2013ApJ...773...92H

Query : 2013ApJ...773...92H

2013ApJ...773...92H - Astrophys. J., 773, 92 (2013/August-3)

An XMM-Newton survey of the soft X-ray background. III. The Galactic halo X-ray emission.

HENLEY D.B. and SHELTON R.L.

Abstract (from CDS):

We present measurements of the Galactic halo's X-ray emission for 110 XMM-Newton sight lines selected to minimize contamination from solar wind charge exchange emission. We detect emission from few million degree gas on ∼4/5 of our sight lines. The temperature is fairly uniform (median = 2.22 x106 K, interquartile range = 0.63x106 K), while the emission measure and intrinsic 0.5-2.0 keV surface brightness vary by over an order of magnitude (~(0.4-7)x10–3 cm–6 pc and ~(0.5-7)x10–12 erg/cm2/s deg–2, respectively, with median detections of 1.9x10–3 cm–6 pc and 1.5 x 10–12 erg/cm2/s deg–2, respectively). The high-latitude sky contains a patchy distribution of few million degree gas. This gas exhibits a general increase in emission measure toward the inner Galaxy in the southern Galactic hemisphere. However, there is no tendency for our observed emission measures to decrease with increasing Galactic latitude, contrary to what is expected for a disk-like halo morphology. The measured temperatures, brightnesses, and spatial distributions of the gas can be used to place constraints on models for the dominant heating sources of the halo. We provide some discussion of such heating sources, but defer comparisons between the observations and detailed models to a later paper.

Abstract Copyright: ∼

Journal keyword(s): Galaxy: halo - ISM: structure - X-rays: diffuse background - X-rays: ISM

