2007ApJS..172..368M

Query : 2007ApJS..172..368M

2007ApJS..172..368M - Astrophys. J., Suppl. Ser., 172, 368-382 (2007/September-0)

The XMM-Newton wide-field survey in the COSMOS field. IV. X-ray spectral properties of active galactic nuclei.

MAINIERI V., HASINGER G., CAPPELLUTI N., BRUSA M., BRUNNER H., CIVANO F., COMASTRI A., ELVIS M., FINOGUENOV A., FIORE F., GILLI R., LEHMANN I., SILVERMAN J., TASCA L., VIGNALI C., ZAMORANI G., SCHINNERER E., IMPEY C., TRUMP J., LILLY S., MAIER C., GRIFFITHS R.E., MIYAJI T., CAPAK P., KOEKEMOER A., SCOVILLE N., SHOPBELL P. and TANIGUCHI Y.

Abstract (from CDS):

We present a detailed spectral analysis of pointlike X-ray sources in the XMM-Newton COSMOS field. Our sample of 135 sources only includes those that have more than 100 net counts in the 0.3-10 keV energy band and have been identified through optical spectroscopy. The majority of the sources are well described by a simple power-law model with either no absorption (76%) or a significant intrinsic, absorbing column (20%). The remaining ∼4% of the sources require a more complex modeling by incorporating additional components to the power law. For sources with more than 180 net counts (bright sample), we allowed both the photon spectral index Γ and the equivalent hydrogen column NH to be free parameters. For fainter sources, we fix Γ to the average value and allow NH to vary. The mean spectral index of the 82 sources in the bright sample is Γ=2.06±0.08, with an intrinsic dispersion of ∼0.24. Each of these sources has fractional errors on the value of Γ below 20%. As expected, the distribution of intrinsic absorbing column densities is markedly different between AGNs with or without broad optical emission lines. We find within our sample four type 2 QSO candidates (LX>1044 ergs/s, NH>1022/cm2), with a spectral energy distribution well reproduced by a composite Seyfert 2 spectrum, that demonstrates the strength of the wide-field COSMOS XMM-Newton survey to detect these rare and underrepresented sources. In addition, we have identified a Compton-thick (NH>1.5x1024/cm2) AGN at z=0.1248. Its X-ray spectrum is well fitted by a pure reflection model and a significant Fe Kα line at rest-frame energy of 6.4 keV.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Active - Surveys - X-Rays: Diffuse Background - X-Rays: Galaxies - X-Rays: General

VizieR on-line data: <Available at CDS (J/ApJS/172/368): table1.dat>

Nomenclature: Table 1: [MHC2007] JHHMMSS.ss+DDMMSS.s N=135.

