SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey | Zendy

Naohisa Inada | Zendy; Masamune Oguri | Zendy; R. H. Becker | Zendy; R. L. White | Zendy; Michael D. Gregg | Zendy; Paul L. Schechter | Zendy; Yozo Kawano | Zendy; C. S. Kochanek | Zendy; Gordon T. Richards | Zendy; Donald P. Schneider | Zendy; John C. Barentine | Zendy; H. Brewington | Zendy; J. Brinkmann | Zendy; Michael Harvanek | Zendy; S. J. Kleinman | Zendy; J. Krzesiński | Zendy; Dan Long | Zendy; Eric H. Neilsen | Zendy; A. Nitta | Zendy; Stephanie A. Snedden | Zendy; Donald G. York | Zendy

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SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey

Author(s) -

Naohisa Inada,

Masamune Oguri,

R. H. Becker,

R. L. White,

Michael D. Gregg,

Paul L. Schechter,

Yozo Kawano,

C. S. Kochanek,

Gordon T. Richards,

Donald P. Schneider,

John C. Barentine,

H. Brewington,

J. Brinkmann,

Michael Harvanek,

S. J. Kleinman,

J. Krzesiński,

Dan Long,

Eric H. Neilsen,

A. Nitta,

Stephanie A. Snedden,

Donald G. York

Publication year - 2006

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/500591

Subject(s) - quasar , sky , physics , astrophysics , galaxy , redshift , einstein ring , astronomy , gravitational lens

We report the discoveries of two, two-image gravitationally lensed quasarsselected from the Sloan Digital Sky Survey: SDSS J0806+2006 at z_s=1.540 andSDSS J1353+1138 at z_s=1.629 with image separations of 1.40" and 1.41"respectively. Spectroscopic and optical/near-infrared imaging follow-upobservations show that the quasar images have identical redshifts and possessextended objects between the images that are likely to be lens galaxies atz_l~0.6 in SDSS J0806+2006 and z_l~0.3 in SDSS J1353+1138. The field of SDSSJ0806+2006 contains several nearby galaxies that may significantly perturb thesystem, and SDSS J1353+1138 has an extra component near its Einstein ring thatis probably a foreground star. Simple mass models with reasonable parametersreproduce the quasar positions and fluxes of both systems.Comment: 27 pages, 7 figures, The Astronomical Journal accepte

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