2006ApJ...653L..97I

Query : 2006ApJ...653L..97I

2006ApJ...653L..97I - Astrophys. J., 653, L97-L100 (2006/December-3)

SDSS J1029+2623: a gravitationally lensed quasar with an image separation of 22.5".

INADA N., OGURI M., MOROKUMA T., DOI M., YASUDA N., BECKER R.H., RICHARDS G.T., KOCHANEK C.S., KAYO I., KONISHI K., UTSUNOMIYA H., SHIN M.-S., STRAUSS M.A., SHELDON E.S., YORK D.G., HENNAWI J.F., SCHNEIDER D.P., DAI X. and FUKUGITA M.

Abstract (from CDS):

We report the discovery of a cluster-scale lensed quasar, SDSS J1029+2623, selected from the Sloan Digital Sky Survey. The lens system exhibits two lensed images of a quasar at zs=2.197. The image separation of 22".5 makes it the largest separation lensed quasar discovered to date. The similarity of the optical spectra and the radio loudnesses of the two components support the lensing hypothesis. Images of the field show a cluster of galaxies at zl∼0.55 that is responsible for the large image separation. The lensed images and the cluster light center are not collinear, which implies that the lensing cluster has a complex structure.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Clusters: General - Cosmology: Gravitational Lensing - quasars: individual (SDSS 102913.94+262317.9)

Nomenclature: Fig.1, Table 1: [IOM2006] J1029+2623 A (Nos A-B), [IOM2006] Lensing Cluster N=1, [IOM2006] GN (Nos G1-G2).

Simbad objects: 9

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Number of rows : 9
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 QSO J1004+4112 LeQ 10 04 34.9243842216 +41 12 42.771018060   19.14 19.03     ~ 206 1
2 1RXS J102912.0+262338 X 10 29 12.0 +26 23 38           ~ 1 0
3 [IOM2006] G2 GiC 10 29 12.48 +26 23 32.0           ~ 9 0
4 [IOM2006] SDSS J1029+2623 gLS 10 29 13.0 +26 23 32           ~ 19 0
5 ClG J1029+2623 ClG 10 29 13.0 +26 23 32           ~ 26 0
6 [IOM2006] G1 GiC 10 29 13.35 +26 23 32.8           ~ 9 1
7 [IOM2006] SDSS J1029+2623 A LeQ 10 29 13.9444 +26 23 17.893           ~ 19 0
8 QSO J1029+2623 QSO 10 29 13.9469291472 +26 23 17.952813924   19.08 18.84     ~ 67 0
9 LAMOST J102914.24+262340.1 QSO 10 29 14.24706 +26 23 40.0866   19.09 18.83     ~ 27 1

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