Viggo Haraldson Hansteen
Professor
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Rosseland Centre for Solar Physics

Norwegian version of this page
Phone
+47 22856120
Username
Visiting address
Sem Sælands vei 13
0371 Oslo
Postal address
Postboks 1029
0315 Oslo
Academic interests
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Solar physics
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Numerical simulations/modeling and synthesis of observational data, from the photosphere to the corona.
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Observing the Sun from ground based telescopes, mainly the Swedish 1-metre Solar Telescope, and from space based satellites Hinode/EIS, IRIS, SDO.
Higher education and employment history
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Professor at the Institute of Theoretical Astrophysics, UiO from 1997
- Senior Researcher, Bay Area Environmental Research Institute, Palo Alto, from 2019
- Chair Kavli Prize Committee in Astrophysics from 2020
- Affiliate scientist, High Altitude Observatory, National Center of Atmospheric Research, Boulder CO from 2013
- Head of department, Institute of Theoretical Astrophysics 2013 - 2016
- Visiting professor, National Astronomical Observatory of Japan, Tokyo, Japan summer 2009
- Visiting Scientist, Mullard Space Science Lab., Holmsbury, Surrey, UK, summer 2002.
- Assistant Professor, Institute of Theoretical Astrophysics, University of Oslo 1995 - 1997
- Post-doc at High Altitude Observatory, National Center for Atmospheric Research, Boulder CO and Institute of Theoretical Astrophysics 1992 - 1995
- Dr. scient degree at the Institute of Theoretical Astrophysics, University of Oslo, Norway under the supervision of Professor Per Maltby. Thesis title “Non-Equilibrium Effects in Transition Region Physics” 1992
Awards
Arctowski Medal (nasoline.org), US National Academy of Sciences, 2017
Publications
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Parenti, Susanna; Chifu, Iulia; Del Zanna, Giulio; Edmondson, Justin; Giunta, Alessandra & Hansteen, Viggo H. [Show all 16 contributors for this article] (2021). Linking the Sun to the Heliosphere Using Composition Data and Modelling: A Test Case with a Coronal Jet. Space Science Reviews. ISSN 0038-6308. 217(8). doi: 10.1007/s11214-021-00856-1. Full text in Research Archive
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De Pontieu, Bart Walter; Polito, Vanessa; Hansteen, Viggo Haraldson; Testa, Paola; Reeves, Katharine K. & Antolin, Patrick [Show all 14 contributors for this article] (2021). A New View of the Solar Interface Region from the Interface Region Imaging Spectrograph (IRIS). Solar Physics. ISSN 0038-0938. 296. doi: 10.1007/s11207-021-01826-0. Full text in Research Archive
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Libbrecht, Tine; Bjørgen, Johan Pires; Leenaarts, Jorrit; de la Cruz Rodríguez, Jaime; Hansteen, Viggo Haraldson & Joshi, Jayant (2021). Line formation of He I D3 and He I 10 830 Å in a small-scale reconnection event. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 652. doi: 10.1051/0004-6361/202039788. Full text in Research Archive
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Chintzoglou, Georgios; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Hansteen, Viggo; de la Cruz Rodriguez, Jaime & Szydlarski, Mikolaj Marcin [Show all 10 contributors for this article] (2021). ALMA and IRIS Observations of the Solar Chromosphere. II. Structure and Dynamics of Chromospheric Plages. The Astrophysical Journal (ApJ). ISSN 0004-637X. 906(2). doi: 10.3847/1538-4357/abc9b0.
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Chintzoglou, Georgios; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Hansteen, Viggo; de la Cruz Rodriguez, Jaime & Szydlarski, Mikolaj Marcin [Show all 10 contributors for this article] (2021). ALMA and IRIS Observations of the Solar Chromosphere. I. An On-Disk Type II Spicule. The Astrophysical Journal (ApJ). ISSN 0004-637X. 906(2). doi: 10.3847/1538-4357/abc9b1.
