activity
20082025
most citedPIONIER: a 4-telescope visitor instrument at VLTI

351 citations · 572 across the 8 of their papers we have counts for

collaborators

8 papers

astro-ph.IM2025★ 8 cited

First Light for the GRAVITY+ Adaptive Optics: Extreme Adaptive Optics for the Very Large Telescope Interferometer

GRAVITY+ Collaboration, :, F. Allouche +137

GRAVITY+ improves by orders of magnitude the sensitivity, sky-coverage and contrast of the Very Large Telescope Interferometer (VLTI). A central part of this project is the develop…

astro-ph.IM2024

High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light

N. Pourré, T. O. Winterhalder, J. -B. Le Bouquin +173

Since 2019, GRAVITY has provided direct observations of giant planets and brown dwarfs at separations of down to 95 mas from the host star. Some of these observations have provided…

astro-ph.GA2019★ 115 cited

An image of the dust sublimation region in the nucleus of NGC 1068

GRAVITY Collaboration, O. Pfuhl, R. Davies +40

We present near-infrared interferometric data on the Seyfert 2 galaxy NGC 1068, obtained with the GRAVITY instrument on the European Southern Observatory Very Large Telescope Inter…

astro-ph.IM2012★ 9 cited

PIONIER: a status report

J. -B. Le Bouquin, J. -P. Berger, G. Zins +33

The visitor instrument PIONIER provides VLTI with improved imaging capabilities and sensitivity. The instrument started routinely delivering scientific data in November 2010, that…

astro-ph.IM2011★ 351 cited

PIONIER: a 4-telescope visitor instrument at VLTI

Jean-Baptiste Le Bouquin, J. -P. Berger, B. Lazareff +43

PIONIER stands for Precision Integrated-Optics Near-infrared Imaging ExpeRiment. It combines four 1.8m Auxilliary Telescopes or four 8m Unit Telescopes of the Very Large Telescope…

astro-ph.IM2010★ 6 cited

PIONIER: a visitor instrument for the VLTI

J. -P. Berger, G. Zins, B. Lazareff +35

PIONIER is a 4-telescope visitor instrument for the VLTI, planned to see its first fringes in 2010. It combines four ATs or four UTs using a pairwise ABCD integrated optics combine…

astro-ph.IM2010★ 56 cited

GRAVITY: a four-telescope beam combiner instrument for the VLTI

S. Gillessen, F. Eisenhauer, G. Perrin +60

GRAVITY is an adaptive optics assisted Beam Combiner for the second generation VLTI instrumentation. The instrument will provide high-precision narrow-angle astrometry and phase-re…

astro-ph2008★ 27 cited

Characterization of integrated optics components for the second generation of VLTI instruments

S. Lacour, L. Jocou, T. Moulin +10

Two of the three instruments proposed to ESO for the second generation instrumentation of the VLTI would use integrated optics for beam combination. Several design are studied, inc…