Mathematics – Logic
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008spie.7012e.148s&link_type=abstract
Ground-based and Airborne Telescopes II. Edited by Stepp, Larry M.; Gilmozzi, Roberto. Proceedings of the SPIE, Volume 7012, p
Mathematics
Logic
2
Scientific paper
Dome C is considered a site particularly suited for wide-field imaging thanks to its shallow surface turbulent layer and its weak turbulence in the free atmosphere. What is the quantitative gain one can hope to achieve at Dome C with respect to a mid-latitude site? With the point spread function model defined analytically in the spatial frequency domain we are better able to connect the morphological and statistical behaviour of the turbulence profile to the trade-off between the adaptive telescope's field of view and a figure of merit for survey rate. A familiar image quality figure of merit is the radius of 50% encircled energy, and for J-band images it quickly identifies the requirement that will make a Dome C telescope, 8 meters above the ice, competitive with a mid-latitude one. From the radius of 50% encircled energy we derive the wide-field survey rate equation to estimate the impact of uncertainty in the vertical distribution of ground-layer turbulence on the trade-off between field of view (in the domain 10-20 arcminutes) and their survey rate.
Hagelin Susanna
Lascaux Franck
Masciadri Elena
Stoesz Jeff
No associations
LandOfFree
Wide-field performance gradient at a mid-latitude site and at Dome C does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Wide-field performance gradient at a mid-latitude site and at Dome C, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wide-field performance gradient at a mid-latitude site and at Dome C will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1811052