2000MNRAS.315...98R

Query : 2000MNRAS.315...98R

2000MNRAS.315...98R - Mon. Not. R. Astron. Soc., 315, 98-114 (2000/June-2)

A ROSAT High Resolution Imager survey of bright nearby galaxies.

ROBERTS T.P. and WARWICK R.S.

Abstract (from CDS):

We use the extensive public archive of ROSAT High Resolution Imager (HRI) observations to carry out a statistical investigation of the X-ray properties of nearby galaxies. Specifically we focus on the sample of 486 bright (BT≤12.5) northern galaxies studied by Ho, Filippenko and Sargent (HFS) in the context of their exploration of the optical spectroscopic properties of nearby galactic nuclei. Over 20per cent of HFS galaxies are encompassed in ROSAT HRI fields of reasonable (≥10ks) exposure. The X-ray sources detected within the optical extent of each galaxy are categorized as either nuclear or non-nuclear, depending on whether the source is positioned within or outside a 25-arcsec radius circle centred on the optical nucleus.

A nuclear X-ray source is detected in over 70per cent of the galaxies harbouring either a Seyfert or LINER nucleus, compared with a detection rate of only ∼40per cent in less active systems. The correlation of the Hα luminosity with nuclear X-ray luminosity previously observed in QSOs and bright Seyfert 1 galaxies appears to extend down into the regime of ultra-low luminosity (LX∼1038-1040erg.s–1) active galactic nuclei (AGN). The inferred accretion rates for this sample of low-luminosity AGN are significantly sub-Eddington.

In total, 142 non-nuclear sources were detected. In combination with published data for M31, this leads to a luminosity distribution (normalized to an optical blue luminosity of 1010L☉) for the discrete X-ray source population in spiral galaxies of the form {formmu1} where L38 is the X-ray luminosity in units of 1038erg.s–1. The implied LXLB ratio is ∼1.1x1039erg.s–1(1010L☉)–1. The nature of the substantial number of `superluminous' non-nuclear objects detected in the survey is discussed.


Abstract Copyright: 2000, Royal Astronomical Society

Journal keyword(s): galaxies: active - galaxies: general - X-rays: galaxies

Nomenclature: Table A1: [RW2000] IC NNN X-N N=1+7, [RW2000] NGC NNNN X-NN N=179.

