Surface effects relevant to spot formation. Cooling mechanisms
- Neal Hurlburt (Lockheed Martin Solar and Astrophysics Lab)
Robert Cameron (Max Planck Institute for Solar System Research)
3/10/15, 4:40 PM
We will discuss the role of near surface flows, based on observations.
Benjamin Beeck (Max Planck Institute for Solar System Research)
3/10/15, 5:20 PM
The existence of starspots on cool main-sequence stars other than the Sun is known from observations. However, the properties of these spots (their sizes, temperature, magnetic field strength, etc.) are not well constrained. We aim at determining some of these properties in two- and three-dimensional radiative MHD simulations of the near-surface layers in a local-box setup. In a...
Eugene Avrett (Center for Astrophysics)
3/10/15, 5:40 PM
Models of sunspot spectra based on Sumer observations are used to calculate line profiles observed by IRIS at various disk positions. The models are used to calculate net radiative cooling rates, which indicate the required heating as a function of height.