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Proceedings Paper

Recent technical and scientific highlights from the CHARA Array
Author(s): Harold A. McAlister; Theo A. ten Brummelaar; Stephen T. Ridgway; Douglas R. Gies; Judit Sturmann; Laszlo Sturmann; Nils H. Turner; Gail H. Schaefer; Tabetha S. Boyajian; Christopher D. Farrington; P. J. Goldfinger; Larry Webster
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Paper Abstract

The CHARA Array is a six-telescope optical/IR interferometer managed by the Center for High Angular Resolution Astronomy of Georgia State University and located at Mount Wilson Observatory in the San Gabriel Mountains overlooking Pasadena, California. The CHARA Array has the longest operational baselines in the world and has been in regular use for scientific observations since 2005. In this paper we give an update of instrumentation improvements, primarily focused on the beam combiner activity. The CHARA Array supports seven beam combiners: CHARA CLASSIC, a two-way high-sensitivity K/H/J band system; CLIMB, a three-way K/H/J open-air combiner; FLUOR, a two-way K-band high-precision system; MIRC, a four/six-way H/K-band imaging system; CHAMP, a six-way K-band fringe tracker; VEGA, a four-way visible light high spectral resolution system; and PAVO, a three-way visible light high sensitivity system. We also present an overview of science results obtained over the last few years, including some recent imaging results.

Paper Details

Date Published: 12 September 2012
PDF: 13 pages
Proc. SPIE 8445, Optical and Infrared Interferometry III, 84450H (12 September 2012); doi: 10.1117/12.926452
Show Author Affiliations
Harold A. McAlister, Georgia State Univ. (United States)
Theo A. ten Brummelaar, CHARA Array, Georgia State Univ. (United States)
Stephen T. Ridgway, National Optical Astronomy Observatory (United States)
Douglas R. Gies, Georgia State Univ. (United States)
Judit Sturmann, CHARA Array, Georgia State Univ. (United States)
Laszlo Sturmann, CHARA Array, Georgia State Univ. (United States)
Nils H. Turner, CHARA Array, Georgia State Univ. (United States)
Gail H. Schaefer, CHARA Array, Georgia State Univ. (United States)
Tabetha S. Boyajian, Georgia State Univ. (United States)
Christopher D. Farrington, CHARA Array, Georgia State Univ. (United States)
P. J. Goldfinger, CHARA Array, Georgia State Univ. (United States)
Larry Webster, CHARA Array, Georgia State Univ. (United States)

Published in SPIE Proceedings Vol. 8445:
Optical and Infrared Interferometry III
Françoise Delplancke; Jayadev K. Rajagopal; Fabien Malbet, Editor(s)

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