Antichi, Jacopo, Dohlen, Kjetil, Gratton, Raffaele G., Mesa, Dino, Claudi, Riccardo U., Giro, Enrico, ...
Integral field spectroscopy (IFS) represents a powerful technique for the detection and characterization of extrasolar planets through high contrast imaging, since it allows to obtain simultaneously...
Guerri, Géraldine, Robbe-Dubois, Sylvie, Daban, Jean-Baptiste, Abe, Lyu, Douet, Richard, Bendjoya, Philippe, ...
We present some of the High Dynamic Range Imaging activities developed around the coronagraphic test-bench of the Laboratoire A. H. Fizeau (Nice). They concern research and development of an Apodized...
Frame Combination Techniques for Ultra High-Contrast Imaging (2008)
Carson, Joseph C., Feldt, Markus, Desidera, Silvano, Langlois, Maud, Joos, Franco, Mouillet, David, ...
We summarize here an experimental frame combination pipeline we developed for ultra high-contrast imaging with systems like the upcoming VLT SPHERE instrument. The pipeline combines strategies from...
Guerri, Géraldine, Robbe-Dubois, Sylvie, Daban, Jean-Baptiste, Abe, Lyu, Douet, Richard, Bendjoya, Philippe, ...
We present some of the High Dynamic Range Imaging activities developed around the coronagraphic test-bench of the Laboratoire A. H. Fizeau (Nice). They concern research and development of an Apodized...
Guerri, Géraldine, Robbe-Dubois, Sylvie, Daban, Jean-Baptiste, Abe, Lyu, Douet, Richard, Bendjoya, Philippe, ...
We present some of the High Dynamic Range Imaging activities developed around the coronagraphic test-bench of the Laboratoire A. H. Fizeau (Nice). They concern research and development of an Apodized...
The SPHERE exoplanet imager: a new management paradigm? (2008)
Wildi, Francois, Beuzit, Jean-Luc, Feldt, Markus, Mouillet, David, Dohlen, Kjetil, Puget, Pascal
The SPHERE is an exo-solar planet imager, which goal is to detect giant exo-solar planets in the vicinity of bright stars and to characterize them through spectroscopic and polarimetric observations....
SPHERE ZIMPOL: overview and performance simulation (2008)
Thalmann, Christian, Schmid, Hans M., Boccaletti, Anthony, Mouillet, David, Dohlen, Kjetil, Roelfsema, Ronald, ...
The ESO planet finder instrument SPHERE will search for the polarimetric signature of the reflected light from extrasolar planets, using a VLT telescope, an extreme AO system (SAXO), a stellar...
SPHERE data reduction and handling system: overview, project status, and development (2008)
Pavlov, Alexey, Möller-Nilsson, Ole, Feldt, Markus, Henning, Thomas, Beuzit, Jean-Luc, Mouillet, David
The SPHERE project is a ESO second generation instrument which aims to detect giant extra-solar planets in the vicinity of bright stars and to characterise the objects found through spectroscopic and...
EPICS: the exoplanet imager for the E-ELT (2008)
Kasper, Markus E., Beuzit, Jean-Luc, Verinaud, Christophe, Yaitskova, Natalia, Baudoz, Pierre, Boccaletti, Anthony, ...
Presently, dedicated instrument developments at large telescopes (SPHERE for the VLT, GPI for Gemini) are about to discover and explore self-luminous giant planets by direct imaging and spectroscopy....
SPHERE baseline software for reducing calibration data (2008)
Feldt, Markus, Möller-Nilsson, Ole, Pavlov, Alexey I., Beuzit, Jean-Luc, Mouillet, David, Gratton, Raffaele, ...
The Spectro-Polarimetric High-contrast Exoplanet Research (SPHERE) instrument for the VLT is designed for discovering and studying new extra-solar giant planets orbiting nearby stars by direct...
Frame combination techniques for ultra-high-contrast imaging (2008)
Carson, Joseph C., Feldt, Markus, Desidera, Silvano, Langlois, Maud, Joos, Franco, Mouillet, David, ...
We summarize here an experimental frame combination pipeline we developed for ultra high-contrast imaging with systems like the upcoming VLT SPHERE instrument. The pipeline combines strategies from...