Simbad objects: 136

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Number of rows : 136
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 3XMM J095819.8+022903 Sy1 09 58 19.8739847256 +02 29 03.555116304 19.38 19.24 19.38 18.3 19.09 ~ 60 0
2 [VV2006] J095848.9+023441 QSO 09 58 48.8620037856 +02 34 41.130748272   20.4926 20.4018   20.656 ~ 55 0
3 [VV2006] J095857.3+021314 QSO 09 58 57.3496057368 +02 13 14.492449524 21.21 20.8295 20.0528   19.94 ~ 79 0
4 2XMM J095858.5+021459 Sy1 09 58 58.5334227912 +02 14 59.123267484 20.49 19.39 18.69 17.381 17.01 ~ 58 0
5 [VV2006] J095858.7+020138 QSO 09 58 58.6825359312 +02 01 39.052405992   19.0139 18.6273   18.713 ~ 75 0
6 2XMM J095902.5+022511 Sy1 09 59 02.557 +02 25 11.43   22.52 22.22   22.133 ~ 29 0
7 2MASS J09590277+0219067 QSO 09 59 02.7609793632 +02 19 06.384805500   19.792 19.450 19.10 18.92 ~ 68 0
8 ACS-GC 20275807 AGN 09 59 04.34 +02 25 52.9   23.143 22.787   20.552 ~ 30 0
9 SDSS J095907.65+020820.6 Sy1 09 59 07.656 +02 08 20.67   20.8608 19.8155   18.92 ~ 53 0
10 3XMM J095909.5+021916 Sy1 09 59 09.5436149208 +02 19 16.324466124   21.6213 20.8769   19.924 ~ 45 0
11 ACS-GC 20128190 AGN 09 59 09.98 +02 20 17.7 23.055 22.83 22.11 21.896 21.428 ~ 28 0
12 ACS-GC 20096359 AGN 09 59 17.27 +02 15 16.7 22.655 22.53 21.5885 21.816 21.243 ~ 31 0
13 [VV2006] J095918.7+020951 QSO 09 59 18.7050430848 +02 09 51.483406932 20.57 20.30 19.93   19.451 ~ 69 0
14 [VV2006] J095920.9+020032 QSO 09 59 20.8933151448 +02 00 31.772233584   21.26 20.98   20.93 ~ 37 0
15 [VV2006] J095924.5+015953 QSO 09 59 24.4671178128 +01 59 54.321806436   18.568 18.599   18.53 ~ 72 0
16 SDSS J095926.88+015341.3 Sy2 09 59 26.886 +01 53 41.33 22.54 21.3563 20.1684   18.95 ~ 41 0
17 2XMM J095928.3+022106 Sy1 09 59 28.321 +02 21 06.75 21.387 20.6968 19.7947 20.138 19.790 ~ 33 0
18 [VV2006] J095928.3+021950 QSO 09 59 28.3315537464 +02 19 50.493467388 21.22 21.0403 20.8343   20.777 ~ 47 0
19 [VV2006] J095929.2+022033 QSO 09 59 29.24 +02 20 34.4   22.115 21.8356   21.86 ~ 36 0
20 ACS-GC 20070981 Sy2 09 59 34.453 +02 06 27.68   23.4209 22.5391   21.324 ~ 30 0
21 SDSS J095934.75+021028.0 Sy1 09 59 34.755 +02 10 28.07 22.837 23.1363 22.58 22.18 22.059 ~ 41 0
22 2XMM J095935.5+020537 QSO 09 59 35.501 +02 05 38.20   22.2112 22.1366   21.73 ~ 35 0
23 SDSS J095938.28+020450.0 QSO 09 59 38.2905119568 +02 04 50.066591052   21.2275 20.5315   20.13 ~ 43 0
24 [VV2006] J095940.0+022306 QSO 09 59 40.0605651792 +02 23 06.676861812   20.5731 20.1035   20.162 ~ 49 0
25 [VV2006] J095940.7+021938 QSO 09 59 40.7427799416 +02 19 38.744153760 21.30 20.9818 20.4557   20.15 ~ 49 0
