High-sensitivity far-ultraviolet imaging spectroscopy with the SPRITE Cubesat

Brian T. Fleming; Kevin France; Jack Williams; Stefan Ulrich; Jason Tumlinson; Stephan McCandliss; John O'Meara; Ravi Sankrit; Sanchayeeta Borthakur; Anne Jaskot; Michael Rutkowski; Manuel Quijada; John Hennessy; Oswald Siegmund

doi:10.1117/12.2529512

9 September 2019 High-sensitivity far-ultraviolet imaging spectroscopy with the SPRITE Cubesat

Brian T. Fleming, Kevin France, Jack Williams, Stefan Ulrich, Jason Tumlinson, Stephan McCandliss, John O'Meara, Ravi Sankrit, Sanchayeeta Borthakur, Anne Jaskot, Michael Rutkowski, Manuel Quijada, John Hennessy, Oswald Siegmund

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Proceedings Volume 11118, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI; 111180U (2019) https://doi.org/10.1117/12.2529512
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

The SPRITE cubesat is a recently selected NASA astrophysics mission designed to measure ionizing radiation escape from star-forming galaxies, and to map far-ultraviolet (1000 - 1750 Å) emission from shocked regions in supernova remnants. The instrument leverages a number of new technologies identified for future large mission concepts, including the LUVOIR surveyor, to achieve the required performance. These include high broadband reflectivity mirror coatings and an ultra-low background photon counting microchannel plate detector with an anti-coincidence particle rejection system. SPRITE will serve as a flight testbed for these technologies, employing a robust calibration program as part of the principal science mission to advance the technology readiness level (TRL) to 7+ and provide heritage for future Explorer-class and larger missions. SPRITE is a 6U class cubesat funded through NASA ROSES with an anticipated launch date in 2022. The science data products will be archived on the Mikulski Archive for Space Telescopes (MAST). This proceedings describes the instrument science program, optical design, preliminary performance projections, and project timeline.

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Brian T. Fleming, Kevin France, Jack Williams, Stefan Ulrich, Jason Tumlinson, Stephan McCandliss, John O'Meara, Ravi Sankrit, Sanchayeeta Borthakur, Anne Jaskot, Michael Rutkowski, Manuel Quijada, John Hennessy, and Oswald Siegmund "High-sensitivity far-ultraviolet imaging spectroscopy with the SPRITE Cubesat", Proc. SPIE 11118, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXI, 111180U (9 September 2019); https://doi.org/10.1117/12.2529512

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KEYWORDS

Sensors

Galactic astronomy

Calibration

Microchannel plates

Signal to noise ratio

Stars

Mirrors

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