SPHERE: a planet finder instrument for the VLT (2008)
Beuzit, Jean-Luc, Feldt, Markus, Dohlen, Kjetil, Mouillet, David, Puget, Pascal, Wildi, Francois, ...
Direct detection and spectral characterization of extra-solar planets is one of the most exciting but also one of the most challenging areas in modern astronomy. The challenge consists in the very...
The paper presents the recent developments of PUEO, the Adaptive Optics Bonnette (AOB) -- currently one of the most pupular among CFHT instruments, with emphasis on the new infrared camera KIR and...
Dominique Naef Michel, Michel Mayor, Jean-luc Beuzit, Didier Queloz, Jean-pierre Sivan
. We confirm the orbital solutions for the planetary companions orbiting the solar-type stars 47 UMa and 70 Vir using radial velocity data obtained with the ELODIE echelle spectrograph. Using our...
High precision astrometry and photometry on binary stars acquired with PUEO (2007)
Jean-Pierre Eran, Jean-luc Beuzit, Diana Chaytor
Observations of multiple star systems have tremendously benefitted from the high spatial resolution achieved by adaptive optics. Still, even for binary stars, extracting the precise position...
Coronography with adaptive optics: the ADONIS coronograph (2007)
Jean-luc Beuzit, David Mouillet, Anne-marie Lagrange, David Le Mignant
The combination of adaptive optics and coronographic techniques providing at the same time high angular resolution and high dynamic range is a powerful tool to study the close environment of bright...
Operational and astronomer support issues in real life AO systems (2007)
Both the ADONIS (at ESO) and PUEO (at CFHT) adaptive optics systems have been in general use for several years, totalizing over 400 nights of scheduled observing time. They are routinely producing...
Direct Detection of Exoplanets (2006)
Beuzit, Jean-Luc, Mouillet, David, Oppenheimer, Ben R., Monnier, John D.
Direct detection of exoplanets from the ground is now within reach of existing astronomical instruments. Indeed, a few planet candidates have already been imaged and analyzed and the capability to...
SPHERE: A planet finder instrument for the VLT (2006)
Dohlen, Kjetil, Beuzit, Jean-Luc, Feldt, Markus, Mouillet, David, Puget, Pascal, Antichi, Jacopo, ...
The Planet Finder instrument for ESO's VLT telescope, scheduled for first light in 2010, aims to detect giant extra-solar planets in the vicinity of bright stars and to characterise the objects found...
Berton, Alessandro, Gratton, Raffaele, Antichi, Jacopo, Dohlen, Kjetil, Claudi, Riccardo, Feldt, Markus, ...
Observations of extrasolar planets using Integral Field Spectroscopy (IFS), if coupled with an extreme Adaptive Optics system and analyzed with a Simultaneous Differential Imaging technique (SDI),...
Direct Detection of Exoplanets (2006)
Beuzit, Jean-Luc, Mouillet, David, Oppenheimer, Ben R., Monnier, John D.
Direct detection of exoplanets from the ground is now within reach of existing astronomical instruments. Indeed, a few planet candidates have already been imaged and analyzed and the capability to...
Patrick J. Lowrance, E. E. Becklin, Glenn Schneider, J. Davy Kirkpatrick, Alycia J. Weinberger, B. Zuckerman, ...
We have used the F160W filter (1.4–1.8 m) and the coronagraph on the Near-Infrared Camera and Multi-Object Spectrometer (NICMOS) on the Hubble Space Telescope to survey 45 single stars with a...
The Binarity of Herbig Ae/Be Stars Observed with Adaptive Optics (2001)
Patrice Corporon, Jerome Bouvier, Jean-luc Beuzit
We have done a large systematic search for HAeBe binaries using CFH (and ESO) Adaptive Optics (AO) systems. Among the 68 HAeBe stars observed, 30 binaries (18 discovered) have been detected. Based on...
Brandner, Wolfgang, Bouvier, Jerome, Grebel, Eva K., Tessier, Eric, De Winter, Dolf, Beuzit, Jean-Luc
Using adaptive optics at the ESO 3.6m telescope, we obtained diffraction limited JHK-images of the region around the Herbig AeBe star NX Pup. We clearly resolved the close companion (sep. 0.128") to...