output
20102026
most citedA strong magnetic field around the supermassive black hole at the centre of the Galaxy

457 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions
Showing astro-ph.IMShow all

5 papers · 1 filter

astro-ph.IM2020★ 15 cited

4GREAT -- a four-color receiver for high-resolution airborne terahertz spectroscopy

Carlos A. Durán, Rolf Güsten, Christophe Risacher +13

4GREAT is an extension of the German Receiver for Astronomy at Terahertz frequencies (GREAT) operated aboard the Stratospheric Observatory for Infrared Astronomy (SOFIA). The spect…

astro-ph.IM2018★ 109 cited

The upGREAT dual frequency heterodyne arrays for SOFIA

C. Risacher, R. Güsten, J. Stutzk +30

We present the performance of the upGREAT heterodyne array receivers on the SOFIA telescope after several years of operations. This instrument is a multi-pixel high resolution (R >…

astro-ph.IM2016★ 113 cited

The upGREAT 1.9 THz multi-pixel high resolution spectrometer for the SOFIA Observatory

C. Risacher, R. Guesten, J. Stutzki +19

We present a new multi-pixel high resolution (R >10^7) spectrometer for the Stratospheric Observatory for Far-Infrared Astronomy (SOFIA). The receiver uses 2 x 7-pixel subarrays in…

astro-ph.IM2015★ 81 cited

First supra-THz Heterodyne Array Receivers for Astronomy with the SOFIA Observatory

Christophe Risacher, Rolf Guesten, Juergen Stutzki +15

We present the upGREAT THz heterodyne arrays for far-infrared astronomy. The Low Frequency Array (LFA) is designed to cover the 1.9-2.5 THz range using 2x7-pixel waveguide-based HE…

astro-ph.IM2012★ 260 cited

High-resolution wide-band Fast Fourier Transform spectrometers

Bernd Klein, Stefan Hochgürtel, Ingo Krämer +3

We describe the performance of our latest generations of sensitive wide-band high-resolution digital Fast Fourier Transform Spectrometer (FFTS). Their design, optimized for a wide…