26 ACS-GC 20122162 Sy2 09 59 44.61 +02 26 26.1   22.6104 21.8807   21.540 ~ 31 0
27 ACS-GC 20095908 AGN 09 59 45.34 +02 10 29.6   25.316 25.186   23.692 ~ 19 0
28 SDSS J095946.92+022209.3 Sy1 09 59 46.9227404784 +02 22 09.358553892   21.2705 20.6555   21.01 ~ 35 0
29 [VV2006] J095949.4+020140 QSO 09 59 49.4023471848 +02 01 40.976414868   19.84 19.67   19.00 ~ 77 0
30 2XMM J095949.8+020012 QSO 09 59 49.848 +02 00 11.08   21.4169 21.0154   21.03 ~ 35 0
31 ACS-GC 20016020 Sy2 09 59 56.049 +01 47 27.73 24.07 23.00 21.742 21.140 20.671 ~ 27 0
32 SDSS J095958.47+021530.8 AGN 09 59 58.474 +02 15 30.84   21.2843 20.9745   19.973 ~ 42 0
33 [VV2006] J095958.6+021805 QSO 09 59 58.5352330248 +02 18 05.143568796   20.7067 20.349   20.12 ~ 39 0
34 ACS-GC 20122069 Sy1 10 00 01.01 +02 23 21.0   22.8666 22.7629   22.827 ~ 29 0
35 SDSS J100001.06+021413.5 Sy1 10 00 01.064 +02 14 13.56   22.7446 22.2065   21.70 ~ 41 0
36 SDSS J100005.35+023059.6 rG 10 00 05.372 +02 30 59.57 25.15 24.54 23.08 22.31 21.133 ~ 42 0
37 ACS-GC 20151038 rG 10 00 06.42 +02 33 43.3 24.58 23.99 22.632 22.20 21.049 ~ 34 0
38 ACS-GC 20123349 Sy2 10 00 11.69 +02 19 19.7   24.144 23.358   21.395 ~ 24 0
39 [VV2006] J100012.9+023523 QSO 10 00 12.9097049400 +02 35 22.829192268   19.0 19.24 18.5 18.89 ~ 81 0
40 SDSS J100013.33+022657.2 rG 10 00 13.335 +02 26 57.21   24.036 23.075   20.328 ~ 35 0
41 ACS-GC 20092931 AGN 10 00 13.42 +02 14 00.5 23.33 22.915 22.585   20.828 ~ 38 0
42 [VV2006] J100014.0+020054 QSO 10 00 14.1384525888 +02 00 54.483786360   19.9645 19.7155   19.77 ~ 73 0
43 SDSS J100016.28+015104.6 Sy1 10 00 16.289 +01 51 04.63 21.526 21.508 21.111 21.026 20.826 ~ 39 0
44 ACS-GC 20255441 AGN 10 00 16.61 +02 13 52.8   24.6969 24.1455   23.943 ~ 27 0
45 [VV2006] J100024.5+020619 QSO 10 00 24.4802452008 +02 06 19.669651812   19.43 19.42   19.89 ~ 64 0
46 [VV2006] J100024.6+023148 QSO 10 00 24.6430888128 +02 31 49.086054588 19.22 18.80 18.87 18.89 18.93 ~ 75 0
47 [VV2006] J100025.2+015851 QSO 10 00 25.2472241232 +01 58 52.087650276   18.71 18.62   18.81 ~ 82 0
48 SDSS J100025.32+020734.7 AGN 10 00 25.328 +02 07 34.70   22.1937 21.4948   21.73 ~ 29 0
49 ACS-GC 20037807 Sy1 10 00 28.07 +01 55 47.6   23.1484 23.0656   22.979 ~ 28 0
50 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
51 ACS-GC 20271392 Sy2 10 00 28.70 +02 17 45.3 23.89 24.270 23.976   24.188 ~ 31 0
52 ACS-GC 20150030 rG 10 00 31.28 +02 28 19.8   24.100 23.435   21.138 ~ 34 0
53 [VV2006] J100031.6+014757 QSO 10 00 31.6153401336 +01 47 57.808703760   21.266 21.1055   20.90 ~ 39 0
