A Coronagraph with a Variable-Diameter Occulting Disk

Details A Coronagraph with a Variable-Diameter Occulting Disk A Coronagraph with a Variable-Diameter Occulting Disk

Apr 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasp..113..436b&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 113, Issue 782, pp. 436-438.

Astronomy and Astrophysics

Astronomy

4

Instrumentation: Miscellaneous, Planets And Satellites: Individual: Neptune, Planets And Satellites: Individual (Proteus)

Scientific paper

In order to optimize the occulting process of a classical Lyot coronagraph for imaging faint satellites next to Jovian planets, we designed a coronagraph with a variable-diameter occulting disk (Hg mask). We present the description of the Hg-mask coronagraph developed at the Observatório Nacional, Rio de Janeiro, and the imaging test on Neptune's satellite Proteus.

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