136 citations · 884 across the 40 of their papers we have counts for
12 papers · 1 filter
Phase Closure Image Reconstruction for Future VLTI Instrumentation
Mercedes E. Filho, Stephanie Renard, Paulo Garcia +21
Classically, optical and near-infrared interferometry have relied on closure phase techniques to produce images. Such techniques allow us to achieve modest dynamic ranges. In order…
Phase Referencing in Optical Interferometry
Mercedes E. Filho, Paulo Garcia, Gilles Duvert +20
One of the aims of next generation optical interferometric instrumentation is to be able to make use of information contained in the visibility phase to construct high dynamic rang…
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…
Technetium and the third dredge up in AGB stars II. Bulge stars
Stefan Uttenthaler, Josef Hron, Thomas Lebzelter +3
We searched for Technetium (Tc) in a sample of bright oxygen-rich asymptotic giant branch (AGB) stars located in the outer galactic bulge. Tc is an unstable element synthesised via…
VSI: a milli-arcsec spectro-imager for the VLTI
Fabien Malbet, Pierre Kern, Jean-Philippe Berger +14
VLTi Spectro-Imager (VSI) is a proposition for a second generation VLTI instrument which is aimed at providing the ESO community with the capability of performing image synthesis a…
Modelling NIR molecular lines for Miras
W. Nowotny, S. Hoefner, T. Lebzelter +2
The atmospheric structure of Mira variables is considerably influenced by pulsation. Molecular absorption lines in the near-infrared (NIR), especially second overtone CO lines, sho…