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da Silva Santos, João Manuel; de la Cruz Rodriguez, Jaime; White, S. M.; Leenaarts, Jorrit; Vissers, Gregal Joan Maria & Hansteen, Viggo (2020). ALMA observations of transient heating in a solar active region. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 643. doi: 10.1051/0004-6361/202038755. Full text in Research Archive
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Martinez-Sykora, Juan; Szydlarski, Mikolaj Marcin; Hansteen, Viggo & De Pontieu, Bart Walter (2020). On the Velocity Drift between Ions in the Solar Atmosphere. The Astrophysical Journal (ApJ). ISSN 0004-637X. 900(2). doi: 10.3847/1538-4357/ababa3.
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Anderson, Mark; Appourchaux, T.; Auchère, Frédéric; Aznar Cuadrado, R.; Barbay, J. & Baudin, F. [Show all 89 contributors for this article] (2020). The Solar Orbiter SPICE instrument: An extreme UV imaging spectrometer. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 642. doi: 10.1051/0004-6361/201935574. Full text in Research Archive
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Polito, Vanessa; De Pontieu, Bart Walter; Testa, Paola; Brooks, David H. & Hansteen, Viggo (2020). IRIS Observations of the Low-atmosphere Counterparts of Active Region Outflows. The Astrophysical Journal (ApJ). ISSN 0004-637X. 903(1). doi: 10.3847/1538-4357/abba1d.
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Rouppe van der Voort, Luc; De Pontieu, Bart Walter; Carlsson, Mats; de la Cruz Rodriguez, Jaime; Bose, Souvik & Chintzoglou, Georgios [Show all 33 contributors for this article] (2020). High-resolution observations of the solar photosphere, chromosphere, and transition region: A database of coordinated IRIS and SST observations. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 641. doi: 10.1051/0004-6361/202038732. Full text in Research Archive
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Hilde, Janne Mykland; Hisdal, Jonny; Skjørten, Ingunn; Hansteen, Viggo; Melsom, Morten Nissen & Grøtta, Ole Jørgen [Show all 11 contributors for this article] (2020). Left ventricular dysfunction in COPD without pulmonary hypertension. PLOS ONE. ISSN 1932-6203. 15(7), p. 1–15. doi: 10.1371/journal.pone.0235075. Full text in Research Archive
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Kohutova, Petra; Antolin, Patrick; Popovas, Andrius; Szydlarski, Mikolaj Marcin & Hansteen, Viggo (2020). Self-consistent 3D radiative magnetohydrodynamic simulations of coronal rain formation and evolution. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 639. doi: 10.1051/0004-6361/202037899. Full text in Research Archive
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Martinez-Sykora, Juan; Leenarts, Jorrit; De Pontieu, Bart Walter; Nóbrega Siverio, Daniel Elias; Hansteen, Viggo & Carlsson, Mats [Show all 7 contributors for this article] (2020). Ion–neutral Interactions and Nonequilibrium Ionization in the Solar Chromosphere. The Astrophysical Journal (ApJ). ISSN 0004-637X. 889(2). doi: 10.3847/1538-4357/ab643f.
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Ortiz, Ada; Hansteen, Viggo; Nóbrega Siverio, Daniel Elias & Rouppe van der Voort, Luc (2020). Ellerman bombs and UV bursts: reconnection at different atmospheric layers. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 633(A58). doi: 10.1051/0004-6361/201936574. Full text in Research Archive
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De Pontieu, Bart Walter; Martinez-Sykora, Juan; Testa, Paola; Winebarger, Amy R.; Daw, Adrian N. & Hansteen, Viggo [Show all 8 contributors for this article] (2019). The Multi-slit Approach to Coronal Spectroscopy with the Multi-slit Solar Explorer (MUSE). The Astrophysical Journal (ApJ). ISSN 0004-637X. 888(1). doi: 10.3847/1538-4357/ab5b03. Full text in Research Archive
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Cheung, Mark C. M.; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Testa, Paola; Winebarger, Amy R. & Daw, Adrian N. [Show all 11 contributors for this article] (2019). Multi-component Decomposition of Astronomical Spectra by Compressed Sensing. The Astrophysical Journal (ApJ). ISSN 0004-637X. 882(1). doi: 10.3847/1538-4357/ab263d. Full text in Research Archive
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Carlsson, Mats; De Pontieu, Bart Walter & Hansteen, Viggo (2019). New View of the Solar Chromosphere. Annual Review of Astronomy and Astrophysics. ISSN 0066-4146. 57, p. 189–226. doi: 10.1146/annurev-astro-081817-052044.
