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- California Institute of TechnologyUS428 papers
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- Goddard Space Flight CenterUS322 papers
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11 papers · 2 filters
Focal Plane Wavefront Sensing on SUBARU/SCExAO
Sebastien Vievard, Steven P. Bos, Frederic Cassaing +20
Focal plane wavefront sensing is an elegant solution for wavefront sensing since near-focal images of any source taken by a detector show distortions in the presence of aberrations…
The Automated Data Extraction, Processing, and Tracking System for CHARIS
Taylor L. Tobin, Jeffery Chilcote, Timothy Brandt +4
CHARIS is an IFS designed for imaging and spectroscopy of disks and sub-stellar companions. To improve ease of use and efficiency of science production, we present progress on a fu…
Systematics-insensitive Periodogram for finding periods in TESS observations of long-period rotators
Christina Hedges, Ruth Angus, Geert Barentsen +3
NASA's TESS mission \citep{tess} has produced high precision photometry of millions of stars to the community. The majority of TESS observations have a duration of 27 days…
On-sky performance and recent results from the Subaru coronagraphic extreme adaptive optics system
Thayne Currie, Olivier Guyon, Julien Lozi +10
We describe the current on-sky performance of the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument on the Subaru telescope on Maunakea, Hawaii. SCExAO is continuing…
Spectroscopic fourth-order coronagraph for the characterization of terrestrial planets at small angular separations from host stars
Taro Matsuo, Satoshi Itoh, Yuji Ikeda
We propose a new approach for high-contrast imaging at the diffraction limit using segmented telescopes in a modest observation bandwidth. This concept, named "spectroscopic fourth…
Calibration of the instrumental polarization effects of SCExAO-CHARIS' spectropolarimetric mode
Rob G. van Holstein, Steven P. Bos, Jasper Ruigrok +18
SCExAO at the Subaru telescope is a visible and near-infrared high-contrast imaging instrument employing extreme adaptive optics and coronagraphy. The instrument feeds the near-inf…