exoplanet instrumentation 1high-contrast imaging 1low-order wavefront sensing 1tip-tilt control 1vortex coronagraph 1
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astro-ph.IM2026
Laboratory demonstration of low order wavefront control using light reflected off the vortex coronagraph
Clarissa R. Do Ã, Kane Sjoberg, Luke Lamitina +4
The paper reports the first laboratory demonstration of a low‑order wavefront sensing and tip‑tilt control loop using light reflected from a vector vortex coronagraph, achieving su…
astro-ph.EP2026
Discovery of an Exterior Third Planet Orbiting Pictoris
Aidan Gibbs, Jean-Baptiste Ruffio, Alexis Bidot +9
We report the discovery of Pictoris d ( Pic d), a third giant planet in the Pictoris system, which now becomes only the second directly imaged system with more than t…