2020MNRAS.499.1226P

Query : 2020MNRAS.499.1226P

2020MNRAS.499.1226P - Mon. Not. R. Astron. Soc., 499, 1226-1232 (2020/November-3)

Alignment of radio galaxy axes using FIRST catalogue.

PANWAR M., SANDHU P.K., WADADEKAR Y. and JAIN P.

Abstract (from CDS):

We study the alignment of radio galaxy axes using the FIRST catalogue. We impose several cuts in order to select the candidates that are most likely to be free of systematic bias. In our study, we primarily focus on testing for alignment among sources within a certain angular separation from one another since for most sources redshift information is not available. We find a very significant effect for angular distances less than 1°. The distance scale of alignment is found to be roughly 28 Mpc, in agreement with earlier estimates, assuming that these sources are dominantly at redshift of 0.8. However, we are not able to entirely rule out the possibility of systematic bias in data. We also perform a full three-dimensional analysis using a smaller data sample for which redshift information is available. In this case, we only find a very weak signal at much larger distances.

Abstract Copyright: © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: active - galaxies: magnetic fields - radio continuum: galaxies

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 NAME Local Supercluster SCG 12 31 +12.4           ~ 566 0

Query : 2020MNRAS.499.1226P

Basic data :
NAME Local Supercluster -- Supercluster of Galaxies
Other object types: otypes_help 		SCG ()
ICRS coord. (ep=J2000) : 		12 31 00.0 +12 24 00 [ ] E ~
FK4 coord. (ep=B1950 eq=1950) : 		12 28 28.2 +12 40 34 [ ]
Gal coord. (ep=J2000) : 		283.9216 +74.5125 [ ]
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

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Identifiers (6) :
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NAME LOCAL SUPERCL NAME VIRGO SUPERCL NAME Vir Supercluster
NAME LSC NAME Local Supercluster NAME Virgo Supercluster

References (566 between 1850 and 2026) (Total 566)
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