Wide field instrument preliminary design for the Wide Field InfraRed Survey Telescope

David A. Content; Nerses V. Armani; Charles L. Baker; Clifton E. Jackson; Duncan M. Kahle; Jeffrey W. Kruk; John P. Lehan; Mark E. Melton; Eric Mentzell; Joseph J. Miko; David J. Palace; Bert A. Pasquale; Hume L. Peabody; Brian S. Smith; Walter F. Smith; Jeffrey W. Stewart; David A. Vaughnn; Augustyn Waczynski; Thomas E. Wallace

doi:10.1117/12.2025496

26 September 2013 Wide field instrument preliminary design for the Wide Field InfraRed Survey Telescope

David A. Content, Nerses V. Armani, Charles L. Baker, Clifton E. Jackson, Duncan M. Kahle, Jeffrey W. Kruk, John P. Lehan, Mark E. Melton, Eric Mentzell, Joseph J. Miko, David J. Palace, Bert A. Pasquale, Hume L. Peabody, Brian S. Smith, Walter F. Smith, Jeffrey W. Stewart, David A. Vaughnn, Augustyn Waczynski, Thomas E. Wallace

Author Affiliations +

Proceedings Volume 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI; 88600F (2013) https://doi.org/10.1117/12.2025496
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

We present the Wide Field Infra-Red Survey Telescope (WFIRST) wide field instrument concept based on the reuse of a 2.4m telescope recently made available to NASA. Two instrument channels are described, a wide field channel (~0.8x0.4degrees, 300Mpix, imaging and spectroscopy over 0.76-2.0um), and an integral field unit (3x3 arcsec, 1Mpix, R{2pixel} ~100 over 0.6-2.0um). For this mission concept, the telescope, instruments, and spacecraft are in a geosynchronous orbit and are designed for serviceability. This instrument can accomplish not only the baseline exoplanet microlensing, dark energy, and infrared surveys for WFIRST, but can perform at higher angular resolution and with deeper observations. This enables significant opportunities for more capable general observer programs. The emphasis on achieving very good imaging stability is maintained from the previous work.

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David A. Content, Nerses V. Armani, Charles L. Baker, Clifton E. Jackson, Duncan M. Kahle, Jeffrey W. Kruk, John P. Lehan, Mark E. Melton, Eric Mentzell, Joseph J. Miko, David J. Palace, Bert A. Pasquale, Hume L. Peabody, Brian S. Smith, Walter F. Smith, Jeffrey W. Stewart, David A. Vaughnn, Augustyn Waczynski, and Thomas E. Wallace "Wide field instrument preliminary design for the Wide Field InfraRed Survey Telescope", Proc. SPIE 8860, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VI, 88600F (26 September 2013); https://doi.org/10.1117/12.2025496

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