Simbad objects: 272

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Number of rows : 272
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 IC 10 G 00 20 25.50 +59 17 17.0   13.6 9.5     ~ 1118 1
2 CXOU J002029.1+591651 HXB 00 20 29.09 +59 16 51.9           ~ 170 0
3 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 687 1
4 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 800 1
5 [BWF97] 5 X 00 39 02.4 +48 24 15           ~ 2 0
6 [RW2000] NGC 205 X-1 X 00 39 52.5 +41 45 17           ~ 1 0
7 [LLJ2000] NGC 205 X1 X 00 40 08.4 +41 40 12           ~ 2 0
8 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1308 1
9 [RW2000] NGC 221 X-1 X 00 42 35.6 +40 48 32           ~ 1 0
10 M 32 GiG 00 42 41.82480 +40 51 54.6120 9.51 9.03 8.08     ~ 2154 2
11 [LLJ2000] NGC 221 X1 X 00 42 43.2 +40 51 47           ~ 2 0
12 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12645 1
13 2MASS J01092700+3543048 X 01 09 26.9991054504 +35 43 04.962936540           ~ 3 0
14 NGC 404 LIN 01 09 27.02 +35 43 05.3   12.56 11.73     ~ 473 0
15 NGC 520 AG? 01 24 34.90 +03 47 29.4 12.41 12.24 11.42     ~ 513 3
16 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5838 1
17 [RW2000] NGC 891 X-1 X 02 22 26.6 +42 18 27           ~ 1 0
18 [RW2000] NGC 891 X-2 X 02 22 30.8 +42 19 07           ~ 1 0
19 [BWC2008] U3 ULX 02 22 31.410 +42 20 23.97           ~ 9 1
20 [RW2000] NGC 891 X-3 X 02 22 31.5 +42 19 54           ~ 2 0
21 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1667 2
22 [LB2005] NGC 891 ULX3 UX? 02 22 45.55 +42 25 57.8           ~ 7 1
23 NGC 1052 Sy2 02 41 04.79849989 -08 15 20.7519527 11.84 11.41 10.47 10.71   ~ 1299 2
24 NGC 1058 Sy2 02 43 30.0264850248 +37 20 28.782851784   12.29 11.75 10.85   ~ 466 0
25 3C 84 Sy2 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4008 3
26 [SST2011] J034555.61+680455.3 ULX 03 45 55.612 +68 04 55.29           ~ 167 1
27 2XMM J034606.5+680705 ULX 03 46 07.3 +68 07 06           ~ 15 0
28 2XMM J034615.6+681112 UX? 03 46 15.61 +68 11 12.8           ~ 31 0
29 [RW2000] IC 342 X-4 X 03 46 46.4 +68 09 47           ~ 1 0
30 IC 342 SBG 03 46 48.514 +68 05 45.98   10.5       ~ 1517 1
31 [RW2000] IC 342 X-5 X 03 46 49.6 +69 05 47           ~ 1 0
32 [MPK2008] C15 X 03 46 57.490 +68 06 19.51           ~ 15 0
33 [RW2000] IC 342 X-7 X 03 48 06.930 +68 04 54.32           ~ 10 0
34 [RW2000] NGC 1569 X-1 X 04 30 48.7 +64 50 47           ~ 1 0
35 NGC 1569 IG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1241 3
36 NGC 1560 GiG 04 32 49.087 +71 52 59.20   12.1       ~ 252 0
37 NGC 1961 LIN 05 42 04.6327819680 +69 22 42.411028872   11.73 10.99     ~ 337 3
38 2MASS J05420464+6922424 X 05 42 04.65 +69 22 42.5           ~ 1 0
39 [SRW2012] Src. 3 UX? 07 26 49.45 +85 45 48.3           ~ 17 0
40 NGC 2276 AG? 07 27 14.485 +85 45 16.20   12.3       ~ 376 0
41 NGC 2363A HII 07 28 42.8 +69 11 21           ~ 564 3
42 NGC 2366 H2G 07 28 52.4529 +69 12 38.859 12.25 11.86 11.39 11.33   ~ 769 0
43 [FK2005] 6 ULX 07 36 25.55 +65 35 40.0           ~ 43 0
44 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1789 1
45 [LLJ2000] NGC 2403 X2 X 07 36 52.9 +65 34 54           ~ 2 0
