Viggo Hansteen

Image of Viggo Hansteen
Norwegian version of this page
Email viggo.hansteen@astro.uio.no
Phone +47 22856120
Username
Visiting address Sem Sælands vei 13 0371 OSLO
Postal address Postboks 1029 0315 OSLO

Academic interests

  • Solar physics

  • Numerical simulations/modeling and synthesis of observational data, from the photosphere to the corona

  • 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

  • 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

Tags: Astronomy and Astrophysics, Solar Physics

Publications

  • Anderson, Mark; Appourchaux, T.; Auchère, Frédéric; Aznar Cuadrado, R.; Barbay, J.; Baudin, F.; Beardsley, S.; Bocchialini, Karine; Borgo, B.; Bruzzi, D.; Buchlin, E.; Burton, G.; Büchel, V.; Caldwell, M.; Caminade, S.; Carlsson, Mats; Curdt, W.; Davenne, J.; Davila, J.; DeForest, C. E.; Del Zanna, Giulio; Drummond, D.; Dubau, J.; Dumesnil, C.; Dunn, G.; Eccleston, P.; Fludra, A.; Fredvik, Terje; Gabriel, A.; Giunta, A.; Gottwald, A.; Griffin, D.; Grundy, T.; Guest, S.; Gyo, M.; Haberreiter, M.; Hansteen, Viggo; Harrison, R.; Hassler, D. M.; Haugan, Stein Vidar Hagfors; Howe, C.; Janvier, M.; Klein, R.; Koller, S.; Kucera, T. A.; Kouliche, D.; Marsch, E.; Marshall, A.; Marshall, G.; Matthews, Sharon A.; McQuirk, C.; Meining, S.; Mercier, C.; Morris, N.; Morse, T.; Munro, G.; Parenti, S.; Pastor-Santos, C.; Peter, H.; Pfiffner, D.; Phelan, P.; Philippon, A.; Richards, A.; Rogers, K.; Sawyer, C.; Schlatter, P.; Schmutz, W.; Schüle, U.; Shaughnessy, B.; Sidher, S.; Solanki, Sami K.; Speight, R.; Spescha, M.; Szwec, N.; Tamiatto, C.; Teriaca, L.; Thompson, W.; Tosh, I.; Tustain, S.; Vial, J.-C.; Walls, B.; Waltham, N.; Wimmer-Schweingruber, Robert F.; Woodward, S.; Young, P.; De Groof, A.; Pacros, A.; Williams, D. & Müller, Daniel (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.
  • 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.
  • Hilde, Janne Mykland; Hisdal, Jonny; Skjørten, Ingunn; Hansteen, Viggo; Melsom, Morten Nissen; Grøtta, Ole Jørgen; Småstuen, Milada Cvancarova; Seljeflot, Ingebjørg; Arnesen, Harald; Hummerfeldt, Sjur & Steine, Kjetil (2020). Left ventricular dysfunction in COPD without pulmonary hypertension. PLOS ONE.  ISSN 1932-6203.  15(7), s 1- 15 . doi: 10.1371/journal.pone.0235075 Full text in Research Archive.
  • 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.
  • Martinez-Sykora, Juan; Leenarts, Jorrit; De Pontieu, Bart Walter; Nóbrega Siverio, Daniel Elias; Hansteen, Viggo; Carlsson, Mats & Szydlarski, Mikolaj Marcin (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
  • 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
  • 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.
  • 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
