PHARO: A Near-Infrared Camera for the Palomar Adaptive Optics System

Details PHARO: A Near-Infrared Camera for the Palomar Adaptive Optics System PHARO: A Near-Infrared Camera for the Palomar Adaptive Optics System

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasp..113..105h&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 113, Issue 779, pp. 105-118.

Physics

Optics

62

Instrumentation: Adaptive Optics

Scientific paper

We describe Cornell's near-infrared camera system PHARO (Palomar High Angular Resolution Observer) built for use with the JPL Palomar Adaptive Optics System on the 5 m Hale telescope. PHARO uses a 1024×1024 HgCdTe HAWAII detector for observations between 1 and 2.5 μm wavelength. An all-reflecting optical system provides diffraction-limited images at two scales, 25 and 40 mas pixel-1, plus a pupil imaging mode. PHARO also has a coronagraphic imaging capability and a long-slit grism spectroscopy mode at resolving power ~1500. The instrument has been in use with the AO system at Palomar since early 1998.

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