Long-period network oscillations in the solar chromosphere
Open Access
- 1 May 1995
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 274 (1) , L1-L4
- https://doi.org/10.1093/mnras/274.1.l1
Abstract
Recent observations of solar chromospheric oscillations have revealed two different types: 3-min intranetwork oscillations above the supergranule cells; and long-period (∼ 5 to 20 min) oscillations associated with the bright chromospheric network. It has been speculated previously that the long-period network oscillations could be somehow related to low-frequency magneto-gravity waves in magnetized boundary lanes surrounding supergranules. We explore this scenario and examine its feasibility, as well as constraints based on a magnetohydrodynamic (MHD) model for the long-period solar network oscillations.Keywords
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