  • Rouppe van der Voort, Luc; De Pontieu, Bart Walter; Carlsson, Mats; de la Cruz Rodriguez, Jaime; Bose, Souvik; Chintzoglou, Georgios; Drews, Ainar; Froment, Clara; Gošić, Milan; Graham, David R.; Hansteen, Viggo; de Jorge Henriques, Vasco Manuel; Jafarzadeh, Shahin; Joshi, Jayant; Kleint, Lucia; Kohutova, Petra; Leifsen, Torben; Martinez-Sykora, Juan; Nóbrega Siverio, Daniel Elias; Ortiz, Ada; Mendes Domingos Pereira, Tiago; Popovas, Andrius; Quintero Noda, Carlos; Sainz Dalda, Alberto; Scharmer, Göran B.; Schmit, Donald; Scullion, Eamon; Skogsrud, Håkon; Szydlarski, Mikolaj Marcin; Timmons, R.; Vissers, Gregal Joan Maria; Woods, M. M. & Zacharias, Pia (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.
  • 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, s 189- 226 . doi: 10.1146/annurev-astro-081817-052044
  • Cheung, M. C. M.; Rempel, M.; Chintzoglou, G.; Chen, F.; Testa, Paola; Martinez-Sykora, Juan; Sainz Dalda, Alberto; DeRosa, M. L.; Malanushenko, A.; Hansteen, Viggo; De Pontieu, Bart Walter; Carlsson, Mats; Gudiksen, Boris Vilhelm & McIntosh, Scott (2019). A comprehensive three-dimensional radiative magnetohydrodynamic simulation of a solar flare. Nature Astronomy.  ISSN 2397-3366.  3, s 160- 166 . doi: 10.1038/s41550-018-0629-3
  • Cheung, Mark C. M.; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Testa, Paola; Winebarger, Amy R.; Daw, Adrian N.; Hansteen, Viggo; Antolin, Patrick; Tarbell, Theodore D.; Wüelser, Jean Pierre & Young, Peter (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.
  • De Pontieu, Bart Walter; Martinez-Sykora, Juan; Testa, Paola; Winebarger, Amy R.; Daw, Adrian N.; Hansteen, Viggo; Cheung, Mark C. M. & Antolin, Patrick (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.
  • 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.
  • 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.
  • Bjørgen, Johan Pires; Sukhorukov, Andrii V.; Leenaarts, Jorrit; Carlsson, Mats; de la Cruz Rodriguez, Jaime; Scharmer, Göran B. & Hansteen, Viggo (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.
  • 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.
  • 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.
  • 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.
  • Skjørten, Ingunn; Mykland Hilde, Janne; Melsom, Morten Nissen; Hisdal, Jonny; Hansteen, Viggo; Steine, Kjetil & Hummerfeldt, Sjur (2018). Exercise capacity in COPD patients with exercise-induced pulmonary hypertension. The International Journal of Chronic Obstructive Pulmonary Disease.  ISSN 1176-9106.  13, s 3599- 3610 . doi: 10.2147/COPD.S161175 Full text in Research Archive.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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), s 1269- 1272 . doi: 10.1126/science.aah5412 Full text in Research Archive.
  • Rouppe van der Voort, Luc; De Pontieu, Bart Walter; Scharmer, G. B.; de la Cruz Rodriguez, Jaime; Martinez-Sykora, Juan; Nobrega-Siverio, Daniel; Guo, L. J.; Jafarzadeh, Shahin; Mendes Domingos Pereira, Tiago; Hansteen, Viggo; Carlsson, Mats & Vissers, Gregal Joan Maria (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.
  • Abbo, L.; Ofman, L.; Antiochos, S. K.; Hansteen, Viggo; Harra, L.; Ko, Y.-K.; Lapenta, G.; Li, B.; Riley, P.; Strachan, L.; von Steiger, R. & Wang, Y.-M. (2016). Slow Solar Wind: Observations and Modeling. Space Science Reviews.  ISSN 0038-6308.  201(1-4), s 55- 108 . doi: 10.1007/s11214-016-0264-1
