The assembly, calibration, and predicted performance of the SISTINE-2 sounding rocket payload

Fernando Cruz Aguirre; Nicholas Nell; Nicholas Kruczek; P. C. Hinton; Matthew Bridges; Kevin France; Brian Fleming

doi:10.1117/12.2594393

24 August 2021 The assembly, calibration, and predicted performance of the SISTINE-2 sounding rocket payload

Fernando Cruz Aguirre, Nicholas Nell, Nicholas Kruczek, P. C. Hinton, Matthew Bridges, Kevin France, Brian Fleming

Proceedings Volume 11821, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXII; 118210H (2021) https://doi.org/10.1117/12.2594393
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

The Suborbital Imaging Spectrograph for Transition-region Irradiance from Nearby Exoplanet host stars (SIS- TINE) sounding rocket payload is an f /30 imaging spectrograph designed to measure the far ultraviolet (1000 - 1275 and 1300 - 1565 Å) output of exoplanet host stars. The instrument is composed of an f /14 Cassegrain telescope with a 500 mm diameter primary mirror feeding a 2.1x magnifying spectrograph. Light is dispersed by a blazed, holographically ruled grating, reflected off a powered fold mirror, and recorded on a large format microchannel plate (MCP) detector. The instrument incorporates enhanced LiF (eLiF) protected aluminum on the primary, secondary, and fold mirrors. The secondary mirror also has a protective AlF₃ capping layer, applied using atomic layer deposition (ALD). The detector is composed of two windowless 113 x 42 mm segments with cross delay line anodes and CsI photocathodes. The detector utilizes ALD processed borosilicate plates, and additionally serves as a flight test for detectors on future astrophysics missions. The instrument reaches a peak effective area of 99.9 cm2 at 1145 Å. The assembly of SISTINE-2 included the application of new photocathodes to the detector, showing improvements in quantum efficiency after laboratory tests. SISTINE-2 will observe the nearby F star Procyon in late 2021, making the first simultaneous observation from O VI through C IV and setting new empirical constraints on the radiation fields experienced by planets orbiting mid-F stars.

Conference Presentation

Citation Download Citation

Fernando Cruz Aguirre, Nicholas Nell, Nicholas Kruczek, P. C. Hinton, Matthew Bridges, Kevin France, and Brian Fleming "The assembly, calibration, and predicted performance of the SISTINE-2 sounding rocket payload", Proc. SPIE 11821, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXII, 118210H (24 August 2021); https://doi.org/10.1117/12.2594393

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