 14 06.59 -40 02 37.0           ~ 176 1
34 [ZGV2011] 89 LXB 09 55 22.0340597352 +69 05 18.881263284           ~ 2 0
35 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
36 [SGM2003] 127 LXB 09 55 37.260 +69 02 07.57     18.41     ~ 3 0
37 [ZGV2011] 91 LXB 09 55 47.00 +69 05 51.1           ~ 1 0
38 CXO J095549.7+690531 LXB 09 55 49.7917670976 +69 05 31.963477596   22.04 20.77   19.92 ~ 16 0
39 [SGM2003] 148 LXB 09 55 51.970 +69 07 39.18     18.81     ~ 5 0
40 2MASS J09555496+6900557 LXB 09 55 54.9299206080 +69 00 56.079674784           ~ 2 0
41 [SPZ2011] 151 LXB 09 55 58.542 +69 05 26.07     26.37     ~ 4 0
42 [ZGV2011] 86 LXB 09 56 05.4051343488 +69 06 42.999704712           ~ 2 0
43 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1504 0
44 [ZGV2011] 105 LXB 10 47 50.19 +12 34 55.3           ~ 5 0
45 [CHP2004] J104750.3+123506 LXB 10 47 50.33 +12 35 06.6           ~ 2 0
46 [CHP2004] J104750.5+123437 LXB 10 47 50.4541733592 +12 34 36.944076648           ~ 2 0
47 [ZGV2011] 98 LXB 10 47 50.47 +12 34 23.1           ~ 1 0
48 [CHP2004] J104751.1+123549 LXB 10 47 51.0628422984 +12 35 49.195249296           ~ 2 0
49 [ZGV2011] 99 LXB 10 47 51.57 +12 35 36.0           ~ 3 0
50 [ZGV2011] 106 LXB 10 47 52.65 +12 33 38.0           ~ 5 0
51 [BFK2008] 41 LXB 10 47 52.7649578016 +12 35 08.520831708           ~ 4 0
52 [ZGV2011] 100 LXB 10 47 54.20 +12 35 29.5           ~ 1 0
53 [ZGV2011] 162 LXB 12 20 00.2735082312 +29 18 12.209894316           ~ 1 0
54 [ZGV2011] 169 LXB 12 20 00.32 +29 17 05.1           ~ 1 0
55 [ZGV2011] 150 LXB 12 20 00.37 +29 17 22.1           ~ 1 0
56 [ZGV2011] 147 LXB 12 20 00.39 +29 17 46.4           ~ 1 0
57 [ZGV2011] 156 LXB 12 20 01.08 +29 17 23.5           ~ 1 0
58 [ZGV2011] 163 LXB 12 20 01.85 +29 17 58.3           ~ 1 0
59 [ZGV2011] 165 LXB 12 20 02.00 +29 17 29.8           ~ 1 0
60 [ZGV2011] 154 LXB 12 20 02.49 +29 16 24.6           ~ 1 0
61 [ZGV2011] 149 LXB 12 20 02.9665675632 +29 18 14.583697740           ~ 1 0
62 [BFK2009] 194 LXB 12 20 03.44 +29 16 39.6           ~ 3 0
63 [ZGV2011] 153 LXB 12 20 03.54 +29 16 17.5           ~ 1 0
64 [ZGV2011] 166 LXB 12 20 03.73 +29 16 29.8           ~ 1 0
65 [ZGV2011] 170 LXB 12 20 03.77 +29 16 09.7           ~ 1 0
66 [ZGV2011] 173 LXB 12 20 04.11 +29 16 15.3           ~ 1 0
67 [BFK2009] 185 LXB 12 20 04.23 +29 16 51.5           ~ 3 0
68 [ZGV2011] 168 LXB 12 20 04.53 +29 16 12.2           ~ 1 0
69 [ZGV2011] 146 LXB 12 20 04.55 +29 18 19.3           ~ 1 0
70 [BFK2009] 174 LXB 12 20 04.5920147856 +29 16 15.365541000           ~ 3 0
71 [ZGV2011] 148 LXB 12 20 04.70 +29 16 07.5           ~ 1 0
72 [ZGV2011] 152 LXB 12 20 04.87 +29 16 01.7           ~ 1 0
73 [ZGV2011] 159 LXB 12 20 05.07 +29 17 15.5           ~ 1 0
74 [ZGV2011] 151 LXB 12 20 05.24 +29 16 01.5           ~ 1 0
75 [ZGV2011] 182 LXB 12 20 05.24 +29 16 40.0           ~ 3 0
