2008ApJ...685..958A

Query : 2008ApJ...685..958A

2008ApJ...685..958A - Astrophys. J., 685, 958-970 (2008/October-1)

Comparison of 3.6-8.0 µm Spitzer/IRAC Galactic Center survey point sources with Chandra X-ray point sources in the central 40x40 parsecs.

ARENDT R.G., GEZARI D.Y., STOLOVY S.R., SELLGREN K., SMITH R., RAMIREZ S.V., YUSEF-ZADEH F., LAW C.J., SMITH H.A., COTERA A.S. and MOSELEY S.H.

Abstract (from CDS):

We have studied the correlation between 2357 Chandra X-ray point sources in a 40x40 pc field and ∼20,000 infrared sources we observed in the corresponding subset of our 2°x1.4° Spitzer/IRAC Galactic Center Survey at 3.6-8.0 µm, using various spatial and X-ray hardness thresholds. The correlation was determined for source separations of less than 0.5", 1", or 2". Only the soft X-ray sources show any correlation with infrared point sources on these scales, and that correlation is very weak. The upper limit on hard X-ray sources that have infrared counterparts is <1.7% (3 σ). However, because of the confusion limit of the IR catalog, we only detect IR sources with absolute magnitudes ≲1. As a result, a stronger correlation with fainter sources cannot be ruled out. Only one compact IR source, IRS 13, coincides with any of the dozen prominent X-ray emission features in the 3x3 pc region centered on Sgr A*, and the diffuse X-ray and IR emission around Sgr A* seems to be anticorrelated on a few-arcsecond scale. We compare our results with previous identifications of near-infrared companions to Chandra X-ray sources.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: Center - Infrared: Stars - X-Rays: Binaries

