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Ignore:
Timestamp:
Apr 13, 2019, 12:47:43 PM (7 years ago)
Author:
eugene
Message:

add lensing formulae

File:
1 edited

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  • trunk/doc/release.2015/ps1.analysis/analysis.tex

    r40689 r40692  
    27402740
    27412741The observed ellipticity of an object observed in a real instrument
    2742 will be affected by the instrumental signature of the instrument.  To
     2742will be affected by the point spread function of the instrument.  To
    27432743first order, the effect on the polarization components can be
    27442744described as a combination of ``smear'', in which the observed shape
     
    27492749terms can be corrected. 
    27502750
    2751 
     2751\begin{eqnarray}
     2752X^{sh}_{1,1} = T^{-1} \sum f \left[ 2W(x^2 + y^2) + 2W^\prime (x^2 - y^2)^2 \\
     2753X^{sh}_{1,2} = T^{-1} \sum f \left[ 4W^\prime(x^2 - y^2) x y \\
     2754X^{sh}_{2,2} = T^{-1} \sum f \left[ 2W(x^2 + y^2) + 8W^\prime x^2 y^2 \\
     2755\end{eqnarray}
     2756
     2757\begin{eqnarray}
     2758e^{sh}_1 = 2 e_1 + 2 T^{-1} \sum f W^\prime (x^2 + y^2) (x^2 - y^2) \\
     2759e^{sh}_2 = 2 e_2 + 2 T^{-1} \sum f W^\prime (x^2 + y^2) 2 x y \\
     2760\end{eqnarray}
     2761
     2762\begin{eqnarray}
     2763X^{sm}_{1,1} = T^{-1} \sum f \left[ W + 2W^\prime (x^2 + y^2) + W^{\prime \prime} (x^2 - y^2)^2 \\
     2764X^{sm}_{1,2} = T^{-1} \sum f \left[ 2W^{\prime\prime} (x^2 - y^2) x y \\
     2765X^{sm}_{2,2} = T^{-1} \sum f \left[ W + 2W^\prime (x^2 + y^2) + 4W^{\prime \prime} x^2 y^2 \\
     2766\end{eqnarray}
     2767 
     2768\begin{eqnarray}
     2769e^{sm}_1 = T^{-1} \sum f \left[ 2W^\prime + W^{\prime \prime} (x^2 + y^2) \right] (x^2 - y^2) \\
     2770e^{sm}_2 = T^{-1} \sum f \left[ 2W^\prime + W^{\prime \prime} (x^2 + y^2) \right] 2 x y \\
     2771\end{eqnarray}
     2772 
    27522773
    27532774@ARTICLE{2017MNRAS.468.3499D,
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