SIMBAD references

2006ApJS..162..113B - Astrophys. J., Suppl. Ser., 162, 113-133 (2006/January-0)

Chemical enrichment of the complex hot ISM of The Antennae galaxies. I. Spatial and spectral analysis of the diffuse X-ray emission.

BALDI A., RAYMOND J.C., FABBIANO G., ZEZAS A., ROTS A.H., SCHWEIZER F., KING A.R. and PONMAN T.J.

Abstract (from CDS):

We present an analysis of the properties of the hot interstellar medium (ISM) in the merging pair of galaxies known as the Antennae (NGC 4038/4039), performed using the deep, co-added ∼411 ks Chandra ACIS-S data set. These deep X-ray observations and Chandra's high angular resolution allow us to investigate the properties of the hot ISM with unprecedented spatial and spectral resolution. Through a spatially resolved spectral analysis, we find a variety of temperatures (from 0.2 to 0.7 keV) and NH(from Galactic to 2x1021/cm2). Metal abundances for Ne, Mg, Si, and Fe vary dramatically throughout the ISM from subsolar values (∼0.2) up to several times solar.

Abstract Copyright: ∼

Journal keyword(s): galaxies: individual (NGC 4038/39) - Galaxies: Interactions - Galaxies: Peculiar - X-Rays: Galaxies - X-Rays: ISM

CDS comments: Table 2, Fig.7: regions of hot ISM are not in SIMBAD.

Simbad objects: 3

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