109 citations · 889 across the 62 of their papers we have counts for
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Phase II of the Keck Planet Imager and Characterizer: system-level laboratory characterization and preliminary on-sky commissioning
Daniel Echeverri, Nemanja Jovanovic, Jacques-Robert Delorme +35
The Keck Planet Imager and Characterizer (KPIC) is a series of upgrades for the Keck II Adaptive Optics (AO) system and the NIRSPEC spectrograph to enable diffraction-limited, high…
Broadband vortex fiber nulling: high-dispersion exoplanet science at the diffraction limit
Daniel Echeverri, Garreth Ruane, Nemanja Jovanovic +6
As the number of confirmed exoplanets continues to grow, there is an increased push to spectrally characterize them to determine their atmospheric composition, formation paths, rot…
Retrieving C and O Abundance of HR 8799 c by Combining High- and Low-Resolution Data
Ji Wang, Jason J. Wang, Jean-Baptiste Ruffio +29
The formation and evolution pathway for the directly-imaged multi-planetary system HR 8799 remains mysterious. Accurate constraints on the chemical composition of the planetary atm…
A Clear View of a Cloudy Brown Dwarf Companion from High-Resolution Spectroscopy
Jerry W. Xuan, Jason Wang, Jean-Baptiste Ruffio +37
Direct imaging studies have mainly used low-resolution spectroscopy () to study the atmospheres of giant exoplanets and brown dwarf companions, but the presence of clo…
Daytime calibration and testing of the Keck All sky Precision Adaptive Optics Tomography System
Avinash Surendran, Jacques R. Delorme, Carlos M. Correia +12
The development of the Keck All sky Precision Adaptive optics (KAPA) project was initiated in September 2018 to upgrade the Keck I adaptive optics (AO) system to enable laser tomog…
On-sky reconstruction of Keck Primary Mirror Piston Offsets using a Zernike Wavefront Sensor
Maaike A. M. van Kooten, Sam Ragland, Rebecca Jensen-Clem +3
The next generation of large ground- and space-based optical telescopes will have segmented primary mirrors. Co-phasing the segments requires a sensitive wavefront sensor capable o…