2 papers
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.EP2018
High-contrast imaging of HD 163296 with the Keck/NIRC2 L'-band vortex coronograph
G. Guidi, G. Ruane, J. P. Williams +16
We present observations of the nearby (D100\,pc) Herbig star HD~163296 taken with the vortex coronograph at Keck/NIRC2 in the L' band (3.7~m), to search for planetary mass…