VizieR on-line data: <Available at CDS (J/ApJ/685/958): table7.dat>

Simbad objects: 122

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Number of rows : 122
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 NAME Sgr A Region reg 17 45 12 -28 48.3           ~ 955 0
2 CXOGC J174519.7-290146 X 17 45 19.71 -29 01 46.1           ~ 2 0
3 CXOGC J174520.0-290246 X 17 45 20.10 -29 02 46.3           ~ 2 0
4 CXOGC J174521.0-290221 X 17 45 20.98 -29 02 21.2           ~ 3 0
5 CXOGC J174521.9-285936 X 17 45 21.92 -28 59 36.4           ~ 2 0
6 CXOGC J174521.9-290032 X 17 45 21.98 -29 00 32.7           ~ 2 0
7 CXOGC J174522.4-290107 X 17 45 22.44 -29 01 07.3           ~ 2 0
8 CXOGC J174523.2-290103 X 17 45 23.24 -29 01 03.5           ~ 2 0
9 CXOGC J174523.2-285727 X 17 45 23.24 -28 57 27.0           ~ 2 0
10 2MASS J17452416-2858455 * 17 45 24.1636837488 -28 58 45.705478476           ~ 3 0
11 CXOGC J174524.3-290208 X 17 45 24.35 -29 02 08.2           ~ 2 0
12 CXOGC J174524.7-290031 X 17 45 24.78 -29 00 32.0           ~ 2 0
13 SSTGLMC G359.8863-00.0170 X 17 45 24.96 -29 02 31.6           ~ 2 0
14 CXOU J174525.2-290113 X 17 45 25.29 -29 01 13.8           ~ 3 0
15 CXOGC J174526.3-285949 X 17 45 26.27 -28 59 50.5           ~ 2 0
16 CXOGC J174528.0-290023 X 17 45 28.03 -29 00 23.2           ~ 3 0
17 CXOGC J174528.0-285943 X 17 45 28.08 -28 59 43.7           ~ 2 0
18 CXOGC J174528.4-290308 X 17 45 28.42 -29 03 08.3           ~ 2 0
19 CXOGC J174528.7-285928 X 17 45 28.70 -28 59 28.3           ~ 2 0
20 CXOGC J174528.7-290042 X 17 45 28.75 -29 00 42.6           ~ 2 0
21 CXOGC J174528.8-285726 X 17 45 28.87 -28 57 27.0           ~ 6 0
22 CXOGC J174529.0-290406 X 17 45 29.06 -29 04 06.5           ~ 4 0
23 CXOU J174529.4-290025 X 17 45 29.41 -29 00 25.2           ~ 3 0
24 CXOGC J174529.5-290215 X 17 45 29.58 -29 02 15.1           ~ 2 0
25 CXOGC J174529.6-290227 X 17 45 29.67 -29 02 27.1           ~ 3 0
26 CXOGC J174529.6-285840 X 17 45 29.69 -28 58 40.4           ~ 2 0
27 CXOGC J174529.6-285701 X 17 45 29.69 -28 57 01.7           ~ 2 0
28 CXOGC J174529.6-290021 X 17 45 29.70 -29 00 21.9           ~ 2 0
29 CXOGC J174530.0-290248 X 17 45 30.07 -29 02 48.5           ~ 2 0
30 CXOU J174530.3-290341 X 17 45 30.31 -29 03 41.7           ~ 4 0
31 CXOGC J174530.8-290139 X 17 45 30.87 -29 01 40.0           ~ 2 0
32 CXOGC J174531.9-290258 X 17 45 31.93 -29 02 58.3           ~ 2 0
33 CXOGC J174532.1-290130 X 17 45 32.20 -29 01 30.3           ~ 2 0
34 CXOU J174532.2-290329 X 17 45 32.25 -29 03 29.8           ~ 3 0
35 CXOGC J174532.5-285908 X 17 45 32.48 -28 59 08.2           ~ 2 0
36 CXOGC J174532.8-290436 X 17 45 32.89 -29 04 36.1           ~ 2 0
37 2MASS J17453357-2856392 * 17 45 33.5674125096 -28 56 39.355216656           ~ 2 0
38 CXOGC J174533.7-290432 X 17 45 33.68 -29 04 33.0           ~ 2 0
39 CXOU J174533.7-285728 X 17 45 33.78 -28 57 28.9           ~ 4 0
40 SSTGLMC G359.9401-00.0226 X 17 45 33.97 -28 59 56.7           ~ 2 0
41 CXOU J174534.5-290236 X 17 45 34.58 -29 02 36.9           ~ 3 0
42 CXOGC J174534.8-290444 X 17 45 34.88 -29 04 44.6           ~ 2 0
43 CXOGC J174535.1-285843 X 17 45 35.12 -28 58 43.6           ~ 2 0
44 CXOGC J174535.2-290048 X 17 45 35.25 -29 00 48.7           ~ 2 0
45 CXOGC J174535.4-285605 X 17 45 35.40 -28 56 05.8           ~ 2 0
46 NAME Edd-1 WR* 17 45 36.12 -28 56 38.7           WN8-9h 19 0
47 CXOGC J174536.1-285748 X 17 45 36.16 -28 57 48.5           ~ 2 0
48 CXOGC J174536.3-285837 X 17 45 36.30 -28 58 37.6           ~ 2 0
49 CXOGC J174536.3-290145 X 17 45 36.36 -29 01 45.1           ~ 2 0
50 CXOGC J174536.4-290114 X 17 45 36.43 -29 01 14.4           ~ 2 0
51 CXOGC J174537.2-285906 X 17 45 37.20 -28 59 06.9           ~ 2 0
52 CXOGC J174537.5-290153 X 17 45 37.57 -29 01 53.1           ~ 2 0
53 CXOGC J174537.6-290023 X 17 45 37.64 -29 00 23.7           ~ 2 0
54 CXOGC J174537.8-290127 X 17 45 37.82 -29 01 27.3           ~ 2 0
55 2MASS J17453798-2901345 s*b 17 45 37.9847468880 -29 01 34.495591512           O4Ia 12 0
56 CXOGC J174538.1-285916 X 17 45 38.11 -28 59 17.0           ~ 2 0
57 CXOGC J174538.4-285810 X 17 45 38.47 -28 58 10.5           ~ 2 0
58 CXOGC J174538.6-290107 X 17 45 38.64 -29 01 08.0           ~ 2 0
59 CXOGC J174539.1-285738 X 17 45 39.14 -28 57 38.9           ~ 2 0
60 CXOGC J174539.2-290250 X 17 45 39.25 -29 02 50.6           ~ 2 0
