activity
20122023
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 2.2k across the 6 of their papers we have counts for

collaborators

6 papers

astro-ph.HE2023★ 1.9k cited

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

The Event Horizon Telescope Collaboration

We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A), the Galactic center source associated with a supermassive black hole. These observati…

astro-ph.IM2021

APEX Control System (APECS): Recent improvements and plans

Dirk Muders, Carsten König, Reinhold Schaaf +2

We report on recent improvements of the Atacama Pathfinder Experiment Control System (APECS) to cope with the ever increasing data rates and volumes. Also the very wide bandwidths…

astro-ph.GA2020★ 101 cited

The SEDIGISM survey: first data release and overview of the Galactic structure

F. Schuller, J. S. Urquhart, T. Csengeri +57

The SEDIGISM (Structure, Excitation and Dynamics of the Inner Galactic Interstellar Medium) survey used the APEX telescope to map 84 deg^2 of the Galactic plane between l = -60 deg…

astro-ph.GA2020★ 67 cited

The SEDIGISM survey: Molecular clouds in the inner Galaxy

A. Duarte-Cabral, D. Colombo, J. S. Urquhart +57

We use the 13CO(2-1) emission from the SEDIGISM high-resolution spectral-line survey of the inner Galaxy, to extract the molecular cloud population with a large dynamic range in sp…

astro-ph.GA2017★ 128 cited

SEDIGISM: Structure, excitation, and dynamics of the inner Galactic interstellar medium

F. Schuller, T. Csengeri, J. S. Urquhart +41

The origin and life-cycle of molecular clouds are still poorly constrained, despite their importance for understanding the evolution of the interstellar medium. We have carried out…

astro-ph.HE2012★ 3 cited

APEX sub-mm monitoring of gamma-ray blazars

S. Larsson, L. Fuhrmann, A. Weiss +13

So far, no systematic long-term blazar monitoring programs and detailed variability studies exist at sub-mm wavelengths. Here, we present a new sub-mm blazar monitoring program usi…