2001A&A...365L.188B


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.15CEST02:17:48

2001A&A...365L.188B - Astronomy and Astrophysics, volume 365, L188-194 (2001/1-1)

An XMM-Newton study of the sub-structure in M 87's halo.

BELSOLE E., SAUVAGEOT J.L., BOEHRINGER H., WORRALL D.M., MATSUSHITA K., MUSHOTZKY R.F., SAKELLIOU I., MOLENDI S., EHLE M., KENNEA J., STEWART G. and VESTRAND W.T.

Abstract (from CDS):

The high signal to noise and good point spread function of XMM have allowed the first detailed study of the interaction between the thermal and radio emitting plasma in the central regions of M 87. We show that the X-ray emitting structure, previously seen by ROSAT, is thermal in nature and that the east and southwest extensions in M 87's X-ray halo have a significantly lower temperature (kT=1.5keV) than the surrounding ambient medium (kT=2.3keV). There is little or no evidence for non-thermal emission with an upper limit on the contribution of a power law component of spectral index flatter than 3 being less than 1% of the flux in the region of the radio lobes.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: individual: Virgo - galaxies: individual: M 87 - radio continuum: galaxies - radio galaxies: individual: 3C 274 - X-rays: galaxies

Simbad objects: 2

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Number of rows : 2

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2019
#notes
1 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5638 0
2 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6020 3

    Equat.    Gal    SGal    Ecl

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2019.10.15-02:17:48

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