46 [LLJ2000] NGC 2403 X3 X 07 36 56.8 +65 35 38           ~ 2 0
47 2E 1831 LXB 07 37 02.33 +65 39 35.0           ~ 14 0
48 NGC 2775 AG? 09 10 20.1334093488 +07 02 16.874157048   11.417 10.481 9.920 8.994 ~ 356 0
49 [RW2000] NGC 2782 X-1 X 09 14 04.4 +40 07 38           ~ 2 0
50 NGC 2782 Sy2 09 14 05.1 +40 06 49 12.29 12.30 11.63     ~ 472 3
51 [RW2000] NGC 2782 X-2 X 09 14 05.4 +40 06 46           ~ 1 0
52 [RW2000] NGC 2903 X-1 X 09 32 05.6 +21 32 32           ~ 1 0
53 [RW2000] NGC 2903 X-2 X 09 32 09.9 +21 31 01           ~ 1 0
54 NGC 2905 H2G 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1116 3
55 [RW2000] NGC 2903 X-3 X 09 32 10.4 +21 30 05           ~ 1 0
56 [LLJ2000] NGC 2976 X1 X 09 47 14.5 +67 55 42           ~ 2 0
57 NGC 2976 GiP 09 47 15.458 +67 54 58.97 11.77 11.03 10.16 9.51   ~ 673 1
58 [LB2005] NGC 3031 X10 X 09 54 51.25 +69 02 51.3           ~ 2 0
59 [RW2000] NGC 3031 X-2 X 09 55 01.0 +69 07 41           ~ 2 0
60 BD+69 541A PM* 09 55 02.6797792800 +68 56 22.018240032   11.35 10.65 10.322   G 24 0
61 [RW2000] NGC 3031 X-4 X 09 55 10.8 +69 04 03           ~ 1 0
62 [WMR2006] M81 XMM3 X 09 55 11.3 +69 04 58           ~ 2 0
63 [LB2005] NGC 3031 X13 X 09 55 12.84 +69 08 27.7           ~ 3 0
64 [RW2000] NGC 3031 X-7 X 09 55 23.1 +69 05 07           ~ 1 0
65 [WMR2006] M81 XMM4 X 09 55 25.3 +69 09 56           ~ 2 0
66 [RW2000] NGC 3031 X-9 X 09 55 25.7 +69 01 08           ~ 1 0
67 [RW2000] NGC 3031 X-10 X 09 55 27.2 +69 02 50           ~ 1 0
68 [FK2005] 7 SNR 09 55 32.95 +69 00 33.6   23.87 23.89     ~ 83 1
69 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4449 3
70 [RW2000] NGC 3031 X-12 X 09 55 34.1 +69 02 42           ~ 1 0
71 [RW2000] NGC 3031 X-13 X 09 55 34.2 +69 03 50           ~ 1 0
72 [RW2000] NGC 3031 X-14 X 09 55 38.5 +69 02 40           ~ 1 0
73 [LB2005] NGC 3031 X15 X 09 55 49.64 +68 58 33.0           ~ 2 0
74 [RW2000] NGC 3031 X-16 X 09 55 51.0 +69 05 28           ~ 1 0
75 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 5860 6
76 [RW2000] NGC 3031 X-17 X 09 56 10.3 +69 01 01           ~ 1 0
77 [RW2000] NGC 3031 X-18 X 09 56 15.4 +68 57 18           ~ 1 0
78 [RW2000] NGC 3031 X-19 X 09 56 37.7 +69 00 25           ~ 1 0
79 [RW2000] NGC 3031 X-20 X 09 57 02.5 +68 54 53           ~ 1 0
80 NGC 3073 GiP 10 00 52.0678224264 +55 37 07.881619152 14.12 14.07 13.40     ~ 191 2
81 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1391 3
82 [CHP2004] J100159.5+554048 X 10 01 59.27 +55 40 49.0           ~ 3 0
83 NGC 3147 Sy2 10 16 53.6388580752 +73 24 02.641798224   11.43 10.61     ~ 490 2
84 NGC 3185 GiP 10 17 38.5650471192 +21 41 17.573817228   12.99 12.17 12.37   ~ 286 1
85 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 399 2
86 [RW2000] NGC 3190 X-1 X 10 18 05.8 +21 49 59           ~ 1 0
87 NGC 3193 GiP 10 18 24.884 +21 53 38.32 12.29 11.83 10.88 12.19   ~ 289 1
88 NGC 3226 GiP 10 23 27.0064075320 +19 53 54.674937420   14.32 13.33     ~ 428 1
89 [RW2000] NGC 3226 X-1 X 10 23 27.3 +19 53 54           ~ 1 0
90 NGC 3227 Sy1 10 23 30.5765149296 +19 51 54.282206700   12.61 11.79     ~ 1703 1
