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Microlensing probes the AGN structure of the lensed quasar J1131-1231
Sluse, Dominique; Claeskens, Jean-François; Hutsemekers, Damien et al.
2008In Benítez, E.; Cruz-González, I.; Krongold, Y. (Eds.) Revista Mexicana de Astronomia y Astrofisica (Serie de Conferencias) Vol. 32
 

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The authors thank Revista Mexicana de Astronomía y Astrofísica : Universidad Nacional Autónoma de México. Instituto de Astronomía for their deposit authorization. The original publication is available at http://www.astroscu.unam.mx/~rmaa/


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Keywords :
gravitational lensing; quasars: individual (RXS J113155.4-123155)
Abstract :
[en] We present the analysis of single epoch long slit spectra of the three brightest images of the gravitationally lensed system J1131-1231. These spectra provide one of the clearest observational evidence for differential micro-lensing of broad emission lines (BELs) in a gravitationally lensed quasar. The micro-lensing effect enables us: (1) to confirm that the width of the emission lines is anti-correlated to the size of the emitting region; (2) to show that the bulk of Fe II is emitted in the outer parts of the Broad Line Region (BLR) while another fraction of Fe II is produced in a compact region; (3) to derive interesting informations on the origin of the narrow intrinsic Mg II absorption doublet observed in that system.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Sluse, Dominique  
Claeskens, Jean-François ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Hutsemekers, Damien ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Language :
English
Title :
Microlensing probes the AGN structure of the lensed quasar J1131-1231
Publication date :
01 April 2008
Event name :
The Nuclear Region, Host Galaxy and Environment of Active Galaxies
Event place :
Huatulco, Oaxaca, Mexico
Event date :
18 - 20, 2007
By request :
Yes
Audience :
International
Main work title :
Revista Mexicana de Astronomia y Astrofisica (Serie de Conferencias) Vol. 32
Editor :
Benítez, E.
Cruz-González, I.
Krongold, Y.
Collection name :
Revista Mexicana de Astronomía y Astrofísica (Serie de Conferencias) Vol. 32
Pages :
83-85
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