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Fast Calculation of a Family of Elliptical Gravitational Lens Models

  • Authors: Rennan Barkana

Barkana 1998 The Astrophysical Journal 502 531.

  • Provider: AAS Journals

Caption: Fig. 2.

Isodensity contours of SPEMDs and corresponding SPEPs. (a) SPEMD contours with axis ratio 0.5. For a fixed axis ratio, as we decrease η the SPEP contours switch from being convex to a dumbbell shape, as shown in panels (b), (c), and (d).

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