Computer Science – Performance
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21542123m&link_type=abstract
American Astronomical Society, AAS Meeting #215, #421.23; Bulletin of the American Astronomical Society, Vol. 42, p.290
Computer Science
Performance
Scientific paper
The Habitable Zone Planet Finder (HZPF) is a proposed instrument for the 9m Hobby Eberly telescope that will be capable of discovering low mass planets around M dwarfs. HZPF will be fiber-fed, provide a spectral resolution R 50,000 and cover the wavelength range 0.9-1.65mm, the Y, J and H near infrared (NIR) bands where most of the flux is emitted by late type M stars, and where most of the radial velocity information is concentrated. Enclosed in a vacuum tank with active temperature control, fiber scrambling and mechanical agitation, HZPF is designed to achieve a radial velocity precision < 3m/s, with a desire to achieve 1m/s for the brightest targets. This instrument will enable a study of the properties of low mass planets around M dwarfs; discover planets in the habitable zones around these stars, and serve as an essential radial velocity confirmation tool for astrometric and transit detections around late M dwarfs. Radial velocity observation the NIR will also enable a search for close in planets around young active stars, complementing the search space enabled by upcoming high-contrast imaging instruments. Tests with our laboratory prototype have already demonstrated the ability to recover radial velocities in the NIR at 7-10 m/s precision from integrated sunlight. We will discuss lessons learned about calibration and NIR array performance from our tests and how they impact the design of the HZPF.
Endl Michael
Mahadevan Suvrath
Ramsey Larry
Redman Stephen
Wolszczan Alex
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