Precision Radial Velocity Measurements in the Near-Infrared

Details Precision Radial Velocity Measurements in the Near-Infrared Precision Radial Velocity Measurements in the Near-Infrared

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21740104r&link_type=abstract

American Astronomical Society, AAS Meeting #217, #401.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

We have investigated and quantified several aspects of making precision radial velocity measurements in the near infrared (NIR) using the PSU Pathfinder --- a high-resolution, fiber-fed echelle spectrograph designed to reach the < 10 m/s precision level. At this precision, we could potentially find multi-Earth-mass planets in the Habitable Zone (HZ) around late M dwarfs. The issues we have investigated include issues with our IR array, modal noise, and suitable calibration sources. Along with the rest of the PSU Pathfinder team, We have performed several observations with our instrument, including measurements of the Earth's rotational velocity with respect to the Solar spectrum (where we were able to achieve precisions of 7 - 14 m/s), and on-sky observations of bright planet-hosting and RV standard stars at the Hobby-Eberly Telescope. We will report on the results of these observations, as well as the merits of our primary NIR calibration source, Uranium Neon.

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