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Post-processing the VLTI fringe-tracking data: First measurements of stars
Jean-Baptiste Le Bouquin, Roberto Abuter, Pierre Haguenauer +3
At the Very Large Telescope Interferometer, the purpose of the fringe-tracker FINITO is to stabilize the optical path differences between the beams, allowing longer integration tim…
VSI: the VLTI spectro-imager
F. Malbet, D. Buscher, G. Weigelt +51
The VLTI Spectro Imager (VSI) was proposed as a second-generation instrument of the Very Large Telescope Interferometer providing the ESO community with spectrally-resolved, near-i…
Milli-arcsecond astrophysics with VSI, the VLTI spectro-imager in the ELT era
F. Malbet, D. Buscher, G. Weigelt +49
Nowadays, compact sources like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and surroundings of active galactic nuclei c…
J, H, K spectro-interferometry of the Mira variable S Orionis
M. Wittkowski, D. A. Boboltz, T. Driebe +4
Aims: We present J, H, K interferometry with a spectral resolution of 35 for the Mira variable S Orionis. We aim at measuring the diameter variation as a function of wavelength tha…
First result with AMBER+FINITO on the VLTI: The high-precision angular diameter of V3879 Sgr
Jean-Baptiste Le Bouquin, Bertrand Bauvir, Pierre Haguenauer +3
Our goal is to demonstrate the potential of the interferometric AMBER instrument linked with the Very Large Telescope Interferometer (VLTI) fringe-tracking facility FINITO to deriv…