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Gravitational Lensing as Probe of Large Scale Structure of the Universe

Published online by Cambridge University Press:  26 May 2016

V. B. Bhatia ,
D. Jain ,
S. Mahajan  and
N. Panchapakesan
V. B. Bhatia
Affiliation:
Department of Physics and Astrophysics, University of Delhi, Delhi 110007
D. Jain
Affiliation:
Department of Physics and Astrophysics, University of Delhi, Delhi 110007
S. Mahajan
Affiliation:
Department of Physics and Astrophysics, University of Delhi, Delhi 110007
N. Panchapakesan
Affiliation:
Department of Physics and Astrophysics, University of Delhi, Delhi 110007

Abstract

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We apply gravitational lensing statistics to: (1) place a limit on the cosmological constant (ΩΛ); (2) place a limit on the average red-shift (< z >) of gamma-ray bursters (GRBs); (3) investigate models of galaxy evolution to see how compatible these models are with lensing statistics. We also point out the sources of uncertainty in lensing statistics, leading to uncertainty in the results.

Type
Part XII: Poster Papers
Information
Symposium - International Astronomical Union , Volume 201: New Cosmological Data and the Values of the Fundamental Parameters , 2005 , pp. 437 - 438
Copyright
Copyright © Astronomical Society of the Pacific 2005 

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