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Martinez-Sykora, Juan; Hansteen, Viggo; Gudiksen, Boris Vilhelm; Carlsson, Mats; De Pontieu, Bart Walter & Gošić, Milan (2019). On the Origin of the Magnetic Energy in the Quiet Solar Chromosphere. The Astrophysical Journal (ApJ). ISSN 0004-637X. 878(1). doi: 10.3847/1538-4357/ab1f0b. Full text in Research Archive
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Hansteen, Viggo; Ortiz, Ada; Archontis, Vasilis; Carlsson, Mats; Mendes Domingos Pereira, Tiago & Bjørgen, Johan Pires (2019). Ellerman bombs and UV bursts: transient events in chromospheric current sheets. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 626. doi: 10.1051/0004-6361/201935376. Full text in Research Archive
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Cheung, M. C. M.; Rempel, M.; Chintzoglou, G.; Chen, F.; Testa, Paola & Martinez-Sykora, Juan [Show all 14 contributors for this article] (2019). A comprehensive three-dimensional radiative magnetohydrodynamic simulation of a solar flare. Nature Astronomy. ISSN 2397-3366. 3, p. 160–166. doi: 10.1038/s41550-018-0629-3.
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Bjørgen, Johan Pires; Sukhorukov, Andrii V.; Leenaarts, Jorrit; Carlsson, Mats; de la Cruz Rodriguez, Jaime & Scharmer, Göran B. [Show all 7 contributors for this article] (2018). Three-dimensional modeling of the Ca II H and K lines in the solar atmosphere. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 611:A62. doi: 10.1051/0004-6361/201731926. Full text in Research Archive
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Zacharias, Pia; Hansteen, Viggo; Leenaarts, Jorrit; Carlsson, Mats & Gudiksen, Boris Vilhelm (2018). Disentangling flows in the solar transition region. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 614. doi: 10.1051/0004-6361/201732055. Full text in Research Archive
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Mendes Domingos Pereira, Tiago; Rouppe van der Voort, Luc; Hansteen, Viggo & De Pontieu, Bart Walter (2018). Chromospheric counterparts of solar transition region unresolved fine structure loops. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 611. doi: 10.1051/0004-6361/201832762. Full text in Research Archive
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Skjørten, Ingunn; Mykland Hilde, Janne; Melsom, Morten Nissen; Hisdal, Jonny; Hansteen, Viggo & Steine, Kjetil [Show all 7 contributors for this article] (2018). Exercise capacity in COPD patients with exercise-induced pulmonary hypertension. The International Journal of Chronic Obstructive Pulmonary Disease. ISSN 1176-9106. 13, p. 3599–3610. doi: 10.2147/COPD.S161175. Full text in Research Archive
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Moreno-Insertis, F.; Hansteen, Viggo; Martinez-Sykora, Juan & Munoz, D. (2018). Small-scale Magnetic Flux Emergence in the Quiet Sun. Astrophysical Journal Letters. ISSN 2041-8205. 859(2). doi: 10.3847/2041-8213/aac648. Full text in Research Archive
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Martinez-Sykora, Juan; De Moortel, Ineke; De Pontieu, Bart Walter; Hansteen, Viggo & Carlsson, Mats (2018). Impact of Type II Spicules in the Corona: Simulations and Synthetic Observables. The Astrophysical Journal (ApJ). ISSN 0004-637X. 860(2). doi: 10.3847/1538-4357/aac2ca. Full text in Research Archive
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Rouppe van der Voort, Luc; De Pontieu, Bart Walter; Scharmer, G. B.; de la Cruz Rodriguez, Jaime; Martinez-Sykora, Juan & Nobrega-Siverio, Daniel [Show all 12 contributors for this article] (2017). Intermittent Reconnection and Plasmoids in UV Bursts in the Low Solar Atmosphere. Astrophysical Journal Letters. ISSN 2041-8205. 851(1). doi: 10.3847/2041-8213/aa99dd. Full text in Research Archive
