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The Colorado Ultraviolet Transit Experiment (CUTE) signal to noise calculator

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arxiv 2304.02776 v1 pith:CUI77ASI submitted 2023-04-05 astro-ph.IM

The Colorado Ultraviolet Transit Experiment (CUTE) signal to noise calculator

A. G. Sreejith , Luca Fossati , P. E. Cubillos , S Ambily , Brian Fleming , Kevin France This is my paper
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keywords cutecalculatortransitcoloradocurrentlyexperimentultravioletused
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We present here the signal-to-noise (S/N) calculator developed for the Colorado Ultraviolet Transit Experiment (CUTE) mission. CUTE is a 6U CubeSat operating in the near-ultraviolet (NUV) observing exoplanetary transits to study their upper atmospheres. CUTE was launched into a low-Earth orbit in September 2021 and it is currently gathering scientific data. As part of the S/N calculator, we also present the error propagation for computing transit depth uncertainties starting from the S/N of the original spectroscopic observations. The CUTE S/N calculator is currently extensively used for target selection and scheduling. The modular construction of the CUTE S/N calculator enables its adaptation and can be used also for other missions and instruments.

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