Discovery and first models of the quadruply lensed quasar SDSS J1433+6007

被引：12

作者：

Agnello, Adriano ^{[1
]}

Grillo, Claudio ^{[2
,3
]}

Jones, Tucker ^{[4
,5
]}

Treu, Tommaso ^{[6
]}

Bonamigo, Mario ^{[3
]}

Suyu, Sherry H. ^{[7
,8
,9
]}

机构：

[1] European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany

[2] Univ Copenhagen, Niels Bohr Inst, Dark Cosmol Ctr, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark

[3] Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy

[4] PAB, Dept Phys & Astron, 430 Portola Plaza,Box 951547, Los Angeles, CA 90095 USA

[5] Univ Calif Davis, Dept Phys, 1 Shields Ave, Davis, CA 95616 USA

[6] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85741 Garching, Germany

[7] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA

[8] Acad Sinica, Inst Astron & Astrophys, POB 23-141, Taipei 10617, Taiwan

[9] Tech Univ Munich, Phys Dept, James Franck Str 1, D-85748 Garching, Germany

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2018年 / 474卷 / 03期

基金：

美国国家科学基金会;

关键词：

gravitational lensing: strong; methods: statistical; techniques: image processing; catalogues; EARLY-TYPE GALAXIES; DARK-MATTER HALOS; ALL-SKY SURVEY; CANDIDATE SELECTION; EXTINCTION CURVES; MASS STRUCTURE; TIME DELAYS; SUBSTRUCTURE; EVOLUTION; DYNAMICS;

D O I：

10.1093/mnras/stx2950

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of the quadruply lensed quasar SDSS J1433+6007 (RA = 14: 33:22.8, Dec.=+60: 07:13.44), mined in the SDSS DR12 photometric catalogues using a novel outlier-selection technique, without prior spectroscopic or ultraviolet excess information. Discovery data obtained at the Nordic Optical Telescope (La Palma) show nearly identical quasar spectra at z(s) = 2.737 +/- 0.003 and four quasar images in a fold configuration, one of which sits on a blue arc, with maximum separation 3.6 arcsec. The deflector redshift is z(l) = 0.407 +/- 0.002, from Keck-ESI spectra. We describe the selection procedure, discovery and follow-up, image positions and BVRi magnitudes, and first results and forecasts from lens model fit to the relative image positions.

引用

页码：3391 / 3396

页数：6

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