2018MNRAS.474.3391A

Query : 2018MNRAS.474.3391A

2018MNRAS.474.3391A - Mon. Not. R. Astron. Soc., 474, 3391-3396 (2018/March-1)

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

AGNELLO A., GRILLO C., JONES T., TREU T., BONAMIGO M. and SUYU S.H.

Abstract (from CDS):

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 zs = 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 zl = 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.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): gravitational lensing: strong - methods: statistical - techniques: image processing - catalogues

Nomenclature: Fig. 1, Table 1: [AGJ2018] SDSS J1433+6007 system N=1, [AGJ2018] SDSS J1433+6007 source N=1, [AGJ2018] SDSS J1433+6007 A (Nos A-D, G).

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 8C 0958+561 QSO 10 01 20.6918953728 +55 53 55.593949272   17.16 16.95     ~ 757 3
2 [AGJ2018] SDSS J1433+6007 C LeQ 14 33 22.71 +60 07 15.2   20.50 19.92 19.30   ~ 3 0
3 [AGJ2018] SDSS J1433+6007 B LeQ 14 33 22.78440 +60 07 13.4436   20.09 19.63 19.13   ~ 3 0
4 [AGJ2018] SDSS J1433+6007 A LeQ 14 33 22.81 +60 07 17.3   20.26 19.78 19.26   ~ 3 0
5 [AGJ2018] SDSS J1433+6007 source QSO 14 33 22.9 +60 07 15           ~ 4 0
6 [AGJ2018] SDSS J1433+6007 system gLS 14 33 22.9 +60 07 15           ~ 10 0
7 [AGJ2018] SDSS J1433+6007 G gLe 14 33 22.96 +60 07 15.3   21.87 20.69 19.39   ~ 3 0
8 [AGJ2018] SDSS J1433+6007 D LeQ 14 33 23.10 +60 07 15.2   22.00 21.30 20.63   ~ 3 0

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