Mass models and environment of the new quadruply lensed quasar SDSS J1330+1810

We present the discovery of a new quadruply lensed quasar. The lens system, SDSS J1330+1810 at zs= 1.393, was identified as a lens candidate from the spectroscopic sample of the Sloan Digital Sky Survey. Optical and near-infrared images clearly show four quasar images with a maximum image separation...

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Published inMonthly notices of the Royal Astronomical Society Vol. 391; no. 4; pp. 1973 - 1980
Main Authors Oguri, Masamune, Inada, Naohisa, Blackburne, Jeffrey A., Shin, Min-Su, Kayo, Issha, Strauss, Michael A., Schneider, Donald P., York, Donald G.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 21.12.2008
Wiley-Blackwell
Oxford University Press
Subjects
ABSORPTION
Astronomy
Astrophysics,ASTRO, GRQC
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Earth, ocean, space
Exact sciences and technology
GALAXIES
gravitational lensing
QUASARS
quasars: individual: SDSS J133018.65+181032.1
Red shift
SHEAR
SIMULATION
SKY
Spectrum analysis
gravitational lensing
quasars: individual: SDSS J133018.65+181032.1
Quasars
Red shift
Shear
Galaxies
Gravitational lensing
Galaxy groups
Models
Sky surveys
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Summary:We present the discovery of a new quadruply lensed quasar. The lens system, SDSS J1330+1810 at zs= 1.393, was identified as a lens candidate from the spectroscopic sample of the Sloan Digital Sky Survey. Optical and near-infrared images clearly show four quasar images with a maximum image separation of 1.76 arcsec, as well as a bright lensing galaxy. We measure a redshift of the lensing galaxy of zl= 0.373 from absorption features in the spectrum. We find a foreground group of galaxies at z= 0.31, centred at ∼120 arcsec south-west of the lens system. Simple mass models fit the data quite well, including the flux ratios between images, although the lens galaxy appears to be ∼1 mag brighter than expected by the Faber–Jackson relation. Our mass modelling suggests that shear from nearby structure is affecting the lens potential.
Bibliography:istex:387DF7590F5AAF98BFC4BD6CA6B10D79234B32FE
This paper includes data gathered with the 6.5-m Magellan telescopes located at Las Campanas Observatory, Chile. Based on observations obtained with the Apache Point Observatory 3.5-m telescope, which is owned and operated by the Astrophysical Research Consortium. Use of the University of Hawaii 2.2-m telescope for the observations is supported by National Astronomical Observatory of Japan (NAOJ).
ark:/67375/HXZ-QM1XNJG5-9
This paper includes data gathered with the 6.5‐m Magellan telescopes located at Las Campanas Observatory, Chile. Based on observations obtained with the Apache Point Observatory 3.5‐m telescope, which is owned and operated by the Astrophysical Research Consortium. Use of the University of Hawaii 2.2‐m telescope for the observations is supported by National Astronomical Observatory of Japan (NAOJ).
USDOE
AC02-76SF00515
SLAC-PUB-13382
ISSN:0035-8711
1365-2966
DOI:10.1111/j.1365-2966.2008.14032.x