2001MNRAS.328L..21L

Query : 2001MNRAS.328L..21L

2001MNRAS.328L..21L - Mon. Not. R. Astron. Soc., 328, L21-L25 (2001/December-1)

J06587-5558: a very unusual polarized radio source.

LIANG H., EKERS R.D., HUNSTEAD R.W., FALCO E.E. and SHAVER P.

Abstract (from CDS):

We have found a peculiar radio source, J06587-5558, in the field of one of the hottest known clusters of galaxies, 1E 0657-56. It is slightly extended and highly polarized (54 per cent at 8.8GHz), and has a very steep spectrum, with α∼-1 at 1.3GHz, steepening to ∼ -1.5 at 8.8GHz (S∝ν^α). No extragalactic sources are known with such high integrated polarization, and sources with spectra as steep as this are rare. In this Letter, we report the unusual properties of the source J06587-5558 and speculate on its origin and optical identification.

Abstract Copyright: The Royal Astronomical Society

Journal keyword(s): galaxies: clusters: individual: 1E 0657-56 (RX J0658-5557) - intergalactic medium - radio continuum: general - X-rays: general

Nomenclature: Table 1: [LEH2001] JHHMMm+DDMM N=1. Fig4: [LEH2001] Galaxy A (Nos A-B), [LEH2001] Arc N (Nos 1-2).

CDS comments: Fig.4: 2 arcs, 'arc' is 'Arc 1' in SIMBAD.

Simbad objects: 10

Full paper

View the references in ADS

Number of rows : 10

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Sp type	#ref 1850 - 2026	#notes
1	ClG 0657-56	ClG	06 58 26.9	-55 58 21	~	1077	1
2	[LEH2001] Galaxy B	G	06 58 42.04	-55 58 35.8	~	1	0
3	[LEH2001] J06587-5558	Rad	06 58 42.1	-55 58 37	~	6	0
4	[BF76] H	Rad	17 02 31.5	+78 42 37	~	12	0
5	ACO 2256	ClG	17 03 37.5	+78 37 23	~	928	1
6	[BF76] G	Rad	17 03 43.2	+78 50 04	~	14	0
7	ACO 3667	ClG	20 12 33.68	-56 50 26.3	~	676	1
8	[LEH2001] Galaxy A	G	~	~	~	1	0
9	[LEH2001] Arc 2	?	~	~	~	1	0
10	[LEH2001] Arc 1	?	~	~	~	1	0

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