Adaptive Optics Observations of Arcturus using the Mount Wilson 100 Inch Telescope | Zendy

N. H. Turner | Zendy; Theo A. ten Brummelaar | Zendy; Brian D. Mason | Zendy

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Adaptive Optics Observations of Arcturus using the Mount Wilson 100 Inch Telescope

Author(s) -

N. H. Turner,

Theo A. ten Brummelaar,

Brian D. Mason

Publication year - 1999

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/316353

Subject(s) - mount , adaptive optics , laser guide star , physics , telescope , astronomy , star (game theory) , observatory , guide star , astrophysics , optics , computer science , operating system

Upon inspection of the multiple-star results in the Hipparcos catalog, the —ag for entry number 69673 particularly stands out; it is Arcturus, for which no companion has been reported previously. The Hipparcos companion is reported to be at a separation of with a magnitude diÜerence in 0A.255 ^ 0A.039 a broadband —lter (peaked near 460 nm) of 3.33 ^ 0.31. We present recent results using the natural guide star adaptive optics system on the Mount Wilson 100 inch telescope showing Arcturus to be a single star.

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