  • 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.
  • 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.
  • 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
  • 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
  • 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.
  • Mykland Hilde, Janne; Skjørten, Ingunn; Hansteen, Viggo; Melsom, Morten Nissen; Atar, Dan; Hisdal, Jonny; Hummerfeldt, Sjur & Steine, Kjetil (2016). Assessment of right ventricular afterload in COPD. COPD: Journal of Chronic Obstructive Pulmonary Disease.  ISSN 1541-2555.  13(2), s 176- 185 . doi: 10.3109/15412555.2015.1057275
  • Ortiz, Ada; Hansteen, Viggo; Bellot Rubio, L. R.; de la Cruz Rodriguez, Jaime; De Pontieu, Bart Walter; Carlsson, Mats & Rouppe, Van Der Voort Luc (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.
  • 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
  • Cheung, Mark C. M.; De Pontieu, Bart Walter; Tarbell, Theodore D.; Fu, Y.; Tian, H.; Testa, Paola; Reeves, K. K.; Martinez-Sykora, Juan; Boerner, P.; Wulser, J. P.; Lemen, J.; Title, Alan M.; Hurlburt, N.; Kleint, L.; Kankelborg, C.; Jaeggli, S.; Golub, L.; McKillop, S.; Saar, S.; Carlsson, Mats & Hansteen, Viggo (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.
  • 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.
  • 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.
  • Hansteen, Viggo; Carlsson, Mats & Gudiksen, Boris Vilhelm (2015). IRIS observations and 3D `realistic' MHD models of the solar chromosphere, In A. J. Cenarro; F. Figueras; C. Hernández-Monteagudo; J. Trujillo Bueno & L. Valdivielso (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.  ISBN 978-84-606-8760-3.  Kapittel.  s 19 - 28
  • 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, s 141- 146
  • 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.
  • 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
  • Martinez-Sykora, Juan; Rouppe, Van Der Voort Luc; Carlsson, Mats; De Pontieu, Bart Walter; Mendes Domingos Pereira, Tiago; Boerner, P.; Hurlburt, N.; Kleint, Lucia; Lemen, J.; Tarbell, Ted D.; Title, A.; Wüelser, Jean Pierre; Hansteen, Viggo; Golub, Leon; McKillop, S.; Reeves, K. K.; Saar, S.; Testa, Paola; Tian, Hui; Jaeggli, S. & Kankelborg, C. (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.
  • 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.
  • 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.
  • 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.
  • De Pontieu, Bart Walter; Title, A. M.; Lemen, J. R.; Kushner, G. D.; Akin, D. J.; Allard, B.; Berger, Thomas; Boerner, P.; Cheung, M; Chou, C; Drake, J. F.; Duncan, D. W.; Freeland, S.; Heyman, G. F.; Hoffman, C.; Hurlburt, N. E.; Lindgren, R. W.; Mathur, D.; Rehse, R.; Sabolish, D.; Seguin, R.; Schrijver, C. J.; Tarbell, T.D.; Wülser, J.