SIMBAD references

2007MNRAS.382..895S - Mon. Not. R. Astron. Soc., 382, 895-902 (2007/December-1)

X-ray active galactic nuclei in the core of the Perseus cluster.


Abstract (from CDS):

We present a study of the X-ray emission from the nuclei of galaxies observed in the core of the Perseus cluster in a deep exposure with Chandra. Point sources are found coincident with the nuclei of 13 early-type galaxies, as well as the central galaxy NGC1275. This corresponds to all galaxies brighter than MB> -18 in the Chandra field. All of these sources have a steep power-law spectral component and four have an additional thermal component. The unabsorbed power-law luminosities in the 0.5-7.0 keV band range from 8x1038 to 5x1040erg/s. We find no simple correlations between the K-band luminosity, or the FUV and NUV AB magnitudes of these galaxies and their X-ray properties. We have estimated the black hole masses of the nuclei using the K-band MBH-L_Kbol_ relation and again find no correlation between black hole mass and the X-ray luminosity. Bondi accretion on to the black holes in the galaxies with minihaloes should make them much more luminous than observed.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: clusters: individual: Perseus - X-rays: galaxies

Nomenclature: Table 1: [SSF2007] NN (Nos 1-13). Table 2: [SSF2007] N=36.

Simbad objects: 74

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