714 citations · 5k across the 91 of their papers we have counts for
28 papers · 1 filter
On-sky speckle nulling through a single-mode fiber with the Keck Planet Imager and Characterizer
Yinzi Xin, Jerry W. Xuan, Dimitri Mawet +14
The Keck Planet Imager and Characterizer (KPIC) is an instrument at the Keck II telescope that enables high-resolution spectroscopy of directly imaged exoplanets and substellar com…
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems: Best Practices for Data Collection in Cycle 2 and Beyond
Sasha Hinkley, Beth Biller, Andrew Skemer +35
We present a set of recommended best practices for JWST data collection for members of the community focussed on the direct imaging and spectroscopy of exoplanetary systems. These…
JWST/NIRCam Coronagraphy: Commissioning and First On-Sky Results
Julien H. Girard, Jarron Leisenring, Jens Kammerer +53
In a cold and stable space environment, the James Webb Space Telescope (JWST or "Webb") reaches unprecedented sensitivities at wavelengths beyond 2 microns, serving most fields of…
alpha-Deep Probabilistic Inference (alpha-DPI): efficient uncertainty quantification from exoplanet astrometry to black hole feature extraction
He Sun, Katherine L. Bouman, Paul Tiede +3
Inference is crucial in modern astronomical research, where hidden astrophysical features and patterns are often estimated from indirect and noisy measurements. Inferring the poste…
The Keck Planet Imager and Characterizer: A dedicated single-mode fiber injection unit for high resolution exoplanet spectroscopy
Jacques-Robert Delorme, Nemanja Jovanovic, Daniel Echeverri +28
The Keck Planet Imager and Characterizer (KPIC) is a purpose-built instrument to demonstrate new technological and instrumental concepts initially developed for the exoplanet direc…
The Keck Planet Imager and Characterizer: Phase I fiber injection unit early performance and commissioning
Evan C. Morris, Jason J. Wang, Jean-Baptiste Ruffio +5
The Keck Planet Imager and Characterizer (KPIC) is an upgrade to the Keck II adaptive optics system and instrument suite with the goal of improving direct imaging and high-resoluti…
The Planet as Exoplanet Analog Spectrograph (PEAS): Design and First-Light
Emily C. Martin, Andrew J. Skemer, Matthew V. Radovan +13
Exoplanets are abundant in our galaxy and yet characterizing them remains a technical challenge. Solar System planets provide an opportunity to test the practical limitations of ex…
DiskFM: A Forward Modeling Tool for Disk Analysis with Coronagraphic Instruments
Johan Mazoyer, Pauline Arriaga, Justin Hom +6
Because of bright starlight leakage in coronagraphic raw images, faint astrophysical objects such as exoplanets can only be detected using powerful point spread function (PSF) subt…
Enhanced high-dispersion coronagraphy with KPIC phase II: design, assembly and status of sub-modules
N. Jovanovic, B. Calvin, M. Porter +17
The Keck Planet Imager and Characterizer (KPIC) is a purpose-built instrument for high-dispersion coronagraphy in the K and L bands on Keck. This instrument will provide the first…
Detecting and characterizing close-in exoplanets with Vortex Fiber Nulling
Daniel Echeverri, Garreth Ruane, Benjamin Calvin +8
Vortex Fiber Nulling (VFN) is an interferometric method for suppressing starlight to detect and spectroscopically characterize exoplanets. It relies on a vortex phase mask and sing…
GPI 2.0: Upgrades to the IFS including new spectral modes
Mary Anne Limbach, Jeffrey Chilcote, Quinn Konopacky +9
The Gemini Planet Imager (GPI) is a high-contrast imaging instrument designed to directly image and characterize exoplanets. GPI is currently undergoing several upgrades to improve…
HD 165054: an astrometric calibration field for high-contrast imagers in Baade's Window
Meiji M. Nguyen, Robert J. De Rosa, Jason J. Wang +51
