activity
20072026
most citedDetection of the gravitational redshift in the orbit of the star S2 near the Galactic centre massive black hole

947 citations · 6k across the 76 of their papers we have counts for

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Showing astro-ph.IMShow all

14 papers · 1 filter

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.IM2025★ 33 cited

Advancing European High-Contrast Imaging R&D Towards the Habitable Worlds Observatory

Iva Laginja, Óscar Carrión-González, Romain Laugier +31

The Habitable Worlds Observatory (HWO) will enable a transformative leap in the direct imaging and characterization of Earth-like exoplanets. For this, NASA is focusing on early in…

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.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.IM2020★ 3 cited

Towards a physical understanding of the thermal background in large ground-based telescopes

Leonard Burtscher, Ioannis Politopoulos, Sergio Fernández-Acosta +11

Ground-based thermal-infrared observations have a unique scientific potential, but are also extremely challenging due to the need to accurately subtract the high thermal background…

astro-ph.IM2019★ 73 cited

The GRAVITY fringe tracker

S. Lacour, R. Dembet, R. Abuter +17

The GRAVITY instrument has been commissioned on the VLTI during 2016 and is now available to the astronomical community. It is the first optical interferometer capable of observing…