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This article has an erratum: [https://doi.org/10.1051/0004-6361/201321596e]


Fig. 3

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χ2 values as a function of FWHM (=) and a. Bottom row, left to right: SP, GFPI (MOMFBD), GFPI (destretched) and POLIS. Top row: TIP@1083 nm, TIP@1565 nm and Echelle@557 nm. The white crosses indicate the parameters corresponding to the “best” kernels.

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