We present a study of the HD 165054 astrometric calibration field that has been periodically observed with the Gemini Planet Imager. HD 165054 is a bright star within Baade's Windo…
Revised Astrometric Calibration of the Gemini Planet Imager
Robert J. De Rosa, Meiji M. Nguyen, Jeffrey Chilcote +49
We present a revision to the astrometric calibration of the Gemini Planet Imager (GPI), an instrument designed to achieve the high contrast at small angular separations necessary t…
Asymmetries in adaptive optics point spread functions
Alexander Madurowicz, Bruce Macintosh, Vanessa P. Bailey +45
An explanation for the origin of asymmetry along the preferential axis of the PSF of an AO system is developed. When phase errors from high altitude turbulence scintillate due to F…
Status of the Keck Planet Imager and Characterizer Phase II Development
Jacklyn Pezzato, Nemanja Jovanovic, Dimitri Mawet +15
The Keck Planet Imager and Characterizer comprises of a series of upgrades to the Keck II adaptive optics system and instrument suite to improve the direct imaging and high resolut…
The vortex fiber nulling mode of the Keck Planet Imager and Characterizer (KPIC)
Daniel Echeverri, Garreth Ruane, Nemanja Jovanovic +8
The Keck Planet Imager and Characterizer (KPIC) is an upgrade to the Keck II adaptive optics system that includes an active fiber injection unit (FIU) for efficiently routing light…
Vortex fiber nulling for exoplanet observations: conceptual design, theoretical performance, and initial scientific yield predictions
Garreth Ruane, Daniel Echeverri, Nemanja Jovanovic +5
Vortex fiber nulling (VFN) is a method that may enable the detection and characterization of exoplanets at small angular separations (0.5-2 ) with ground- and space-based tele…
Cold Debris Disks as Strategic Targets for the 2020s
John Debes, Elodie Choquet, Virginie C. Faramaz +19
Cold debris disks (T200 K) are analogues to the dust in the Solar System's Kuiper belt--dust generated from the evaporation and collision of minor bodies perturbed by planets, o…
Lessons for WFIRST CGI from ground-based high-contrast systems
Vanessa P. Bailey, Michael Bottom, Eric Cady +26
The Coronagraph Instrument (CGI) for NASA's Wide Field Infrared Survey Telescope (WFIRST) will constitute a dramatic step forward for high-contrast imaging, integral field spectros…
Mining the GPIES database
Dmitry Savransky, Jacob Shapiro, Vanessa Bailey +6
The Gemini Planet Imager Exoplanet Survey (GPIES) is a direct imaging campaign designed to search for young, self-luminous, giant exoplanets. To date, GPIES has observed nearly 500…
The Gemini Planet Imager: Looking back over five years and forward to the future
Bruce Macintosh, Jeffrey K. Chilcote, Vanessa P. Bailey +10
The Gemini Planet Imager (GPI), a coronagraphic adaptive optics instrument designed for spectroscopy of extrasolar planets, had first light in 2013[13]. After five years, GPI has o…
Automated data processing architecture for the Gemini Planet Imager Exoplanet Survey
Jason Wang, Marshall Perrin, Dmitry Savransky +49
The Gemini Planet Imager Exoplanet Survey (GPIES) is a multi-year direct imaging survey of 600 stars to discover and characterize young Jovian exoplanets and their environments. We…
Gemini Planet Imager Observational Calibrations XIV: Polarimetric Contrasts and New Data Reduction Techniques
Maxwell A. Millar-Blanchaer, Marshall D. Perrin, Li-Wei Hung +7
The Gemini Planet Imager (GPI) has been designed for the direct detection and characterization of exoplanets and circumstellar disks. GPI is equipped with a dual channel polarimetr…
Status and performance of the Gemini Planet Imager adaptive optics system
Vanessa P. Bailey, Lisa A. Poyneer, Bruce A. Macintosh +14
The Gemini Planet Imager is a high-contrast near-infrared instrument specifically designed to image exoplanets and circumstellar disks over a narrow field of view. We use science d…