2008AJ....135..520O

Query : 2008AJ....135..520O

2008AJ....135..520O - Astron. J., 135, 520-526 (2008/February-0)

Discovery of four gravitationally lensed quasars from the Sloan Digital Sky Survey.

OGURI M., INADA N., CLOCCHIATTI A., KAYO I., SHIN M.-S., HENNAWI J.F., STRAUSS M.A., MOROKUMA T., SCHNEIDER D.P. and YORK D.G.

Abstract (from CDS):

We present the discovery of four gravitationally lensed quasars selected from the spectroscopic quasar catalog of the Sloan Digital Sky Survey (SDSS). We describe imaging and spectroscopic follow-up observations that support the lensing interpretation of the following four quasars: SDSS J0832+0404 (image separation θ = 198, source redshift zs=1.115, lens redshift zl=0.659); SDSS J1216+3529 (θ=149, zs=2.012); SDSS J1322+1052 (θ=200, zs=1.716); and SDSS J1524+4409 (θ=167, zs=1.210, zl=0.320). Each system has two lensed images. We find that the fainter image component of SDSS J0832+0404 is significantly redder than the brighter component, perhaps because of differential reddening by the lensing galaxy. The lens potential of SDSS J1216+3529 might be complicated by the presence of a secondary galaxy near the main lensing galaxy.

Abstract Copyright: ∼

Journal keyword(s): gravitational lensing - quasars: general

Nomenclature: Table 2, Fig.2: [OIC2008] J0832+0404 A (Nos A-B, G). Table 3, Fig.5: [OIC2008] J1216+3529 AN (Nos A-B, G1-G2). Table 4, Fig.7: [OIC2008] J1322+1052 A (Nos A-B, G). Table 5, Fig.9: [OIC2008] J1524+4409 A (Nos A-B, G).

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Simbad objects: 10

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Number of rows : 10
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 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
2 GSPC P545-C * 08 29 25.1200498584 +05 56 08.395186416           ~ 11 0
3 [VV2006] J083217.0+040405 QSO 08 32 17.0139 +04 04 05.020   19.68 19.29     ~ 32 0
4 PG 0918+029 HS* 09 21 28.2138172968 +02 46 02.254084824 11.975 13.056 13.327 13.456 13.615 sdB1VIIHe6 118 0
5 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
6 SDSS J121646.05+352941.5 QSO 12 16 46.0450590000 +35 29 41.573914080   19.65 19.37     ~ 26 0
7 [VV2006] J132236.5+105239 QSO 13 22 36.4212000672 +10 52 39.352919016   19.57 19.20     ~ 27 0
8 [VV2006] J152445.6+440949 QSO 15 24 45.5906889216 +44 09 49.476880764   19.98 19.42     ~ 29 0
9 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
10 GSC 00543-01300 * 21 40 55.6740551568 +00 27 58.056444792 12.784 12.818 12.250 11.910 11.563 F8 12 0

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