Spectroscopic surveys in astrophysics and cosmology require an accurate knowledge of the non-uniformity in the transmission of light introduced by the telescope optics, which yields a non-uniform response all over the focal plane. In this work, we report a preliminary study on the in-flight flux self-calibration procedure and we characterize the expected precision on the reconstruction of the response function for a typical astrophysical survey.
In-flight flux self-calibration procedure for cosmological surveys
Risso I.;Davini S.;Tosi S.;
2021-01-01
Abstract
Spectroscopic surveys in astrophysics and cosmology require an accurate knowledge of the non-uniformity in the transmission of light introduced by the telescope optics, which yields a non-uniform response all over the focal plane. In this work, we report a preliminary study on the in-flight flux self-calibration procedure and we characterize the expected precision on the reconstruction of the response function for a typical astrophysical survey.
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