Query : 1999A&A...344..333S

1999A&A...344..333S - Astronomy and Astrophysics, volume 344, 333-341 (1999/4-1)

On the X-ray haloes of the Galaxy and the Local Group and the diffuse soft X-ray background.


Abstract (from CDS):

We have extended the spectral modelling of the soft X-ray background (SXRB) using the ROSAT PSPC data along several lines of galactic longitude. Our results continue to demonstrate the need for a Galactic halo component, which is shown to vary markedly as a function of position. These fluctuations significantly affect the ability to investigate variations in the extragalactic SXRB below 2keV. Our conclusions do not support the proposal of an X-ray halo surrounding the Local Group of galaxies as invoked by Suto et al. (1996ApJ...461L..33S). Application of the 3 component model to a deep ROSAT observation in the direction of the Lockman hole is also discussed.

Abstract Copyright:

Journal keyword(s): X-rays: ISM - ISM: structure - ISM: individual objects: Draco complex - ISM: clouds - ISM: general

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
1 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 790 0
2 NAME LHB X 16 42.0 +02 19           ~ 292 0
3 NAME Draco Cloud MoC 16 48 17 +60 11.8           ~ 68 1
4 NAME Local Group GrG ~ ~           ~ 7638 0

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