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20152023
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

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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 >…