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Proceedings Article

ASTRA: astrometry and phase-referencing astronomy on the Keck interferometer

[+] Author Affiliations
J. Woillez, S. Ragland, P. Wizinowich, E. Appleby, B. Berkey, A. Cooper, M. Hrynevych, O. Martin, D. Medeiros, D. Morrison, T. Panteleeva, B. Smith, K. Summers, K. Tsubota, C. Tyau, E. Wetherell

W. M. Keck Observatory (USA)

R. Akeson, R. Millan-Gabet, C. Felizardo, J. Herstein

NASA Exoplanet Science Institute (USA)

M. Colavita

Jet Propulsion Lab. (USA)

J. Eisner

The Univ. of Arizona (USA)

A. Ghez

Univ. of California, Los Angeles (USA)

J. Graham

Univ. of California, Berkeley (USA)

L. Hillenbrand

California Institute of Technology (USA)

J. Monnier

Univ. of Michigan (USA)

J-U. Pott

Max-Planck-Institut für Astronomie (Germany)

Proc. SPIE 7734, Optical and Infrared Interferometry II, 773412 (July 21, 2010); doi:10.1117/12.857740
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From Conference Volume 7734

  • Optical and Infrared Interferometry II
  • William C. Danchi; Françoise Delplancke; Jayadev K. Rajagopal
  • San Diego, California | June 27, 2010
Abstract

abstract

ASTRA (ASTrometric and phase-Referencing Astronomy) is an upgrade to the existing Keck Interferometer which aims at providing new self-phase referencing (high spectral resolution observation of YSOs), dual-field phase referencing (sensitive AGN observations), and astrometric (known exoplanetary systems characterization and galactic center general relativity in strong field regime) capabilities. With the first high spectral resolution mode now offered to the community, this contribution focuses on the progress of the dual field and astrometric modes.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

J. Woillez ; R. Akeson ; M. Colavita ; J. Eisner ; A. Ghez, et al.
"ASTRA: astrometry and phase-referencing astronomy on the Keck interferometer", Proc. SPIE 7734, Optical and Infrared Interferometry II, 773412 (July 21, 2010); doi:10.1117/12.857740; http://dx.doi.org/10.1117/12.857740


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