For selected pairs of Fraunhofer lines the height of formation has been calculated corresponding to that portion of the profile intercepted by the magnetograph exit slits. A photospheric height discrimination of 150-300 km is realized. In 1971 simultaneous measurements of equatorial angular velocity
On the differential rotation of the solar photosphere
✍ Scribed by L. Dezsö; Ágnes Kovács
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 410 KB
- Volume
- 151
- Category
- Article
- ISSN
- 0038-0938
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
The differential rotation of the large-scale photospheric magnetic field has been investigated with an autocorrelation technique using synoptic charts of the photospheric field during the interval 1959-66. Near the equator the rotation period of the field is nearly the same as the rotation rate of l
The current models of the solar photosphere consisting of a large number of vertical columns of plasma seem to be in contradiction with the new observational data obtained from the spectrograms taken during the third flight of the Soviet Solar Stratospheric Observatory (SSO) on 1970, July 30. As it
Published spectroscopic measurements of solar rotation are analyzed to show that when the rotation velocity increases at high latitudes it tends to decrease at low latitudes, and conversely. The high latitude velocities typically vary over only 20 % of the range of those near the equator and the sma
The velocity of microturbulent motions in the solar photosphere at the level of formation of weak Fraunhofer lines (h-150 km) is found to be 0.1• kms -~. The observations have been performed with the double-pass spectrometer in Kiev. Apart from thermal motions and damping effects we have taken into