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Guerreiro, Nuno Miguel Rodrigues; Haberreiter, M.; Hansteen, Viggo & Schmutz, W. (2017). Small-scale heating events in the solar atmosphere: II. Lifetime, total energy, and magnetic properties. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 603. doi: 10.1051/0004-6361/201629795. Full text in Research Archive
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Martinez-Sykora, Juan; De Pontieu, Bart Walter; Carlsson, Mats; Hansteen, Viggo; Nobrega-Siverio, Daniel & Gudiksen, Boris Vilhelm (2017). Two-dimensional Radiative Magnetohydrodynamic Simulations of Partial Ionization in the Chromosphere. II. Dynamics and Energetics of the Low Solar Atmosphere. The Astrophysical Journal (ApJ). ISSN 0004-637X. 847(1). doi: 10.3847/1538-4357/aa8866. Full text in Research Archive
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Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo; Rouppe van der Voort, Luc; Carlsson, Mats & Mendes Domingos Pereira, Tiago (2017). On the generation of solar spicules and Alfvenic waves. Science. ISSN 0036-8075. 356(6344), p. 1269–1272. doi: 10.1126/science.aah5412. Full text in Research Archive
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Hansteen, Viggo; Archontis, Vasilis; Mendes Domingos Pereira, Tiago; Carlsson, Mats; Rouppe van der Voort, Luc & Leenaarts, Jorrit (2017). Bombs and Flares at the Surface and Lower Atmosphere of the Sun. The Astrophysical Journal (ApJ). ISSN 0004-637X. 839(1). doi: 10.3847/1538-4357/aa6844. Full text in Research Archive
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Abbo, L.; Ofman, L.; Antiochos, S. K.; Hansteen, Viggo; Harra, L. & Ko, Y.-K. [Show all 12 contributors for this article] (2016). Slow Solar Wind: Observations and Modeling. Space Science Reviews. ISSN 0038-6308. 201(1-4), p. 55–108. doi: 10.1007/s11214-016-0264-1.
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Martinez-Sykora, Juan; De Pontieu, Bart Walter; Carlsson, Mats & Hansteen, Viggo (2016). On the Misalignment between Chromospheric Features and the Magnetic Field on the Sun. Astrophysical Journal Letters. ISSN 2041-8205. 831(1). doi: 10.3847/2041-8205/831/1/L1.
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Testa, Paola; De Pontieu, Bart Walter & Hansteen, Viggo (2016). High Spatial Resolution Fe XII Observations of Solar Active Regions. The Astrophysical Journal (ApJ). ISSN 0004-637X. 827(2). doi: 10.3847/0004-637X/827/2/99.
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Kato, Yoshiaki; Steiner, Oskar; Hansteen, Viggo; Gudiksen, Boris Vilhelm; Wedemeyer, Sven & Carlsson, Mats (2016). Chromospheric and Coronal Wave Generation in a Magnetic Flux Sheath. The Astrophysical Journal (ApJ). ISSN 0004-637X. 827(1). doi: 10.3847/0004-637X/827/1/7.
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Ortiz, Ada; Hansteen, Viggo; Bellot Rubio, L. R.; de la Cruz Rodriguez, Jaime; De Pontieu, Bart Walter & Carlsson, Mats [Show all 7 contributors for this article] (2016). Emergence of Granular-Sized Magnetic Bubbles through the Solar Atmosphere. III. The Path to the Transition Region. The Astrophysical Journal (ApJ). ISSN 0004-637X. 825(2). doi: 10.3847/0004-637X/825/2/93. Full text in Research Archive
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Mykland Hilde, Janne; Skjørten, Ingunn; Hansteen, Viggo; Melsom, Morten Nissen; Atar, Dan & Hisdal, Jonny [Show all 8 contributors for this article] (2016). Assessment of right ventricular afterload in COPD. COPD: Journal of Chronic Obstructive Pulmonary Disease. ISSN 1541-2555. 13(2), p. 176–185. doi: 10.3109/15412555.2015.1057275.