-P.; Wolfson, C. J.; Yanari, C.; Mudge, J.; Nguyen-Phuc, N.; Timmons, R.; van Bezooijen, R.; Weingrod, I.; Brookner, R.; Butcher, G.; Dougherty, B.; Eder, J.; Knagenhjelm, V.; Larsen, S.; Mansir, D.; Phan, L.; Boyle, P.; Cheimets, P. N.; DeLuca, E.E.; Golub, L.; Gates, R.; Hertz, E.; McKillop, S.; Park, S.; Perry, T.; Podgorski, W. A.; Reeves, K.; Saar, S.; Testa, Paola; Tian, Hui; Weber, M.; Dunn, C.; Eccles, S.; Jaeggli, S. A.; Kankelborg, C. C.; Mashburn, K.; Pust, N.; Springer, L.; Carvalho, R.; Kleint, L.; Marmie, J.; Mazmanian, E.; Pereira, Tiago Mendes Domingos; Sawyer, S.; Strong, J.; Worden, S. P.; Carlsson, Mats; Hansteen, Viggo; Leenaarts, Jorrit; Wiesmann, Martin; Aloise, J.; Chu, K.-C.; Bush, R. I.; Scherrer, P. H.; Brekke, Pål; Martinez-Sykora, J.; Lites, B.W.; McIntosh, S.W.; Uitenbroek, H.; Okamoto, T. J.; Gummin, M. A.; Auker, G.; Jerram, P.; Pool, P. & Waltham, N. (2014). The Interface Region Imaging Spectrograph (IRIS). Solar Physics.  ISSN 0038-0938.  289(7), s 2733- 2779 . doi: 10.1007/s11207-014-0485-y
  • Kleint, L.; Antolin, Patrick; Tian, H; Judge, Philip G.; Testa, Paola; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Reeves, K. K.; Wuelser, J. P.; McKillop, S.; Saar, S.; Carlsson, Mats; Boerner, P.; Hurlburt, N.; Lemen, J.; Tarbell, T.D.; Title, A.; Golub, L.; Hansteen, Viggo; Jaeggli, S. & Kankelborg, C. (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.
  • Tian, H; DeLuca, E.; Reeves, K. K.; McKillop, S.; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Carlsson, Mats; Hansteen, Viggo; Kleint, L.; Cheung, M; Golub, L.; Saar, S.; Testa, Paola; Weber, M.; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Tarbell, T.D.; Wuelser, J. P.; Kankelborg, C.; Jaeggli, S. & McIntosh, S.W. (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.
  • 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.
  • De Pontieu, Bart Walter; Rouppe, Van Der Voort Luc; McIntosh, S.W.; Pereira, Tiago Mendes Domingos; Carlsson, Mats; Hansteen, Viggo; Skogsrud, Håkon; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Tarbell, T.D.; Wuelser, J. P.; De Luca, E. E.; Golub, L.; McKillop, S.; Reeves, K.; Saar, S.; Testa, Paola; Tian, H.; Kankelborg, C.; Jaeggli, S.; Kleint, L. & Martinez-Sykora, Juan (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
  • Hansteen, Viggo; De Pontieu, Bart Walter; Carlsson, Mats; Lemen, James R.; Title, Alan M.; Boerner, Paul F.X.; Hurlburt, Neal E.; Tarbell, Theodore D.; Wüelser, Jean Pierre; Pereira, Tiago Mendes Domingos; De Luca, Edward E.; Golub, Leon; McKillop, Sean C.; Reeves, Katharine K.; Saar, Steven H.; Testa, Paola; Tian, Hui; Kankelborg, Charles C.; Jaeggli, Sarah A.; Kleint, Lucia & Martinez-Sykora, Juan (2014). The unresolved fine structure resolved: IRIS observations of the solar transition region. Science.  ISSN 0036-8075.  346(6207) . doi: 10.1126/science.1255757
  • 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.
  • Pereira, Tiago Mendes Domingos; De Pontieu, Bart Walter; Carlsson, Mats; Hansteen, Viggo; Tarbell, T.D.; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Wulser, J. P.; Martinez-Sykora, Juan; Kleint, L.; Golub, L.; McKillop, S.; Reeves, K. K.; Saar, S.; Testa, Paola; Tian, H; Jaeggli, S. & Kankelborg, C. (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.