VizieR on-line data: <Available at CDS (J/ApJ/773/92): table1.dat>

Simbad objects: 119

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Number of rows : 119
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 ACO 2811 ClG 00 42 08.82 -28 32 08.8           ~ 78 0
2 HD 4308 PM* 00 44 39.2672095011 -65 38 58.277728125 7.31 7.193 6.552     G6VFe-0.9 267 1
3 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
4 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
5 NGC 300 GiG 00 54 53.4465638304 -37 41 03.168402396 8.83 8.69 8.13 7.46   ~ 1614 2
6 ACO 122 ClG 00 57 25.03 -26 16 47.9           ~ 42 0
7 LEDA 87814 Sy1 00 58 37.3829486184 -36 06 04.948761240   14.9 14.90 15.0   ~ 95 0
8 LEDA 495407 G 01 00 34.6273933464 -47 48 30.103711812   16.960   15.600   ~ 8 0
9 ESO 113-10 Sy2 01 05 16.8746925168 -58 26 15.260456148   14.63 14.6 13.35   ~ 71 0
10 NGC 424 Sy1 01 11 27.6385025496 -38 05 00.421096524   13.76 14.12 12.38 12.8 ~ 346 1
11 2MASS J01341690-4258262 Sy1 01 34 16.9072341600 -42 58 26.223391344   18.17 17.30 16.71   ~ 81 1
12 RX J0136.9-3510 Sy1 01 36 54.4576651920 -35 09 52.327612296   18.80   17.80   ~ 48 0
13 ACO 222 ClG 01 37 31.1 -12 59 30           ~ 153 1
14 ACO 223 ClG 01 37 55.9 -12 49 11           ~ 135 1
15 V* DK Cet PM* 01 57 48.9775849512 -21 54 05.341104000   8.73 8.057   7.343 G4V 152 0
16 BAX 032.6067-39.4964 ClG 02 10 25.6 -39 29 47           ~ 15 0
17 HD 13445 PM* 02 10 25.9181700303 -50 49 25.465181208   6.945 6.117     K1.5V 484 1
18 ACO S 239 ClG 02 16 44.5 -47 49 04           ~ 21 1
19 GRB 080411 gB 02 31 54.82 -71 18 07.5           ~ 109 0
20 MCG-06-07-001 G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1894 1
21 QSO B0237-2322 QSO 02 40 08.1743783856 -23 09 15.729012036   16.78 16.63     ~ 516 1
22 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
23 NGC 1313 AG? 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 723 2
24 NAME Chandra Deep Field-South reg 03 32 28.0 -27 48 30           ~ 2282 1
25 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
26 MCG-04-09-052 Sy1 03 42 03.7135713768 -21 14 39.577309944   12.84 13.68 11.57   ~ 145 0
27 FRL 1116 Sy1 03 51 41.6988393408 -40 27 59.269106916   15.10 14.67 12.1   ~ 79 0
28 APMUKS (BJ) B040410.35-435121.7 G 04 05 47.90 -43 43 19.0           ~ 1 0
29 IRAS 04103-2838 LIN 04 12 19.4458581600 -28 30 24.933273876     16.9     ~ 75 0
30 GRB 080913 gB 04 22 57.90 -25 07 38.6           ~ 213 0
31 LDN 1642 MoC 04 35 18 -14 13.9           ~ 157 0
32 ESO 362-8 Sy2 05 11 09.098 -34 23 36.74   13.62 12.65 12.46   ~ 81 0
33 CD-35 2213 LM* 05 17 22.9075362984 -35 21 54.659549736   13.26 11.69 10.48 8.91 M4Ve 52 0
34 MCG-05-13-017 Sy2 05 19 35.8118941104 -32 39 27.923120568   13.81 13.37 12.73   ~ 274 1
35 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
36 * bet Dor cC* 05 33 37.5159729864 -62 29 23.376457680 5.13 4.58 3.76 3.55 3.12 F8/G0Ib 401 0
37 NAME Gal Anticenter reg 05 46 +28.9           ~ 1024 0
38 LEDA 139056 Sy2 08 10 40.2988157448 +48 12 33.157085004   18.10 17.39     ~ 26 0
39 [SST2011] J081929.00+704219.3 ULX 08 19 28.99 +70 42 19.4           ~ 213 2
40 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
41 [VV2006] J083946.1+511203 QSO 08 39 46.2164854008 +51 12 02.827270296   22.29 20.66 18.9 18.3 ~ 72 1
42 4C 39.24 rG 09 08 13.292 +39 43 28.60           ~ 69 1
43 SDSS J091709.55+463821.8 WD* 09 17 09.5538167784 +46 38 21.666153876           DA 39 0
44 [VV2006] J092829.8+504836 QSO 09 28 29.8513362360 +50 48 36.517383324   18.6 18.81 18.3   ~ 29 0
45 * 11 LMi RS* 09 35 39.5021937366 +35 48 36.477051175 6.560 6.110 5.340 4.79 4.42 G8Va 407 0
46 [VV2006] J093759.4+542427 QSO 09 37 59.4288912216 +54 24 27.308330748   19.4 20.24 19.2   ~ 26 0
47 ClG J0947+7623 ClG 09 46 59.916 +76 23 43.99           ~ 165 0
48 NVSS J094712+762312 Rad 09 47 12.37 +76 23 09.3           ~ 151 1
49 [VV2006] J094811.9+551726 QSO 09 48 11.8832608392 +55 17 26.432669292   20.43 20.14     ~ 23 0
50 SDSS J094820.38+582526.6 Sy2 09 48 20.3781658800 +58 25 26.437658124   20.18 19.54     ~ 21 0
51 GRB 061121 gB 09 48 54.570 -13 11 42.68 17.19 17.71 17.02     ~ 350 0
52 CXOM82 J095538.3+694030 HXB 09 55 38.31 +69 40 30.3 23.631 23.031 22.751   22.634 ~ 5 0
53 BAX 149.4717+65.5750 ClG 09 57 53.2 +65 34 30           ~ 16 0
54 BAX 152.7713+53.6575 ClG 10 11 05.1 +53 39 27           ~ 13 0
55 ACO 959 ClG 10 17 35.0 +59 33 28           ~ 76 0
56 BAX 155.5304+38.5153 ClG 10 22 18.24 +38 32 39.6           ~ 63 0
57 Z 211-53 LIN 10 23 58.8035410176 +43 51 20.717278092   15.4       ~ 20 0
58 Z 212-25 Sy1 10 34 38.5982990352 +39 38 28.187042604   17.37 16.90     ~ 402 1
59 [VV2000] J103934.1+395258 QSO 10 39 34.1319207408 +39 52 57.956575440   18.37 18.15     ~ 41 0
