Aspects of error budgeting for coronagraphic differential imaging: effects of dust and cosmetic errors

Details Aspects of error budgeting for coronagraphic differential imaging: effects of dust and cosmetic errors Aspects of error budgeting for coronagraphic differential imaging: effects of dust and cosmetic errors

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7017e..55d&link_type=abstract

Modeling, Systems Engineering, and Project Management for Astronomy III. Edited by Angeli, George Z.; Cullum, Martin J. Proc

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The SPHERE (Spectro-Polarimetric High-contrast Exoplanet Research) planet finder instrument for ESO's VLT telescope, scheduled for first light in 2011, aims to detect giant extra-solar planets in the vicinity of bright stars by the aid of an extreme-AO turbulence compensation system and coronagraphic diffraction suppression. Objects found will be characterized through spectroscopic and polarimetric observations. I consider here the effects of micro-obstructions of the beam due to dust and cosmetic defects on the SPHERE image quality.

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