2007ApJ...670..978B


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST15:15:46

2007ApJ...670..978B - Astrophys. J., 670, 978-991 (2007/December-1)

Relativistic iron K emission and absorption in the Seyfert 1.9 galaxy MCG -5-23-16.

BRAITO V., REEVES J.N., DEWANGAN G.C., GEORGE I., GRIFFITHS R.E., MARKOWITZ A., NANDRA K., PORQUET D., PTAK A., TURNER T.J., YAQOOB T. and WEAVER K.

Abstract (from CDS):

We present the results of the simultaneous deep XMM-Newton and Chandra observations of the bright Seyfert 1.9 galaxy MCG -5-23-16, which is thought to have one of the best known examples of a relativistically broadened iron Kα line. The time-averaged spectral analysis shows that the iron K-shell complex is best modeled with an unresolved narrow emission component (FWHM<5000 km/s, EW∼60 eV) plus a broad component. This latter component has FWHM∼44,000 km/s and EW∼50 eV. Its profile is well described by an emission line originating from an accretion disk viewed with an inclination angle ∼40°, with the emission arising from within a few tens of gravitational radii of the central black hole. The time-resolved spectral analysis of the XMM-Newton EPIC pn spectrum shows that both the narrow and broad components of the Fe K emission line appear to be constant in time within the errors. We detected a narrow sporadic absorption line at 7.7 keV, which appears to be variable on a timescale of 20 ks. If associated with Fe XXVI Lyα, this absorption is indicative of a possibly variable, high-ionization, high-velocity outflow. The variability of this absorption feature appears to rule out a local (z=0) origin. The analysis of the XMM-Newton RGS spectrum reveals that the soft X-ray emission of MCG -5-23-16 is likely dominated by several emission lines superimposed on an unabsorbed scattered power-law continuum. The lack of strong Fe L-shell emission, together with the detection of a strong forbidden line in the O VII triplet, is consistent with a scenario in which the soft X-ray emission lines are produced in a plasma photoionized by the nuclear emission.

Abstract Copyright:

Journal keyword(s): Galaxies: Active - Galaxies: Individual: Alphanumeric: MCG -5-23-16 - Galaxies: Seyfert - X-Rays: Galaxies

CDS comments: H 1821+621 is a misprint for H 1821+643

Simbad objects: 20

goto Full paper

goto View the reference in ADS

Number of rows : 20

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 Mrk 335 Sy1 00 06 19.5371542746 +20 12 10.617456059   14.19 13.85     ~ 1093 0
2 M 77 GiP 02 42 40.771 -00 00 47.84 9.70 9.61 8.87 10.1 9.9 ~ 4093 2
3 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1524 2
4 Mrk 3 Sy2 06 15 36.458 +71 02 15.24 14.21 14.03 12.97     ~ 843 3
5 QSO J0831+5245 QSO 08 31 41.7095363198 +52 45 17.620340544   19.2   14.5 13.9 ~ 488 1
6 ESO 434-40 Sy2 09 47 40.1345889569 -30 56 55.959492708   14.10 13.69 12.44   ~ 487 0
7 NGC 3516 Sy1 11 06 47.4596406816 +72 34 07.189563769   13.12 12.40     ~ 1418 0
8 QSO B1115+080A QSO 11 18 16.951 +07 45 58.23   16.61 16.44     ~ 618 2
9 NGC 3783 Sy1 11 39 01.7095761008 -37 44 19.008597647   12.46 13.43 11.33 12.1 ~ 1487 0
10 NGC 4151 Sy1 12 10 32.5771747733 +39 24 21.057727323   12.18 11.48     ~ 3380 2
11 PB 3894 Sy1 12 14 17.6737003918 +14 03 13.182526431   14.46 14.19     ~ 739 0
12 NGC 4507 Sy2 12 35 36.6328010225 -39 54 33.661858548   12.95 13.54 11.70 12.4 ~ 438 0
13 ESO 383-35 Sy1 13 35 53.7686909139 -34 17 44.139127597   13.89 13.61 8.9   ~ 1379 0
14 ESO 445-50 Sy1 13 49 19.2607281800 -30 18 34.224136831   13.81 13.66 12.18   ~ 732 0
15 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1008 2
16 QSO B1725-142 QSO 17 28 19.7893541722 -14 15 55.855574749   14.69 14.03 13.7   ~ 231 0
17 ClG 1821+64 ClG 18 21 56.7276 +64 20 55.841           ~ 492 1
18 2E 4066 Sy1 18 21 57.2365 +64 20 36.226   14.23 14.24     ~ 534 1
19 Mrk 509 Sy1 20 44 09.7504131334 -10 43 24.724854084   13.35 13.12 10.7   ~ 1129 0
20 UGC 12163 Sy1 22 42 39.3364258078 +29 43 31.301194419   14.86 14.16     ~ 616 1

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2007ApJ...670..978B and select 'bookmark this link' or equivalent in the popup menu


2020.07.12-15:15:46

© Université de Strasbourg/CNRS

    • Contact