✦ LIBER ✦

Structure of the solar granulation

✍ Scribed by Th. Roudier; R. Muller

Publisher: Springer
Year: 1986
Tongue: English
Weight: 804 KB
Volume: 107
Category: Article
ISSN: 0038-0938
DOI: 10.1007/bf00155337

No coin nor oath required. For personal study only.

✦ Synopsis

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 the number of granules increases continuously toward smaller scales; this means that the solar granulation has no characteristic or mean scale. Nevertheless, the granules appear to have a critical scale of 1 ': 37, at which drastic changes in the properties of granules occur; in particular the fractal dimension changes at the critical scale. The granules smaller than this scale could be of turbulent origin.

📜 SIMILAR VOLUMES

Morphological study of the solar granula

Morphological study of the solar granulation

✍ Nobuyuki Oda 📂 Article 📅 1984 🏛 Springer 🌐 English ⚖ 946 KB

A morphological study of the solar granu

A morphological study of the solar granulation

✍ O. Namba; W. E. Diemel 📂 Article 📅 1969 🏛 Springer 🌐 English ⚖ 514 KB

The Solar granulation in different heigh

The Solar granulation in different heights

✍ H. Balthasar 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 432 KB

On the rms intensity fluctuation of sola

On the rms intensity fluctuation of solar granulation

✍ J. P. Mehltretter 📂 Article 📅 1971 🏛 Springer 🌐 English ⚖ 706 KB

Statistical analysis of a solar granulat

Statistical analysis of a solar granulation plate

✍ Claude Aime 📂 Article 📅 1973 🏛 Springer 🌐 English ⚖ 172 KB

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.

Center to limb variation of solar granul

Center to limb variation of solar granulation

✍ R. Jain; R. Muller 📂 Article 📅 1989 🏛 Springer 🌐 English ⚖ 518 KB

From high resolution white light photographs it is determined that the surface density of solar granulation decreases towards limb. A schematic model is proposed to interpret both decrease of surface density and size of granules in the upper photosphere.