activity
19972023
most citedMonitoring stellar orbits around the Massive Black Hole in the Galactic Center

1.8k citations · 49.7k across the 370 of their papers we have counts for

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Showing astro-ph.IMShow all

17 papers · 1 filter

astro-ph.IM2023★ 42 cited

The Enhanced Resolution Imager and Spectrograph for the VLT

R. Davies, O. Absil, G. Agapito +81

ERIS, the Enhanced Resolution Imager and Spectrograph, is an instrument that both extends and enhances the fundamental diffraction limited imaging and spectroscopy capability for t…

astro-ph.IM2023★ 21 cited

The GRAVITY+ Project: Towards All-sky, Faint-Science, High-Contrast Near-Infrared Interferometry at the VLTI

GRAVITY+ Collaboration, :, Roberto Abuter +134

The GRAVITY instrument has been revolutionary for near-infrared interferometry by pushing sensitivity and precision to previously unknown limits. With the upgrade of GRAVITY and th…

astro-ph.IM2023★ 2 cited

First on-sky results of ERIS at VLT

Kateryna Kravchenko, Yigit Dallilar, Olivier Absil +46

ERIS (Enhanced Resolution Imager and Spectrograph) is a new adaptive optics instrument installed at the Cassegrain focus of the VLT-UT4 telescope at the Paranal Observatory in Chil…

astro-ph.IM2022

GRAVITY+ Wide: Towards hundreds of z 2 AGN

A. Drescher, M. Fabricius, T. Shimizu +34

As part of the GRAVITY project, the near-infrared beam combiner GRAVITY and the VLTI are currently undergoing a series of significant upgrades to further improve the performa…

astro-ph.IM2022

GRAVITY faint: reducing noise sources in GRAVITY with a fast metrology attenuation system

F. Widmann, S. Gillessen, T. Ott +28

With the upgrade from GRAVITY to GRAVITY the instrument will evolve into an all-sky interferometer that can observe faint targets, such as high redshift AGN. Observing the fain…

astro-ph.IM2022★ 31 cited

First Light for GRAVITY Wide: Large Separation Fringe Tracking for the Very Large Telescope Interferometer

GRAVITY+ Collaboration, :, R. Abuter +114

GRAVITY+ is the upgrade of GRAVITY and the Very Large Telescope Interferometer (VLTI) with wide-separation fringe tracking, new adaptive optics, and laser guide stars on all four 8…

astro-ph.IM2018★ 25 cited

ARGOS at the LBT. Binocular laser guided ground layer adaptive optics

S. Rabien, R. Angel, L. Barl +48

Having completed its commissioning phase, the Advanced Rayleigh guided Ground-layer adaptive Optics System (ARGOS) facility is coming online for scientific observations at the Larg…

astro-ph.IM2018★ 5 cited

Optical Distortion in the NACO Imager

P. M. Plewa, S. Gillessen, M. Bauböck +11

In this research note, we present a set of distortion solutions that may be used to correct geometric optical distortion in images taken with the S13 camera of the NACO adaptive op…

astro-ph.IM2017★ 588 cited

First Light for GRAVITY: Phase Referencing Optical Interferometry for the Very Large Telescope Interferometer

GRAVITY Collaboration, R. Abuter, M. Accardo +130

GRAVITY is a new instrument to coherently combine the light of the European Southern Observatory Very Large Telescope Interferometer to form a telescope with an equivalent 130 m di…

astro-ph.IM2016★ 10 cited

The metrology system of the VLTI instrument GRAVITY

Magdalena Lippa, Stefan Gillessen, Nicolas Blind +24

The VLTI instrument GRAVITY combines the beams from four telescopes and provides phase-referenced imaging as well as precision-astrometry of order 10 microarcseconds by observing t…

astro-ph.IM2016★ 14 cited

Making SPIFFI SPIFFIER: Upgrade of the SPIFFI instrument for use in ERIS and performance analysis from re-commissioning

E. M. George, D. Gräff, H. Feuchtgruber +15

SPIFFI is an AO-fed integral field spectrograph operating as part of SINFONI on the VLT, which will be upgraded and reused as SPIFFIER in the new VLT instrument ERIS. In January 20…

astro-ph.IM2016★ 25 cited

MICADO: first light imager for the E-ELT

R. Davies, J. Schubert, M. Hartl +80

MICADO will equip the E-ELT with a first light capability for diffraction limited imaging at near-infrared wavelengths. The instrument's observing modes focus on various flavours o…

astro-ph.IM2015

The GRAVITY instrument software / High-level software

Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott +30

GRAVITY is the four-beam, near- infrared, AO-assisted, fringe tracking, astrometric and imaging instrument for the Very Large Telescope Interferometer (VLTI). It is requiring the d…

astro-ph.IM2015★ 5 cited

The GRAVITY metrology system: narrow-angle astrometry via phase-shifting interferometry

M. Lippa, N. Blind, S. Gillessen +26

The VLTI instrument GRAVITY will provide very powerful astrometry by combining the light from four telescopes for two objects simultaneously. It will measure the angular separation…

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-ph.IM2010★ 71 cited

MICADO: the E-ELT Adaptive Optics Imaging Camera

R. Davies, MICADO Team

MICADO is the adaptive optics imaging camera for the E-ELT. It has been designed and optimised to be mounted to the LGS-MCAO system MAORY, and will provide diffraction limited imag…

astro-ph.IM2009

Training of Instrumentalists and Development of New Technologies on SOFIA

Edwin F. Erickson, Louis J. Allamandola, Jean-Paul Baluteau +47

This white paper is submitted to the Astronomy and Astrophysics 2010 Decadal Survey (Astro2010)1 Committee on the State of the Profession to emphasize the potential of the Stratosp…