ERIS: the exoplanet high-resolution image simulator for CHARIS

Mary Anne Limbach; Tyler D. Groff; N. Jeremy Kasdin; Timothy Brandt; Kyle Mede; Craig Loomis; Masahiko Hayashi; Naruhisa Takato

doi:10.1117/12.2056282

14 July 2014 ERIS: the exoplanet high-resolution image simulator for CHARIS

Mary Anne Limbach, Tyler D. Groff, N. Jeremy Kasdin, Timothy Brandt, Kyle Mede, Craig Loomis, Masahiko Hayashi, Naruhisa Takato

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91478E (2014) https://doi.org/10.1117/12.2056282
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

ERIS is an image simulator for CHARIS, the high-contrast exoplanet integral field spectrograph (IFS) being built at Princeton University for the Subaru telescope. We present here the software design and implementation of the ERIS code. ERIS simulates CHARIS FITS images and data cubes that are used for developing the data reduction pipeline and verifying the expected CHARIS performance. Components of the software include detailed models of the light source (such as a star or exoplanet), atmosphere, telescope, adaptive optics systems (AO188 and SCExAO), CHARIS IFS and the Hawaii2-RG infrared detector. Code includes novel details such as the phase errors at the lenslet array, optical wavefront error maps and pinholes for reducing crosstalk, just to list a few. The details of the code as well as several simulated images are presented in this paper. This IFS simulator is critical for the CHARIS data analysis pipeline development, minimizing troubleshooting in the lab and on-sky and the characterization of crosstalk.

Citation Download Citation

Mary Anne Limbach, Tyler D. Groff, N. Jeremy Kasdin, Timothy Brandt, Kyle Mede, Craig Loomis, Masahiko Hayashi, and Naruhisa Takato "ERIS: the exoplanet high-resolution image simulator for CHARIS", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91478E (14 July 2014); https://doi.org/10.1117/12.2056282

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