  • Peter, H.; Tian, H.; Curdt, W.; Schmit, D.; Innes, D.; De Pontieu, Bart Walter; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Tarbell, T.D.; Wuelser, J. P.; Martinez-Sykora, Juan; Kleint, L.; Golub, L.; McKillop, S.; Reeves, K. K.; Saar, S.; Testa, Paola; Kankelborg, C.; Jaeggli, S.; Carlsson, Mats & Hansteen, Viggo (2014). Hot explosions in the cool atmosphere of the Sun. Science.  ISSN 0036-8075.  346(6207) . doi: 10.1126/science.1255726
  • Testa, Paola; De Pontieu, Bart Walter; Allred, J.; Carlsson, Mats; Reale, F.; Daw, A.; Hansteen, Viggo; Martinez-Sykora, Juan; Liu, W.; DeLuca, E.E.; Golub, L.; McKillop, S.; Reeves, K.; Saar, S.; Tian, H.; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Tarbell, T.D.; Wuelser, J. P.; Kleint, L.; Kankelborg, C. & Jaeggli, S. (2014). Evidence of nonthermal particles in coronal loops heated impulsively by nanoflares. Science.  ISSN 0036-8075.  346(6207) . doi: 10.1126/science.1255724
  • Tian, H.; DeLuca, E.E.; Cranmer, S.R.; De Pontieu, Bart Walter; Peter, H.; Martinez-Sykora, Juan; Golub, L.; McKillop, S.; Reeves, K. K.; Miralles, M. P.; McCauley, P.; Saar, S.; Testa, Paola; Weber, M.; Murphy, N.; Lemen, J.; Title, A.; Boerner, P.; Hurlburt, N.; Tarbell, T.D.; Wuelser, J. P.; Kleint, L.; Kankelborg, C.; Jaeggli, S.; Carlsson, Mats; Hansteen, Viggo & McIntosh, S.W. (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
  • Martinez-Sykora, Juan; De Pontieu, Bart Walter; Leenaarts, Jorrit; Pereira, Tiago Mendes Domingos; Carlsson, Mats; Hansteen, Viggo; Stern, J. V.; Tian, H; McIntosh, S.W. & Rouppe, Van Der Voort Luc (2013). A DETAILED COMPARISON BETWEEN THE OBSERVED AND SYNTHESIZED PROPERTIES OF A SIMULATED TYPE II SPICULE. The Astrophysical Journal (ApJ).  ISSN 0004-637X.  771(1) . doi: 10.1088/0004-637X/771/1/66 Full text in Research Archive.
  • Winebarger, A. R.; Walsh, R. W.; Moore, R; De Pontieu, Bart Walter; Hansteen, Viggo; Cirtain, J.; Golub, L.; Kobayashi, K.; Korreck, K.; DeForest, C.; Weber, M.; Title, A. & Kuzin, S. (2013). DETECTING NANOFLARE HEATING EVENTS IN SUBARCSECOND INTER-MOSS LOOPS USING Hi-C. The Astrophysical Journal (ApJ).  ISSN 0004-637X.  771(1) . doi: 10.1088/0004-637X/771/1/21
  • Guerreiro, Nuno Miguel Rodrigues; Carlsson, Mats & Hansteen, Viggo (2013). NUMERICAL SIMULATIONS OF SPICULE ACCELERATION. The Astrophysical Journal (ApJ).  ISSN 0004-637X.  766(2) . doi: 10.1088/0004-637X/766/2/128 Full text in Research Archive.
  • Guerreiro, Nuno Miguel Rodrigues; Hansteen, Viggo & De Pontieu, Bart (2013). THE CYCLING OF MATERIAL BETWEEN THE SOLAR CORONA AND CHROMOSPHERE. The Astrophysical Journal (ApJ).  ISSN 0004-637X.  769(1) . doi: 10.1088/0004-637X/769/1/47 Full text in Research Archive.
  • Hilde, Janne Mykland; skjørten, i; Grøtta, Ole Jørgen; Hansteen, Viggo; Melsom, Morten Nissen; Hisdal, J; Hummerfelt, S. & Steine, Kjetil (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, s 1103 . doi: 10.1016/j.jacc.2013.04.091