76 [ZGV2011] 164 LXB 12 20 05.24 +29 16 52.8           ~ 1 0
77 [ZGV2011] 177 LXB 12 20 05.7008184168 +29 16 49.954742292           ~ 1 0
78 [ZGV2011] 155 LXB 12 20 05.89 +29 18 21.3           ~ 1 0
79 [ZGV2011] 179 LXB 12 20 05.95 +29 17 08.9           ~ 1 0
80 [ZGV2011] 160 LXB 12 20 06.33 +29 17 10.1           ~ 1 0
81 [ZGV2011] 181 LXB 12 20 06.82 +29 16 36.7           ~ 1 0
82 NGC 4278 LIN 12 20 06.8242 +29 16 50.722 11.54 11.09 10.16     ~ 988 2
83 [ZGV2011] 167 LXB 12 20 07.16 +29 17 38.7           ~ 1 0
84 [ZGV2011] 180 LXB 12 20 07.71 +29 16 44.1           ~ 1 0
85 [BFK2009] 96 LXB 12 20 07.76 +29 17 20.5           ~ 3 0
86 [ZGV2011] 171 LXB 12 20 08.04 +29 16 42.1           ~ 1 0
87 [ZGV2011] 174 LXB 12 20 08.07 +29 16 43.6           ~ 1 0
88 [ZGV2011] 178 LXB 12 20 08.138 +29 17 17.10           ~ 3 0
89 [ZGV2011] 161 LXB 12 20 08.14 +29 16 59.8           ~ 1 0
90 [ZGV2011] 176 LXB 12 20 08.39 +29 17 16.9           ~ 1 0
91 [ZGV2011] 175 LXB 12 20 08.8469953752 +29 17 28.968155340           ~ 1 0
92 [ZGV2011] 172 LXB 12 20 09.15 +29 17 58.0           ~ 1 0
93 [ZGV2011] 158 LXB 12 20 09.9471300336 +29 17 40.507399032           ~ 1 0
94 [CHP2004] J124826.1-054730 LXB 12 48 26.16 -05 47 29.5           ~ 2 0
95 [ZGV2011] 111 LXB 12 48 26.52 -05 47 24.9           ~ 1 0
96 [CHP2004] J124827.0-054926 LXB 12 48 27.03 -05 49 25.3           ~ 2 0
97 [ZGV2011] 116 LXB 12 48 28.04 -05 48 32.7           ~ 1 0
98 [ZGV2011] 109 LXB 12 48 29.13 -05 48 22.1           ~ 1 0
99 [CHP2004] J124830.8-054837 LXB 12 48 30.83 -05 48 36.9           ~ 2 0
100 [CHP2004] J124831.0-054829 LXB 12 48 31.1044186128 -05 48 28.680745824           ~ 5 1
101 [SIB2001] 47 LXB 12 48 31.73 -05 48 46.7           ~ 3 0
102 [SIB2001] 46 LXB 12 48 31.8572780976 -05 48 38.385807696           ~ 3 0
103 [ISB2000] 4 LXB 12 48 32.6612994976 -05 48 51.101238909           ~ 4 0
104 [ZGV2011] 107 LXB 12 48 32.94 -05 47 04.0           ~ 1 0
105 [ZGV2011] 126 LXB 12 48 33.1954036512 -05 49 12.899286480           ~ 1 0
106 [ZGV2011] 144 LXB 12 48 33.21 -05 47 41.9           ~ 6 0
107 [ZGV2011] 108 LXB 12 48 33.63 -05 48 49.2           ~ 1 0
108 [SIB2001] 33 LXB 12 48 33.9557481528 -05 48 34.394989644           ~ 3 0
109 [ZGV2011] 110 LXB 12 48 34.64 -05 47 27.6           ~ 1 0
110 [ZGV2011] 114 LXB 12 48 34.68 -05 48 14.8           ~ 1 0
111 [ZGV2011] 112 LXB 12 48 35.7708374568 -05 47 41.609973768           ~ 1 0
112 [ZGV2011] 120 LXB 12 48 35.8018360224 -05 46 40.455689664           ~ 1 0
113 NGC 4697 GiG 12 48 35.8981498824 -05 48 02.482374564   10.97   9.83   ~ 895 0
114 [CHP2004] J124835.9-054552 LXB 12 48 35.95 -05 45 51.8           ~ 2 0
115 [ZGV2011] 138 LXB 12 48 35.97 -05 47 56.6           ~ 3 0
116 [SIB2001] 25 GlC 12 48 36.1087611552 -05 48 33.512709132           ~ 4 0
