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Small-angle, high-contrast exoplanet imaging with the L-band AGPM vector vortex coronagraph now offered at the VLT
Mawet, Dimitri; Absil, Olivier; Milli, Julien et al.
2013In Shaklan, Stuart (Ed.) Techniques and Instrumentation for Detection of Exoplanets VI
 

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Abstract :
[en] In November 2012, we installed an L-band annular groove phase mask (AGPM) vector vortex coronagraph (VVC) inside NACO, the adaptive optics camera of ESO's Very Large Telescope. The mask, made out of diamond subwavelength gratings has been commissioned, science qualified, and is now offered to the community. Here we report ground-breaking on-sky performance levels in terms of contrast, inner working angle, and discovery space. This new practical demonstration of the VVC, coming a few years after Palomar's and recent record-breaking lab experiments in the visible (E. Serabyn et al. 2013, these proceedings), shows once again that this new-generation coronagraph has reached a high level of maturity.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Mawet, Dimitri;  European Southern Observatory (Chile)
Absil, Olivier  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Milli, Julien;  European Southern Observatory (Chile)
Delacroix, Christian  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Girard, Julien H.;  European Southern Observatory (Chile)
O'Neal, Jared;  European Southern Observatory (Chile)
Baudoz, Pierre;  LESIA - Observatoire de Paris (France)
Boccaletti, Anthony;  Univ. de Liège (Belgium)
Bourget, Pierre;  European Southern Observatory (Chile)
Forsberg, Pontus;  Uppsala Univ. (Sweden)
Gonté, Frederic;  European Southern Observatory (Chile)
Habraken, Serge ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Karlsson, Mikael;  Uppsala Univ. (Sweden)
Kasper, Markus;  European Southern Observatory Headquarters (Germany)
Lagrange, Anne-Marie;  IPAG, CNRS, Univ. Joseph Fourier (France)
Lizon, Jean-Louis;  European Southern Observatory (Chile)
Muzic, Koraljka;  European Southern Observatory (Chile)
Peña, Eduardo;  European Southern Observatory (Chile)
Olivier, Richard;  GDTech s.a., LIEGE Science Park (Belgium)
Slusarenko, Nicolas;  European Southern Observatory (Chile)
Tacconi-Garman, Lowell E.;  European Southern Observatory Headquarters (Germany)
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
More authors (12 more) Less
Language :
English
Title :
Small-angle, high-contrast exoplanet imaging with the L-band AGPM vector vortex coronagraph now offered at the VLT
Publication date :
26 September 2013
Event name :
Techniques and Instrumentation for Detection of Exoplanets VI
Event organizer :
SPIE
Event place :
San Diego, United States - California
Event date :
26 - 29 August 2013
Audience :
International
Main work title :
Techniques and Instrumentation for Detection of Exoplanets VI
Editor :
Shaklan, Stuart
Publisher :
SPIE, Bellingham, United States - Washington
ISBN/EAN :
9780819497147
Collection name :
Proceedings of the SPIE, Volume 8864
Pages :
88640I
European Projects :
FP7 - 337569 - VORTEX - Taking extrasolar planet imaging to a new level with vector vortex coronagraphy
Name of the research project :
VORTEX
Funders :
CE - Commission Européenne [BE]
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