Search Results - "Kuckein, C."

Magnetic Fields beneath Active Region Coronal Loops by Judge, Philip G., Kleint, L., Kuckein, C.

“…Abstract We examine the hypothesis that multipolar magnetic fields advected by photospheric granules can contribute to heating the active chromosphere and…”
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High-resolution Spectroscopy of an Erupting Minifilament and Its Impact on the Nearby Chromosphere by Kontogiannis, I., Dineva, E., Diercke, A., Verma, M., Kuckein, C., Balthasar, H., Denker, C.

“…We study the evolution of a minifilament eruption in a quiet region at the center of the solar disk and its impact on the ambient atmosphere. We used high…”
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Image Quality in High-resolution and High-cadence Solar Imaging by Denker, C., Dineva, E., Balthasar, H., Verma, M., Kuckein, C., Diercke, A., González Manrique, S. J.

“…Broad-band imaging and even imaging with a moderate bandpass (about 1 nm) provides a photon-rich environment, where frame selection (lucky imaging) becomes a…”
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THE THREE-DIMENSIONAL STRUCTURE OF AN ACTIVE REGION FILAMENT AS EXTRAPOLATED FROM PHOTOSPHERIC AND CHROMOSPHERIC OBSERVATIONS by YELLES CHAOUCHE, L, KUCKEIN, C, MARTINEZ PILLET, V, MORENO-INSERTIS, F

“…The three-dimensional structure of an active region filament is studied using nonlinear force-free field extrapolations based on simultaneous observations at a…”
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NLTE modeling of a small active region filament observed with the VTT by Schwartz, P., Balthasar, H., Kuckein, C., Koza, J., Gömöry, P., Rybák, J., Heinzel, P., Kučera, A.

“…An active region mini‐filament was observed with the Vacuum Tower Telescope (VTT) in Tenerife simultaneously in the Hei infrared triplet using the Tenerife…”
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Spectropolarimetric observations of an arch filament system with the GREGOR solar telescope by Balthasar, H., Gömöry, P., González Manrique, Sj, Kuckein, C., Kavka, J., Kučera, A., Schwartz, P., Vašková, R., Berkefeld, T., Collados Vera, M., Denker, C., Feller, A., Hofmann, A., Lagg, A., Nicklas, H., Orozco Suárez, D., Pastor Yabar, A., Rezaei, R., Schlichenmaier, R., Schmidt, D., Schmidt, W., Sigwarth, M., Sobotka, M., Solanki, S.K., Soltau, D., Staude, J., Strassmeier, K. G., Volkmer, R., von der Lühe, O., Waldmann, T.

“…Arch filament systems occur in active sunspot groups, where a fibril structure connects areas of opposite magnetic polarity, in contrast to active region…”
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Fitting peculiar spectral profiles in He I 10830 Å absorption features by González Manrique, S. J., Kuckein, C., Pastor Yabar, A., Collados, M., Denker, C., Fischer, C. E., Gömöry, P., Diercke, A., Bello González, N., Schlichenmaier, R., Balthasar, H., Berkefeld, T., Feller, A., Hoch, S., Hofmann, A., Kneer, F., Lagg, A., Nicklas, H., Orozco Suárez, D., Schmidt, D., Schmidt, W., Sigwarth, M., Sobotka, M., Solanki, S. K., Soltau, D., Staude, J., Strassmeier, K. G., Verma, M., Volkmer, R., von der Lühe, O., Waldmann, T.

“…The new generation of solar instruments provides better spectral, spatial, and temporal resolution for a better understanding of the physical processes that…”
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Solar physics at the Einstein Tower by Denker, C., Heibel, C., Rendtel, J., Arlt, K., Balthasar, H., Diercke, A., González Manrique, S.J., Hofmann, A., Kuckein, C., Önel, H., Senthamizh Pavai, V., Staude, J., Verma, M.

“…The solar observatory Einstein Tower (Einsteinturm) at the Telegrafenberg in Potsdam is both a landmark of modern architecture and an important place for solar…”
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Flow and magnetic field properties in the trailing sunspots of active region NOAA 12396 by Verma, M., Denker, C., Böhm, F., Balthasar, H., Fischer, C. E., Kuckein, C., Bello González, N., Berkefeld, T., Collados, M., Diercke, A., Feller, A., González Manrique, S. J., Hofmann, A., Lagg, A., Nicklas, H., Orozco Suárez, D., Pator Yabar, A., Rezaei, R., Schlichenmaier, R., Schmidt, D., Schmidt, W., Sigwarth, M., Sobotka, M., Solanki, S. K., Soltau, D., Staude, J., Strassmeier, K. G., Volkmer, R., von der Lühe, O., Waldmann, T.