117 [ZGV2011] 140 LXB 12 48 36.72 -05 47 31.9           ~ 4 0
118 [SIB2001] 15 LXB 12 48 36.95 -05 48 10.8           ~ 3 0
119 [ZGV2011] 122 LXB 12 48 36.970 -05 47 32.61           ~ 1 0
120 2MASS J12483692-0548007 LXB 12 48 36.9794767848 -05 48 01.010269620           ~ 3 0
121 [ZGV2011] 115 LXB 12 48 37.16 -05 48 30.3           ~ 1 0
122 [SIB2001] 24 LXB 12 48 37.51 -05 47 43.4           ~ 3 0
123 [ZGV2011] 113 LXB 12 48 37.60 -05 47 49.8           ~ 1 0
124 [ZGV2011] 119 LXB 12 48 37.71 -05 47 29.3           ~ 3 0
125 [SIB2001] 48 LXB 12 48 37.87 -05 46 52.8           ~ 4 1
126 [SIB2001] 35 LXB 12 48 38.67 -05 47 46.9           ~ 3 0
127 [ZGV2011] 145 LXB 12 48 39.32 -05 48 07.2           ~ 6 0
128 [SIB2001] 42 LXB 12 48 39.3771346392 -05 47 30.315931260           ~ 3 0
129 [FAB2017] NGC4697 S27 GlC 12 48 40.8708045600 -05 48 22.870825740           ~ 5 0
130 [SIB2001] 51 LXB 12 48 40.9324067088 -05 47 31.303714704           ~ 3 0
131 [CHP2004] J124841.5-054737 LXB 12 48 41.50 -05 47 37.2           ~ 2 0
132 [ZGV2011] 118 LXB 12 48 41.66 -05 48 47.0           ~ 1 0
133 [SIB2001] 70 LXB 12 48 46.55 -05 48 12.0           ~ 3 0
134 [ZGV2011] 47 LXB 13 24 49.1549722656 -43 05 12.151190976           ~ 1 0
135 [ZGV2011] 55 LXB 13 24 50.4561450528 -43 04 51.130837056           ~ 1 0
136 [ZGV2011] 50 LXB 13 24 58.08 -42 56 10.3           ~ 1 0
137 RX J132502.8-430242 LXB 13 25 02.64 -43 02 43.1           ~ 5 0
138 [CHP2004] J132503.0-425625 LXB 13 25 03.0 -42 56 25           ~ 2 0
139 [CHP2004] J132505.0-430133 LXB 13 25 05.0209126848 -43 01 33.427052580           ~ 3 0
140 [KKF2001] 22 LXB 13 25 05.750 -43 10 31.51   19.02 18.00     ~ 3 0
141 CXOU J132507.7-430114 LXB 13 25 07.66 -43 01 16.0           ~ 8 0
142 [ZGV2011] 77 LXB 13 25 09.1826635608 -42 58 59.174762052           ~ 1 0
143 [ZGV2011] 73 LXB 13 25 10.2379074816 -42 55 09.537130416           ~ 1 0
144 [ZGV2011] 78 LXB 13 25 10.2570229200 -42 53 33.017667828           ~ 1 0
145 [KKF2001] 36 LXB 13 25 10.56 -43 06 24.1           ~ 2 0
146 [ZGV2011] 40 LXB 13 25 11.0527566096 -43 01 31.994667156           ~ 1 0
147 [KKF2001] 41 LXB 13 25 11.9732877384 -42 57 13.263234336   19.96 19.09     ~ 6 0
148 [LB2005] NGC 5128 X5 LXB 13 25 12.8925570888 -43 01 14.461500396   21.17 20.00     ~ 6 0
149 [ZGV2011] 51 LXB 13 25 14.16 -43 02 42.7   21.20 20.40     ~ 4 0
150 [ZGV2011] 42 LXB 13 25 14.88 -43 00 49.0           ~ 1 0
151 [ZGV2011] 69 LXB 13 25 18.5019321888 -43 01 16.076648028           ~ 1 0
152 [ZGV2011] 72 LXB 13 25 19.92 -43 03 09.7   21.31 20.19     ~ 6 0
153 [ZGV2011] 52 LXB 13 25 22.08 -43 02 45.2           ~ 1 0
154 [ZGV2011] 48 LXB 13 25 27.60 -43 05 24.7           ~ 1 0
155 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
156 [ZGV2011] 62 LXB 13 25 28.08 -43 04 01.9           ~ 1 0
157 [ZGV2011] 41 LXB 13 25 29.2440212544 -42 57 47.149184628           ~ 1 0
