2022RNAAS...6..247A

Query : 2022RNAAS...6..247A

2022RNAAS...6..247A - Research Notes of the AAS, 6, 247 (2022/November-0)

Witnessing a Galaxy Cluster Merger with JWST and a Chandra X-Ray Temperature Map.

ALDEN B.C. and BURNS J.O.

Abstract (from CDS):

The first James Webb Space Telescope (JWST) image released was of galaxy cluster SMACSJ0723.3-7327, a lensing cluster at z = 0.39 showing detail only JWST can provide. While the majority of the focus has been on the brilliantly lensed galaxies at redshifts far beyond it, there is more to the story than it being just a lensing cluster. The Chandra X-ray temperature map tells a tale of a merging cluster with a significant subcluster leaving a wake in the intracluster medium (ICM). This paper presents a high fidelity temperature map of SMACSJ0723.3-7327 using adaptive circular binning, overlaid with the JWST image, showing clear signs of merger activity. As the ICM extends well past the boundaries of the JWST imagery, and no low-frequency radio observations are yet published, a fuller story of this cluster remains to be told. This new X-ray temperature map reveals new details of a moderately distant actively merging cluster.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Galaxy clusters - Intracluster medium - X-ray astronomy - Spectroscopy - Astronomy data analysis - Astronomy data visualization

Simbad objects: 1

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Number of rows : 1
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 SMACS J0723.3-7327 ClG 07 23 13.3 -73 27 25           ~ 252 0

Query : 2022RNAAS...6..247A

Basic data :
SMACS J0723.3-7327 -- Cluster of Galaxies
Other object types: otypes_help 		ClG (2019A&A,PLCKESZ,...), C?G (2014A&A), X (2020ApJ,1RXS)
ICRS coord. (ep=J2000) : 		07 23 13.3 -73 27 25 (mm) [ ] E 2011A&A...536A...7P
FK4 coord. (ep=B1950 eq=1950) : 		07 24 09.1 -73 21 27 [ ]
Gal coord. (ep=J2000) : 		284.9935 -23.7081 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 95303 [~] / z(~) 0.3900 [~] / cz 116919 [~]
   E 2011A&A...536A...7P
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1
: 62 		: 76 Display criteria :

Identifiers (8) :
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PLCKESZ G285.0-23.7 PSZ1 G284.97-23.69 PSZRX G285.00-23.70 SMACS J0723.3-7327
PLCKESZ G284.99-23.70 PSZ2 G284.97-23.69 1RXS J072319.7-732735

References (252 between 1850 and 2026) (Total 252)
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1RXS J072319.7-732735

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