Recent technical and scientific highlights from the CHARA Array

Douglas R. Gies; Matthew D. Anderson; Narsireddy Anugu; Theo A. ten Brummelaar; Victor Castillo; Christopher D. Farrington; Steven Golden; Jeremy W. Jones; Robert Klement; Rainer Köhler; Cyprien Lanthermann; E. Robert Ligon; Olli Majoinen; Harold A. McAlister; Stephen T. Ridgway; Gail H. Schaefer; Nicholas J. Scott; Nils H. Turner; Norman L. Vargas; Larry Webster; Craig Woods

doi:10.1117/12.2629048

26 August 2022 Recent technical and scientific highlights from the CHARA Array

Douglas R. Gies, Matthew D. Anderson, Narsireddy Anugu, Theo A. ten Brummelaar, Victor Castillo, Christopher D. Farrington, Steven Golden, Jeremy W. Jones, Robert Klement, Rainer Köhler, Cyprien Lanthermann, E. Robert Ligon, Olli Majoinen, Harold A. McAlister, Stephen T. Ridgway, Gail H. Schaefer, Nicholas J. Scott, Nils H. Turner, Norman L. Vargas, Larry Webster, Craig Woods

Author Affiliations +

Proceedings Volume 12183, Optical and Infrared Interferometry and Imaging VIII; 1218303 (2022) https://doi.org/10.1117/12.2629048
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Center for High Angular Resolution Astronomy (CHARA) Array is a six-element interferometer with baselines ranging from 34 to 331 m. Three new beam combiners are entering operation: MYSTIC is a 6-telescope combiner for K-band; SPICA is a 6-telescope combiner for the visible R-band; and SILMARIL is a 3-telescope combiner for high sensitivity in H and K-bands. A seventh, portable telescope will use fiber optics for beam transport and will increase the baselines to 1 km. Observing time is available through a program funded by NSF. The programs are solicited and peer-reviewed by NSF’s National Optical-Infrared Astronomy Research Laboratory. The open community access has significantly expanded the range of astronomical investigations of stars and their environments. Here we summarize the scientific work and the on-going technical advances of the CHARA Array.

Conference Presentation

Citation Download Citation

Douglas R. Gies, Matthew D. Anderson, Narsireddy Anugu, Theo A. ten Brummelaar, Victor Castillo, Christopher D. Farrington, Steven Golden, Jeremy W. Jones, Robert Klement, Rainer Köhler, Cyprien Lanthermann, E. Robert Ligon, Olli Majoinen, Harold A. McAlister, Stephen T. Ridgway, Gail H. Schaefer, Nicholas J. Scott, Nils H. Turner, Norman L. Vargas, Larry Webster, and Craig Woods "Recent technical and scientific highlights from the CHARA Array", Proc. SPIE 12183, Optical and Infrared Interferometry and Imaging VIII, 1218303 (26 August 2022); https://doi.org/10.1117/12.2629048

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