Mid Infrared Observations of Quasar Lenses

Details Mid Infrared Observations of Quasar Lenses Mid Infrared Observations of Quasar Lenses

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.2108a&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #21.08; Bulletin of the American Astronomical Society, V

Physics

Optics

1

Scientific paper

We present mid-infrared observations with the Michelle camera on Gemini North of two gravitationally lensed quasars, MG 0414+0534 and H 1413+117. The mid-infrared is unaffected by extinction, microlensing, and electron scattering, making it the ideal wavelength to measure the flux ratios of the lensed images for constraining gravitational lens models. In addition, 8-meter class telescopes are diffraction-limited at 10 microns (without adaptive optics), allowing close pairs of lensed images to be resolved. We discuss the constraints on the mass models of these lenses imposed by our observations, in particular the non-smooth components of the lens potential, and compare with observations at other wavelengths and with mid-infrared observations of other lenses.

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