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CHARA Array adaptive optics: complex operational software and performance
Narsireddy Anugu, Theo ten Brummelaar, Nils H. Turner +18
The CHARA Array is the longest baseline optical interferometer in the world. Operated with natural seeing, it has delivered landmark sub-milliarcsecond results in the areas of stel…
CHARA/MIRC-X -- a high-sensitive six telescope interferometric imager concept, commissioning, and early science
Narsireddy Anugu, Jean-Baptiste Le Bouquin, John D. Monnier +14
MIRC-X is a six telescope beam combiner at the CHARA array that works in J and H wavelength bands and provides an angular resolution equivalent to a =331m diameter telescope. Th…
ARMADA I: Triple Companions Detected in B-Type Binaries alpha Del and nu Gem
Tyler Gardner, John D. Monnier, Francis C. Fekel +19
Ground-based optical long-baseline interferometry has the power to measure the orbits of close binary systems at ~10 micro-arcsecond precision. This precision makes it possible to…
Precise calibration of the dependence of surface brightness-colour relations on colour and class for late-type stars
A. Salsi, N. Nardetto, D. Mourard +9
Surface brightness-colour relations (SBCRs) are used to derive the stellar angular diameters from photometric observations. They have various astrophysical applications, such as th…
Visual Orbits of Spectroscopic Binaries with the CHARA Array. III. HD 8374 and HD 24546
Kathryn V. Lester, Francis C. Fekel, Matthew Muterspaugh +9
We present the visual orbits of two long period spectroscopic binary stars, HD 8374 and HD 24546, using interferometric observations acquired with the CHARA Array and the Palomar T…