492 citations
- W. Schmidt2 profiles80 · h 35
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11 papers · 1 filter
Modeling the Subsurface Structure of Sunspots
H. Moradi, C. Baldner, A. C. Birch +19
While sunspots are easily observed at the solar surface, determining their subsurface structure is not trivial. There are two main hypotheses for the subsurface structure of sunspo…
Magnetic loop emergence within a granule
P. Gömöry, C. Beck, H. Balthasar +4
We investigate the temporal evolution of magnetic flux emerging within a granule in the quiet-Sun internetwork at disk center. We combined IR spectropolarimetry performed in two Fe…
On the velocity field of sunspot penumbrae - I. A global view
Morten Franz, Rolf Schlichenmaier
We investigated the vertical penumbral plasma flow on small spatial scales using data recorded by the spectropolarimeter of the solar optical telescope onboard Hinode. To this end…
Wave propagation and energy transport in the magnetic network of the Sun
G. Vigeesh, S. S. Hasan, O. Steiner
We investigate wave propagation and energy transport in magnetic elements, which are representatives of small scale magnetic flux concentrations in the magnetic network on the Sun.…
Linear wavelength correlation matrices of photospheric and chromospheric spectral lines: 1. Observations vs. modeling
C. Beck, W. Rammacher
We investigate the linear correlation coefficient between the intensities at different wavelengths in photospheric and chromospheric spectral lines. Waves that propagate vertically…
Comparison of the sidereal angular velocity of subphotospheric layers and small bright coronal structures during the declining phase of solar cycle 23
Amel Zaatri, Hubertus Woehl, Markus Roth +2
Context. We compare solar differential rotation of subphotospheric layers derived from local helioseismology analysis of GONG++ dopplergrams and the one derived from tracing small…