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

Astronomy and Astrophysics – Astronomy

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Scientific paper

DAViNCI is a mission concept for the imaging and spectroscopy of exo-planets from nearby stars. It is capable of surveying and characterizing over 100 stars at an inner working angle of 35mas at its maximum baseline. 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. We will describe the science potential and configuration of DAViNCI, its architecture, 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.

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