54 [VV2006] J100033.4+015237 QSO 10 00 33.3873091176 +01 52 37.081235388   20.955 20.678   20.392 ~ 40 0
55 SDSS J100033.49+013811.4 Sy1 10 00 33.492 +01 38 11.41 22.14 21.66 21.53   21.10 ~ 34 0
56 [VV2006] J100034.9+020235 QSO 10 00 34.9413363408 +02 02 34.997089776   21.015 20.5893   20.710 ~ 41 0
57 SDSS J100036.06+022830.4 Sy2 10 00 36.058 +02 28 30.46 23.50 22.834 22.283   20.536 ~ 63 0
58 ACS-GC 20117662 rG 10 00 38.00 +02 24 55.5   26.922 25.557   22.867 ~ 28 0
59 SDSS J100038.29+013708.3 Sy1 10 00 38.295 +01 37 08.39   22.696 22.383   21.888 ~ 24 0
60 2XMM J100041.5+013659 QSO 10 00 41.555 +01 36 58.77 21.71 21.00 20.84   19.513 ~ 30 0
61 ACS-GC 20117742 Sy2 10 00 41.75 +02 24 10.8   23.8384 23.0355   22.613 ~ 31 0
62 ACS-GC 20013397 Sy1 10 00 42.38 +01 45 34.1   23.0058 22.0946   21.567 ~ 27 0
63 SDSS J100043.13+020637.2 Sy1 10 00 43.1299846800 +02 06 37.403465580 20.25 19.86 19.37   18.79 ~ 125 0
64 ACS-GC 20090331 AGN 10 00 43.202 +02 13 52.75   23.9125 23.8059   23.565 ~ 30 0
65 2XMM J100046.7+020404 Sy1 10 00 46.7335514400 +02 04 04.463719032   20.455 20.469   19.578 ~ 38 0
66 ACS-GC 20013589 Sy1 10 00 46.81 +01 47 37.6 23.598 23.16 22.58 22.35 21.709 ~ 36 0
67 [VV2006] J100046.8+020015 QSO 10 00 46.9371882624 +02 00 15.914905272 20.55 20.29 20.32   20.13 ~ 48 0
68 [VV2006] J100047.8+020756 QSO 10 00 47.7541645248 +02 07 56.997161220   19.50 19.30   19.49 ~ 51 0
69 SDSS J100047.92+014935.6 AGN 10 00 47.925 +01 49 35.61   23.5891 22.6031   20.719 ~ 30 0
70 SDSS J100047.93+021127.0 QSO 10 00 47.938 +02 11 27.06   21.3091 21.0948   21.12 ~ 38 0
71 ACS-GC 20090151 Sy2 10 00 49.51 +02 17 08.8         22.563 ~ 25 0
72 SDSS J100049.91+020459.9 QSO 10 00 49.9113123744 +02 05 00.004739784   20.408 20.101   19.241 ~ 52 0
73 2XMM J100049.9+015230 QSO 10 00 49.9700230056 +01 52 31.197934056   21.0559 20.5266   20.579 ~ 36 0
74 [VV2006] J100051.5+021215 QSO 10 00 51.5174198904 +02 12 15.332100804   21.2347 21.2034   20.99 ~ 38 0
75 COSMOS2015 644795 Sy2 10 00 52.553 +02 16 44.14           ~ 16 0
76 ACS-GC 20090171 rG 10 00 53.770 +02 16 14.88   24.569 24.658   23.687 ~ 29 0
77 [VV2006] J100055.4+023441 QSO 10 00 55.3918478664 +02 34 41.397836232 20.85 20.4406 20.1366   20.05 ~ 73 0
78 [VV2006] J100058.3+015208 QSO 10 00 58.3408480296 +01 52 08.656878900   21.1464 20.8723   20.891 ~ 35 0
79 SDSS J100058.70+022556.2 Sy1 10 00 58.705 +02 25 56.21 21.750 21.4478 21.1526 21.211 20.872 ~ 42 0
80 [VV2006] J100058.8+015400 QSO 10 00 58.8426061536 +01 54 00.208903968   20.3763 20.1944   20.008 ~ 70 0
81 SDSS J100100.80+015947.6 Sy1 10 01 00.809 +01 59 47.64   22.3313 21.6764   21.833 ~ 36 0
