Matches in SemOpenAlex for { <https://semopenalex.org/work/W2950656013> ?p ?o ?g. }
- W2950656013 endingPage "5007" @default.
- W2950656013 startingPage "4987" @default.
- W2950656013 abstract "Abstract We present results of a systematic search for gravitationally lensed quasars in Pan-STARRS1. Our final sample of candidates comprises of 91 systems, not including 25 rediscovered lensed quasars and quasar pairs. In the absence of spectroscopy to verify the lensing nature of the candidates, the main sources of contaminants are likely to be quasar pairs, which we consider to be a byproduct of our work, and a smaller number of quasar + star associations. Among the independently discovered quads is 2M1134−2103, for which we obtained spectroscopy for the first time, finding a redshift of 2.77 for the quasar. There is evidence for microlensing in at least one image. We perform detailed mass modelling of this system using archival imaging data, and find that the unusually large shear responsible for the diamond-like configuration can be attributed mainly to a faint companion ∼4 arcsec away, and to a galaxy group/cluster ∼30 arcsec away. We also set limits of z ∼ 0.5–1.5 on the redshift of the lensing galaxy, based on its brightness, the image separation of the lensed images, and an analysis of the observed photometric flux ratios." @default.
- W2950656013 created "2019-06-27" @default.
- W2950656013 creator A5010185688 @default.
- W2950656013 creator A5024088747 @default.
- W2950656013 creator A5024765092 @default.
- W2950656013 creator A5062486704 @default.
- W2950656013 creator A5066219804 @default.
- W2950656013 creator A5068292696 @default.
- W2950656013 creator A5069158195 @default.
- W2950656013 date "2019-05-02" @default.
- W2950656013 modified "2023-10-14" @default.
- W2950656013 title "A search for gravitationally lensed quasars and quasar pairs in Pan-STARRS1: spectroscopy and sources of shear in the diamond 2M1134−2103" @default.
- W2950656013 cites W147232447 @default.
- W2950656013 cites W1485973883 @default.
- W2950656013 cites W184858694 @default.
- W2950656013 cites W1947025262 @default.
- W2950656013 cites W1957716302 @default.
- W2950656013 cites W1966053632 @default.
- W2950656013 cites W1968500543 @default.
- W2950656013 cites W1969206417 @default.
- W2950656013 cites W1979503956 @default.
- W2950656013 cites W1982411168 @default.
- W2950656013 cites W1982821163 @default.
- W2950656013 cites W1987312959 @default.
- W2950656013 cites W1992318321 @default.
- W2950656013 cites W1993585770 @default.
- W2950656013 cites W1994761351 @default.
- W2950656013 cites W2006316462 @default.
- W2950656013 cites W2011301426 @default.
- W2950656013 cites W2023649432 @default.
- W2950656013 cites W2024319723 @default.
- W2950656013 cites W2025800595 @default.
- W2950656013 cites W2026916348 @default.
- W2950656013 cites W2027398607 @default.
- W2950656013 cites W2029343094 @default.
- W2950656013 cites W2029420249 @default.
- W2950656013 cites W2029445285 @default.
- W2950656013 cites W2035918514 @default.
- W2950656013 cites W2042179541 @default.
- W2950656013 cites W2048410244 @default.
- W2950656013 cites W2052937506 @default.
- W2950656013 cites W2062237753 @default.
- W2950656013 cites W2064355595 @default.
- W2950656013 cites W2066268781 @default.
- W2950656013 cites W2070639954 @default.
- W2950656013 cites W2076438361 @default.
- W2950656013 cites W2081330593 @default.
- W2950656013 cites W2102016695 @default.
- W2950656013 cites W2110114082 @default.
- W2950656013 cites W2110907352 @default.
- W2950656013 cites W2130279199 @default.
- W2950656013 cites W2131858398 @default.
- W2950656013 cites W2135625048 @default.
- W2950656013 cites W2142238829 @default.
- W2950656013 cites W2157917411 @default.
- W2950656013 cites W2159528023 @default.
- W2950656013 cites W2167635287 @default.
- W2950656013 cites W2170689655 @default.
- W2950656013 cites W2171074980 @default.
- W2950656013 cites W2232604002 @default.
- W2950656013 cites W2276404852 @default.
- W2950656013 cites W2396756616 @default.
- W2950656013 cites W2466126080 @default.
- W2950656013 cites W2467891898 @default.
- W2950656013 cites W2474708830 @default.
- W2950656013 cites W2475288983 @default.
- W2950656013 cites W2497600269 @default.
- W2950656013 cites W2589211151 @default.
- W2950656013 cites W2614279747 @default.
- W2950656013 cites W2740236269 @default.
- W2950656013 cites W2750333010 @default.
- W2950656013 cites W2756800369 @default.
- W2950656013 cites W2764173864 @default.
- W2950656013 cites W2767714548 @default.
- W2950656013 cites W2769141733 @default.
- W2950656013 cites W2769267547 @default.
- W2950656013 cites W2782112631 @default.
- W2950656013 cites W2784646943 @default.
- W2950656013 cites W2792901079 @default.
- W2950656013 cites W2798336535 @default.
- W2950656013 cites W2807185883 @default.
- W2950656013 cites W2896084564 @default.
- W2950656013 cites W2916914964 @default.
- W2950656013 cites W2962741976 @default.
- W2950656013 cites W2962906151 @default.
- W2950656013 cites W2963150360 @default.
- W2950656013 cites W2963982225 @default.
- W2950656013 cites W2964031873 @default.
- W2950656013 cites W3097994651 @default.
- W2950656013 cites W3098507585 @default.
- W2950656013 cites W3098975407 @default.
- W2950656013 cites W3099203192 @default.
- W2950656013 cites W3099348560 @default.
- W2950656013 cites W3101118375 @default.
- W2950656013 cites W3101457439 @default.
- W2950656013 cites W3102014803 @default.
- W2950656013 cites W3102270993 @default.
- W2950656013 cites W3102320756 @default.