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A sodium experiment for photospheric velocity field observations |
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| Authors: | E. Fossat F. Roddier |
| Affiliation: | (1) Astrophysic Laboratory, Faculty of Sciences, Nice, France |
| Abstract: | A method for studying small scale photospheric velocity fields with a balloon experiment is proposed. A sodium resonance cell is used with a diffraction limited telescope. Good pointing accuracy is not necessary. Preliminary results of ground-based observations are given. |
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