On 25 August 1965 spectrograms centered on the line BaII 5854 were obtained with the McMath Solar Telescope of Kitt Peak National Observatory under conditions of very good seeing so that the granulation velocity field was clearly revealed. These spectrograms were obtained at the centre of the disk i
Color in solar granulation
โ Scribed by John W. Evans
- Publisher
- Springer
- Year
- 1968
- Tongue
- English
- Weight
- 474 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0038-0938
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The structure of the solar granulation has been analysed using computer-processed images of two very high resolution (0': 25) white-light pictures obtained at the Pic-du-Midi Observatory. The narrow dispersion in the distribution of granule sizes is not confirmed. On the contrary, it is found that
Two-dimensional autocorrelation function and power spectrum per unit area are given for a solar granulation plate taken at the Pic-du-Midi Observatory. A comparison is made between our result and the power per unit wave number taken from the Schwarzschild stratoscope data.