Zobrazeno 1 - 10
of 743
pro vyhledávání: '"Stěpán, J."'
Autor:
Rachmeler, L. A., Bueno, J. Trujillo, McKenzie, D. E., Ishikawa, R., Auchere, F., Kobayashi, K., Kano, R., Okamoto, T. J., Bethge, C. W., Song, D., Ballester, E. Alsina, Belluzzi, L., Aleman, T. del Pino, Yoshida, M., Shimizu, T., Winebarger, A., Kobelski, A. R., Vigil, G. D., De Pontieu, B., Suematsu, Y., Narukage, N., Kubo, M., Sakao, T., Hara, H., Stepan, J., Carlsson, M., Leenaarts, J., Ramos, A. Asensio
Publikováno v:
ApJ 936 67 (2022)
The CLASP2 (Chromospheric LAyer SpectroPolarimeter 2) sounding rocket mission was launched on 2019 April 11. CLASP2 measured the four Stokes parameters of the Mg II h & k spectral region around 2800 Angstroms along a 200 arcsecond slit at three locat
Externí odkaz:
http://arxiv.org/abs/2207.01788
Publikováno v:
A&A 659, A179 (2022)
We present novel spectropolarimetric observations of the hydrogen H$\alpha$ line taken with the Z\"urich Imaging Polarimeter (ZIMPOL) at the Gregory Coud\'e Telescope of the Istituto Ricerche Solari Locarno (IRSOL). The linear polarization is clearly
Externí odkaz:
http://arxiv.org/abs/2201.03815
The sizable linear polarization signals produced by the scattering of anisotropic radiation in the core of the Ca I 4227 $\mathrm{\r{A}}$ line constitute an important observable for probing the inhomogeneous and dynamic plasma of the lower solar chro
Externí odkaz:
http://arxiv.org/abs/2101.04421
Autor:
Peter, H., Ballester, E. Alsina, Andretta, V., Auchere, F., Belluzzi, L., Bemporad, A., Berghmans, D., Buchlin, E., Calcines, A., Chitta, L. P., Dalmasse, K., Aleman, T. del Pino, Feller, A., Froment, C., Harrison, R., Janvier, M., Matthews, S., Parenti, S., Przybylski, D., Solanki, S. K., Stepan, J., Teriaca, L., Bueno, J. Trujillo
The magnetic activity of the Sun directly impacts the Earth and human life. Likewise, other stars will have an impact on the habitability of planets orbiting these host stars. The lack of information on the magnetic field in the higher atmospheric la
Externí odkaz:
http://arxiv.org/abs/2101.01566
Autor:
Bueno, J. Trujillo, Štěpán, J., Belluzzi, L., Ramos, A. Asensio, Sainz, R. Manso, Alemán, T. del Pino, Casini, R., Ishikawa, R., Kano, R., Winebarger, A., Auchère, F., Narukage, N., Kobayashi, K., Bando, T., Katsukawa, Y., Kubo, M., Ishikawa, S., Giono, G., Hara, H., Suematsu, Y., Shimizu, T., Sakao, T., Tsuneta, S., Ichimoto, K., Cirtain, J., Champey, P., De Pontieu, B., Carlsson, M.
The Chromospheric Lyman-Alpha Spectro-Polarimeter (CLASP) is a suborbital rocket experiment that on 3rd September 2015 measured the linear polarization produced by scattering processes in the hydrogen Ly-$\alpha$ line of the solar disk radiation, who
Externí odkaz:
http://arxiv.org/abs/1809.08865
Autor:
Stepan, J., Bueno, J. Trujillo, Belluzzi, L., Ramos, A. Asensio, Sainz, R. Manso, Aleman, T. del Pino, Casini, R., Kano, R., Winebarger, A., Auchere, F., Ishikawa, R., Narukage, N., Kobayashi, K., Bando, T., Katsukawa, Y., Kubo, M., Ishikawa, S., Giono, G., Hara, H., Suematsu, Y., Shimizu, T., Sakao, T., Tsuneta, S., Ichimoto, K., Cirtain, J., Champey, P., De Pontieu, B., Carlsson, M.
On 3rd September 2015, the Chromospheric Lyman-Alpha SpectroPolarimeter (CLASP) successfully measured the linear polarization produced by scattering processes in the hydrogen Lyman-$\alpha$ line of the solar disk radiation, revealing conspicuous spat
Externí odkaz:
http://arxiv.org/abs/1808.02725
One of the key research problems in stellar physics is to decipher the small-scale magnetic activity of the quiet solar atmosphere. Recent magneto-convection simulations that account for small-scale dynamo action have provided three-dimensional (3D)
Externí odkaz:
http://arxiv.org/abs/1806.07293
Discovery of Scattering Polarization in the Hydrogen Lyman-$\alpha$ Line of the Solar Disk Radiation
Autor:
Kano, R., Bueno, J. Trujillo, Winebarger, A., Auchère, F., Narukage, N., Ishikawa, R., Kobayashi, K., Bando, T., Katsukawa, Y., Kubo, M., Ishikawa, S., Giono, G., Hara, H., Suematsu, Y., Shimizu, T., Sakao, T., Tsuneta, S., Ichimoto, K., Goto, M., Belluzzi, L., Štěpán, J., Ramos, A. Asensio, Sainz, R. Manso, Champey, P., Cirtain, J., De Pontieu, B., Casini, R., Carlsson, M.
Publikováno v:
The Astrophysical Journal Letters, Volume 839, Number 1, L10, 2017
There is a thin transition region (TR) in the solar atmosphere where the temperature rises from 10,000 K in the chromosphere to millions of degrees in the corona. Little is known about the mechanisms that dominate this enigmatic region other than the
Externí odkaz:
http://arxiv.org/abs/1704.03228
Autor:
Ishikawa, R., Ramos, A. Asensio, Belluzzi, L., Sainz, R. Manso, Stepan, J., Bueno, J. Trujillo, Goto, M., Tsuneta, S.
Magnetic field measurements in the upper chromosphere and above, where the gas-to-magnetic pressure ratio $\beta$ is lower than unity, are essential for understanding the thermal structure and dynamical activity of the solar atmosphere. Recent develo
Externí odkaz:
http://arxiv.org/abs/1404.0786
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