20 June 2000 SOFIA terahertz array receiver (STAR)
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Abstract
We describe the receiver concept for KOSMA's planned second generation SOFIA instrument STAR (SOFIA Terahertz Array Receiver). The receiver will contain a 4 X 4 element heterodyne mixer array for the frequency range from 1.7 to 1.9 THz (158 to 176 microns). Its main scientific goal is large scale mapping of the 158 micron fine structure transition of singly ionized carbon. The design frequency range covers this line out to moderate red shifts and also allows to observe a variety of other spectral lines.
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Ernest A. Michael, Urs U. Graf, C. E. Honingh, K. Jacobs, F. Lewen, Rudolf T. Schieder, Juergen Stutzki, "SOFIA terahertz array receiver (STAR)", Proc. SPIE 4014, Airborne Telescope Systems, (20 June 2000); doi: 10.1117/12.389127; https://doi.org/10.1117/12.389127
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KEYWORDS
Receivers

Mirrors

Stars

Oscillators

Terahertz radiation

Carbon

Telescopes

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