Performance of the near-infrared coronagraphic imager on gemini-south

Mark Chun*, Doug Toomey, Zahed Wahhaj, Beth Biller, Etienne Artigau, Tom Hayward, Mike Liu, Laird Close, Markus Hartung, Francois Rigauf, Christ Ftaclas

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

43 Citations (Scopus)

Abstract

We present the coronagraphic and adaptive optics performance of the Gemini-South Near-Infrared Coronagraphic Imager (NICI). NICI includes a dual-channel imager for simultaneous spectral difference imaging' a dedicated 85-element curvature adaptive optics system' and a built-in Lyot coronagraph. It is specifically designed to survey for and image large extra-solar gaseous planets on the Gemini Observatory 8-meter telescope in Chile. We present the on-sky performance of the individual subsystems along with the end-to-end contrast curve. These are compared to our model predictions for the adaptive optics system' the coronagraph' and the spectral difference imaging.

Original languageEnglish
Title of host publicationAdaptive Optics Systems
DOIs
Publication statusPublished - 2008
Externally publishedYes
EventAdaptive Optics Systems - Marseille, France
Duration: 23 Jun 200826 Jun 2008

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7015
ISSN (Print)0277-786X

Conference

ConferenceAdaptive Optics Systems
Country/TerritoryFrance
CityMarseille
Period23/06/0826/06/08

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