The CHARA array adaptive optics program

Theo A. ten Brummelaar; Judit Sturmann; Laszlo Sturmann; Matthew D. Anderson; Nils H. Turner; Michael J. Ireland; John D. Monnier; Denis Mourard; Stephen T. Ridgway; Douglas R. Gies; Jean-Baptiste Le Bouquin

doi:10.1117/12.2312311

10 July 2018 The CHARA array adaptive optics program

Theo A. ten Brummelaar, Judit Sturmann, Laszlo Sturmann, Matthew D. Anderson, Nils H. Turner, Michael J. Ireland, John D. Monnier, Denis Mourard, Stephen T. Ridgway, Douglas R. Gies, Jean-Baptiste Le Bouquin

Author Affiliations +

Proceedings Volume 10703, Adaptive Optics Systems VI; 1070304 (2018) https://doi.org/10.1117/12.2312311
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The CHARA array is an optical/near infrared interferometer consisting of six 1-meter diameter telescopes, the longest baseline of which is 331 meters. With sub-millisecond angular resolution, the CHARA array is able to spatially resolve nearby stellar systems and reveal their detailed structures. To improve the sensitivity and scientific throughput, the CHARA array was funded by NSF-ATI in 2011 for an upgrade of adaptive optics (AO) systems to all six telescopes. This first grant covered Phase I of the adaptive optics system, which includes an on-telescope Wavefront Sensor (WFS) and non-common-path (NCP) error correction. Phase II of the program was funded by the NSF/MRI in 2016, and includes purchasing and installing the deformable mirrors at each telescope to complete the system. In this paper we will discuss both phases of the program, how the challenge of AO differs for interferometry, and the first results of the full system.

Conference Presentation

Citation Download Citation

Theo A. ten Brummelaar, Judit Sturmann, Laszlo Sturmann, Matthew D. Anderson, Nils H. Turner, Michael J. Ireland, John D. Monnier, Denis Mourard, Stephen T. Ridgway, Douglas R. Gies, and Jean-Baptiste Le Bouquin "The CHARA array adaptive optics program", Proc. SPIE 10703, Adaptive Optics Systems VI, 1070304 (10 July 2018); https://doi.org/10.1117/12.2312311

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available