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SDSS J1335+0118: A New Two-Image Gravitational Lens

机译:SDSS J1335 + 0118:新型两像引力透镜

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Wereportonthediscoveryofthetwo-imagegravitationallylensedquasarSDSSJ1335$$+$$0118.TheobjectwasselectedasalenscandidatefromtheSloanDigitalSkySurvey.Theimagingandspectroscopicfollow-upobservationsconfirmthatthesystemexhibitstwogravitationallylensedimagesofaquasarat$$z=1.57$$.Theimageseparationis$${1 lap{.}{}^{mathrm{primeprime}}56}$$.Wealsodetectanextendedcomponentbetweenthetwoquasarimages,likelytobealensinggalaxy.Preliminarymassmodelingpredictsadifferentialtimedelay,$$Deltat$$of$$sim30,h^{-1}mathrm{day}$$,assumingtheredshiftofthelensgalaxytobe$$0.5$$.
机译:Wereportonthediscoveryofthetwo-imagegravitationallylensedquasarSDSSJ1335 $$ + $$ 0118.TheobjectwasselectedasalenscandidatefromtheSloanDigitalSkySurvey.Theimagingandspectroscopicfollow-upobservationsconfirmthatthesystemexhibitstwogravitationallylensedimagesofaquasarat $$ Z = 1.57 $$。Theimageseparationis $$ {1圈{。} {} ^ {mathrm {primeprime}}} 56 $$。Wealsodetectanextendedcomponentbetweenthetwoquasarimages,likelytobealensinggalaxy.Preliminarymassmodelingpredictsadifferentialtimedelay ,假设$ Deltat $$ of $ sim30,h ^ {-1} mathrm {day} $$,假设将镜头银河系转移到$ 0.5 $$。

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