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The Colorado ultraviolet transit experiment (CUTE): final design and projected performance
Author(s): Arika Egan; Brian T. Fleming; Kevin France; Nicholas Nell; Stefan Ulrich; Nicholas DeCicco; Richard Kohnert; A. G. Sreegith; Luca Fossati; Nicholas Kruczek
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Paper Abstract

The Colorado Ultraviolet Transit Experiment (CUTE) is a near-UV (NUV), 6U CubeSat designed to characterize the interaction between exoplanetary atmospheres and their host stars. CUTE is dedicated to observing multiple transits of short period planets with a range of masses to measure the transit depths of atomic and molecular nearUV features. These observations will enable us to quantify as a function of wavelength the transit ingress, egress, and depth of exoplanet light curves in order to determine the presence of bow shocks and strong atmospheric mass loss. The CUTE optical system combines a novel rectangular Cassegrain telescope and a holographically-ruled, aberration-correcting diffraction grating. The high-throughput optical system is projected to obtain an average effective area of ≈24 cm2 , comparable to previous Explorer class missions (GALEX) in a CubeSat package. This proceeding provides an overview of the science motivation, the final telescope and spacecraft design, and an outline of the mission operation.

Paper Details

Date Published: 6 July 2018
PDF: 12 pages
Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray, 106990C (6 July 2018); doi: 10.1117/12.2309990
Show Author Affiliations
Arika Egan, Univ. of Colorado Boulder (United States)
Brian T. Fleming, Univ. of Colorado Boulder (United States)
Kevin France, Univ. of Colorado Boulder (United States)
Nicholas Nell, Univ. of Colorado Boulder (United States)
Stefan Ulrich, Univ. of Colorado Boulder (United States)
Nicholas DeCicco, Univ. of Colorado Boulder (United States)
Richard Kohnert, Univ. of Colorado Boulder (United States)
A. G. Sreegith, Institut für Weltraumforschung (Austria)
Luca Fossati, Institut für Weltraumforschung (Austria)
Nicholas Kruczek, Univ. of Colorado Boulder (United States)


Published in SPIE Proceedings Vol. 10699:
Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Shouleh Nikzad; Kazuhiro Nakazawa, Editor(s)

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