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The Astrophysical Journal, ISSN 0004-637X, 11/2011, Volume 741, Issue 1, p. 55
HR 8799 is currently the only multiple-planet system that has been detected with direct imaging, with four giant planets of masses 7-10 M-Jup orbiting at large... 
stars: individual (HR 8799) | techniques: image processing | planetary systems | SYSTEM | GIANT PLANETS | MU-M | COMPANION | DISCOVERY | DYNAMIC-RANGE | STAR | ASTRONOMY & ASTROPHYSICS | MASS | 4TH PLANET | DEBRIS DISK
Journal Article
ASTRONOMICAL JOURNAL, ISSN 0004-6256, 07/2019, Volume 158, Issue 1, p. 13
Journal Article
Astronomical Journal, ISSN 0004-6256, 11/2018, Volume 156, Issue 5, p. 192
Journal Article
Astrophysical Journal, ISSN 0004-637X, 06/2017, Volume 842, Issue 1
Journal Article
Astronomical Journal, ISSN 0004-6256, 06/2018, Volume 155, Issue 6, p. 226
We explore KLIP forward modeling spectral extraction on Gemini Planet Imager coronagraphic data of HR 8799, using PyKLIP, and show algorithm stability with... 
stars: individual (HR 8799) | planets and satellites: gaseous planets | Gravitation | Planets | Algorithms | Subtraction | Parameters | Planet detection | Computer simulation | Extrasolar planets | Mathematical models | Spectra | Modelling | Spectrophotometry
Journal Article
The Astronomical Journal, ISSN 1538-3881, 12/2019, Volume 159, Issue 1, p. 1
We present a revision to the visual orbit of the young, directly imaged exoplanet 51 Eridani b using four years of observations with the Gemini Planet Imager.... 
Analytical methods | Circular orbits | Systematic errors | Planet detection | Eccentric orbits | Extrasolar planets | Acceleration | Detection limits | Catalogs | Inclination | Astrometry
Journal Article
ASTRONOMICAL JOURNAL, ISSN 0004-6256, 12/2019, Volume 158, Issue 6, p. 226
The ?500 Myr A2IV star HR 1645 has one of the most significant low-amplitude accelerations of nearby early-type stars measured from a comparison of the... 
Coronographic imaging | MOTION | BROWN DWARFS | ASTRONOMY & ASTROPHYSICS | Close binary stars | EVOLUTIONARY MODELS | Radial velocity | Visual binary stars | SCALE | DISCOVERY | Astrometry | Acceleration measurement | Amplitudes | Planet detection | Extrasolar planets | Catalogs | Imaging
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 09/2019, Volume 882, Issue 1, p. 64
Journal Article
by Grogin, Norman A and Kocevski, Dale D and Faber, S. M and Ferguson, Henry C and Koekemoer, Anton M and Riess, Adam G and Acquaviva, Viviana and Alexander, David M and Almaini, Omar and Ashby, Matthew L. N and Barden, Marco and Bell, Eric F and Bournaud, Frederic and Brown, Thomas M and Caputi, Karina I and Casertano, Stefano and Cassata, Paolo and Castellano, Marco and Challis, Peter and Chary, Ranga-Ram and Cheung, Edmond and Cirasuolo, Michele and Conselice, Christopher J and Cooray, Asantha Roshan and Croton, Darren J and Daddi, Emanuele and Dahlen, Tomas and Dave, Romeel and de Mello, Duilia F and Dekel, Avishai and Dickinson, Mark and Dolch, Timothy and Donley, Jennifer L and Dunlop, James S and Dutton, Aaron A and Elbaz, David and Fazio, Giovanni G and Filippenko, Alexei V and Finkelstein, Steven L and Fontana, Aiano and Gardner, Jonathan P and Garnavich, Peter M and Gawiser, Eric and Giavalisco, Mauro and Grazian, Anea and Guo, Yicheng and Hathi, Nimish P and Haeussler, Boris and Hopkins, Philip F and Huang, Jia-Sheng and Huang, Kuang-Han and Jha, Saurabh W and Kartaltepe, Jeyhan S and Kirshner, Robert P and Koo, David C and Lai, Kamson and Lee, Kyoung-Soo and Li, Weidong and Lotz, Jennifer M and Lucas, Ray A and Madau, Piero and McCarthy, Patrick J and McGrath, Elizabeth J and McIntosh, Daniel H and McLure, Ross J and Mobasher, Bahram and Moustakas, Leonidas A and Mozena, Mark and Nana, Kirpal and Newman, Jeffrey A and Niemi, Sami-Matias and Noeske, Kai G and Papovich, Casey J and Pentericci, Laura and Pope, Alexana and Primack, Joel R and Rajan, Abhijith and Ravinanath, Swara and Reddy, Naveen A and Renzini, Alvio and Rix, Hans-Walter and Robaina, Aday R and Rodney, Steven A and Rosario, David J and Rosati, Piero and Salimbeni, Sara and Scarlata, Claudia and Siana, Brian and Simard, Luc and Smidt, Joseph and Somerville, Rachel S and Spinrad, Hyron and Straughn, Amber N and Strolger, Louis-Gregory and Telford, Olivia and Teplitz, Harry I and Trump, Jonathan R and van der Wel, Arjen and Villforth, Carolin and Wechsler, Risa H and ...
Astrophysical journal supplement series, ISSN 0067-0049, 12/2011, Volume 197, Issue 2, p. 35
Journal Article
The Astronomical Journal, ISSN 1538-3881, 06/2019, Volume 157, Issue 6, p. 249
The Gemini Planet Imager (GPI) contains a 10-hole non-redundant mask (NRM), enabling interferometric resolution in complement to its coronagraphic... 
Spectroscopy | Adaptive systems | Error analysis | Binary systems | Protoplanetary disk | Data reduction | Astrometry | Wave fronts | Sensitivity | Planets | Protoplanets | Planet detection | Planet formation | Correlation analysis | Spectrum analysis | Visibility | Polarimetry
Journal Article