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5 papers · 2 filters
First on-sky demonstration of an integrated-photonic nulling-interferometer: The GLINT instrument
Barnaby R. M. Norris, Nick Cvetojevic, Tiphaine Lagadec +10
The characterisation of exoplanets is critical to understanding planet diversity and formation, their atmospheric composition and the potential for life. This endeavour is greatly…
Intensity interferometry of P Cygni in the H emission line: towards distance calibration of LBV supergiant stars
J. -P. Rivet, A. Siciak, E. S. G. de Almeida +7
We present intensity interferometry of the luminous blue variable P Cyg in the light of its H emission performed with 1\,m-class telescopes. We compare the measured visibility p…
The polarimetric imaging mode of VLT/SPHERE/IRDIS II: Characterization and correction of instrumental polarization effects
R. G. van Holstein, J. H. Girard, J. de Boer +31
Context. Circumstellar disks and self-luminous giant exoplanets or companion brown dwarfs can be characterized through direct-imaging polarimetry at near-infrared wavelengths. SPHE…
The polarimetric imaging mode of VLT/SPHERE/IRDIS I: Description, data reduction and observing strategy
J. de Boer, M. Langlois, R. G. van Holstein +31
Context. Polarimetric imaging is one of the most effective techniques for high-contrast imaging and characterization of protoplanetary disks, and has the potential to be instrument…
Performance and Early Science with the Subaru Coronagraphic Extreme Adaptive Optics Project
Thayne Currie, Olivier Guyon, Julien Lozi +9
We describe the current performance of the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) instrument on the Subaru telescope on Maunakea, Hawaii and present early science re…