Adaptive Optics: A Pandora's box for Photometry

Details Adaptive Optics: A Pandora's box for Photometry Adaptive Optics: A Pandora's box for Photometry

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998baas...30..763r&link_type=abstract

American Astronomical Society Meeting, 191, #128.01

Physics

Optics

1

Scientific paper

In conjunction with the long running CHARA speckle program, CHARA has begun using Adaptive Optics to study binary stars. Most of this work has focused on determining differential magnitudes for binary stars. CHARA was awarded six nights on the 1.5 meter at the Starfire Optical Range (SOR) in 1995. Since then CHARA has begun observing with the Mt Wilson Institute Adaptive Optics (MWI-AO) system on the Hooker 100-inch telescope at Mt. Wilson Observatory. While attempting to estimate error bars on the differential magnitudes it was noticed that frames of the same object taken sequentially produce discrepant images and results. As this may be related to the specific AO system comparisons between SOR and MWI-AO data are made for stars that were observed with both systems. Also, comparisons are made between stars observed multiple times with the MWI-AO system. The results of this investigation are presented.

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