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Chatterjee, Piyali; Hansteen, Viggo & Carlsson, Mats (2016). Modeling Repeatedly Flaring δ Sunspots. Physical Review Letters. ISSN 0031-9007. 116(10). doi: 10.1103/PhysRevLett.116.101101. Full text in Research Archive
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Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo & Gudiksen, Boris Vilhelm (2016). TIME DEPENDENT NONEQUILIBRIUM IONIZATION of TRANSITION REGION LINES OBSERVED with IRIS. The Astrophysical Journal (ApJ). ISSN 0004-637X. 817(1). doi: 10.3847/0004-637X/817/1/46. Full text in Research Archive
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Carlsson, Mats; Hansteen, Viggo; Gudiksen, Boris Vilhelm; Leenaarts, Jorrit & De Pontieu, Bart Walter (2016). A publicly available simulation of an enhanced network region of the Sun. Astronomy and Astrophysics (A & A). ISSN 0004-6361. 585:A4. doi: 10.1051/0004-6361/201527226. Full text in Research Archive
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Guerreiro, Nuno Miguel Rodrigues; Haberreiter, M.; Hansteen, Viggo & Schmutz, W (2015). Small-scale Heating Events in the Solar Atmosphere. I. Identification, Selection, and Implications for Coronal Heating. The Astrophysical Journal (ApJ). ISSN 0004-637X. 813(1). doi: 10.1088/0004-637X/813/1/61. Full text in Research Archive
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Hansteen, Viggo; Carlsson, Mats & Gudiksen, Boris Vilhelm (2015). Numerical Modeling of the Solar Chromosphere and Corona: What Has Been Done? What Should Be Done? Astronomical Society of the Pacific Conference Series. ISSN 1050-3390. 498, p. 141–146.
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Martinez-Sykora, Juan; Rouppe, Van Der Voort Luc; Carlsson, Mats; De Pontieu, Bart Walter; Mendes Domingos Pereira, Tiago & Boerner, P. [Show all 21 contributors for this article] (2015). Internetwork Chromospheric Bright Grains Observed with IRIS and SST. The Astrophysical Journal (ApJ). ISSN 0004-637X. 803(1). doi: 10.1088/0004-637X/803/1/44. Full text in Research Archive
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Hansteen, Viggo; Guerreiro, Nuno Miguel Rodrigues; De Pontieu, Bart Walter & Carlsson, Mats (2015). NUMERICAL SIMULATIONS of CORONAL HEATING THROUGH FOOTPOINT BRAIDING. The Astrophysical Journal (ApJ). ISSN 0004-637X. 811(2). doi: 10.1088/0004-637X/811/2/106. Full text in Research Archive
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de la Cruz Rodriguez, Jaime; Hansteen, Viggo; Bellot-Rubio, Luis & Ortiz, Ada (2015). EMERGENCE of GRANULAR-SIZED MAGNETIC BUBBLES THROUGH the SOLAR ATMOSPHERE. II. NON-LTE CHROMOSPHERIC DIAGNOSTICS and INVERSIONS. The Astrophysical Journal (ApJ). ISSN 0004-637X. 810(2). doi: 10.1088/0004-637X/810/2/145. Full text in Research Archive
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Mendes Domingos Pereira, Tiago; Carlsson, Mats; De Pontieu, Bart Walter & Hansteen, Viggo (2015). THE FORMATION of IRIS DIAGNOSTICS. IV. the Mg ii TRIPLET LINES AS A NEW DIAGNOSTIC FOR LOWER CHROMOSPHERIC HEATING. The Astrophysical Journal (ApJ). ISSN 0004-637X. 806(1). doi: 10.1088/0004-637X/806/1/14. Full text in Research Archive
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Hansteen, Viggo; Carlsson, Mats & Gudiksen, Boris Vilhelm (2015). IRIS observations and 3D `realistic' MHD models of the solar chromosphere. In Cenarro, A. J.; Figueras, F.; Hernández-Monteagudo, C.; Trujillo Bueno, J. & Valdivielso, L. (Ed.), Highlights of Spanish Astrophysics VIII, Proceedings of the XI Scientific Meeting of the Spanish Astronomical Society (SEA) held in Teruel, September 8-12, 2014. Sociedad Española de Astronomía. ISSN 978-84-606-8760-3. p. 19–28.
