Bibcode
Jiménez-Vicente, J.; Mediavilla, E.; Muñoz, J. A.; Kochanek, C. S.
Bibliographical reference
The Astrophysical Journal, Volume 751, Issue 2, article id. 106 (2012).
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6
2012
Journal
Citations
58
Refereed citations
54
Description
Using microlensing measurements for a sample of 27 image pairs of 19
lensed quasars we determine a maximum likelihood estimate for the
accretion disk size of an average quasar of rs =
4.0+2.4 - 3.1 lt-day at rest frame
langλrang = 1736 Å for microlenses with a mean mass of
langMrang = 0.3 M &sun;. This value, in good agreement with
previous results from smaller samples, is roughly a factor of five
greater than the predictions of the standard thin disk model. The
individual size estimates for the 19 quasars in our sample are also in
excellent agreement with the results of the joint maximum likelihood
analysis.
Related projects
Relativistic and Theoretical Astrophysics
Introduction Gravitational lenses are a powerful tool for Astrophysics and Cosmology. The goals of this project are: i) to obtain a robust determination of the Hubble constant from the time delay measured between the images of a lensed quasar; ii) to study the individual and statistical properties of dark matter condensations in lens galaxies from
Evencio
Mediavilla Gradolph