The "PISCO" speckle camera at Pic du Midi Observatory

Details The "PISCO" speckle camera at Pic du Midi Observatory The "PISCO" speckle camera at Pic du Midi Observatory

2006-09-29

arxiv.org/abs/astro-ph/0609817v1

Exper.Astron. 8 (1998) 297

Astronomy and Astrophysics

Astrophysics

Scientific paper

We present a new speckle camera designed and built at Observatoire Midi-Pyr\'{e}n\'{e}es. This focal instrument has been used for four years with the 2-meter Bernard Lyot Telescope of Pic du Midi observatory. It can be set in various operating modes: full pupil imaging, masked-pupil imaging, spectroscopy, wave-front sensor and stellar coronagraphy, hence its name "PISCO" ("Pupil Interferometry Speckle COronagraph"). Restored images of double and triple stars have demonstrated its capabilities in providing close to diffraction limited images (0.06 arcsec in V). PISCO has been fully tested and is now ready to be used by the whole astronomical community.

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