The Most Powerful Lenses in the Universe: Quasar Microlensing as a Probe of the Lensing Galaxy
by David Pooley, Timo Anguita, Saloni Bhatiani, George Chartas, Matthew Cornachione, Xinyu Dai, Carina Fian, Evencio Mediavilla, Christopher Morgan, Leonidas A. Moustakas, Sampath Mukherjee, Matthew J. O'Dowd, Karina Rojas, Dominique Sluse, Georgios Vernardos, and Rachel Webster
Published onMay 31, 2019
The Most Powerful Lenses in the Universe: Quasar Microlensing as a Probe of the Lensing Galaxy
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Abstract
We describe how quasar microlensing is the only way to determine the dark/stellar ratio at the interesting sub-galactic scales of several kpc and how it is the only way to measure the stellar M/L outside the solar neighborhood. Both can be done as a function of redshift, and this requires sub-arcsecond X-ray imaging of LSST-discovered lenses.
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