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Letter to the editor (Scientific journals)
Discovery of a quadruply lensed quasar - The 'clover leaf' H1413 + 117
Magain, Pierre; Surdej, Jean; Swings, Jean-Pierre et al.
1988In Nature, 334, p. 325-327
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Keywords :
ABSORPTION SPECTRA; GRAVITATIONAL LENSES; QUASARS; ASTRONOMICAL PHOTOMETRY; LUMINOSITY
Abstract :
[en] The authors report the discovery of a second gravitational lens system in the broad absorption line quasar H1413+117. Four images of comparable brightness are seen, separated by â ¡1 arcsec. The unique configuration of the images, together with the fairly rare occurrence of this type of quasar, makes it incontrovertible that this is a lensed system, not a cluster of quasars. (See also 159.062).
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Magain, Pierre  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Swings, Jean-Pierre ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Borgeest, U.;  Hamburger Sternwarte, Hamburg, Federal Republic of Germany
Kayser, R.;  Hamburger Sternwarte, Hamburg, Federal Republic of Germany
Language :
English
Title :
Discovery of a quadruply lensed quasar - The 'clover leaf' H1413 + 117
Publication date :
01 July 1988
Journal title :
Nature
ISSN :
0028-0836
eISSN :
1476-4687
Publisher :
Nature Publishing Group, London, United Kingdom
Volume :
334
Pages :
325-327
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 February 2010

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