papers
Publications (3)
astro-ph.EP2018
Characterizing the performance of the NIRC2 vortex coronagraph at W.M. Keck Observatory
W. Jerry Xuan, Dimitri Mawet, Henry Ngo +15
The NIRC2 vortex coronagraph is an instrument on Keck II designed to directly image exoplanets and circumstellar disks at mid-infrared bands (3.4-4.1 m) and (4…
astro-ph.IM2019
Reference star differential imaging of close-in companions and circumstellar disks with the NIRC2 vortex coronagraph at W.M. Keck Observatory
Garreth Ruane, Henry Ngo, Dimitri Mawet +11
Reference star differential imaging (RDI) is a powerful strategy for high contrast imaging. Using example observations taken with the vortex coronagraph mode of Keck/NIRC2 in $L^\p…
astro-ph.EP2024
A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph
Nicole L. Wallack, Jean-Baptiste Ruffio, Garreth Ruane +34
Recent Atacama Large Millimeter/submillimeter Array (ALMA) observations of protoplanetary disks in the millimeter continuum have shown a variety of radial gaps, cavities, and spira…