158 [ZGV2011] 53 LXB 13 25 30.2770146048 -42 59 34.770372108           ~ 1 0
159 [CHP2004] J132531.6-430003 LXB 13 25 31.610 -43 00 03.06           ~ 3 0
160 [KKF2001] 126 LXB 13 25 32.40 -43 04 40.4           ~ 2 0
161 CXOU J132532.4-425851 GlC 13 25 32.4107952984 -42 58 50.114330616 20.44 19.86 18.86 18.24 17.64 ~ 18 0
162 2MASS J13253282-4256247 LXB 13 25 32.7943454208 -42 56 24.336937068           ~ 1 0
163 [CHP2004] J132532.9-430430 LXB 13 25 32.920 -43 04 29.81           ~ 3 0
164 [ZGV2011] 81 LXB 13 25 35.28 -42 53 01.0           ~ 1 0
165 [HGH2004] 201.39711-43.09140 LXB 13 25 35.350 -43 05 29.37           ~ 4 0
166 [ZGV2011] 76 LXB 13 25 35.4898372536 -42 59 35.208474468           ~ 1 0
167 [ZGV2011] 56 LXB 13 25 38.40 -42 57 19.8           ~ 1 0
168 [CHP2004] J132539.9-430502 LXB 13 25 39.890 -43 05 02.04           ~ 3 0
169 [ZGV2011] 39 LXB 13 25 41.76 -42 57 00.0           ~ 1 0
170 [ZGV2011] 85 LXB 13 25 42.00 -43 10 41.5           ~ 1 0
171 [ZGV2011] 43 LXB 13 25 42.0750913320 -43 03 19.461390876   21.05 20.14     ~ 4 0
172 [CHP2004] J132543.2-425838 GlC 13 25 43.2127484136 -42 58 37.341784488 21.13 20.46 19.42 18.83 18.18 ~ 12 0
173 [CHP2004] J132546.5-425703 LXB 13 25 46.590 -42 57 02.69           ~ 3 0
174 2MASS J13255272-4305464 LXB 13 25 52.7266111104 -43 05 46.501781856           ~ 1 0
175 CXOU J132554.5-425924 GlC 13 25 54.5684562024 -42 59 25.329473880 18.92 18.29 17.22 16.62 15.95 ~ 49 0
176 [ZGV2011] 44 LXB 13 25 58.32 -43 08 06.7           ~ 1 0
177 [ZGV2011] 74 LXB 13 26 00.7891847184 -43 09 40.097787516           ~ 1 0
178 [CHP2004] J132605.4-425632 LXB 13 26 05.390 -42 56 32.22           ~ 3 0
179 [ZGV2011] 58 LXB 13 26 07.68 -42 52 01.6           ~ 1 0
180 [CHP2004] J132610.6-425343 LXB 13 26 10.580 -42 53 42.78           ~ 3 0
181 [CHP2004] J132619.7-430319 LXB 13 26 19.740 -43 03 18.62           ~ 3 0
182 4U 1722-30 LXB 17 27 33.25 -30 48 07.4     12.50     ~ 278 1
183 [ZGV2011] 9 LXB 17 33 24.06 -33 23 16.2           ~ 3 0
184 [ZGV2011] 1 LXB 17 35 47.64 -30 28 55.7           ~ 3 0
185 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
186 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
187 [ZGV2011] 3 LXB 17 48 53.54 -20 22 02.0           ~ 3 0
188 [ZGV2011] 6 LXB 17 48 55.73 -24 53 40.1           ~ 3 0
189 4U 1746-371 LXB 17 50 12.66 -37 03 08.2     8.43     ~ 206 1
190 [ZGV2011] 5 LXB 17 50 45.54 -31 17 32.5           ~ 3 0
191 X Sgr X-4 LXB 18 23 40.57 -30 21 40.6   19.06 18.81     ~ 1056 1
192 [ZGV2011] 4 LXB 18 35 44.00 -32 58 55.4           ~ 3 0
193 4U 1850-086 LXB 18 53 04.89 -08 42 19.7 20.40 21.20 21.0     ~ 266 1
194 4U 2129+12 LXB 21 29 58.3124 +12 10 02.670 14.50 15.70 15.8     ~ 326 1
195 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0

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