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Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo & Carlsson, Mats (2015). The role of partial ionization effects in the chromosphere. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. ISSN 1364-503X. 373(2042). doi: 10.1098/rsta.2014.0268.
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Olluri, Kosovare; Gudiksen, Boris Vilhelm; Hansteen, Viggo & De Pontieu, Bart Walter (2015). Synthesized spectra of optically thin emission lines produced by the Bifrost stellar atmosphere code, including nonequilibrium ionization effects: A study of the intensity, nonthermal line widths, and Doppler shifts. The Astrophysical Journal (ApJ). ISSN 0004-637X. 802(1). doi: 10.1088/0004-637X/802/1/5. Full text in Research Archive
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Cheung, Mark C. M.; De Pontieu, Bart Walter; Tarbell, Theodore D.; Fu, Y.; Tian, H. & Testa, Paola [Show all 21 contributors for this article] (2015). Homologous helical jets: Observations by IRIS, SDO, and Hinode and magnetic modeling with data-driven simulations. The Astrophysical Journal (ApJ). ISSN 0004-637X. 801(2). doi: 10.1088/0004-637X/801/2/83. Full text in Research Archive
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Rouppe, Van Der Voort Luc; De Pontieu, Bart Walter; Mendes Domingos Pereira, Tiago; Carlsson, Mats & Hansteen, Viggo (2015). Heating signatures in the disk counterparts of solar spicules in interface region imaging spectrograph observations. Astrophysical Journal Letters. ISSN 2041-8205. 799(1). doi: 10.1088/2041-8205/799/1/L3. Full text in Research Archive
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Peter, H.; Tian, H.; Curdt, W.; Schmit, D.; Innes, D. & De Pontieu, Bart Walter [Show all 23 contributors for this article] (2014). Hot explosions in the cool atmosphere of the Sun. Science. ISSN 0036-8075. 346(6207). doi: 10.1126/science.1255726.
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Tian, H.; DeLuca, E.E.; Cranmer, S.R.; De Pontieu, Bart Walter; Peter, H. & Martinez-Sykora, Juan [Show all 27 contributors for this article] (2014). Prevalence of small-scale jets from the networks of the solar transition region and chromosphere. Science. ISSN 0036-8075. 346(6207). doi: 10.1126/science.1255711.
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Testa, Paola; De Pontieu, Bart Walter; Allred, J.; Carlsson, Mats; Reale, F. & Daw, A. [Show all 24 contributors for this article] (2014). Evidence of nonthermal particles in coronal loops heated impulsively by nanoflares. Science. ISSN 0036-8075. 346(6207). doi: 10.1126/science.1255724.
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De Pontieu, Bart Walter; Rouppe, Van Der Voort Luc; McIntosh, S.W.; Pereira, Tiago Mendes Domingos; Carlsson, Mats & Hansteen, Viggo [Show all 24 contributors for this article] (2014). On the prevalence of small-scale twist in the solar chromosphere and transition region. Science. ISSN 0036-8075. 346(6207). doi: 10.1126/science.1255732.
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Hansteen, Viggo; De Pontieu, Bart Walter; Carlsson, Mats; Lemen, James R.; Title, Alan M. & Boerner, Paul F.X. [Show all 21 contributors for this article] (2014). The unresolved fine structure resolved: IRIS observations of the solar transition region. Science. ISSN 0036-8075. 346(6207). doi: 10.1126/science.1255757.