60 [VV2006] J104114.2+590219 QSO 10 41 14.1951442608 +59 02 19.435495956   20.23 19.74     ~ 30 0
61 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 910 0
62 [VV2006] J104537.7+484915 QSO 10 45 37.7011 +48 49 14.664   20.29 20.02     ~ 21 0
63 * 47 UMa PM* 10 59 27.9727514012 +40 25 48.920572724   5.66   4.7   G1-VFe-0.5 824 1
64 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
65 Z 291-32 Sy2 11 09 12.4004349792 +61 23 46.752295380   15.66 15.29     ~ 30 0
66 [VV2000] J111350.9+401721 QSO 11 13 50.9434352832 +40 17 21.424301340   17.87 17.60     ~ 42 0
67 Z 156-46 rG 11 16 34.6160545656 +29 15 17.112000564   15.02 14.90     ~ 133 1
68 Z 242-28 rG 11 23 01.3242963072 +47 03 08.780782932   15.6       ~ 31 0
69 SDSS J113148.69+311400.8 Sy2 11 31 48.696 +31 14 00.89           ~ 7 0
70 MCG+10-17-021 Sy2 11 35 49.0880980152 +56 57 08.245051272   16.79 15.85     ~ 79 1
71 Ross 905 PM* 11 42 11.0933350978 +26 42 23.650782778   12.06 10.613 10.272 8.24 M3V 750 1
72 Z 268-83 Sy2 11 47 21.6206300544 +52 26 58.526002140   15.0       ~ 71 0
73 SBSS 1150+599 PN 11 53 24.7392231288 +59 39 57.050391708   17.5       O(H)III-V 78 0
74 ACO 1413 ClG 11 55 12.87 +23 23 46.9           ~ 456 0
75 2MASX J11570483+5249036 Sy2 11 57 04.8394919952 +52 49 03.679043664   15.33 14.79     ~ 35 0
76 NGC 4013 GiG 11 58 31.417 +43 56 49.28   12.4       ~ 447 1
77 2MASS J12005101+3417025 Sy1 12 00 51.0101268240 +34 17 02.394549600   19.54 19.34     ~ 51 0
78 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
79 NGC 4169 Sy2 12 12 18.7701840312 +29 10 45.851425968   12.9 12.34 11.67   ~ 148 1
80 NGC 4244 GiG 12 17 29.659 +37 48 25.60   10.71   9.99   ~ 582 1
81 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2512 4
82 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
83 NGC 4561 GiG 12 36 08.137 +19 19 21.32   12.7       ~ 211 0
84 NAME Chandra Deep Field-North reg 12 36.8 +62 13           ~ 686 0
85 4C 57.21 BLL 12 46 38.9472407136 +56 49 20.870795064           ~ 10 1
86 NGC 4686 Sy2 12 46 39.8877786744 +54 32 03.290128944   13.7       ~ 87 0
87 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1476 2
88 LB 11408 QSO 12 53 17.5764589992 +31 05 50.628627492   17.20 17.00     ~ 67 0
89 RX J1257.0+4738 ClG 12 57 05.17 +47 38 17.1           ~ 4 0
90 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
91 SDSS J132341.97+482701.3 G 13 23 41.9755425624 +48 27 01.261293624           ~ 34 0
92 4C 32.44 QSO 13 26 16.5142 +31 54 09.522   21.367 19.822 18.882   ~ 181 1
93 [FK2005] 23 ULX 13 29 38.62 +58 25 05.6           ~ 134 2
94 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
95 IRAS 13279+3401 QSO 13 30 15.2350468416 +33 46 29.582104116     17.20     ~ 32 0
96 2XMM J135315.8+634546 Sy1 13 53 15.8311116864 +63 45 45.683126676   14.54 14.28     ~ 404 1
97 7C 1428+4218 Bla 14 30 23.74163471 +42 04 36.4910561   24.43 22.04 20.2   ~ 157 1
98 NGC 5695 Sy2 14 37 22.1349838776 +36 34 04.201272336   14.55 13.60     ~ 215 0
99 IC 1065 Sy2 14 49 21.5927137128 +63 16 13.799495280   17.30 16.39     ~ 378 1
100 NAME Upper Sco-Cen As* 16 15 -24.2           ~ 1497 1
101 Z 196-64 Sy1 16 26 36.4008193656 +35 02 42.072346392   15.83 15.42     ~ 46 0
102 NGC 6217 AGN 16 32 39.2100852960 +78 11 53.487076092   14.37 13.88     ~ 320 0
103 [VV2006] J163246.6+340526 QSO 16 32 46.5532240728 +34 05 26.189021616   20.04 20.30     ~ 21 0
104 [VV2006] J163306.2+401747 QSO 16 33 06.1224754872 +40 17 47.460321096   20.10 19.84     ~ 27 0
105 [VV2006] J163408.7+331242 QSO 16 34 08.6441959944 +33 12 42.056944920   18.97 18.69     ~ 28 0
106 3C 349 rG 16 59 32.079 +47 02 16.56   19 19.0     ~ 163 1
107 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
108 V* RR Tel Sy* 20 04 18.5404499712 -55 43 33.153979080 9.93 11.33 10.81 11.689   M5e 550 0
109 [H83] 3 Sy1 21 33 15.5452445786 -42 54 26.106684378   20.25       ~ 12 0
110 QSO B2136-428 BLL 21 39 24.1733820912 -42 35 20.465859048   16.50 16.2 15.7   ~ 97 1
111 IC 5179 Sy1 22 16 09.1191653256 -36 50 37.117603752   12.29 11.89 11.38   ~ 214 1
112 ACO S 1063 ClG 22 48 45.4 -44 31 42           ~ 395 0
113 IC 5267 Sy2 22 57 13.572 -43 23 46.11   11.18 10.47 9.83 10.4 ~ 151 0
114 * 51 Peg PM* 22 57 27.9804852576 +20 46 07.797040104 6.39 6.16 5.46 4.97 4.61 G2IV 1216 1
115 3C 457 QSO 23 12 07.590 +18 45 41.51   19.5       ~ 95 1
116 NGC 7590 Sy1 23 18 54.7949760192 -42 14 20.515300476   12.12 13.76 11.06 11.8 ~ 290 1
117 QSO B2356-309 BLL 23 59 07.9034996184 -30 37 40.671098544   18.414 16.44 16.795   ~ 318 2
118 MCXC J2359.5-3211 ClG 23 59 35.7 -32 11 07           ~ 13 0
119 NAME Local Bubble ISM ~ ~           ~ 1059 0

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