91 NGC 3294 AG? 10 36 16.2564642096 +37 19 29.049225924   11.5       ~ 201 0
92 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 773 1
93 [RW2000] NGC 3310 X-2 X 10 38 49.8 +53 29 33           ~ 4 0
94 [RW2000] NGC 3377 X-1 X 10 47 41.7 +13 58 26           ~ 1 0
95 NGC 3377 GiP 10 47 42.400 +13 59 08.30 11.55 11.24 10.38     ~ 775 1
96 [LB2005] NGC 3377 X1 X 10 47 42.58 +13 59 10.5           ~ 2 0
97 M 105 LIN 10 47 49.600 +12 34 53.87   10.56 9.76 9.12 8.18 ~ 1463 0
98 1AXG J104750+1234 X 10 47 50.3 +12 34 46           ~ 2 0
99 NGC 3384 GiG 10 48 16.8855574392 +12 37 45.371165844   10.0       ~ 596 1
100 NGC 3389 GiG 10 48 27.9084984144 +12 31 59.659616244   12.0       ~ 232 1
101 NGC 3395 GiP 10 49 50.1160141680 +32 58 58.421838360   12.1 12.10     ~ 277 2
102 [RW2000] NGC 3395 X-1 X 10 49 50.3 +32 59 07           ~ 3 0
103 APG 270 PaG 10 49 51.2 +32 58 58           ~ 185 0
104 [SST2011] J112015.76+133513.7 UX? 11 20 15.75 +13 35 13.6           ~ 17 1
105 NGC 3628 GiP 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 827 3
106 [SST2011] J112037.37+133429.2 UX? 11 20 37.37 +13 34 29.2           ~ 8 0
107 [RW2000] NGC 3998 X-1 X 11 57 50.4 +55 28 31           ~ 4 0
108 NGC 3998 Sy2 11 57 56.1334044408 +55 27 12.922443432   11.64 12.10 10.09   ~ 643 2
109 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2165 1
110 [RW2000] NGC 4051 X-1 X 12 03 09.8 +44 31 54           ~ 1 0
111 IXO 42 X 12 05 32.8 +50 32 43           ~ 4 1
112 NGC 4088 GiP 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 407 1
113 [RW2000] NGC 4151 X-1 X 12 10 22.4 +39 21 46           ~ 2 0
114 SDSS J121022.39+392316.8 QSO 12 10 22.4024234856 +39 23 16.816922304           ~ 20 1
115 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3690 2
116 [RW2000] NGC 4151 X-3 X 12 10 33.0 +39 24 18           ~ 1 0
117 NGC 4150 GiG 12 10 33.655 +30 24 05.35 12.72 12.44 11.64     ~ 310 2
118 NAME NGC 4150-X1 QSO 12 10 34.7059808904 +30 23 58.437832380           ~ 6 0
119 NGC 4203 LIN 12 15 05.0549203560 +33 11 50.383965120   12.98 11.99     ~ 492 2
120 [RW2000] NGC 4203 X-1 X 12 15 05.3 +33 11 49           ~ 1 0
121 [OWB2005] NGC 4214 P3 HXB 12 15 38.25 +36 19 21.4           ~ 10 0
122 NGC 4235 Sy1 12 17 09.8818997904 +07 11 29.673389004   14.70 13.60     ~ 411 0
123 [RW2000] NGC 4235 X-1 X 12 17 10.3 +07 11 25           ~ 1 0
124 [RW2000] NGC 4258 X-1 X 12 18 44.6 +47 17 21           ~ 1 0
125 [RW2000] NGC 4258 X-3 X 12 18 45.8 +47 24 18           ~ 1 0
126 [RW2000] NGC 4258 X-2 X 12 18 45.9 +47 18 26           ~ 1 0
127 [RW2000] NGC 4258 X-4 X 12 18 55.2 +47 16 45           ~ 1 0
128 RX J121856.5+472124 X 12 18 56.4 +47 21 26           ~ 8 0
129 M 106 Sy2 12 18 57.620 +47 18 13.39   9.14 8.41 8.11   ~ 2364 3
130 RX J121857.7+471558 UX? 12 18 57.85 +47 16 07.4           ~ 13 0
131 [RW2000] NGC 4258 X-6 X 12 18 58.1 +47 18 03           ~ 1 0
132 [RW2000] NGC 4258 X-8 X 12 19 04.6 +47 18 27           ~ 1 0
133 NGC 4291 GiG 12 20 17.699 +75 22 15.47   17.0       ~ 304 1
134 [RW2000] NGC 4321 X-1 X 12 22 51.1 +15 49 33           ~ 2 0
135 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1845 2
