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Proceedings Paper

Testing and characterization of the TESS CCDs
Author(s): C. Thayer; J. Villasenor; S. Kissel; B. LaMarr; E. Morgan; G. Prigozhin; I. Prigozhin; G. Ricker; T. Sauerwein; V. Suntharalingam; R. Vanderspek; D. Woods
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Paper Abstract

The Transiting Exoplanet Survey Satellite (TESS) is an Explorer-class mission dedicated to finding planets around bright, nearby stars so that more detailed follow-up studies can be done. TESS is due to launch in 2017 and careful characterization of the detectors will need to be completed on ground before then to ensure that the cameras will be within their photometric requirement of 60ppm/hr. TESS will fly MITLincoln Laboratories CCID-80s as the main scientific detector for its four cameras. They are 100μm deep depletion devices which have low dark current noise levels and can operate at low light levels at room temperature. They also each have a frame store region, which reduces smearing during readout and allows for near continuous integration. This paper describes the hardware and methodology that were developed for testing and characterizing individual CCID-80s. A dark system with no stimuli was used to measure the dark current. Fe55 and Cd109 X-ray sources were used to establish gain at low signal levels and its temperature dependence. An LED system that generates a programmable series of pulses was used in conjunction with an integrating sphere to measure pixel response non-uniformity (PRNU) and gain at higher signal levels. The same LED system was used with a pinhole system to evaluate the linearity and charge conservation capability of the CCID-80s.

Paper Details

Date Published: 29 July 2016
PDF: 13 pages
Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 99042X (29 July 2016); doi: 10.1117/12.2232886
Show Author Affiliations
C. Thayer, MIT Kavli Institute for Astrophysics and Space Research (United States)
J. Villasenor, MIT Kavli Institute for Astrophysics and Space Research (United States)
S. Kissel, MIT Kavli Institute for Astrophysics and Space Research (United States)
B. LaMarr, MIT Kavli Institute for Astrophysics and Space Research (United States)
E. Morgan, MIT Kavli Institute for Astrophysics and Space Research (United States)
G. Prigozhin, MIT Kavli Institute for Astrophysics and Space Research (United States)
I. Prigozhin, MIT Lincoln Lab. (United States)
G. Ricker, MIT Kavli Institute for Astrophysics and Space Research (United States)
T. Sauerwein, MIT Kavli Institute for Astrophysics and Space Research (United States)
V. Suntharalingam, MIT Lincoln Lab. (United States)
R. Vanderspek, MIT Kavli Institute for Astrophysics and Space Research (United States)
D. Woods, MIT Lincoln Lab. (United States)


Published in SPIE Proceedings Vol. 9904:
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
Howard A. MacEwen; Giovanni G. Fazio; Makenzie Lystrup; Natalie Batalha; Nicholas Siegler; Edward C. Tong, Editor(s)

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