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Annular Groove Phase Mask Coronagraph
We present a new phase mask coronagraph consisting in an optical vortex induced by a space-variant surface relief subwavelength grating. Phase mask coronagraphy is a recent technique aiming at…
Friends of Hot Jupiters. IV. Stellar companions beyond 50 AU might facilitate giant planet formation, but most are unlikely to cause Kozai-Lidov migration
- H. Ngo, H. Knutson, Ji Wang
- Geology, Physics
- 22 June 2016
Stellar companions can influence the formation and evolution of planetary systems, but there are currently few observational constraints on the properties of planet-hosting binary star systems. We…
Could we identify hot ocean-planets with CoRoT, Kepler and Doppler velocimetry?
- F. Selsis, B. Chazelas, A. Leger
- Geology, Physics
- 22 January 2007
Deep Exploration of ϵ Eridani with Keck Ms-band Vortex Coronagraphy and Radial Velocities: Mass and Orbital Parameters of the Giant Exoplanet
We present the most sensitive direct imaging and radial velocity (RV) exploration of epsilon Eridani to date. epsilon Eridani is an adolescent planetary system, reminiscent of the early solar system.…
Darwin—an experimental astronomy mission to search for extrasolar planets
- C. Cockell, T. Herbst, P. Bordé
- Physics
- 1 March 2009
As a response to ESA call for mission concepts for its Cosmic Vision 2015–2025 plan, we propose a mission called Darwin. Its primary goal is the study of terrestrial extrasolar planets and the search…
Direct imaging of extra-solar planets in star forming regions - Lessons learned from a false positive around IM Lupi
- D. Mawet, O. Absil, K. Stapelfeldt
- Physics, Geology
- 24 July 2012
Context. Most exoplanet imagers consist of ground-based adaptive optics coronagraphic cameras which are currently limited in contrast, sensitivity and astrometric precision, but advantageously…
Morphology of the very inclined debris disk around HD 32297
- A. Boccaletti, J. Augereau, A. Maire
- Physics, Geology
- 27 June 2012
Context. Direct imaging of circumstellar disks at high angular resolution is mandatory to provide morphological information that constrains their properties, in particular the spatial distribution of…
FUNDAMENTAL LIMITATIONS OF HIGH CONTRAST IMAGING SET BY SMALL SAMPLE STATISTICS
In this paper, we review the impact of small sample statistics on detection thresholds and corresponding confidence levels (CLs) in high-contrast imaging at small angles. When looking close to the…
VIP: Vortex Image Processing Package for High-contrast Direct Imaging
- C. Gonzalez, O. Wertz, J. Surdej
- Computer Science
- 17 May 2017
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