2006ApJS..162..113B

Query : 2006ApJS..162..113B

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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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
2 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
3 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1

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