“…Improved measurements of the photospheric and chromospheric three‐dimensional magnetic and flow fields are crucial for a precise determination of the origin…”
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The association between sunspot magnetic fields and superpenumbral fibrils by Louis, R.E., Balthasar, H., Kuckein, C., Gömöry, P., Puschmann, K.G., Denker, C.

“…Spectropolarimetric observations of a sunspot were carried out with the Tenerife Infrared Polarimeter at Observatorio del Teide, Tenerife, Spain. Maps of the…”
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Fitting peculiar spectral profiles in He I 10830 Aa absorption features by Manrique, Gonzalez, Kuckein, C, Pastor Yabar, A, Collados, M, Denker, C, Fischer, CE, Gomory, P, Diercke, A, Bello Gonzalez, N, Schlichenmaier, R, Balthasar, H, Berkefeld, T, Feller, A, Hoch, S, Hofmann, A, Kneer, F, Lagg, A, Nicklas, H, Orozco Suarez, D, Schmidt, D, Schmidt, W, Sigwarth, M, Sobotka, M, Solanki, S K, Soltau, D, Staude, J, Strassmeier, K G, Verma, M, Volkmer, R, von der Luehe, O, Waldmann, T

“…The new generation of solar instruments provides better spectral, spatial, and temporal resolution for a better understanding of the physical processes that…”
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The dependence of the magnetism of a near-limb sunspot on height by Benko, M, Balthasar, H, Gömöry, P, Kuckein, C, Manrique, S. J. González

“…A&A 686, A194 (2024) The physical parameters of the sunspot are not fully understood, especially the height dependence of the magnetic field. So far, it is…”
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Two fluid dynamics in solar prominences by Manrique, S. J. González, Khomenko, E, Collados, M, Kuckein, C, Felipe, T, Gömöry, P

“…Solar prominences contain a significant amount of neutral species. The dynamics of the ionised and neutral fluids composing the prominence plasma can be…”
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Accelerating Multiframe Blind Deconvolution via Deep Learning by Ramos, A. Asensio, Pozuelo, S. Esteban, Kuckein, C

“…Ground-based solar image restoration is a computationally expensive procedure that involves nonlinear optimization techniques. The presence of atmospheric…”
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Filigree in the Surroundings of Polar Crown and High-Latitude Filaments by Diercke, A, Kuckein, C, Verma, M, Denker, C

“…High-resolution observations of polar crown and high-latitude filaments are scarce. We present a unique sample of such filaments observed in high-resolution…”
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Height variation of the cutoff frequency in a sunspot umbra by Felipe, T, Kuckein, C, Thaler, I

“…A&A 617, A39 (2018) In the solar atmosphere, the acoustic cutoff frequency is a local quantity which depends on the atmospheric height. It separates the…”
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The role of the chromospheric magnetic canopy in the formation of a sunspot penumbra by Lindner, P, Kuckein, C, Manrique, S. J. González, González, N. Bello, Kleint, L, Berkefeld, T

“…A&A 673, A64 (2023) While it is being conjectured that a chromospheric canopy plays a role in penumbra formation, it has been difficult to find observational…”
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Chromospheric resonances above sunspots and potential seismological applications by Felipe, T, Kuckein, C, Manrique, S. J. González, Milic, I, Sangeetha, C. R

“…Oscillations in sunspot umbrae exhibit remarkable differences between the photosphere and chromosphere. We evaluate two competing scenarios proposed for…”
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Spiral-shaped wavefronts in a sunspot umbra by Felipe, T, Kuckein, C, Khomenko, E, Thaler, I

“…A&A 621, A43 (2019) Solar active regions show a wide variety of oscillatory phenomena. The presence of the magnetic field leads to the appearance of several…”
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High-resolution spectroscopy of an erupting minifilament and its impact on the nearby chromosphere by Kontogiannis, I, Dineva, E, Diercke, A, Verma, M, Kuckein, C, Balthasar, H, Denker, C

“…We study the evolution of a mini-filament eruption in a quiet region at the center of the solar disk and its impact on the ambient atmosphere. We used…”
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