Publications of Jiri Stepan ordered by citations

A list of publications authored or co-authored by Jiri Stepan, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0002-8292-2636

84	PORTA: A three-dimensional multilevel radiative transfer code for modeling the intensity and polarization of spectral lines with massively parallel computers Štěpán, Jiří & Trujillo Bueno, Javier, 2013, A&A, 557, A143
60	Mapping solar magnetic fields from the photosphere to the base of the corona Ishikawa, Ryohko, Trujillo Bueno, Javier, del Pino Alemán, Tanausú, Okamoto, Takenori J., McKenzie, David E., Auchère, Frédéric, Kano, Ryouhei, Song, Donguk, Yoshida, Masaki, Rachmeler, Laurel A., Kobayashi, Ken, Hara, Hirohisa, Kubo, Masahito, Narukage, Noriyuki, Sakao, Taro, Shimizu, Toshifumi, Suematsu, Yoshinori, Bethge, Christian, De Pontieu, Bart, Sainz Dalda, Alberto, Vigil, Genevieve D., Winebarger, Amy, Alsina Ballester, Ernest, Belluzzi, Luca, Štěpán, Jiří, Ramos, Andrés Asensio, Carlsson, Mats & Leenaarts, Jorrit, 2021, Science Advances, 7, eabe8406
59	Discovery of Scattering Polarization in the Hydrogen Lyα Line of the Solar Disk Radiation Kano, R., Trujillo Bueno, J., 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., Asensio Ramos, A., Manso Sainz, R., Champey, P., Cirtain, J., De Pontieu, B., Casini, R. & Carlsson, M., 2017, ApJ, 839, L10
57	The Hanle Effect of the Hydrogen Lyα Line for Probing the Magnetism of the Solar Transition Region Trujillo Bueno, Javier, Štěpán, Jiří & Casini, Roberto, 2011, ApJ, 738, L11
52	Three-dimensional Radiative Transfer Simulations of the Scattering Polarization of the Hydrogen Lyα Line in a Magnetohydrodynamic Model of the Chromosphere-Corona Transition Region Štěpán, J., Trujillo Bueno, J., Leenaarts, J. & Carlsson, M., 2015, ApJ, 803, 65
51	A Novel Investigation of the Small-scale Magnetic Activity of the Quiet Sun via the Hanle Effect in the Sr I 4607 Å Line del Pino Alemán, T., Trujillo Bueno, J., Štěpán, J. & Shchukina, N., 2018, ApJ, 863, 164
45	The Hanle and Zeeman Polarization Signals of the Solar Ca II 8542 Å Line Štěpán, Jiří & Trujillo Bueno, Javier, 2016, ApJ, 826, L10
44	The Scattering Polarization of the Lyα Lines of H I and He II Taking into Account Partial Frequency Redistribution and J-state Interference Effects Belluzzi, Luca, Trujillo Bueno, Javier & Štěpán, Jiří, 2012, ApJ, 755, L2
30	The Lyα Lines of H I and He II: A Differential Hanle Effect for Exploring the Magnetism of the Solar Transition Region Trujillo Bueno, Javier, Štěpán, Jiří & Belluzzi, Luca, 2012, ApJ, 746, L9
27	Quiet Sun Center to Limb Variation of the Linear Polarization Observed by CLASP2 Across the Mg II h and k Lines Rachmeler, L. A., Trujillo Bueno, J., McKenzie, D. E., Ishikawa, R., Auchère, F., Kobayashi, K., Kano, R., Okamoto, T. J., Bethge, C. W., Song, D., Alsina Ballester, E., Belluzzi, L., del Pino Alemán, T., Asensio Ramos, A. Asensio, Yoshida, M., Shimizu, T., Winebarger, A., Kobelski, A. R., Vigil, G. D., De Pontieu, B., Narukage, N., Kubo, M., Sakao, T., Hara, H., Suematsu, Y., Štěpán, J., Carlsson, M. & Leenaarts, J., 2022, ApJ, 936, 67
27	CLASP Constraints on the Magnetization and Geometrical Complexity of the Chromosphere-Corona Transition Region Trujillo Bueno, J., Štěpán, J., Belluzzi, L., Asensio Ramos, A., Manso Sainz, R., del Pino Alemán, T., 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., 2018, ApJ, 866, L15
25	The Effects of Three-dimensional Radiative Transfer on the Resonance Polarization of the Ca I 4227 Å Line Jaume Bestard, J., Trujillo Bueno, J., Štěpán, J. & del Pino Alemán, T., 2021, ApJ, 909, 183
