Statistics – Computation
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543527n&link_type=abstract
American Astronomical Society, AAS Meeting #215, #435.27; Bulletin of the American Astronomical Society, Vol. 42, p.383
Statistics
Computation
Scientific paper
The purpose of this research project is to determine the properties of gravitational lensing systems through the use of computer simulations. Modeling the lens galaxy as a Singular Isothermal Ellipsoid (SIE), we solved the gravitational lens equation for many different source and lens configurations in order to determine the properties of the system which reproduce the observed lensed images. Although exploring the entire parameter space is a computationally intense process, we have shown that solutions can be found relatively quickly by incorporating interaction between a user and the computer (solutions were found within a few minutes in our test cases). For this reason, we are collaborating with Galaxy Zoo to create and deploy an interactive Java applet which will allow non-experts to contribute to the modeling process. This project promises to determine properties of source galaxies in addition to finding the dark matter distributions of lens galaxies.
Marshall Patrice
Naudus Philip
Wallin John
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