Caustic area biases and how to deal with them | Astronomy & Astrophysics (A&A)

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Fig. 3.

Relative bias on the quad caustic area in our simulation, for three different values of s_A, as defined in Eq. (18). The vertical dotted line marks the quad caustic area of an SIE lens with q = 0.7 and an Einstein radius of 1.5″, for reference.

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