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Microlensing: Quasar Size and Luminosity Profile (2)
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PublicationMiNDSTEp differential photometry of the gravitationally lensed quasars WFI 2033-4723 and HE 0047-1756: microlensing and a new time delayAims: We present V and R photometry of the gravitationally lensed quasars WFI 2033-4723 and HE 0047-1756. The data were taken by the MiNDSTEp collaboration with...
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PublicationModeling of the HerMES Submillimeter Source Lensed by a Dark Matter Dominated Foreground Group of GalaxiesWe present the results of a gravitational lensing analysis of the bright z s = 2.957 submillimeter galaxy (SMG) HERMES found in the Herschel/SPIRE science...
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PublicationMS 2053.7-0449: Confirmation of a Bimodal Mass Distribution from Strong Gravitational LensingWe present the first strong-lensing study of the mass distribution in the cluster MS 2053-04 based on HST archive data. This massive, X-ray luminous cluster has...
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PublicationMultifrequency Analysis of the New Wide-Separation Gravitational Lens Candidate RX J0921+4529We report the discovery of a new two-image gravitational lens candidate. The system RX J0921+4529 contains two zs=1.66 quasars separated by 6.93" with an H-band...
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TalkMultiply-imaged Quasars: Doubles, Quads and Einstein Rings (1)
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TalkMultiply-imaged Quasars: Time Delays and Hubble Constant (3)
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PublicationMultiwavelength study of the gravitationally lensed blazar QSO B0218+357 between 2016 and 2020We report multiwavelength observations of the gravitationally lensed blazar QSO B0218+357 in 2016-2020. Optical, X-ray, and GeV flares were detected. The...
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NewsNew data obtained about the biggest and one of the most complete Einstein ringsIn December 2020 a team from the European Space Agency (ESA) published an image taken by the Hubble Space Telescope (HST) of GAL-CLUS-022058s, the biggest and...