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5 papers · 2 filters
The SWAP EUV Imaging Telescope. Part II: In-flight Performance and Calibration
Jean-Philippe Halain, David Berghmans, Dan Seaton +6
The Sun Watcher with Active Pixel System detector and Image Processing (SWAP) telescope was launched on 2 November 2009 onboard the ESA PROBA2 technological mission and has acquire…
Image quality and high contrast improvements on VLT/NACO
Julien H. V. Girard, Jared O'Neal, Dimitri Mawet +6
NACO is the famous and versatile diffraction limited NIR imager and spectrograph with which ESO celebrated 10 years of Adaptive Optics at the VLT. Since two years a substantial eff…
The SWAP EUV Imaging Telescope Part I: Instrument Overview and Pre-Flight Testing
D. B. Seaton, D. Berghmans, B. Nicula +17
The Sun Watcher with Active Pixels and Image Processing (SWAP) is an EUV solar telescope on board ESA's Project for Onboard Autonomy 2 (PROBA2) mission launched on 2 November 2009.…
On the sensitivity of closure phases to faint companions in optical long baseline interferometry
Jean-Baptiste Le Bouquin, Olivier Absil
We explore the sensitivity and completeness of long baseline interferometric observations for detecting unknown, faint companions around bright unresolved stars. We derive a linear…
Tests with a Carlina-type diluted telescope; Primary coherencing
H. Le Coroller, J. Dejonghe, X. Regal +10
Studies are under way to propose a new generation of post-VLTI interferometers. The Carlina concept studied at the Haute- Provence Observatory is one of the proposed solutions. It…