The discovery of a five-image lensed quasar at z = 3.34 using PanSTARRS1 and Gaia
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Abstract
We report the discovery, spectroscopic confirmation, and mass modelling of
the gravitationally lensed quasar system PS J0630-1201. The lens was discovered
by matching a photometric quasar catalogue compiled from Pan-STARRS and WISE
photometry to the Gaia DR1 catalogue, exploiting the high spatial resolution of
the latter (FWHM $\sim $0.1") to identify the three brightest components of the
lens. Follow-up spectroscopic observations with the WHT confirm the multiple
objects are quasars at redshift
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1745-3933
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Science and Technology Facilities Council (1638336)
Science and Technology Facilities Council (ST/K004182/1)
Science and Technology Facilities Council (ST/N001702/1)