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Peculiar Transverse Velocities of Galaxies from Quasar Microlensing. Tentative Estimate of the Peculiar Velocity Dispersion at
E. Mediavilla, J. Jimenez-Vicente, J. A. Munoz +1
We propose to use the flux variability of lensed quasar images induced by gravitational microlensing to measure the transverse peculiar velocity of lens galaxies over a wide range…
Size of the accretion disk in the gravitationally lensed quasar SDSS J1004+4112 from the statistics of microlensing magnifications
C. Fian, E. Mediavilla, A. Hanslmeier +4
We present eight monitoring seasons of the four brightest images of the gravitational lens SDSS J1004+4112 observed between December 2003 and October 2010. Using measured time dela…
Observations of the Lensed Quasar Q2237+0305 with CanariCam at GTC
H. Vives-Arias, J. A. Munoz, C. S. Kochanek +2
We present new mid-IR observations of the quadruply lensed quasar Q2237+0305 taken with CanariCam on the Gran Telescopio Canarias. Mid-IR emission by hot dust, unlike the optical a…