Lens Model Degeneracy and Cosmological Tests by Strong Gravitational Lensing
スポンサーリンク
概要
- 論文の詳細を見る
We estimate the sensitivity of lensing observables to the parameters in the lens model (isothermal sphere/Navarro-Frenk-White profile) parameters and to cosmological parameters. We find that the observables are primarily dependent on the lens model parameters, while the dependence on cosmological parameters is minor (especially so for the dark energy parameters). We demonstrate the lens model degeneracy by deriving both the projected mass density profile and the circular velocity profile. We also identify a possible source of the problem of fitting the averaged mass profile of CL 0024+1654 with the Navarro-Frenk-White profile.
- 理論物理学刊行会の論文
- 2002-03-25
著者
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Chiba Takeshi
Department Of Functional Molecular Chemistry Kobe Pharmaceutical University
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Takahashi Ryuichi
Department Of Cardiovascular Surgery Saiseikai Utsunomiya Hospital
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Takahashi Ryuichi
Department Of Physics Kyoto University
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TAKAHASHI Ryuichi
Department of Physics, Kyoto University
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