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          Institute: MPI für Radioastronomie     Collection: Publikationen des MPI für Radioastronomie     Display Documents



ID: 12275.0, MPI für Radioastronomie / Publikationen des MPI für Radioastronomie
PMN J1632-0033 : A new gravitationally lensed quasar
Authors:Winn, J. N.; Morgan, N. D.; Hewitt, J. N.; Kochanek, C. S.; Lovell, J. E. J.; Patnaik, A. R.; Pindor, B.; Schechter, P. L.; Schommer, R. A.
Language:English
Date of Publication (YYYY-MM-DD):2002-01
Title of Journal:Astronomical Journal
Journal Abbrev.:Astron. J.
Volume:123
Issue / Number:1
Start Page:10
End Page:19
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:We report the discovery of a gravitationally lensed quasar resulting from our survey for lenses in the southern sky. Radio images of J1632-0033 with the Very Large Array and the Australia Telescope Compact Array exhibit two compact, flat- spectrum components with separation 1."47 and flux density ratio 13.2. Images with the Hubble Space Telescope reveal the optical counterparts to the radio components and also the lens galaxy. An optical spectrum of the bright component obtained with the first Magellan telescope reveals quasar emission lines at redshift 3.42. Deeper radio images with the Multi-Element Radio Linked Interferometry Network and the Very Long Baseline Array reveal a faint third radio component located near the center of the lens galaxy, which is either a third image of the background quasar or faint emission from the lens galaxy.
Free Keywords:gravitational lensing; quasars : individual (J1632-0033)
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Radioastronomie
External Affiliations:MIT, Dept Phys, Cambridge, MA 02139 USA; MIT, Dept Phys, Cambridge, MA 02139 USA; Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA; CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia; Max Planck Inst Radioastron, D-53121 Bonn, Germany; Princeton Univ Observ, Princeton, NJ 08544 USA; Natl Opt Astron Observ, Cerro Tololo Interamer Observ, La Serena, Chile
Identifiers:ISI:000173767400002
ISSN:0004-6256
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