Article (Scientific journals)
A new analysis of quasar polarization alignments
Pelgrims, Vincent; Cudell, Jean-René
2014In Monthly Notices of the Royal Astronomical Society, 442 (1), p. 1239-1248
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Keywords :
polarization; statistical method; quasars
Abstract :
[en] We propose a new method to analyse the alignment of optical polarization vectors from quasars. This method leads to a definition of intrinsic preferred axes and to a determination of the probability that the distribution of polarization directions is random. This probability is found to be as low as 0,003 percent for one of the region of redshift.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Pelgrims, Vincent ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA)
Cudell, Jean-René  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA)
Language :
English
Title :
A new analysis of quasar polarization alignments
Publication date :
May 2014
Journal title :
Monthly Notices of the Royal Astronomical Society
ISSN :
0035-8711
eISSN :
1365-2966
Publisher :
Blackwell Publishing, Oxford, United Kingdom
Volume :
442
Issue :
1
Pages :
1239-1248
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 June 2014

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