61 CXOU J174539.3-290016 X 17 45 39.35 -29 00 16.8           ~ 3 0
62 CXOGC J174539.5-290129 X 17 45 39.52 -29 01 30.0           ~ 2 0
63 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
64 GCIRS 13 Em* 17 45 39.76 -29 00 29.8           ~ 144 0
65 GCIRS 16 Cl* 17 45 40.0 -29 00 28           ~ 387 0
66 NAME Sgr A* X 17 45 40.03599 -29 00 28.1699           ~ 4970 3
67 CXOGC J174540.1-285957 X 17 45 40.12 -28 59 58.0           ~ 2 0
68 GCIRS 8 * 17 45 40.14 -28 59 58.7           O 72 0
69 CXOU J174540.1-290055 X 17 45 40.16 -29 00 55.7           ~ 5 0
70 CXOU J174540.2-285900 X 17 45 40.21 -28 59 01.0           ~ 4 0
71 GCIRS 10EL * 17 45 40.60 -29 00 24.0           ~ 4 0
72 OH 359.946-00.047 OH* 17 45 40.63 -29 00 23.5           O-rich 65 0
73 2MASS J17454066-2856403 * 17 45 40.6667353008 -28 56 40.278827364           ~ 2 0
74 CXOU J174540.8-290149 X 17 45 40.83 -29 01 49.0           ~ 3 0
75 CXOGC J174540.8-290328 * 17 45 40.89 -29 03 28.9       20.02   dMe: 3 0
76 CXOGC J174541.0-290017 X 17 45 41.03 -29 00 17.6           ~ 3 0
77 CXOU J174541.7-290027 X 17 45 41.70 -29 00 27.9           ~ 3 0
78 CXOGC J174541.9-285955 X 17 45 41.94 -28 59 55.1           ~ 2 0
79 CXOGC J174542.4-285802 X 17 45 42.43 -28 58 02.1           ~ 2 0
80 CXOGC J174542.6-285709 X 17 45 42.64 -28 57 09.3           ~ 2 0
81 CXOGC J174542.7-285831 X 17 45 42.76 -28 58 31.9           ~ 2 0
82 CXOGC J174542.9-290431 X 17 45 42.94 -29 04 31.3           ~ 2 0
83 CXOGC J174543.1-290049 X 17 45 43.11 -29 00 49.8           ~ 2 0
84 CXOU J174543.2-285917 X 17 45 43.28 -28 59 17.6           ~ 3 0
85 CXOGC J174543.4-290347 X 17 45 43.45 -29 03 47.8           ~ 3 0
86 CXOU J174543.4-285900 X 17 45 43.48 -28 59 01.3           ~ 3 0
87 CXOGC J174543.7-290136 X 17 45 43.76 -29 01 36.0           ~ 2 0
88 CD-29 13941 * 17 45 43.9185025944 -29 04 56.644784040   11.93 11.72     F8 17 0
89 CXOGC J174543.9-290245 X 17 45 43.94 -29 02 45.2           ~ 3 0
90 SSTGLMC G359.8947-00.0933 X 17 45 44.02 -29 04 28.8           ~ 2 0
91 CXOGC J174544.4-285829 X 17 45 44.47 -28 58 29.5           ~ 3 0
92 CXOGC J174544.5-285813 X 17 45 44.54 -28 58 13.6           ~ 2 0
93 CXOGC J174544.7-290339 X 17 45 44.71 -29 03 39.9           ~ 2 0
94 CXOGC J174545.2-290224 X 17 45 45.22 -29 02 24.3           ~ 2 0
95 UCAC4 306-136753 ** 17 45 45.284832 -28 58 28.48224       14.32   ~ 7 0
96 CXOU J174546.6-290328 X 17 45 46.70 -29 03 28.3           ~ 3 0
97 CXOGC J174546.7-290207 X 17 45 46.74 -29 02 07.9           ~ 2 0
98 CXOU J174546.8-290252 X 17 45 46.85 -29 02 52.4           ~ 3 0
99 CXOGC J174547.7-285624 X 17 45 47.76 -28 56 24.3           ~ 2 0
100 CXOGC J174548.0-290301 X 17 45 48.02 -29 03 01.4           ~ 2 0
101 CXOGC J174548.4-285954 X 17 45 48.43 -28 59 54.7           ~ 2 0
102 CXOGC J174548.5-285747 X 17 45 48.58 -28 57 47.1           ~ 2 0
103 CXOGC J174548.5-290246 X 17 45 48.60 -29 02 46.2           ~ 2 0
104 2MASS J17454911-2905026 Y*? 17 45 49.11720 -29 05 02.6520           ~ 3 0
105 CXOGC J174549.1-290137 smm 17 45 49.18 -29 01 38.0           ~ 5 0
106 CXOGC J174549.4-285712 X 17 45 49.43 -28 57 12.8           ~ 2 0
107 CXOGC J174550.2-290020 X 17 45 50.28 -29 00 20.4           ~ 2 0
108 WR 102b WR* 17 45 50.61 -28 59 19.6           WN7 16 0
109 CXOU J174550.7-290434 X 17 45 50.78 -29 04 34.6           ~ 3 0
110 CXOGC J174552.1-285804 X 17 45 52.13 -28 58 04.4           ~ 2 0
111 CXOGC J174552.5-285928 X 17 45 52.51 -28 59 28.7           ~ 2 0
112 CXOGC J174552.7-290148 X 17 45 52.72 -29 01 48.8           ~ 2 0
113 CXOGC J174554.5-290252 X 17 45 54.50 -29 02 53.0           ~ 2 0
114 CXOGC J174556.5-285736 X 17 45 56.54 -28 57 36.7           ~ 2 0
115 CXOGC J174557.2-290301 X 17 45 57.24 -29 03 01.5           ~ 2 0
116 CXOGC J174557.3-285804 X 17 45 57.30 -28 58 04.9           ~ 2 0
117 2MASS J17455843-2901205 * 17 45 58.4532298632 -29 01 20.567634456           ~ 3 0
118 CXOGC J174559.1-290255 X 17 45 59.11 -29 02 55.1           ~ 2 0
119 CXOGC J174559.5-290002 X 17 45 59.53 -29 00 02.4           ~ 2 0
120 CXOGC J174559.7-285908 X 17 45 59.71 -28 59 08.6           ~ 2 0
121 CXOGC J174600.2-290105 X 17 46 00.26 -29 01 05.1           ~ 2 0
122 CXOGC J174602.8-290049 X 17 46 02.88 -29 00 49.2           ~ 2 0

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