22	The Hanle Effect of Lyα in a Magnetohydrodynamic Model of the Solar Transition Region Štěpán, J., Trujillo Bueno, J., Carlsson, M. & Leenaarts, J., 2012, ApJ, 758, L43
22	IRIS Mg II Observations and Non-LTE Modeling of Off-limb Spicules in a Solar Polar Coronal Hole Tei, Akiko, Gunár, Stanislav, Heinzel, Petr, Okamoto, Takenori J., Štěpán, Jiří, Jejčič, Sonja & Shibata, Kazunari, 2020, ApJ, 888, 42
22	Discovery of Ubiquitous Fast-Propagating Intensity Disturbances by the Chromospheric Lyman Alpha Spectropolarimeter (CLASP) Kubo, M., Katsukawa, Y., Suematsu, Y., Kano, R., Bando, T., Narukage, N., Ishikawa, R., Hara, H., Giono, G., Tsuneta, S., Ishikawa, S., Shimizu, T., Sakao, T., Winebarger, A., Kobayashi, K., Cirtain, J., Champey, P., Auchère, F., Trujillo Bueno, J., Asensio Ramos, A., Štěpán, J., Belluzzi, L., Manso Sainz, R., De Pontieu, B., Ichimoto, K., Carlsson, M., Casini, R. & Goto, M., 2016, ApJ, 832, 141
21	Chromospheric LAyer SpectroPolarimeter (CLASP2) Narukage, Noriyuki, McKenzie, David E., Ishikawa, Ryoko, Trujillo-Bueno, Javier, De Pontieu, Bart, Kubo, Masahito, Ishikawa, Shin-nosuke, Kano, Ryouhei, Suematsu, Yoshinori, Yoshida, Masaki, Rachmeler, Laurel A., Kobayashi, Ken, Cirtain, Jonathan W., Winebarger, Amy R., Asensio Ramos, Andres, del Pino Aleman, Tanausu, Štępán, Jiri, Belluzzi, Luca, Larruquert, Juan Ignacio, Auchère, Frédéric, Leenaarts, Jorrit & Carlsson, Mattias J. L., 2016, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray (Editors: den Herder, Jan-Willem A., Takahashi, Tadayuki & Bautz, Marshall), Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 9905, p. 990508
20	On the Probable Existence of an Abrupt Magnetization in the Upper Chromosphere of the Quiet Sun Štěpán, Jiří & Trujillo Bueno, Javier, 2010, ApJ, 711, L133
19	Scattering Polarization of Hydrogen Lines in Weakly Magnetized Stellar Atmospheres. I. Formulation and Application to Isothermal Models Štěpán, Jiří & Trujillo Bueno, Javier, 2011, ApJ, 732, 80
18	Hydrogen Hα line polarization in solar flares. Theoretical investigation of atomic polarization by proton beams considering self-consistent NLTE polarized radiative transfer Štěpán, J., Heinzel, P. & Sahal-Bréchot, S., 2007, A&A, 465, 621
17	Near optimal angular quadratures for polarised radiative transfer Štěpán, Jiří, Jaume Bestard, Jaume & Trujillo Bueno, Javier, 2020, A&A, 636, A24
16	Indication of the Hanle Effect by Comparing the Scattering Polarization Observed by CLASP in the Lyα and Si III 120.65 nm Lines Ishikawa, R., Trujillo Bueno, J., Uitenbroek, H., Kubo, M., Tsuneta, S., Goto, M., Kano, R., Narukage, N., Bando, T., Katsukawa, Y., Ishikawa, S., Giono, G., Suematsu, Y., Hara, H., Shimizu, T., Sakao, T., Winebarger, A., Kobayashi, K., Cirtain, J., Champey, P., Auchère, F., Štěpán, J., Belluzzi, L., Asensio Ramos, A., Manso Sainz, R., De Pontieu, B., Ichimoto, K., Carlsson, M. & Casini, R., 2017, ApJ, 841, 31
16	On the Inversion of the Scattering Polarization and the Hanle Effect Signals in the Hydrogen Lyα Line Ishikawa, R., Asensio Ramos, A., Belluzzi, L., Manso Sainz, R., Štěpán, J., Trujillo Bueno, J., Goto, M. & Tsuneta, S., 2014, ApJ, 787, 159
12	Novel framework for the three-dimensional NLTE inverse problem Štěpán, Jiří, del Pino Alemán, Tanausú & Trujillo Bueno, Javier, 2022, A&A, 659, A137
