Computer Science – Databases
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19911609h&link_type=abstract
American Astronomical Society, 199th AAS Meeting, #116.09; Bulletin of the American Astronomical Society, Vol. 33, p.1481
Computer Science
Databases
Scientific paper
SNAP would be expected to see handfuls of multiply-imaged supernovae per year, both type Is and type IIs, with each system appearing as multiple supernovae, closely spaced on the sky, with time delays of weeks to months between the different images. Each case of strong lensing allows for a precise determination of time delays, image separations, and relative image magnifications, and the SNAP strong lensing database will offer measures of Ω m, Ω Λ , and H0, independent of SNAP's primary goal of establishing the distance-redshift relation. These systems also constrain models for the matter density profiles of galaxies and clusters. Furthermore, lensed type Ia supernovae afford the opportunity to break the mass-sheet degeneracy found in many lensing measurements. The SNAP mission will provide, as a matter of course, one of the most thorough databases of uniformly selected strong lensing events ever produced.
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