Simulations of a near-infrared precision radial velocity spectrograph for finding planets around M dwarfs

Ryan C Terrien; Chad F. Bender; Suvrath Mahadevan; Lawrence W. Ramsey; Fred R. Hearty; William D Vacca

doi:10.1117/12.926478

6 February 2013 Simulations of a near-infrared precision radial velocity spectrograph for finding planets around M dwarfs

Ryan C Terrien, Chad F. Bender, Suvrath Mahadevan, Lawrence W. Ramsey, Fred R. Hearty, William D Vacca

Author Affiliations +

Proceedings Volume 8446, Ground-based and Airborne Instrumentation for Astronomy IV; 844687 (2013) https://doi.org/10.1117/12.926478
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

We describe the development of a software simulator to support development of the Habitable Zone Planet Finder Spectrograph (HPF), currently being designed to search for planets around M dwarf stars. HPF is a near infrared R 50,000 cross-dispersed radial velocity spectrograph using a HAWAII-2 RG (H2RG) NIR array, is cooled to 200K, is fiber-fed, and operates in the Y and J bands. This instrument is funded and is in the design phase, and will be commissioned on the 10m Hobby-Eberly Telescope in 2015. Our simulations process high-resolution stellar spectra through models of the instrument, detector, and a simple extraction pipeline. Our objective is to create a a fully functional simulation of the entire HPF system, which can be used to guide spectrograph design and to aid in observation planning. We describe the fundamental design of these simulations and the tests we have performed, which verify that the simulator code is stable with inclusion of simple detector effects, and is ready for expansion to account for more complex factors such as order curvature.

Citation Download Citation

Ryan C Terrien, Chad F. Bender, Suvrath Mahadevan, Lawrence W. Ramsey, Fred R. Hearty, and William D Vacca "Simulations of a near-infrared precision radial velocity spectrograph for finding planets around M dwarfs", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 844687 (6 February 2013); https://doi.org/10.1117/12.926478

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