The spectrum of umbral oscillations of the Scheuer-Thomas sunspot model

✍ Scribed by V. I. Zhukov; V. I. Efremov; B. T. Nuraliev

• Publisher: Springer
• Year: 1987
• Tongue: English
• Weight: 232 KB
• Volume: 109
• Category: Article
• ISSN: 0038-0938
• DOI: 10.1007/bf00160664

✦ Synopsis

Proper periods are calculated for oscillations of an isothermal gaseous layer with a homogeneous vertical magnetic field, limited by two rigid horizontal boundaries. The obtained results are in good agreement with the observed umbral oscillations in a sunspot.