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- Title
High-Resolution Infrared Measurements of H<sub>2</sub>O and SiO in Sunspots.
- Authors
Sonnabend, G.; Wirtz, D.; Schieder, R.; Bernath, P. F.
- Abstract
Ultra-high-resolution spectroscopic measurements ( R ≈ 107) of water vapor and silicon monoxide in sunspots are presented. Observations were performed using the Cologne Tunable Heterodyne Infrared Spectrometer (THIS) at the McMath–Pierce Solar Observatory. Mid-infrared molecular absorption lines around 10 μm were recorded and resolved in full detail. The linewidth and shape can thus be determined with high precision and were used to calculate kinetic temperatures which are much higher than the physical temperatures of the sunspot.
- Subjects
INFRARED spectroscopy; SPECTRUM analysis; WAVELENGTHS; SUNSPOTS spectra; SUNSPOTS; SOLAR activity; SOLAR spectra
- Publication
Solar Physics, 2006, Vol 233, Issue 2, p205
- ISSN
0038-0938
- Publication type
Article
- DOI
10.1007/s11207-006-2488-9