Center-to-limb profiles of the aluminum autoionization lines in the solar spectrum |
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| Authors: | Howard C McAllister |
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| Institution: | (1) Institute for Plasma Research, Stanford University, 94305 Stanford, Calif., U.S.A. |
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| Abstract: | The rotation of the solar corona has been studied using recurrence properties of the green coronal line (5303 Å) for the interval 1947–1970. Short-lived coronal activity is found to show the same differential rotation as short-lived photospheric magnetic field features. Long-lived recurrences show rigid rotation in the latitude interval ±57°.5. It is proposed that at least part of the variability of rotational properties of the solar atmosphere may be understood as a consequence of coexistence of differential and rigid solar rotation.On leave from Torino University, Italy, as an ESRO-NASA Fellow. |
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