2007AJ....133..206I

Query : 2007AJ....133..206I

2007AJ....133..206I - Astron. J., 133, 206-213 (2007/January-0)

Two new gravitationally lensed double quasars from the Sloan Digital Sky Survey.

INADA N., OGURI M., BECKER R.H., WHITE R.L., KAYO I., KOCHANEK C.S., HALL P.B., SCHNEIDER D.P., YORK D.G. and RICHARDS G.T.

Abstract (from CDS):

We report the discoveries of the two-image gravitationally lensed quasars SDSS J074653.03+440351.3 and SDSS J140624.82+612640.9, selected from the Sloan Digital Sky Survey (SDSS). SDSS J0746+4403, which will be included in our lens sample for statistics and cosmology, has a source redshift of zs=2.00, an estimated lens redshift of zl∼0.3, and an image separation of 1.08". SDSS J1406+6126 has a source redshift of zs=2.13, a spectroscopically measured lens redshift of zl=0.27, and an image separation of 1.98". We find that the two quasar images of SDSS J1406+6126 have different intervening Mg II absorption strengths, which are suggestive of large variations of absorbers on kiloparsec scales. The positions and fluxes of both lensed quasar systems are easily reproduced by simple mass models with reasonable parameter values. These objects bring to 18 the number of lensed quasars that have been discovered from the SDSS data.

Abstract Copyright: ∼

Journal keyword(s): Gravitational Lensing - quasars: individual (SDSS J074653.03+440351.3) - quasars: individual (SDSS J140624.82+612640.9)

Nomenclature: Text: [IOB2007] SDSS JHHMM+DDMM N=2. Table 2: [IOB2007] SDSS J0746+4403 A (Nos A-B, G). Fig.3: [IOB2007] QSO J0746+4403 abs N.NN N=2. Table 4: [IOB2007] SDSS J1406+6126 A (Nos A-B, G). Fig.5: [IOB2007] QSO J1406+6126 abs N.NN N=3.

Simbad objects: 14

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Number of rows : 14
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 PG 0231+051 WD* 02 33 41.3574299856 +05 18 43.649856216 14.562 15.776 16.096 16.267 16.639 DAO.6 149 0
2 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
3 [IOB2007] SDSS J0746+4403 B LeQ 07 46 52.94 +44 03 51.8     19.97 19.55 19.11 ~ 1 0
4 [IOB2007] SDSS J0746+4403 G G 07 46 52.97 +44 03 51.5     21.57 20.65 19.62 ~ 2 1
5 [IOB2007] SDSS J0746+4403 gLS 07 46 53.03 +44 03 51.3           ~ 5 0
6 QSO J0746+4403 QSO 07 46 53.0413 +44 03 51.464   19.29 19.12     ~ 25 0
7 [IOB2007] SDSS J0746+4403 A LeQ 07 46 53.07 +44 03 51.0     19.87 19.53 19.08 ~ 1 0
8 V* UY Sex HS* 10 50 02.8265487864 -00 00 36.879009588 12.063 13.184 13.474 13.606 13.769 sdO9VIIHe6 175 0
9 QSO J1406+6126 QSO 14 06 24.7666 +61 26 40.677   19.53 19.11     ~ 24 0
10 [IOB2007] SDSS J1406+6126 A LeQ 14 06 24.82 +61 26 40.9     19.99   19.38 ~ 1 0
11 [IOB2007] SDSS J1406+6126 gLS 14 06 24.82 +61 26 40.9           ~ 3 0
12 [IOB2007] SDSS J1406+6126 G G 14 06 24.98 +61 26 40.2     19.86   18.12 ~ 2 1
13 [IOB2007] SDSS J1406+6126 B LeQ 14 06 25.06 +61 26 39.8     20.60   19.97 ~ 2 0
14 PG 1633+099 HS* 16 35 24.0241690848 +09 47 49.891209036 13.215 14.205 14.396 14.481 14.609 sdB 113 0

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