Abstract
Atmospheric transmission from Dome A, Antarctica, presents new possibilities in the field of terahertz astronomy, where space telescopes have been the only observational tools until now. Using atmospheric transmission measurements from Dome A with a Fourier transform spectrometer, transmission spectra and long-term stabilities have been analyzed at 1.461 THz, 3.393 THz, 5.786 THz and 7.1 THz, which show that important atmospheric windows for terahertz astronomy open for a reasonable length of time in the winter season. With large aperture terahertz telescopes and interferometers at Dome A, high angular resolution terahertz observations are foreseen of atomic fine-structure lines from ionized gas and a water ice feature from protoplanetary disks. Citation: Matsuo H, Shi S C, Paine S, et al. Terahertz atmospheric windows for high angular resolution terahertz astronomy from Dome A. Adv Polar Sci, 2019, 30(1): 76-80, doi: 10.13679/j.advps.2019.00076
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