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- W4313263505 abstract "We report the spectroscopic follow-up of 175 lensed quasar candidates selected using Gaia Data Release 2 observations following Lemon et al. 2019. Systems include 86 confirmed lensed quasars and a further 17 likely lensed quasars based on imaging and/or similar spectra. We also confirm 11 projected quasar pairs and 11 physical quasar pairs, while 25 systems are left as unclassified quasar pairs -- pairs of quasars at the same redshift, which could be either distinct quasars or potential lensed quasars. Especially interesting objects include 8 quadruply imaged quasars of which two have BAL sources, an apparent triple, and a doubly lensed LoBaL quasar. The source redshifts and image separations of these new lenses range between 0.65 - 3.59 and 0.78 - 6.23 arcseconds respectively. We compare the known population of lensed quasars to an updated mock catalogue at image separations between 1 and 4 arcseconds, showing a very good match at z<1.5. At z>1.5, only 47% of the predicted number are known, with 56% of these missing lenses at image separations below 1.5 arcseconds. The missing higher-redshift, small-separation systems will have fainter lensing galaxies, and are partially explained by the unclassified quasar pairs and likely lenses presented in this work, which require deeper imaging. Of the 11 new reported projected quasar pairs, 5 have impact parameters below 10 kpc, almost tripling the number of such systems, which can probe the innermost regions of quasar host galaxies through absorption studies. We also report four new lensed galaxies discovered through our searches, with source redshifts ranging from 0.62 to 2.79." @default.
- W4313263505 created "2023-01-06" @default.
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- W4313263505 date "2022-12-20" @default.
- W4313263505 modified "2023-10-16" @default.
- W4313263505 title "Gravitationally lensed quasars in <i>Gaia</i> – IV. 150 new lenses, quasar pairs, and projected quasars" @default.
- W4313263505 cites W1513075382 @default.
- W4313263505 cites W1979498879 @default.
- W4313263505 cites W1989695257 @default.
- W4313263505 cites W1996610213 @default.
- W4313263505 cites W1997535447 @default.
- W4313263505 cites W2020419785 @default.
- W4313263505 cites W2026916348 @default.
- W4313263505 cites W2042504885 @default.
- W4313263505 cites W2044610256 @default.
- W4313263505 cites W2048410244 @default.
- W4313263505 cites W2049866079 @default.
- W4313263505 cites W2050640812 @default.
- W4313263505 cites W2052719833 @default.
- W4313263505 cites W2061483080 @default.
- W4313263505 cites W2061616354 @default.
- W4313263505 cites W2064355595 @default.
- W4313263505 cites W2086067479 @default.
- W4313263505 cites W2088910610 @default.
- W4313263505 cites W2091906232 @default.
- W4313263505 cites W2093117202 @default.
- W4313263505 cites W2116908942 @default.
- W4313263505 cites W2127101430 @default.
- W4313263505 cites W2130279199 @default.
- W4313263505 cites W2132711591 @default.
- W4313263505 cites W2134600207 @default.
- W4313263505 cites W2142251642 @default.
- W4313263505 cites W2143927178 @default.
- W4313263505 cites W2159528023 @default.
- W4313263505 cites W2163755141 @default.
- W4313263505 cites W2168912860 @default.
- W4313263505 cites W2520740623 @default.
- W4313263505 cites W2593224863 @default.
- W4313263505 cites W2750333010 @default.
- W4313263505 cites W2756800369 @default.
- W4313263505 cites W2767714548 @default.
- W4313263505 cites W2792901079 @default.
- W4313263505 cites W2798336535 @default.
- W4313263505 cites W2807185883 @default.
- W4313263505 cites W2807559451 @default.
- W4313263505 cites W2807576910 @default.
- W4313263505 cites W2825985038 @default.
- W4313263505 cites W2883447569 @default.
- W4313263505 cites W2885464334 @default.
- W4313263505 cites W2887484145 @default.
- W4313263505 cites W2888422795 @default.
- W4313263505 cites W2896084564 @default.
- W4313263505 cites W2898502092 @default.
- W4313263505 cites W2898769961 @default.
- W4313263505 cites W2950307153 @default.
- W4313263505 cites W2950656013 @default.
- W4313263505 cites W2962722083 @default.
- W4313263505 cites W2963982225 @default.
- W4313263505 cites W2964031873 @default.
- W4313263505 cites W2977944250 @default.
- W4313263505 cites W2980192413 @default.
- W4313263505 cites W2995297304 @default.
- W4313263505 cites W2999445065 @default.
- W4313263505 cites W3026399142 @default.
- W4313263505 cites W3038321426 @default.
- W4313263505 cites W3038580399 @default.
- W4313263505 cites W3098108622 @default.
- W4313263505 cites W3098507585 @default.
- W4313263505 cites W3099155372 @default.
- W4313263505 cites W3101258483 @default.
- W4313263505 cites W3101477146 @default.
- W4313263505 cites W3102014803 @default.
- W4313263505 cites W3102320756 @default.
- W4313263505 cites W3102427445 @default.
- W4313263505 cites W3104056597 @default.
- W4313263505 cites W3104360249 @default.
- W4313263505 cites W3104471543 @default.
- W4313263505 cites W3105340166 @default.
- W4313263505 cites W3105423222 @default.
- W4313263505 cites W3105673385 @default.
- W4313263505 cites W3106108696 @default.
- W4313263505 cites W3106299588 @default.
- W4313263505 cites W3106514423 @default.
- W4313263505 cites W3109131432 @default.
- W4313263505 cites W3122293912 @default.
- W4313263505 cites W3125775119 @default.
- W4313263505 cites W3163142273 @default.
- W4313263505 cites W3172231033 @default.