activity
19982024
most citedA geometric distance measurement to the Galactic Center black hole with 0.3% uncertainty

826 citations · 4.9k across the 62 of their papers we have counts for

collaborators

62 papers

astro-ph.GA2024★ 48 cited

Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits

The GRAVITY Collaboration, Karim Abd El Dayem, Roberto Abuter +66

Studying the orbital motion of stars around Sagittarius A* in the Galactic Center provides a unique opportunity to probe the gravitational potential near the supermassive black hol…

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.SR2022★ 9 cited

Updated orbital monitoring and dynamical masses for nearby M-dwarf binaries

Per Calissendorff, Markus Janson, Laetitia Rodet +26

Young M-type binaries are particularly useful for precise isochronal dating by taking advantage of their extended pre-main sequence evolution. Orbital monitoring of these low-mass…

astro-ph.HE2021★ 64 cited

Constraining particle acceleration in Sgr A* with simultaneous GRAVITY, Spitzer, NuSTAR and Chandra observations

R. Abuter, A. Amorim, M. Bauböck +81

We report the time-resolved spectral analysis of a bright near-infrared and moderate X-ray flare of Sgr A*. We obtained light curves in the -, -, and -bands in the mid- an…

astro-ph.IM2021★ 1 cited

The adaptive optics simulation analysis tool(kit) (AOSAT)

Markus Feldt, Stefan Hippler, Faustine Cantalloube +5

AOSAT is a python package for the analysis of single-conjugate adaptive optics (SCAO) simulation results. Python is widely used in the astronomical community these days, and AOSAT…

astro-ph.GA2021★ 192 cited

Improved GRAVITY astrometric accuracy from modeling of optical aberrations

GRAVITY Collaboration, R. Abuter, A. Amorim +60

The GRAVITY instrument on the ESO VLTI pioneers the field of high-precision near-infrared interferometry by providing astrometry at the as level. Measurements at such…