11	Polarization Calibration of the Chromospheric Lyman-Alpha SpectroPolarimeter for a 0.1% Polarization Sensitivity in the VUV Range. Part II: In-Flight Calibration Giono, G., Ishikawa, R., Narukage, N., Kano, R., Katsukawa, Y., Kubo, M., Ishikawa, S., Bando, T., Hara, H., Suematsu, Y., Winebarger, A., Kobayashi, K., Auchère, F., Trujillo Bueno, J., Tsuneta, S., Shimizu, T., Sakao, T., Cirtain, J., Champey, P., Asensio Ramos, A., Štěpán, J., Belluzzi, L., Manso Sainz, R., De Pontieu, B., Ichimoto, K., Carlsson, M., Casini, R. & Goto, M., 2017, Solar Physics, 292, 57
10	Hydrogen Balmer line formation in solar flares affected by return currents Štepán, J. Å., Kašparová, J., Karlický, M. & Heinzel, P., 2007, A&A, 472, L55
9	Comparison of theoretical and observed Ca II 8542 Stokes profiles in quiet regions at the centre of the solar disc Jurčák, J., Štěpán, J., Trujillo Bueno, J. & Bianda, M., 2018, A&A, 619, A60
9	On the Possibility of Detecting Helium D3 Line Polarization with Metis Heinzel, Petr, Štěpán, Jiři, Bemporad, Alessandro, Fineschi, Silvano, Jejčič, Sonja, Labrosse, Nicolas & Susino, Roberto, 2020, ApJ, 900, 8
9	Scattering Polarization in Solar Flares Štěpán, Jiří & Heinzel, Petr, 2013, ApJ, 778, L6
8	Polarization Accuracy Verification of the Chromospheric LAyer SpectroPolarimeter Song, Donguk, Ishikawa, Ryohko, Kano, Ryouhei, McKenzie, David E., Trujillo Bueno, Javier, Auchère, Frédéric, Rachmeler, Laurel A., Okamoto, Takenori J., Yoshida, Masaki, Kobayashi, Ken, Bethge, Christian, Hara, Hirohisa, Shinoda, Kazuya, Shimizu, Toshifumi, Suematsu, Yoshinori, De Pontieu, Bart, Winebarger, Amy, Narukage, Noriyuki, Kubo, Masahito, Sakao, Taro, Asensio Ramos, Andrés, Belluzzi, Luca, Štěpán, Jiří, Carlsson, Mats, del Pino Alemán, Tanausú, Alsina Ballester, Ernest, Vigil, Genevieve D. & Leenaarts, Jorrit, 2022, Solar Physics, 297, 135
7	Overview of Chromospheric Lyman-Alpha SpectroPolarimeter (CLASP) Narukage, Noriyuki, Tsuneta, Saku, Bando, Takamasa, Kano, Ryouhei, Kubo, Masahito, Ishikawa, Ryoko, Hara, Hirohisa, Suematsu, Yoshinori, Katsukawa, Yukio, Watanabe, Hiroko, Ichimoto, Kiyoshi, Sakao, Taro, Shimizu, Toshifumi, Kobayashi, Ken, Robinson, Brian, Kim, Tony, Winebarger, Amy, West, Edward, Cirtain, Jonathan, De Pontieu, Bart, Casini, Roberto, Trujillo Bueno, Javier, Stepan, Jiri, Manso Sainz, Rafael, Belluzzi, Luca, Asensio Ramos, Andres & Carlsson, Mats, 2011, Solar Physics and Space Weather Instrumentation IV (Editors: Fineschi, Silvano & Fennelly, Judy), Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, 8148, p. 81480H
7	Accurate modeling of the forward-scattering Hanle effect in the chromospheric Ca I 4227 Å line Belluzzi, Luca, Riva, Simone, Janett, Gioele, Guerreiro, Nuno, Riva, Fabio, Benedusi, Pietro, del Pino Alemán, Tanausú, Ballester, Ernest Alsina, Bueno, Javier Trujillo & Štěpán, Jiří, 2024, A&A, 691, A278
6	Three-dimensional simulations of scattering polarization and the Hanle effect in MHD chromospheric models Štěpán, J., 2015, Polarimetry (Editors: Nagendra, K. N., Bagnulo, Stefano, Centeno, Rebecca & Jes\'us Martinez González, Maria.), IAU Symposium, 305, p. 360
6	First Metis Detection of the Helium D3 Line Polarization in a Large Eruptive Prominence Heinzel, Petr, Jejčič, Sonja, Štěpán, Jiří, Susino, Roberto, Andretta, Vincenzo, Russano, Giuliana, Fineschi, Silvano, Romoli, Marco, Bemporad, Alessandro, Berlicki, Arkadiusz, Burtovoi, Aleksandr, Da Deppo, Vania, De Leo, Yara, Grimani, Catia, Jerse, Giovanna, Landini, Federico, Naletto, Giampiero, Nicolini, Gianalfredo, Pancrazzi, Maurizio, del Pino Alemán, Tanausú, Sasso, Clementina, Spadaro, Daniele, Stangalini, Marco, Telloni, Daniele, Teriaca, Luca, Uslenghi, Michela & Vicente Arévalo, Andrés, 2023, ApJ, 957, L10
