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Proceedings Paper

Michigan Infrared Combiner (MIRC): commissioning results at the CHARA Array
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Paper Abstract

The Michigan Infrared Combiner (MIRC) has been designed for two primary goals: 1) imaging with all six CHARA telescopes simultaneously in the near-infrared, 2) direct detection of "hot Jupiter" exoplanets using precision closure phases. In September 2005, MIRC was commissioned on-sky at the CHARA Array on Mt. Wilson, CA, successfully combining light from 4 telescopes simultaneously. After a brief overview of MIRC features and design philosophy, we provide detailed description of key components and present results of laboratory tests. Lastly, we present first results from the commissioning run, focusing on engineering performance. We also present remarkable on-sky closure phase results from the first night of recorded data with the best-ever demonstrated closure phase stability and precision (ΔΦ = 0.03 degrees).

Paper Details

Date Published: 28 June 2006
PDF: 11 pages
Proc. SPIE 6268, Advances in Stellar Interferometry, 62681P (28 June 2006); doi: 10.1117/12.671982
Show Author Affiliations
John D. Monnier, Univ. of Michigan (United States)
Ettore Pedretti, Univ. of Michigan (United States)
Nathalie Thureau, Univ. of Michigan (United States)
Jean-Philippe Berger, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
Rafael Millan-Gabet, Michelson Science Ctr., California Institute of Technology (United States)
Theo ten Brummelaar, CHARA Array, Georgia State Univ. (United States)
Harold McAlister, CHARA Array, Georgia State Univ. (United States)
Judit Sturmann, CHARA Array, Georgia State Univ. (United States)
Lazlo Sturmann, CHARA Array, Georgia State Univ. (United States)
Phil Muirhead, Univ. of Michigan (United States)
Ajay Tannirkulam, Univ. of Michigan (United States)
Scott Webster, Univ. of Michigan (United States)
Ming Zhao, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 6268:
Advances in Stellar Interferometry
John D. Monnier; Markus Schöller; William C. Danchi, Editor(s)

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