2002A&A...384L..27E

Query : 2002A&A...384L..27E

2002A&A...384L..27E - Astronomy and Astrophysics, volume 384, L27-30 (2002/3-4)

Radio and X-ray detectability of buoyant radio plasma bubbles in clusters of galaxies.

ENSSLIN T.A. and HEINZ S.

Abstract (from CDS):

The Chandra X-ray Observatory is finding a surprisingly large number of cavities in the X-ray emitting intracluster medium (ICM), produced by the release of radio plasma from active galactic nuclei. In this letter, we present simple analytic formulae for the evolution of the X-ray deficit and for the radio spectrum of a buoyantly rising bubble. The aim of this work is to provide a theoretical framework for the planning and the analysis of X-ray and radio observations of galaxy clusters. We show that the cluster volume tested for the presence of cavities by X-ray observations is a strongly rising function of the sensitivity.

Abstract Copyright: ∼

Journal keyword(s): radiation mechanisms: thermal - radiation mechanism: non-thermal - galaxies: active - intergalactic medium - galaxies: cluster: general - radio continuum: general

Simbad objects: 11

Full paper

View the references in ADS

Number of rows : 11

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Sp type	#ref 1850 - 2023	#notes
1	ACO 426	ClG	03 19 47.2	+41 30 47				~	2203	1
2	ACO 780	ClG	09 18 30	-12 15.7				~	452	0
3	ClG J0947+7623	ClG	09 47 12.9	+76 23 13				~	147	1
4	M 84	Sy2	12 25 03.74333	+12 53 13.1393	12.67	12.09	10.49	~	1740	2
5	NAME Virgo Cluster	ClG	12 26 32.1	+12 43 24				~	6510	0
6	ACO 2052	ClG	15 16 41.64	+07 01 45.5				~	721	1
7	ACT-CL J1521.8+0742	ClG	15 21 55.14	+07 41 27.2			15.13	~	309	0
8	ACO 2199	ClG	16 28 43.31	+39 34 07.6				~	1159	1
9	NAME Cyg A Cluster	ClG	19 59 30.3	+40 44 11				~	135	0
10	ACO 2597	ClG	23 25 19.70	-12 07 27.7				~	534	0
11	ACO 4059	ClG	23 57 02.2	-34 45 58				~	380	1

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