136 [RW2000] NGC 4321 X-2 X 12 22 55.0 +15 49 16           ~ 1 0
137 [RW2000] NGC 4321 X-3 X 12 22 58.6 +15 49 07           ~ 2 0
138 [RW2000] NGC 4321 X-4 X 12 22 58.9 +15 47 49           ~ 2 0
139 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1340 2
140 [RW2000] NGC 4388 X-1 X 12 25 47.3 +12 39 38           ~ 1 0
141 NGC 4395 Sy2 12 25 48.8633109888 +33 32 48.700168152 10.84 10.54 10.11 9.98   ~ 1177 1
142 [SST2011] J122601.44+333131.1 UX? 12 26 01.53 +33 31 30.6           ~ 37 1
143 NGC 4435 GiG 12 27 40.503 +13 04 44.48 12.23 11.74 10.80     ~ 445 2
144 [RW2000] NGC 4435 X-1 X 12 27 40.9 +13 04 44           ~ 1 0
145 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 636 2
146 [RW2000] NGC 4438 X-1 X 12 27 46.0 +13 00 26           ~ 1 0
147 RX J122809.4+440509 X 12 28 09.279 +44 05 08.09           ~ 12 0
148 [RW2000] NGC 4449 X-2 X 12 28 10.5 +44 05 51           ~ 2 0
149 NAME NGC 4449 SNR SNR 12 28 10.8 +44 06 41           ~ 38 0
150 RX J122811.1+440339 X 12 28 10.93 +44 03 38.0           ~ 7 0
151 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1125 1
152 [RW2000] NGC 4449 X-5 X 12 28 13.3 +44 06 22           ~ 1 0
153 [RW2000] NGC 4449 X-6 X 12 28 15.0 +44 05 42           ~ 1 0
154 RX J122818.0+440634 UX? 12 28 17.83 +44 06 33.9           ~ 19 0
155 NGC 4470 H2G 12 29 37.8066943368 +07 49 27.284422224   12.9       ~ 239 0
156 NGC 4478 GiP 12 30 17.4160005576 +12 19 42.790577160 12.82 12.36 11.45   10.17 ~ 490 1
157 RX J1230.5+4141 ULX 12 30 30.34 +41 41 41.0           ~ 24 2
158 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 284 2
159 [SST2011] J123032.27+413918.1 HXB 12 30 32.27 +41 39 18.1           ~ 19 0
160 NGC 4490 GiP 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 574 3
161 [SST2011] J123036.32+413837.8 HXB 12 30 36.32 +41 38 37.8           ~ 20 1
162 CXOU J123038.5+413742 X 12 30 38.8 +41 37 43           ~ 3 0
163 2XMM J123043.1+413819 HXB 12 30 43.25 +41 38 18.4           ~ 22 1
164 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7192 3
165 NGC 4527 GiP 12 34 08.4 +02 39 15   12.4       ~ 532 2
166 RX J123551+27561 ULX 12 35 51.71 +27 56 04.1           ~ 75 1
167 [LB2005] NGC 4559 X6 X 12 35 56.29 +27 55 30.2           ~ 2 0
168 [RW2000] NGC 4559 X-3 X 12 35 56.7 +27 59 23           ~ 1 0
169 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 628 1
170 RX J123558+27577 UX? 12 35 58.56 +27 57 41.9           ~ 38 2
171 [RW2000] NGC 4559 X-5 X 12 36 03.5 +27 57 55           ~ 1 0
172 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 898 1
173 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1396 3
174 [SST2011] J124155.56+323216.9 HXB 12 41 55.56 +32 32 16.9           ~ 23 2
175 [CHP2004] J124157.4+323203 X 12 41 57.29 +32 32 01.4           ~ 10 0
176 NGC 4631 GiP 12 42 08.009 +32 32 29.44   9.78 9.19 9.10   ~ 1095 2
177 NGC 4638 GiP 12 42 47.4239240016 +11 26 32.970950556   12.2 11.23     ~ 281 1
178 NGC 4647 H2G 12 43 32.542 +11 34 56.89   12.5 12.5     ~ 407 0
179 [RW2000] NGC 4656 X-1 X 12 43 41.4 +32 04 55           ~ 1 0
180 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 513 0
181 NGC 4656 GiP 12 43 57.6889089768 +32 10 13.345914504   10.96 10.52     ~ 363 3