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  • Hansteen, Viggo (2020). IRIS: heating of the solar chromosphere, Ellerman Bombs and UV bursts.
  • Hansteen, Viggo (2019). EBs and UV-bursts: reconnection at different heights in the solar atmosphere.
  • Hansteen, Viggo (2019). Ellerman Bombs and UV bursts - observations.
  • Hansteen, Viggo (2019). Ellerman Bombs and UV bursts, numerical simulations and IRIS observations.
  • Hansteen, Viggo (2019). Ellerman Bombs and UV bursts, reconnection at different heights in the chromosphere?.
  • Hansteen, Viggo (2019). Ellerman Bombs and UV-bursts, a result of flux emergence.
  • Hansteen, Viggo (2019). Ellerman bombs and UV bursts in the solar chromosphere.
  • Hansteen, Viggo (2019). The FIP effect in the Chromosphere, Transition Region, Corona, and Solar Wind.
  • Kohutova, Petra; Antolin, Patrick; Popovas, Andrius; Szydlarski, Mikolaj Marcin & Hansteen, Viggo (2019). 3D radiative MHD simulations of coronal rain formation and evolution.
  • Hansteen, Viggo (2018). Chromospheric Dynamics and Heating Processes Ion-Neutral Effects in the Solar Chromosphere and Type II Spicules.
  • Hansteen, Viggo (2018). Ellerman bombs and UV bursts: reconnection at different atmospheric layers?.
  • Hansteen, Viggo (2018). Ellerman bombs and UV bursts: reconnection at different atmospheric layers?.
  • Hansteen, Viggo (2018). Ion neutral effects in the solar chromosphere and type II spicules.
  • Hansteen, Viggo (2018). Mass and energy flows between the solar chromosphere, transition region and corona.
  • Hansteen, Viggo (2018). Modeling chromospheric heating and dynamics: What do we understand?.
  • Hansteen, Viggo (2018). The Heating of the Solar Chromosphere and Corona, What can "realistic" 3D Numerical Models teach us?.
  • Carlsson, Mats & Hansteen, Viggo (2015). Vær og uvær på sola.
  • 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.
  • Hansteen, Viggo (2014). Energy transport in the transition region and lower solar corona.
  • Hansteen, Viggo (2014). Heating of the upper chromosphere, transition region and corona.
  • Hansteen, Viggo (2014). IRIS Observations of transition region 'unresolved fine structure'.
  • Hansteen, Viggo (2014). IRIS observations and 'realistic' 3D models of the solar chromosphere.
  • Hansteen, Viggo (2014). Numerical modeling of the chromosphere and corona; what has been done? what should be done?.
  • Hansteen, Viggo (2014). Numerical modeling of the outer solar atmosphere, with some examples from IRIS observations.
  • Hansteen, Viggo (2014). Numerical modeling of the solar chromosphere and corona; what has been done? what should be done?.
  • Hansteen, Viggo (2014). 'Realistic' 3D simulations of a small flare resulting from flux emergence.
  • Hansteen, Viggo (2014). Simulating the transition region and corona: magnetic heating of the outer solar atmosphere.
  • Kato, Yoshiaki; De Pontieu, Bart Walter; Martinez-Sykora, J.; Hansteen, Viggo; Pereira, Tiago Mendes Domingos; Leenaarts, Jorritt & Carlsson, Mats (2014). Measuring energy flux of magneto-acoustic wave in the magnetic elements by using IRIS. Show summary
  • Kato, Yoshiaki; Steiner, Oskar; Hansteen, Viggo; Carlsson, Mats & Gudiksen, Boris Vilhelm (2014). Chromospheric and Corona Wave Generation in Flux Tubes.
  • Carlsson, Mats; Hansteen, Viggo; Pereira, Tiago Mendes Domingos; Leenaarts, Jorrit; Gudiksen, Boris Vilhelm & De Pontieu, Bart Walter (2013). First Comparison between IRIS Data and Numerical Models.
  • Hansteen, Viggo; Carlsson, Mats & De Pontieu, Bart Walter (2013). IRIS observations of transition region 'unresolved fine structure'.
  • Carlsson, Mats & Hansteen, Viggo (2013). Hva er nytt på sola?.
  • Carlsson, Mats & Hansteen, Viggo (2013). Public release of Bifrost simulations.
  • Hansteen, Viggo (2013). A detailed comparison between the observed and synthesized properties of a type II spicule.
  • Hansteen, Viggo (2013). Modeling of the energetics and dynamics of the outer solar atmosphere.
  • Hansteen, Viggo (2013). Numerical simulations - supporting design of facilities and interpretations.
  • Hansteen, Viggo (2013). Physics of the solar chromosphere and corona: Dynamics and energetics.
  • Hilde, J.M.; Hisdal, Jonny; Melsom, Morten Nissen; Hansteen, Viggo; Seljeflot, Ingebjørg; Arnesen, Harald & Steine, Kjetil (2013). Reduced systemic arterial compliance and subclinical LV systolic dysfunction in COPD. European Heart Journal.  ISSN 0195-668X.  34, s 296- 296

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Published Nov. 3, 2010 3:20 PM - Last modified Oct. 29, 2020 6:15 AM

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