Abstract
High-resolution infrared spectra of sunspot umbrae have been recorded with the 1-meter Fourier transform spectrometer on Kitt Peak. The spectra contain a very large number of water absorption features originating on the sun. These lines have been assigned to the pure rotation and the vibration-rotation transitions of hot water by comparison with high-temperature laboratory emission spectra.
Original language | English |
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Pages (from-to) | 1155-1158 |
Number of pages | 4 |
Journal | Science |
Volume | 268 |
Issue number | 5214 |
Publication status | Published - 26 May 1995 |
Keywords
- HYDROGEN FLAME SPECTRA
- RO-VIBRATIONAL LEVELS
- MILLIMETER-WAVE
- H2O
- MOLECULES
- CM-1