492 citations
- W. Schmidt2 profiles80 · h 35
- A. Gandorfer62 · h 32
- S. Solanki3 profiles57 · h 78
- J. C. del Toro Iniesta55 · h 22
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- A. Feller2 profiles43 · h 23
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- Instituto de Astrofísica de CanariasES144 papers
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28 papers · 1 filter
Siphon flow in a cool magnetic loop
C. Bethge, C. Beck, H. Peter +1
We investigate the properties of a structure in the solar chromosphere in an active region to find out whether the feature is consistent with a siphon flow in a magnetic loop fille…
The formation of sunspot penumbra. I. Magnetic field properties
Reza Rezaei, Nazaret Bello Gonzalez, Rolf Schlichenmaier
We study the formation of a sunspot penumbra in the active region NOAA11024. We simultaneously observed the Stokes parameters of the photospheric iron lines at 1089.6 nm with the T…
Simulations of stellar convection with CO5BOLD
Bernd Freytag, Matthias Steffen, Hans-Günter Ludwig +3
High-resolution images of the solar surface show a granulation pattern of hot rising and cooler downward-sinking material -- the top of the deep-reaching solar convection zone. Con…
The frontier between Small-scale bipoles and Ephemeral Regions in the solar photosphere: Emergence and Decay of an Intermediate-scale bipole observed with IMaX/SUNRISE
S. L. Guglielmino, V. Martínez Pillet, J. A. Bonet +7
We report on the photospheric evolution of an intermediate-scale (~4 Mm footpoint separation) magnetic bipole, from emergence to decay, observed in the quiet Sun at high spatial 0"…
Stray-light contamination and spatial deconvolution of slit-spectrograph observations
C. Beck, R. Rezaei, D. Fabbian
Stray light caused by scattering on optical surfaces and in the Earth's atmosphere degrades the spatial resolution of observations. We study the contribution of stray light to the…
Magnetic field emergence in mesogranular-sized exploding granules observed with SUNRISE/IMaX data
J. Palacios, J. Blanco Rodríguez, S. Vargas Domínguez +11
We report on magnetic field emergences covering significant areas of exploding granules. The balloon-borne mission SUNRISE provided high spatial and temporal resolution images of t…