82 SDSS J100105.31+021348.3 QSO 10 01 05.3121211080 +02 13 48.296075376   20.9144 20.4948   20.605 ~ 43 0
83 ACS-GC 20034290 Sy2 10 01 05.61 +01 56 03.2 26.48 25.96 24.63 23.65 22.32 ~ 30 0
84 ACS-GC 20062797 AGN 10 01 05.90 +01 59 19.8   24.683 23.939   21.527 ~ 28 0
85 COSMOS2015 722987 QSO 10 01 08.36 +02 23 42.2   21.647 21.893   21.57 ~ 29 0
86 2XMM J100108.5+020053 QSO 10 01 08.547 +02 00 52.43   21.3345 20.8779   20.95 ~ 36 0
87 [VV2006] J100114.3+022356 QSO 10 01 14.2959939888 +02 23 56.870929824 19.71 19.44 19.46   19.165 ~ 75 0
88 SDSS J100114.85+020208.4 Sy1 10 01 14.857 +02 02 08.47   22.0742 21.2343   20.71 ~ 48 0
89 ACS-GC 20143757 Sy2 10 01 17.70 +02 33 09.4   24.0342 23.0174   22.599 ~ 24 0
90 2XMM J100118.5+015542 Sy1 10 01 18.526 +01 55 42.84 21.393 21.241 20.881 20.624 20.293 ~ 40 0
91 SDSS J100118.77+020729.7 Sy1 10 01 18.777 +02 07 29.70         22.30 ~ 33 0
92 SDSS J100122.17+021334.5 Sy2 10 01 22.179 +02 13 34.50   23.5793 22.5959   21.552 ~ 29 0
93 ACS-GC 20086356 Sy2 10 01 23.9774859264 +02 14 45.919643640   22.629 21.881   21.670 ~ 34 0
94 2XMM J100124.8+022031 QSO 10 01 24.8637470400 +02 20 31.785153756   21.2235 20.8361   20.589 ~ 34 0
95 SDSS J100128.00+021819.3 Sy1 10 01 28.006 +02 18 19.32   23.6238 22.7875   22.768 ~ 25 0
96 2XMM J100129.3+013633 Sy2 10 01 29.4222404328 +01 36 33.785358768 19.74 18.60 17.95   16.418 ~ 38 0
97 SDSS J100129.82+023238.9 Sy1 10 01 29.808 +02 32 39.15   22.462 21.891   20.877 ~ 31 0
98 [VV2006] J100130.3+014304 QSO 10 01 30.3734761944 +01 43 04.268701704   20.639 20.3752   20.138 ~ 62 0
99 SDSS J100131.15+022924.8 rG 10 01 31.1467723056 +02 29 24.676799892 22.564 21.578 20.161 19.555 18.909 ~ 39 0
100 ACS-GC 20143708 Sy1 10 01 31.87 +02 33 35.4   22.6048 22.4326   22.311 ~ 27 0
101 2XMM J100136.2+015442 QSO 10 01 36.231 +01 54 43.02   21.2025 20.7841   21.013 ~ 29 0
102 [VV2006] J100136.5+025304 QSO 10 01 36.5008649664 +02 53 03.576565104   19.78 19.61     ~ 47 0
103 ACS-GC 20142119 Sy2 10 01 37.69 +02 28 44.0   22.853 22.186   21.326 ~ 25 0
104 ACS-GC 20142373 Sy1 10 01 39.83 +02 31 32.8   23.2293 23.186   23.055 ~ 31 0
105 SDSS J100141.08+021259.9 Sy1 10 01 41.089 +02 12 59.97   22.4603 21.8769   21.462 ~ 28 0
106 SDSS J100141.33+021031.1 Sy1 10 01 41.340 +02 10 31.32   21.4017 20.726   20.541 ~ 36 0
107 ACS-GC 20058793 QSO 10 01 41.42 +02 00 51.1 22.258 22.35 21.6944 22.12 21.807 ~ 34 0
108 2MASX J10014194+0203577 LIN 10 01 41.984 +02 03 58.15 20.88 19.56 18.54 17.427 16.11 ~ 36 0
109 2XMM J100143.4+015606 QSO 10 01 43.443 +01 56 06.85   21.5402 21.1378   20.969 ~ 32 0
