Gravitational Lensing of Supernovae by Elliptical Navaro-Frenk-White (NFW) Haloes

Details Gravitational Lensing of Supernovae by Elliptical Navaro-Frenk-White (NFW) Haloes Gravitational Lensing of Supernovae by Elliptical Navaro-Frenk-White (NFW) Haloes

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20714211b&link_type=abstract

American Astronomical Society Meeting 207, #142.11; Bulletin of the American Astronomical Society, Vol. 37, p.1401

Astronomy and Astrophysics

Astronomy

Scientific paper

Galaxies and cluster of galaxies act as gravitational telescopes for objects in their background. The lensing effects caused by these gravitational telescopes have profound effects on the observation of celestial objects.
We present the effects of strong-lensing by galaxies and cluster of galaxies on the observed magnitudes and rates of supernovae. In our study galaxies are considered to have elliptical NFW mass profiles, while cluster of galaxies are treated as spherically symmetric deflectors. We investigate the effects of the ellipticity ɛ of the galactic mass models and compare the obtained results. Also, we briefly discuss the introduced bias and the calculated gain factors for supernovae.
We acknowledge the financial support from NSF grants AST-0506028 and AST-0204771.

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