Active wide-field sky simulator design for the JPL astrometry testbed

Matthew Noyes; Eduardo Bendek

doi:10.1117/12.2594035

1 August 2021 Active wide-field sky simulator design for the JPL astrometry testbed

Matthew Noyes, Eduardo Bendek

Proceedings Volume 11823, Techniques and Instrumentation for Detection of Exoplanets X; 1182316 (2021) https://doi.org/10.1117/12.2594035
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Measuring the astrometric singal of an exoplanet is an unambiguous method for determining its mass. However, Earth-like planets around Sun-like stars only cause 0.3 uas astrometric signals, which is too small for current instruments to detect. To advance these instruments, an astrometry testbed was created. It can simulate and measure equivalent signals with the use of an illuminated pinhole array and a flexurized pinhole that is translatable to 10 pm resolution. Optical distortions are calibrated with the use of a diffractive pupil. This paper presents the requirements, design, and implementation of the wide-field astrometry testbed’s light source.

Conference Presentation

Citation Download Citation

Matthew Noyes and Eduardo Bendek "Active wide-field sky simulator design for the JPL astrometry testbed", Proc. SPIE 11823, Techniques and Instrumentation for Detection of Exoplanets X, 1182316 (1 August 2021); https://doi.org/10.1117/12.2594035

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