4	Detection of a Magnetic Discontinuity in the Upper Solar Chromosphere Associated with a Coronal Loop Brightening Observed by CLASP2.1 Song, Donguk, Ishikawa, Ryohko, McKenzie, David E., Trujillo Bueno, Javier, Auchère, Frédéric, Kano, Ryouhei, Winebarger, Amy, Okamoto, Takenori J., Rachmeler, Laurel A., Kobayashi, Ken, Vigil, Genevieve D., Kobelski, Adam R., Bethge, Christian, Lim, Eun-Kyung, Belluzzi, Luca, Alsina Ballester, Ernest, del Pino Alemán, Tanausú & Štěpán, Jiří, 2025, ApJ, 978, 140
4	Spectropolarimetric observations of the solar atmosphere in the Hα 6563 Å line Jaume Bestard, J., Trujillo Bueno, J., Bianda, M., Štěpán, J. & Ramelli, R., 2022, A&A, 659, A179
3	A Statistical Inference Method for Interpreting the CLASP Observations Štěpán, J., Trujillo Bueno, J., Belluzzi, L., Asensio Ramos, A., Manso Sainz, R., del Pino Alemán, T., Casini, R., Kano, R., Winebarger, A., Auchère, 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., 2018, ApJ, 865, 48
3	Determining the Magnetic Field in the Atmosphere of a Solar Active Region Observed by the CLASP2.1 Sounding Rocket Experiment Ishikawa, Ryohko, Trujillo Bueno, Javier, McKenzie, David E., Song, Donguk, del Pino Alemán, Tanausú, Alsina Ballester, Ernest, Belluzzi, Luca, Li, Hao, Auchère, Frédéric, Bethge, Christian, De Pontieu, Bart, Kano, Ryouhei, Kobayashi, Ken, Kobelski, Adam R., Okamoto, Takenori J., Rachmeler, Laurel A., Sakao, Taro, Štěpán, Jiří, Vigil, Genevieve D. & Winebarger, Amy, 2025, ApJ, 990, 200
2	Determining the Magnetic Field of Active Region Plages Using the Whole CLASP2/2.1 Spectral Window Afonso Delgado, David, del Pino Alemán, Tanausú, Trujillo Bueno, Javier, Ishikawa, Ryohko, Alsina Ballester, Ernest, McKenzie, David E., Belluzzi, Luca, Bethge, Christian, Kobayashi, Ken, Okamoto, Takenori J., Rachmeler, Laurel A., Song, Donguk, Štěpán, Jiří, de Pontieu, Bart, Kobelski, Adam R., Vigil, Genevieve D., Auchère, Frédéric, Kano, Ryouhei & Winebarger, Amy, 2025, ApJ, 991, 164
2	Formation of polarized spectral lines in atmospheres with horizontal inhomogeneities Tichý, A., Štěpán, J., Trujillo Bueno, J. & Kubát, J., 2015, Polarimetry (Editors: Nagendra, K. N., Bagnulo, Stefano, Centeno, Rebecca & Jes\'us Martinez González, Maria.), IAU Symposium, 305, p. 401
2	A generalized √∊-law. The role of unphysical source terms in resonance line polarization transfer and its importance as an additional test of NLTE radiative transfer codes Stepán, J. & Bommier, V., 2007, A&A, 468, 797
2	The He I 10 830 Å line: Radiative transfer and differential illumination effects Vicente Arévalo, Andrés, Štěpán, Jiří, del Pino Alemán, Tanausú & Martínez González, María Jesús, 2023, A&A, 675, A45
2	Solar and Stellar Chromospheres Heinzel, Petr & Štěpán, Jiří, 2019, Radiative Signatures from the Cosmos (Editors: Werner, K., Stehle, C., Rauch, T. & Lanz, T.), Astronomical Society of the Pacific Conference Series, 519, p. 59
1	The uncertainty of magnetic fields in 3D non-local thermodynamic equilibrium inversions Štěpán, Jiří, del Pino Alemán, Tanausú & Vicente Arévalo, Andrés, 2025, A&A, 699, A73
1	Evaluating the Reliability of a Simple Method to Map the Magnetic Field Azimuth in the Solar Chromosphere Jurčák, Jan, Štěpán, Jiří & Trujillo Bueno, Javier, 2021, ApJ, 911, 23
0	ZIMPOL detects scattering polarization in He I D3 during a solar flare Vitali, Francesco, Francesco Battaglia, Andrea, Belluzzi, Luca, Berdyugina, Svetlana, Ramelli, Renzo, Štěpan, Jiří, Janett, Gioele & Riva, Fabio, 2026, A&A, 708, A57