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Direct Imaging of Multiple Planets Orbiting the Star HR 8799
- C. Marois, B. Macintosh, R. Doyon
- Physics, GeologyScience
- 16 November 2008
TLDR
Angular Differential Imaging: a Powerful High-Contrast Imaging Technique
- C. Marois, D. Lafrenière, R. Doyon, B. Macintosh, D. Nadeau
- Physics, Geology
- 13 December 2005
Angular differential imaging is a high-contrast imaging technique that reduces speckle noise from quasi-static optical aberrations and facilitates the detection of faint nearby companions. A sequence…
Images of a fourth planet orbiting HR 8799
- C. Marois, B. Zuckerman, Q. Konopacky, B. Macintosh, T. Barman
- Physics, GeologyNature
- 22 November 2010
TLDR
Optical Images of an Exosolar Planet 25 Light-Years from Earth
TLDR
The Gemini Deep Planet Survey
- D. Lafrenière, R. Doyon, R. Racine
- Physics, Geology
- 29 May 2007
We present the results of the Gemini Deep Planet Survey, a near-infrared adaptive optics search for giant planets and brown dwarfs around 85 nearby young stars. The observations were obtained with…
A New Algorithm for Point-Spread Function Subtraction in High-Contrast Imaging: A Demonstration with Angular Differential Imaging*
- D. Lafrenière, C. Marois, R. Doyon, D. Nadeau, É. Artigau
- Physics, Geology
- 26 February 2007
Direct imaging of exoplanets is limited by bright quasi-static speckles in the point-spread function (PSF) of the central star. This limitation can be reduced by subtraction of reference PSF images.…
Clouds and Chemistry in the Atmosphere of Extrasolar Planet HR8799b
- T. Barman, B. Macintosh, Q. Konopacky, C. Marois
- Physics, Geology
- 20 March 2011
Using the integral field spectrograph OSIRIS, on the Keck II telescope, broad near-infrared H- and K-band spectra of the young exoplanet HR8799b have been obtained. In addition, six new narrowband…
First light of the Gemini Planet Imager
- B. Macintosh, J. Graham, S. Wolff
- Physics, GeologyProceedings of the National Academy of Sciences
- 12 May 2014
TLDR
The VAST Survey - III. The multiplicity of A-type stars within 75 pc
- R. D. Rosa, J. Patience, O. Lai
- Physics
- 27 November 2013
With a combination of adaptive optics imaging and a multi-epoch common proper motion search, we have conducted a large volume-limited (D 6 75 pc) multiplicity survey of A- type stars, sensitive to…
THE YOUNG PLANET-MASS OBJECT 2M1207b: A COOL, CLOUDY, AND METHANE-POOR ATMOSPHERE
- T. Barman, B. Macintosh, Q. Konopacky, C. Marois
- Physics, Geology
- 6 June 2011
The properties of 2M1207b, a young (~8?Myr) planet-mass companion, have lacked a satisfactory explanation for some time. The combination of low luminosity, red near-IR colors, and L-type near-IR…
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