SIMBAD references

2006MNRAS.367.1132G - Mon. Not. R. Astron. Soc., 367, 1132-1138 (2006/April-2)

The ultraluminous X-ray sources in the high-velocity system of NGC1275.


Abstract (from CDS):

We report the results of a study of X-ray point sources coincident with the high-velocity system (HVS) projected in front of NGC1275. A very deep X-ray image of the core of the Perseus cluster, made with the Chandra X-ray Observatory, has been used. We find a population of ultraluminous X-ray sources [ULXs; seven sources with LX(0.5 - 7.0 keV) > 7x1039erg/s]. As with the ULX populations in the Antennae and Cartwheel galaxies, those in the HVS are associated with a region of very active star formation. Several sources have possible optical counterparts found on the Hubble Space Telescope (HST) images, although the X-ray brightest one does not. Absorbed power-law models fit the X-ray spectra, with most having a photon index between 2 and 3.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: clusters: individual: Perseus - galaxies: individual: NGC1275

Nomenclature: Table 2: [GFS2006] N (Nos 1-8).

CDS comments: in Chap. 4 : M51 X-1 is a misprint for M51 X-7.

Simbad objects: 20

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