Study of sky coverage for Multi-conjugate adaptative optics

Details Study of sky coverage for Multi-conjugate adaptative optics Study of sky coverage for Multi-conjugate adaptative optics

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sf2a.conf..127b&link_type=abstract

SF2A-2004: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 14-18, 2004. Edited by F. Combes, D. Barret

Astronomy and Astrophysics

Astrophysics

Scientific paper

This presentation is concerned with sky coverage studies for MCAO systems. We propose a modification of the "classical" computing for the sky coverage (only based on star counts) by taking into account the sky area actually observable from a fixed number of stars. The results obtained by this new approach are compared with those of the "classical" method. Two types of systems are studied: the "Layer Oriented" and the "Star Oriented" approaches. The sky coverage is computed from stellar densities provided by the Besancon model of the Milky Way [Robin et al-2003]. The results are presented for different conditions (star number, limiting magnitude, position in the sky, etc.).

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