𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The structure of a sunspot

✍ Scribed by P. R. Wilson

Publisher
Springer
Year
1968
Tongue
English
Weight
775 KB
Volume
5
Category
Article
ISSN
0038-0938

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πŸ“œ SIMILAR VOLUMES

The structure of a sunspot
The structure of a sunspot
✍ P. R. Wilson πŸ“‚ Article πŸ“… 1968 πŸ› Springer 🌐 English βš– 865 KB

A new model for the structure of a sunspot is put forward. The features of the model are (i) the deep inhibition of convection by magnetic fields, (ii) the formation of a 'cool cone' above the region of inhibition of convective transfer by the energy diverted around tiffs region, and (iii) the devel

The intensity, velocity and magnetic str
The intensity, velocity and magnetic structure of a sunspot region
✍ J. M. Beckers; E. H. SchrΓΆter πŸ“‚ Article πŸ“… 1968 πŸ› Springer 🌐 English βš– 783 KB

A time sequence of high-resolution sunspot photographs, exposed almost simultaneously in two continuum wavelengths (4680/~ and 6400 ~), was used to study some properties of umbral fine structures ('umbral dots'). The lifetime of the umbral dots is found to be 1500 sec. Photometry of some bright dots

Emission measures and structure of the t
Emission measures and structure of the transition region of a sunspot from emission lines in the far ultraviolet
✍ Chung-Chieh Cheng; O. Kjeldseth Moe πŸ“‚ Article πŸ“… 1977 πŸ› Springer 🌐 English βš– 492 KB

Absolute intensities of emission lines in the wavelength range from 1200 A to 1817 A from the large sunspot in McMath region 12510 near Sun center are presented. The intensities are averaged across the umbra and penumbra of the sunspot. The observations were made with the NRL slit spectrograph on Sk