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astro-ph.CO2012★ 5 cited
[CII] gas in IC 342
M. Röllig, R. Simon, R. Güsten +6
Methods: We used the dual-band receiver GREAT on board the SOFIA airborne telescope to perform observations of the [C II] 158 μm fine-structure line at the postitions of two giant…
astro-ph.GA2012★ 52 cited
[12CII] and [13CII] 158 mum emission from NGC 2024: Large column densities of ionized carbon
U. U. Graf, R. Simon, J. Stutzki +6
Context: We analyze the NGC 2024 HII region and molecular cloud interface using [12CII] and [13CII] observations. Aims: We attempt to gain insight into the physical structure of th…
astro-ph.IM2012★ 114 cited
GREAT/SOFIA atmospheric calibration
Xin Guan, Jürgen Stutzki, Urs U. Graf +5
The GREAT observations need frequency-selective calibration across the passband for the residual atmospheric opacity at flight altitude. At these altitudes the atmospheric opacity…