182 [RW2000] NGC 4736 X-1 X 12 50 44.5 +41 04 49           ~ 1 0
183 [LLJ2000] NGC 4736 X1 X 12 50 47.8 +41 05 03           ~ 2 0
184 [RW2000] NGC 4736 X-3 X 12 50 52.8 +41 02 47           ~ 1 0
185 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1386 2
186 [RWO99] NGC 4736 X12 X 12 50 59.90 +41 10 59.7           ~ 3 0
187 NGC 4772 LIN 12 53 29.1636448512 +02 10 06.146331708 12.29 11.96 11.04     ~ 253 1
188 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 939 2
189 [LLJ2000] NGC 4826 X1 X 12 56 44.0 +21 40 59           ~ 2 0
190 NGC 5005 GiP 13 10 56.312 +37 03 32.19   14.67 13.67     ~ 541 2
191 [RW2000] NGC 5005 X-1 X 13 10 56.6 +37 03 24           ~ 1 0
192 [RW2000] NGC 5055 X-1 X 13 15 18.3 +42 03 57           ~ 2 0
193 [BWC2008] U33 ULX 13 15 19.8 +42 02 55           ~ 6 1
194 [RW2000] NGC 5055 X-3 X 13 15 30.5 +42 03 07           ~ 1 0
195 [RW2000] NGC 5055 X-4 X 13 15 41.0 +42 01 42           ~ 1 0
196 [RW2000] NGC 5055 X-5 X 13 15 47.0 +42 01 52           ~ 2 0
197 [RW2000] NGC 5055 X-6 X 13 15 47.1 +42 00 16           ~ 1 0
198 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1224 2
199 [RW2000] NGC 5055 X-7 X 13 15 49.9 +42 01 38           ~ 1 0
200 [RW2000] NGC 5055 X-8 X 13 15 51.7 +42 01 34           ~ 1 0
201 [RW2000] NGC 5055 X-9 X 13 16 02.6 +42 01 48           ~ 1 0
202 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4484 3
203 NGC 5204 LSB 13 29 36.508 +58 25 07.43   11.84   11.37   ~ 471 0
204 [FK2005] 23 ULX 13 29 38.62 +58 25 05.6           ~ 128 2
205 RX J132939+47126 HXB 13 29 39.48 +47 12 43.6   22.59 23.27   24.80 ~ 30 1
206 RX J132943+47115 UX? 13 29 43.31 +47 11 34.8   23.20 24.01   25.50 ~ 30 1
207 RX J132946+47107 X 13 29 46.12 +47 10 42.2           ~ 8 0
208 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4329 4
209 [RW2000] NGC 5194 X-4 X 13 29 53.2 +47 11 40           ~ 1 0
210 RX J132954+47145 UX? 13 29 53.72 +47 14 35.7           ~ 22 1
211 CXOM51 J132958.4+471547 X 13 29 58.38 +47 15 47.4           ~ 5 0
212 NGC 5195 GiP 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 778 3
213 RX J133001+47137 UX? 13 30 01.01 +47 13 43.9           ~ 86 0
214 RX J133006+47156 UX? 13 30 06.00 +47 15 42.3           ~ 18 0
215 [RW2000] NGC 5194 X-8 X 13 30 06.9 +47 08 30           ~ 2 0
216 RX J133007+47110 UX? 13 30 07.55 +47 11 06.1   25.17 25.49   26.04 ~ 68 1
217 [RW2000] NGC 5273 X-1 X 13 42 08.3 +35 39 09           ~ 1 0
218 NGC 5273 Sy1 13 42 08.3801616672 +35 39 15.467518836   14.01 13.12     ~ 468 0
219 NGC 5354 LIN 13 53 26.7262413240 +40 18 09.928163700   12.3   10.64   ~ 158 0
220 [RW2000] NGC 5457 X-1 X 14 02 03.9 +54 18 26           ~ 1 0
221 2XMM J140222.3+541758 XB* 14 02 21.90 +54 17 56.9           ~ 7 0
222 [CHP2004] J140228.8+542632 X 14 02 28.53 +54 26 31.8   21.58       ~ 4 0
223 [RW2000] NGC 5457 X-4 X 14 02 28.6 +54 12 37           ~ 1 0
224 [RW2000] NGC 5457 X-3 X 14 02 28.6 +54 16 21           ~ 2 0
225 [RW2000] NGC 5457 X-6 X 14 02 30.3 +54 21 15           ~ 1 0
226 [RW2000] NGC 5457 X-7 X 14 02 34.8 +54 21 11           ~ 1 0
