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Constraining quasar structure using high-frequency microlensing variations and continuum reverberation
E. Paic, G. Vernardos, D. Sluse +4
Gravitational microlensing is a powerful tool to probe the inner structure of strongly lensed quasars and to constrain parameters of the stellar mass function of lens galaxies. Thi…
Measuring accretion disk sizes of lensed quasars with microlensing time delay in multi-band light curves
J. H. H. Chan, K. Rojas, M. Millon +3
Time-delay cosmography in strongly lensed quasars offer an independent way of measuring the Hubble constant, . However, it has been proposed that the combination of microlensi…
H0LiCOW XI. A weak lensing measurement of the external convergence in the field of the lensed quasar B1608+656 using HST and Subaru deep imaging
O. Tihhonova, F. Courbin, D. Harvey +11
We investigate the environment and line of sight of the H0LiCOW lens B1608+656 using Subaru Suprime-Cam and the Hubble Space Telescope (HST) to perform a weak lensing analysis. We…
Twisted quasar light curves: implications for continuum reverberation mapping of accretion disks
J. H-H. Chan, M. Millon, V. Bonvin +1
With the advent of high-cadence and multi-band photometric monitoring facilities, continuum reverberation mapping is becoming of increasing importance to measure the physical size…
H0LiCOW X: Spectroscopic/imaging survey and galaxy-group identification around the strong gravitational lens system WFI2033-4723
D. Sluse, C. E. Rusu, C. D. Fassnacht +65
Galaxies and galaxy groups located along the line of sight towards gravitationally lensed quasars produce high-order perturbations of the gravitational potential at the lens positi…
Accretion Disk Size Measurement and Time Delays in the Lensed Quasar WFI 2033-4723
Christopher W. Morgan, Gregory E. Hyer, Vivien Bonvin +5
We present 13 seasons of -band photometry of the quadruply-lensed quasar WFI 2033-4723 from the 1.3m SMARTS telescope at CTIO and the 1.2m Euler Swiss Telescope at La Silla, in…