2006MNRAS.365.1067C

Query : 2006MNRAS.365.1067C

2006MNRAS.365.1067C - Mon. Not. R. Astron. Soc., 365, 1067-1081 (2006/February-1)

An explanation for the soft X-ray excess in active galactic nuclei.

CRUMMY J., FABIAN A.C., GALLO L. and ROSS R.R.

Abstract (from CDS):

We present a large sample of type 1 active galactic nuclei (AGN) spectra taken with XMM-Newton, and fit them with both the conventional model (a power law and blackbody) and the relativistically blurred photoionized disc reflection model of Ross & Fabian. We find that the disc reflection model is a better fit. The disc reflection model successfully reproduces the continuum shape, including the soft excess, of all the sources. The model also reproduces many features that would conventionally be interpreted as absorption edges. We are able to use the model to infer the properties of the sources, specifically that the majority of black holes in the sample are strongly rotating, and that there is a deficit in sources with an inclination >70°. We conclude that the disc reflection model is an important tool in the study of AGN X-ray spectra.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): accretion, accretion discs - galaxies: active - X-rays: galaxies

Simbad objects: 36

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Number of rows : 36
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 Mrk 335 Sy1 00 06 19.5372339024 +20 12 10.617404076   14.19 13.85     ~ 1344 0
2 Mrk 1502 Sy1 00 53 34.9331107632 +12 41 35.929269132   14.41 14.03     ~ 1242 1
3 Ton S 180 Sy1 00 57 20.2040816832 -22 22 56.575212564   14.60 14.34 15.23   ~ 320 0
4 Z 459-57 Sy1 01 27 32.5217343720 +19 10 43.839069600   14.89 14.22     ~ 333 0
5 2MASS J01395577+0619225 Sy1 01 39 55.7697705024 +06 19 22.520805888   16.80 17.00     ~ 189 0
6 Mrk 1014 Sy1 01 59 50.2534701768 +00 23 40.864244784   16.08 15.87     ~ 606 0
7 Mrk 586 Sy1 02 07 49.8619039200 +02 42 55.876760568   15.67 15.41     ~ 192 0
8 MCG-02-07-024 Sy1 02 30 05.5225590096 -08 59 53.207139372   14.74 14.29 13.981 13.585 ~ 332 0
9 QSO B0558-5026 BLL 05 59 47.3916612936 -50 26 52.025952120   15.18 14.97     ~ 307 1
10 LEDA 88588 Sy1 07 08 41.4886614696 -49 33 06.308921700   16.02 15.7 12.7   ~ 566 0
11 Ton 951 Sy1 08 47 42.4485615096 +34 45 04.482515304   14.83 14.50     ~ 487 0
12 LEDA 2149945 Sy1 09 50 48.3803143440 +39 26 50.467298496   16.83 16.73     ~ 216 0
13 PG 0953+414 Sy1 09 56 52.3931554992 +41 15 22.211247636 14.710 15.611 15.546 15.294 14.720 ~ 472 0
14 Z 212-25 Sy1 10 34 38.5982990352 +39 38 28.187042604   17.37 16.90     ~ 402 1
15 QSO B1048+342 Sy1 10 51 43.8916339296 +33 59 26.683392840   17.11 16.79     ~ 210 0
16 LEDA 34570 Sy1 11 18 30.2894794680 +40 25 54.068810952   16.34 16.21     ~ 246 0
17 Ton 1388 Sy1 11 19 08.6786220240 +21 19 17.987085948   14.91 14.80     ~ 492 0
18 NGC 4051 Sy1 12 03 09.6101337312 +44 31 52.682601288   11.08 12.92 9.94   ~ 2270 1
19 QSO J1204+2754 Bla 12 04 42.1097215992 +27 54 11.869350264   15.64 15.60     ~ 429 0
20 PB 3894 Sy1 12 14 17.6738687784 +14 03 13.182723144   14.46 14.19     ~ 873 0
21 NGC 4253 Sy1 12 18 26.5163572920 +29 48 46.531535472   14.34 13.57     ~ 1106 1
22 LBQS 1244+0238 Sy1 12 46 35.2527826632 +02 22 08.782546368   16.57 16.37     ~ 313 0
23 LEDA 45656 Sy1 13 09 47.0031619008 +08 19 48.212362524   16.04 15.89     ~ 412 0
24 Ton 1565 Bla 13 12 17.7526981968 +35 15 21.086467128   15.45 15.64 14.2   ~ 292 1
25 2MASS J13234951+6541480 Sy1 13 23 49.5182430360 +65 41 48.164463600   16.01 15.84     ~ 185 1
26 MCG-06-30-015 Sy1 13 35 53.7691256160 -34 17 44.160716796   13.89 13.61 8.9   ~ 1559 0
27 IRAS 13349+2438 Sy1 13 37 18.7199358192 +24 23 03.319883484     15.0     ~ 410 0
28 2E 1346.2+2637 Sy1 13 48 34.2780501768 +26 22 05.886124464   18.99 18.77     ~ 69 0
29 PB 4142 Sy1 13 54 35.6874184872 +18 05 17.504491992   16.84 16.68     ~ 237 1
30 Ton 182 Sy1 14 05 16.2178674936 +25 55 34.117540788   15.42 15.34     ~ 268 0
31 PG 1404+226 Sy1 14 06 21.8900886888 +22 23 46.515550056   16.62 16.42     ~ 254 0
32 2MASS J14294306+4747262 Sy1 14 29 43.0739786592 +47 47 26.217623904   17.29 16.97     ~ 195 0
33 Mrk 478 Sy1 14 42 07.4714418744 +35 26 22.938625500   14.91 14.58     ~ 567 1
34 2MASS J14464593+4035057 Sy1 14 46 45.9392259288 +40 35 05.797233636   16.28 16.11     ~ 302 0
35 Mrk 841 Sy1 15 04 01.1935384104 +10 26 15.780409692   14.50 14.27     ~ 701 0
36 Z 495-18 Sy1 22 42 39.3363009144 +29 43 31.302092640   14.86 14.16     ~ 748 1

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