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Pereira, Tiago Mendes Domingos; De Pontieu, Bart Walter; Carlsson, Mats; Hansteen, Viggo; Tarbell, T.D. & Lemen, J. [Show all 20 contributors for this article] (2014). An interface region imaging spectrograph first view on solar spicules. Astrophysical Journal Letters. ISSN 2041-8205. 792(1). doi: 10.1088/2041-8205/792/1/L15. Full text in Research Archive
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Kleint, L.; Antolin, Patrick; Tian, H; Judge, Philip G.; Testa, Paola & De Pontieu, Bart Walter [Show all 21 contributors for this article] (2014). Detection of supersonic downflows and associated heating events in the transition region above sunspots. Astrophysical Journal Letters. ISSN 2041-8205. 789(2). doi: 10.1088/2041-8205/789/2/L42. Full text in Research Archive
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Archontis, Vasilis & Hansteen, Viggo (2014). CLUSTERS OF SMALL ERUPTIVE FLARES PRODUCED BY MAGNETIC RECONNECTION IN THE SUN. Astrophysical Journal Letters. ISSN 2041-8205. 788(1). doi: 10.1088/2041-8205/788/1/L2. Full text in Research Archive
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Tian, H; DeLuca, E.; Reeves, K. K.; McKillop, S.; De Pontieu, Bart Walter & Martinez-Sykora, Juan [Show all 23 contributors for this article] (2014). HIGH-RESOLUTION OBSERVATIONS OF THE SHOCK WAVE BEHAVIOR FOR SUNSPOT OSCILLATIONS WITH THE INTERFACE REGION IMAGING SPECTROGRAPH. The Astrophysical Journal (ApJ). ISSN 0004-637X. 786(2). doi: 10.1088/0004-637X/786/2/137. Full text in Research Archive
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De Pontieu, Bart Walter; Title, A. M.; Lemen, J. R.; Kushner, G. D.; Akin, D. J. & Allard, B. [Show all 88 contributors for this article] (2014). The Interface Region Imaging Spectrograph (IRIS). Solar Physics. ISSN 0038-0938. 289(7), p. 2733–2779. doi: 10.1007/s11207-014-0485-y.
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Ortiz , Ada; Bellot Rubio, L. R.; Hansteen, Viggo; de la Cruz Rodriguez, Jaime & Rouppe, Van Der Voort Luc (2014). EMERGENCE OF GRANULAR-SIZED MAGNETIC BUBBLES THROUGH THE SOLAR ATMOSPHERE. I. SPECTROPOLARIMETRIC OBSERVATIONS AND SIMULATIONS. The Astrophysical Journal (ApJ). ISSN 0004-637X. 781(2). doi: 10.1088/0004-637X/781/2/126. Full text in Research Archive
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Hilde, Janne Mykland; skjørten, i; Grøtta, Ole Jørgen; Hansteen, Viggo; Melsom, Morten Nissen & Hisdal, J [Show all 8 contributors for this article] (2013). Right ventricular dysfunction and remodelling in chronic obstructive pulmonary disease without pulmonary hypertension. Journal of the American College of Cardiology. ISSN 0735-1097. 17. doi: 10.1016/j.jacc.2013.04.091.
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Skjørten, Ingunn; Hilde, Janne Mykland; Melsom, Morten Nissen; Hansteen, Viggo; Steine, Kjetil & Hummerfelt, S (2013). pulmonary artery pressure and Pa=2 in chronic obstructive pulmonary disease. Respiratory Medicine. ISSN 0954-6111. 107, p. 1271–1279. doi: 10.1016/j.rmed.2013.03.021.
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Hansteen, Viggo Haraldson (2021). Heating the outer layers of the Sun: braiding, flux emergence, and episodic events.
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Hansteen, Viggo Haraldson (2021). Flux emergence in the Quiet Sun and its implications for chromospheric/coronal heating.
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Hansteen, Viggo Haraldson (2021). Numeriske Modeller av Sola . Astronomi. ISSN 0802-7587. p. 24–24.
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Hansteen, Viggo (2020). IRIS: heating of the solar chromosphere, Ellerman Bombs and UV bursts.
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Hansteen, Viggo (2019). EBs and UV-bursts: reconnection at different heights in the solar atmosphere .
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Hansteen, Viggo (2019). Ellerman Bombs and UV bursts - observations.
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Hansteen, Viggo (2019). Ellerman Bombs and UV bursts, numerical simulations and IRIS observations.
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Hansteen, Viggo (2019). Ellerman Bombs and UV bursts, reconnection at different heights in the chromosphere?
