ORBi: Burud I. - RX J0911.4+0551: a complex quadruply imaged gravitationally lensed QSO.

Reference : RX J0911.4+0551: a complex quadruply imaged gravitationally lensed QSO.


	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/1085

Title :	RX J0911.4+0551: a complex quadruply imaged gravitationally lensed QSO.
Language :	English
Author, co-author :	Burud, I. [> > > >]
	Courbin, F. [> > > >]
	Lidman, C. [> > > >]
	Meylan, G. [> > > >]
	Magain, Pierre [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique et traitement de l'image >]
	Jaunsen, A. O. [> > > >]
	Hjorth, J. [> > > >]
	Østensen, R. [> > > >]
	Andersen, M. I. [> > > >]
	Clasen, J. W. [> > > >]
	Stabell, R. [ > > ]
	Refsdal, S. [> > > >]
Publication date :	1-Jun-1998
Journal title :	The Messenger
Volume :	92
Pages :	29-32
Audience :	International
Keywords :	[en] Quasars: Gravitational Lenses
Abstract :	[en] The authors present their first observations of RX J0911.4+0551 at the 2.2-m ESO/MPI IRAC 2b in K-band which made them suspect that the QSO might be quadruple. This was confirmed on the optical data from the 2.56-m Nordic Optical Telescope, and on the NTT/SOFI data of the object. Careful deconvolution of the data allows to clearly resolve the object into four QSO components and a lensing galaxy.
Permalink :	http://hdl.handle.net/2268/1085
Other URL :	http://adsabs.harvard.edu/abs/1998Msngr..92...29B
Mentions required by the publisher for OA :	The authors thank the European Southern Observatory for their deposit authorization.

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