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High Contrast Imaging of the Close Environment of HD 142527 -
J. Rameau, G. Chauvin, A. -M. Lagrange +4
Context. It has long been suggested that circumstellar disks surrounding young stars may be the signposts of planets, and still more since the recent discoveries of embedded subste…
Impact of angular differential imaging on circumstellar disk images
J. Milli, D. Mouillet, A. M. Lagrange +4
Direct imaging of circumstellar disks requires high-contrast and high-resolution techniques. The angular differential imaging (ADI) technique is one of them, initially developed fo…
Review of small-angle coronagraphic techniques in the wake of ground-based second-generation adaptive optics systems
Dimitri Mawet, Laurent Pueyo, Peter Lawson +26
Small-angle coronagraphy is technically and scientifically appealing because it enables the use of smaller telescopes, allows covering wider wavelength ranges, and potentially incr…
An insight in the surroundings of HR4796
A. -M. Lagrange, J. Milli, A. Boccaletti +8
HR4796 is a young, early A-type star harbouring a well structured debris disk, shaped as a ring with sharp inner edges. It forms with the M-type star HR4796B a binary system, with…
Morphology of the very inclined debris disk around HD 32297
Anthony Boccaletti, Jean-Charles Augereau, Anne-Marie Lagrange +6
Direct imaging of circumstellar disks at high angular resolution is mandatory to provide morphological information that bring constraints on their properties, in particular the spa…
beta Pic b position relative to the Debris Disk
A. -M. Lagrange, A. Boccaletti, J. Milli +7
Context. We detected in 2009 a giant, close-by planet orbiting β Pic, a young star surrounded with a disk, extensively studied for more than 20 years. We showed that if located on…