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Hansteen, Viggo (2019). Ellerman Bombs and UV-bursts, a result of flux emergence.
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Hansteen, Viggo (2019). Ellerman bombs and UV bursts in the solar chromosphere.
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Hansteen, Viggo (2019). The FIP effect in the Chromosphere, Transition Region, Corona, and Solar Wind.
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Kohutova, Petra; Antolin, Patrick; Popovas, Andrius; Szydlarski, Mikolaj Marcin & Hansteen, Viggo (2019). 3D radiative MHD simulations of coronal rain formation and evolution.
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Hansteen, Viggo (2018). Ellerman bombs and UV bursts: reconnection at different atmospheric layers?
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Hansteen, Viggo (2018). Ellerman bombs and UV bursts: reconnection at different atmospheric layers?
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Hansteen, Viggo (2018). Modeling chromospheric heating and dynamics: What do we understand?
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Hansteen, Viggo (2018). Chromospheric Dynamics and Heating Processes Ion-Neutral Effects in the Solar Chromosphere and Type II Spicules.
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Hansteen, Viggo (2018). Ion neutral effects in the solar chromosphere and type II spicules.
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Hansteen, Viggo (2018). The Heating of the Solar Chromosphere and Corona, What can "realistic" 3D Numerical Models teach us?
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Hansteen, Viggo (2018). Mass and energy flows between the solar chromosphere, transition region and corona.
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Mendes Domingos Pereira, Tiago; Carlsson, Mats; De Pontieu, Bart Walter & Hansteen, Viggo (2015). The Mg II lines as a diagnostic for heating in the lower chromosphere.
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Carlsson, Mats & Hansteen, Viggo (2015). Vær og uvær på sola.
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Hansteen, Viggo (2014). Heating of the upper chromosphere, transition region and corona.
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Hansteen, Viggo (2014). Energy transport in the transition region and lower solar corona.
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Hansteen, Viggo (2014). IRIS observations and 'realistic' 3D models of the solar chromosphere.
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Hansteen, Viggo (2014). IRIS Observations of transition region 'unresolved fine structure'.
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Hansteen, Viggo (2014). 'Realistic' 3D simulations of a small flare resulting from flux emergence.
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Hansteen, Viggo (2014). Numerical modeling of the solar chromosphere and corona; what has been done? what should be done?
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Hansteen, Viggo (2014). Numerical modeling of the outer solar atmosphere, with some examples from IRIS observations.
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Hansteen, Viggo (2014). Simulating the transition region and corona: magnetic heating of the outer solar atmosphere.
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Hansteen, Viggo (2014). Numerical modeling of the chromosphere and corona; what has been done? what should be done?
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Kato, Yoshiaki; Steiner, Oskar; Hansteen, Viggo; Carlsson, Mats & Gudiksen, Boris Vilhelm (2014). Chromospheric and Corona Wave Generation in Flux Tubes.
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Kato, Yoshiaki; De Pontieu, Bart Walter; Martinez-Sykora, J.; Hansteen, Viggo; Pereira, Tiago Mendes Domingos & Leenaarts, Jorritt [Show all 7 contributors for this article] (2014). Measuring energy flux of magneto-acoustic wave in the magnetic elements by using IRIS. Show summary
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Hilde, J.M.; Hisdal, Jonny; Melsom, Morten Nissen; Hansteen, Viggo; Seljeflot, Ingebjørg & Arnesen, Harald [Show all 7 contributors for this article] (2013). Reduced systemic arterial compliance and subclinical LV systolic dysfunction in COPD. European Heart Journal. ISSN 0195-668X. 34, p. 296–296.
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Hansteen, Viggo; Carlsson, Mats & De Pontieu, Bart Walter (2013). IRIS observations of transition region 'unresolved fine structure'.
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Carlsson, Mats & Hansteen, Viggo (2013). Hva er nytt på sola?
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Carlsson, Mats & Hansteen, Viggo (2013). Public release of Bifrost simulations.
Published Nov. 3, 2010 3:20 PM
- Last modified Apr. 19, 2022 1:39 PM