Analysis of K-band imaging of the wide binary system &#963; CrB with the Lick Observatory NGS AO system

Kenneth J. Mighell; Julian C. Christou; Jack D. Drummond

doi:10.1117/12.670574

27 June 2006 Analysis of K-band imaging of the wide binary system σ CrB with the Lick Observatory NGS AO system

Kenneth J. Mighell, Julian C. Christou, Jack D. Drummond

Proceedings Volume 6272, Advances in Adaptive Optics II; 62720I (2006) https://doi.org/10.1117/12.670574
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

We present astronomical results from K-band adaptive optics (AO) observations of the wide binary system σ Corona Borealis with the Lick Observatory natural guide star adaptive optics system on 2004 August 27-29. Seeing conditions were excellent and the AO compensation was very good, with Strehl ratios reaching 50% at times. The stellar images were reduced using three different analysis techniques: (1) Parametric Blind Deconvolution, (2) Multi-Frame Blind Deconvolution, and (3) the MATPHOT stellar photometry code. The relative photometric and astrometric precision achievable with these three analysis methods are compared. Future directions that this research can go towards achieving the goal of routinely obtaining precise and accurate photometry and astrometry based on near-infrared AO observations are described.

Citation Download Citation

Kenneth J. Mighell, Julian C. Christou, and Jack D. Drummond "Analysis of K-band imaging of the wide binary system σ CrB with the Lick Observatory NGS AO system", Proc. SPIE 6272, Advances in Adaptive Optics II, 62720I (27 June 2006); https://doi.org/10.1117/12.670574

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