Letter to the editor (Scientific journals)
Image Deconvolution of the Radio Ring PKS 1830-211
Courbin, F.; Lidman, C.; Frye, B. L. et al.
1998In Astrophysical Journal, 499, p. 119-L123
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Keywords :
COSMOLOGY: OBSERVATIONS; COSMOLOGY: GRAVITATIONAL LENSING; GALAXIES: QUASARS: INDIVIDUAL ALPHANUMERIC: PKS 1830-; 11; INFRARED: GENERAL; TECHNIQUES: IMAGE PROCESSING; METHODS: DATA ANALYSIS
Abstract :
[en] New high-quality Keck and ESO images of PKS 1830-211 are presented. By applying a powerful new deconvolution algorithm to these optical and infrared data, both images of the flat spectrum core of the radio source have been identified. An extended source is also detected in the optical images which is consistent with the expected location of the lensing galaxy. The source counterparts are very red at I-K~7 , which suggests strong Galactic absorption with additional absorption by the lensing galaxy at z=0.885 and is consistent with the detection of high-redshift molecules in the lens.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Courbin, F.
Lidman, C.
Frye, B. L.
Magain, Pierre  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Broadhurst, T. J.
Pahre, M. A.
Djorgovski, S. G.
Language :
English
Title :
Image Deconvolution of the Radio Ring PKS 1830-211
Publication date :
01 June 1998
Journal title :
Astrophysical Journal
ISSN :
0004-637X
eISSN :
1538-4357
Publisher :
University of Chicago Press, Chicago, United States - Illinois
Volume :
499
Pages :
L119-L123
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 April 2010

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