110 [VV2006] J100151.1+020032 QSO 10 01 51.1119881760 +02 00 32.429882736   20.36 20.05   20.015 ~ 44 0
111 ACS-GC 20084352 Sy1 10 01 56.25 +02 09 43.3   22.4623 22.4187   22.126 ~ 33 0
112 SDSS J100156.43+014810.9 Sy2 10 01 56.438 +01 48 10.98   23.1088 22.2913   21.773 ~ 25 0
113 ACS-GC 20007062 Sy2 10 01 58.01 +01 46 21.4 23.22 22.4994 21.5734   20.79 ~ 33 0
114 [VV2006] J100202.8+022434 QSO 10 02 02.7744155544 +02 24 34.595331228   20.4499 19.9723 20.11 20.33 ~ 66 0
115 SDSS J100208.54+014553.5 AGN 10 02 08.546 +01 45 53.58   21.505 21.529   21.166 ~ 25 0
116 [VV2006] J100210.7+023025 QSO 10 02 10.7189206536 +02 30 26.192705292   19.887 19.673 19.0 19.393 ~ 63 0
117 ACS-GC 20000627 rG 10 02 11.27 +01 37 06.6 24.48 24.146 24.188   22.613 ~ 82 0
118 SDSS J100214.15+020620.5 Sy1 10 02 14.155 +02 06 20.55   22.6786 21.9575   22.244 ~ 27 0
119 [VV2006] J100219.5+015537 QSO 10 02 19.4932576296 +01 55 37.011633780   21.160 21.027   20.410 ~ 59 0
120 SDSS J100222.98+020639.8 Sy2 10 02 22.988 +02 06 39.87   22.502 22.031   21.181 ~ 24 0
121 SDSS J100223.04+014714.8 Sy1 10 02 23.047 +01 47 14.85   22.03 21.31   21.39 ~ 32 0
122 SDSS J100226.74+014051.6 Sy2 10 02 26.7494652696 +01 40 51.611304360 21.52 20.83 20.04   18.741 ~ 25 0
123 SDSS J100229.32+014528.0 Sy1 10 02 29.3264081712 +01 45 28.067954436         20.127 ~ 25 0
124 COSMOS J100230.06+014810.4 QSO 10 02 30.0351258984 +01 48 10.350662076         19.610 ~ 33 0
125 2XMM J100232.5+014009 QSO 10 02 32.530 +01 40 08.75   21.174 21.100   20.684 ~ 25 0
126 [VV2006] J100234.3+015010 QSO 10 02 34.3314019656 +01 50 11.185841868   19.40 19.13   18.820 ~ 59 0
127 [VV2006] J100236.7+015948 QSO 10 02 36.7048938912 +01 59 48.614675208   20.0784 19.8376   19.883 ~ 60 0
128 SDSS J100237.08+014648.0 AGN 10 02 37.081 +01 46 48.01         20.501 ~ 21 0
129 [VV2006] J100238.2+013746 QSO 10 02 38.2539442032 +01 37 46.571198844 19.71 19.05 19.15   19.17 ~ 61 0
130 SDSS J100238.70+013936.4 QSO 10 02 38.7039092280 +01 39 36.486819576   21.208 21.095   20.563 ~ 34 0
131 ACS-GC 20054548 AGN 10 02 40.30 +02 01 47.2   25.105 23.984   21.802 ~ 22 0
132 2XMM J100243.8+020502 QSO 10 02 43.855 +02 05 02.50   20.9912 20.598   20.555 ~ 26 0
133 COSMOS2015 199713 Sy1 10 02 53.11 +01 34 56.6   24.412 24.018     ~ 20 0
134 SDSS J100257.46+015405.5 Sy1 10 02 57.462 +01 54 05.53   21.773 21.615   21.675 ~ 22 0
135 [VV2006] J100302.8+015207 QSO 10 03 02.9230022616 +01 52 08.557744548   20.57 20.39   19.879 ~ 54 0
136 SDSS J100305.07+015156.4 Sy2 10 03 05.0765464728 +01 51 56.397393468         20.970 ~ 16 0

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