A Mission Study of a Dilute Aperture Visible Nulling Coronagraph Imager (DAViNCI) for the Detection and Spectroscopy of Exo-planets

Details A Mission Study of a Dilute Aperture Visible Nulling Coronagraph Imager (DAViNCI) for the Detection and Spectroscopy of Exo-planets A Mission Study of a Dilute Aperture Visible Nulling Coronagraph Imager (DAViNCI) for the Detection and Spectroscopy of Exo-planets

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21349302l&link_type=abstract

American Astronomical Society, AAS Meeting #213, #493.02; Bulletin of the American Astronomical Society, Vol. 41, p.505

Astronomy and Astrophysics

Astronomy

Scientific paper

DAViNCI is a 4 aperture telescope imaging system separated by a variable baseline whose light is combined interfermometrically into a nulling coronagraph instrument coupled to an imaging camera and spectrometer. The preliminary mission cost is estimated at $1B. It uses smaller aperture telescopes to synthesize a large aperture that provides a significant cost savings over that of a monolithic primary mirror. DAViNCI is capable of surveying and characterizing at least 100 nearby stars at an inner working angle of 35mas at its maximum baseline. We will describe the configuration of DAViNCI, the architecture of its instruments, and the results of mission and instrument studies in terms of capability and cost.
This work was performed at the Jet Propulsion Laboratory, California Institute of Technology, under contract to the National Aeronautics and Space Administration.
Keywords: Exo- Planet Detection, Direct Planet Detection, Nulling Interferometer, Coronagraph, Space Instrumentation

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