227 [WIP99] H17 X 14 02 46.82 +54 26 53.8   21.08       ~ 4 0
228 [RW2000] NGC 5457 X-9 X 14 02 53.3 +54 21 08           ~ 2 0
229 [RW2000] NGC 5457 X-10 X 14 03 04.4 +54 27 32           ~ 2 0
230 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2914 2
231 [LLJ2000] NGC 5457 X1 X 14 03 13.3 +54 20 51           ~ 2 0
232 [RW2000] NGC 5457 X-12 X 14 03 13.6 +54 20 02           ~ 1 0
233 [LB2005] NGC 5457 X14 X 14 03 16.03 +54 27 28.4           ~ 2 0
234 [RW2000] NGC 5457 X-14 X 14 03 20.4 +54 17 15           ~ 1 0
235 [LLJ2000] NGC 5457 X2 X 14 03 22.4 +54 19 41           ~ 2 0
236 [LLJ2000] NGC 5457 X3 X 14 03 24.0 +54 19 41           ~ 2 0
237 [WIP99] H31 X 14 03 31.11 +54 21 55.8           ~ 4 0
238 [JRW2005b] 122 UX? 14 03 32.38 +54 21 03.0   21.13       ~ 113 0
239 [RW2000] NGC 5457 X-19 X 14 03 36.5 +54 19 21           ~ 1 0
240 [RW2000] NGC 5457 X-20 X 14 03 41.8 +54 19 02           ~ 2 0
241 [RW2000] NGC 5457 X-21 X 14 03 51.2 +54 24 09           ~ 1 0
242 [RW2000] NGC 5457 X-22 X 14 03 54.6 +54 21 55           ~ 1 0
243 [RW2000] NGC 5457 X-23 X 14 04 00.4 +54 09 09           ~ 1 0
244 2E 1402.4+5440 UX? 14 04 14.28 +54 26 03.6           ~ 25 1
245 [RW2000] NGC 5457 X-25 X 14 04 17.5 +54 16 10           ~ 1 0
246 [LB2005] NGC 5457 X21 X 14 04 22.14 +54 19 21.8           ~ 2 0
247 [RW2000] NGC 5457 X-27 X 14 04 29.7 +54 23 51           ~ 2 0
248 NGC 5775 GiP 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 434 2
249 NGC 5850 LIN 15 07 07.6828131840 +01 32 39.513281352   11.5   10.79 11.1 ~ 315 1
250 NGC 5905 H2G 15 15 23.3280793632 +55 31 01.926808032   13.6       ~ 273 1
251 [RW2000] NGC 5905 X-1 X 15 15 23.7 +55 30 57           ~ 1 0
252 NGC 6217 AGN 16 32 39.2100852960 +78 11 53.487076092   14.37 13.88     ~ 302 0
253 [RW2000] NGC 6217 X-1 X 16 32 40.6 +78 11 49           ~ 1 0
254 [LB2005] NGC 6503 X1 X 17 49 12.42 +70 09 28.4           ~ 3 0
255 NGC 6503 LIN 17 49 26.4207792072 +70 08 39.604132176 11.56 10.95 10.28 9.92   ~ 520 1
256 NGC 6654 AG? 18 24 07.6171148928 +73 10 59.672609364   12.70       ~ 83 0
257 [RW2000] NGC 6946 X-1 X 20 34 26.5 +60 09 06           ~ 1 0
258 [RW2000] NGC 6946 X-2 X 20 34 34.86 +60 10 33.3           ~ 4 0
259 [HSH2003] 15 SNR 20 34 36.48 +60 09 30.4           ~ 18 0
260 [LM2005] NGC 6946 ULX1 X 20 34 37.0 +60 09 26           ~ 6 0
261 [RW2000] NGC 6946 X-4 X 20 34 49.4 +60 05 48           ~ 1 0
262 [RW2000] NGC 6946 X-5 X 20 34 50.1 +60 12 15           ~ 1 0
263 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2527 2
264 [RW2000] NGC 6946 X-7 X 20 34 57.4 +60 08 25           ~ 1 0
265 [RW2000] NGC 6946 X-8 X 20 34 58.5 +60 09 37           ~ 1 0
266 IXO 85 UX? 20 35 00.11 +60 09 08.5           ~ 26 1
267 NAME NGC 6946 SNR SNR 20 35 00.74 +60 11 30.6           ~ 107 0
268 [LB2005] NGC 6946 X3 X 20 35 01.52 +60 10 07.2           ~ 6 0
269 [RW2000] NGC 6946 X-12 X 20 35 12.9 +60 07 26           ~ 1 0
270 [RW2000] NGC 6946 X-13 X 20 35 19.4 +60 10 53           ~ 1 0
271 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1227 2
272 [RW2000] NGC 7331 X-1 X 22 37 04.4 +34 24 51           ~ 2 0

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