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Proceedings Paper

Characterization of the atmospheric dispersion corrector of the Gemini planet imager
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Paper Abstract

An Atmospheric Dispersion Corrector (ADC) uses a double-prism arrangement to nullify the vertical chromatic dispersion introduced by the atmosphere at non-zero zenith distances. The ADC installed in the Gemini Planet Imager (GPI) was first tested in August 2012 while the instrument was in the laboratory. GPI was installed at the Gemini South telescope in August 2013 and first light occurred later that year on November 11th. In this paper, we give an overview of the characterizations and performance of this ADC unit obtained in the laboratory and on sky, as well as the structure of its control software.

Paper Details

Date Published: 10 July 2014
PDF: 16 pages
Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91474U (10 July 2014); doi: 10.1117/12.2055545
Show Author Affiliations
Pascale Hibon, Gemini South Observatory (Chile)
Sandrine Thomas, NASA Ames Research Ctr. (United States)
Jennifer Dunn, NRC - Herzburg Institute of Astrophysics (Canada)
Jennifer Atwood, NRC - Herzburg Institute of Astrophysics (Canada)
Leslie Saddlemyer, NRC - Herzburg Institute of Astrophysics (Canada)
Naru Sadakuni, Gemini South Observatory (Chile)
Stephen Goodsell, Gemini North Observatory (United States)
Bruce Macintosh, Stanford Univ. (United States)
James Graham, Univ. of California, Berkeley (United States)
Marshall Perrin, Space Telescope Science Institute (United States)
Fredrik Rantakyro, Gemini South Observatory (Chile)
Vincent Fesquet, Gemini South Observatory (Chile)
Andrew Serio, Gemini South Observatory (Chile)
Carlos Quiroz, Gemini South Observatory (Chile)
Andrew Cardwell, Gemini South Observatory (Chile)
Gaston Gausachs, Gemini South Observatory (Chile)
Dmitry Savransky, Cornell Univ. (United States)
Dan Kerley, NRC - Herzberg Institute of Astrophysics (Canada)
Markus Hartung, Gemini South Observatory (Chile)
Ramon Galvez, Gemini South Observatory (Chile)
Kayla Hardie, Gemini South Observatory (Chile)


Published in SPIE Proceedings Vol. 9147:
Ground-based and Airborne Instrumentation for Astronomy V
Suzanne K. Ramsay; Ian S. McLean; Hideki Takami, Editor(s)

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