activity
20162026
most citedKeck/NIRC2 '-Band Imaging of Jovian-Mass Accreting Protoplanets around PDS 70

84 citations · 307 across the 14 of their papers we have counts for

collaborators

16 papers

astro-ph.IM2026

Pre-shipment optical characterization of the SCALES instrument

Isabel J. Kain, Reni Kupke, Daren Dillon +31

The Slicer Combined with an Array of Lenslets for Exoplanet Spectroscopy (SCALES) instrument is a 1-5 micron imager and 2-5 micron integral field spectrograph, currently being comm…

astro-ph.IM2026

NIRC2-Pol: First Light of Near-Infrared Polarimetry on Keck II

Briley L. Lewis, Manxuan Zhang, Maxwell A. Millar-Blanchaer +21

NIRC2, the Near Infrared Camera 2 on the Keck II telescope, was recently upgraded with a new suite of polarimetric observing modes. The new polarimetry modes (referred to as NIRC2-…

astro-ph.IM2026

Enabling Quantitative Polarimetry for Keck/NIRC2: Preliminary Mueller Matrix Model Calibration

Manxuan Zhang, Briley L. Lewis, Maxwell A. Millar-Blanchaer +27

The Keck/NIRC2 infrared imager was upgraded in 2025 with dual-beam polarimetric observing modes spanning approximately 1.1--4.1 microns (JHKL' bands). We present a preliminary JHK…

astro-ph.IM2026

On-sky capabilities and performance of the Keck All Sky Precision Adaptive Optics system

Avinash Surendran, Maxwell Service, Jacques R. Delorme +21

The Keck All Sky Precision Adaptive optics (KAPA) project upgrades the Keck I adaptive optics system to enable laser tomography using a four laser guide star (LGS) asterism. KAPA i…

astro-ph.IM2025★ 9 cited

Technical description and performance of the phase II version of the Keck Planet Imager and Characterizer

Nemanja Jovanovic, Daniel Echeverri, Jacques-Robert Delorme +46

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…

astro-ph.SR2024

Asteroseismology of the Nearby K-Dwarf Draconis using the Keck Planet Finder and TESS

Marc Hon, Daniel Huber, Yaguang Li +76

Asteroseismology of dwarf stars cooler than the Sun is very challenging due to the low amplitudes and rapid timescales of oscillations. Here, we present the asteroseismic detection…

astro-ph.EP2024

An Earth-sized Planet on the Verge of Tidal Disruption

Fei Dai, Andrew W. Howard, Samuel Halverson +95

TOI-6255~b (GJ 4256) is an Earth-sized planet (1.079 ) with an orbital period of only 5.7 hours. With the newly commissioned Keck Planet Finder (KPF) and CARMEN…

astro-ph.IM2022

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…

astro-ph.IM2021

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…

astro-ph.EP2021★ 79 cited

Detection and Bulk Properties of the HR 8799 Planets with High Resolution Spectroscopy

Jason J. Wang, Jean-Baptiste Ruffio, Evan Morris +49

Using the Keck Planet Imager and Characterizer (KPIC), we obtained high-resolution (R35,000) -band spectra of the four planets orbiting HR 8799. We clearly detected \water…

astro-ph.IM2020★ 4 cited

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…

astro-ph.EP2020★ 84 cited

Keck/NIRC2 '-Band Imaging of Jovian-Mass Accreting Protoplanets around PDS 70

Jason J. Wang, Sivan Ginzburg, Bin Ren +42

We present '-band imaging of the PDS 70 planetary system with Keck/NIRC2 using the new infrared pyramid wavefront sensor. We detected both PDS 70 b and c in our images, as well…

astro-ph.IM2019

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…

astro-ph.IM2019★ 14 cited

The Keck Planet Imager and Characterizer: Demonstrating advanced exoplanet characterization techniques for future extremely large telescopes

N. Jovanovic, J. R. Delorme, C. Z. Bond +25

The Keck Planet Imager and Characterizer (KPIC) is an upgrade to the Keck II adaptive optics system enabling high contrast imaging and high-resolution spectroscopic characterizatio…

astro-ph.SR2019★ 45 cited

WISE J072003.20-084651.2B Is A Massive T Dwarf

Trent J. Dupuy, Michael C. Liu, William M. J. Best +21

We present individual dynamical masses for the nearby M9.5+T5.5 binary WISE J072003.20084651.2AB, a.k.a. Scholz's star. Combining high-precision CFHT/WIRCam photocenter astromet…

astro-ph.SR2016★ 72 cited

The W. M. Keck Observatory infrared vortex coronagraph and a first image of HIP79124 B

Eugene Serabyn, Elsa Huby, Keith Matthews +22

An optical vortex coronagraph has been implemented within the NIRC2 camera on the Keck II telescope and used to carry out on-sky tests and observations. The development of this new…