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Showing results 1-48 of 48

2020
1 Martinez-Sykora, Juan; De Pontieu, Bart Walter; de la Cruz Rodriguez, Jaime; Chintzoglou, Georgios.
The Formation Height of Millimeter-wavelength Emission in the Solar Chromosphere. Astrophysical Journal Letters 2020 ;Volume 891.(1) p. -
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2 Martinez-Sykora, Juan; Leenarts, Jorrit; De Pontieu, Bart Walter; Nóbrega Siverio, Daniel Elias; Hansteen, Viggo; Carlsson, Mats; Szydlarski, Mikolaj Marcin.
Ion–neutral Interactions and Nonequilibrium Ionization in the Solar Chromosphere. Astrophysical Journal (ApJ) 2020 ;Volume 889.(2) p. -
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3 Nóbrega Siverio, Daniel Elias; Martinez-Sykora, Juan; Moreno-Insertis, Fernando; Carlsson, Mats.
Ambipolar diffusion in the Bifrost code. Astronomy and Astrophysics 2020 ;Volume 638. p. -
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4 Nóbrega Siverio, Daniel Elias; Moreno-Insertis, Fernando; Martinez-Sykora, Juan; Carlsson, Mats; Szydlarski, Mikolaj Marcin.
Nonequilibrium ionization and ambipolar diffusion in solar magnetic flux emergence processes. Astronomy and Astrophysics 2020 ;Volume 633. p. -
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5 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.
High-resolution observations of the solar photosphere, chromosphere, and transition region: A database of coordinated IRIS and SST observations. Astronomy and Astrophysics 2020 ;Volume 641. p. -
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2019
6 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.
A comprehensive three-dimensional radiative magnetohydrodynamic simulation of a solar flare. Nature Astronomy 2019 ;Volume 3. p. 160-166
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7 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.
Multi-component Decomposition of Astronomical Spectra by Compressed Sensing. Astrophysical Journal (ApJ) 2019 ;Volume 882.(1) p. -
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8 De Pontieu, Bart Walter; Martinez-Sykora, Juan; Testa, Paola; Winebarger, Amy R.; Daw, Adrian N.; Hansteen, Viggo; Cheung, Mark C. M.; Antolin, Patrick.
The Multi-slit Approach to Coronal Spectroscopy with the Multi-slit Solar Explorer (MUSE). Astrophysical Journal (ApJ) 2019 ;Volume 888.(1) p. -
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9 Martinez-Sykora, Juan.
Beyond single fluid or two fluids: Multi-component (multi-species) and multi fluid effects in the solar atmosphere. ISSI meeting: Studying Magnetic-Field-Regulated Heating in the Solar Chromosphere; 2019-11-18 - 2019-11-21
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10 Martinez-Sykora, Juan.
Ebysus: a multi-fluid and multi-species numerical code: on coupling between ionized species. AGU Fall meeting; 2019-12-09 - 2019-12-13
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11 Martinez-Sykora, Juan.
Ebysus: Multi-fluid & multi-species numerical code. Partially Ionised Plasmas in Astrophysics — PIPA2019; 2019-06-03 - 2019-06-07
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12 Martinez-Sykora, Juan; Hansteen, Viggo; Gudiksen, Boris Vilhelm; Carlsson, Mats; De Pontieu, Bart Walter; Gošić, Milan.
On the Origin of the Magnetic Energy in the Quiet Solar Chromosphere. Astrophysical Journal (ApJ) 2019 ;Volume 878.(1) p. -
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2018
13 Chintzoglou, G.; De Pontieu, Bart Walter; Martinez-Sykora, Juan; Mendes Domingos Pereira, Tiago; Vourlidas, A.; Beltran, Samuel Tun.
Bridging the gap: Capturing the Lyα Counterpart of a Type-II Spicule and its Heating Evolution with VAULT2.0 and IRIS Observations. Astrophysical Journal (ApJ) 2018 ;Volume 857.(1) p. -
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14 Martinez-Sykora, Juan; De Moortel, Ineke; De Pontieu, Bart Walter; Hansteen, Viggo; Carlsson, Mats.
Impact of Type II Spicules in the Corona: Simulations and Synthetic Observables. Astrophysical Journal (ApJ) 2018 ;Volume 860.(2) p. -
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15 Moreno-Insertis, F.; Hansteen, Viggo; Martinez-Sykora, Juan; Munoz, D..
Small-scale Magnetic Flux Emergence in the Quiet Sun. Astrophysical Journal Letters 2018 ;Volume 859.(2) p. -
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2017
16 De Pontieu, Bart Walter; De Moortel, I.; Martinez-Sykora, Juan; McIntosh, S. W..
Observations and Numerical Models of Solar Coronal Heating Associated with Spicules. Astrophysical Journal Letters 2017 ;Volume 845.(2) p. -
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17 De Pontieu, Bart Walter; Martinez-Sykora, Juan; Chintzoglou, Georgios.
What Causes the High Apparent Speeds in Chromospheric and Transition Region Spicules on the Sun?. Astrophysical Journal Letters 2017 ;Volume 849.(1) p. -
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18 Martinez-Sykora, Juan; De Pontieu, Bart Walter; Carlsson, Mats; Hansteen, Viggo; Nobrega-Siverio, Daniel; Gudiksen, Boris Vilhelm.
Two-dimensional Radiative Magnetohydrodynamic Simulations of Partial Ionization in the Chromosphere. II. Dynamics and Energetics of the Low Solar Atmosphere. Astrophysical Journal (ApJ) 2017 ;Volume 847.(1) p. -
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19 Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo; Rouppe van der Voort, Luc; Carlsson, Mats; Mendes Domingos Pereira, Tiago.
On the generation of solar spicules and Alfvenic waves. Science 2017 ;Volume 356.(6344) p. 1269-1272
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20 Nobrega-Siverio, Daniel; Martinez-Sykora, Juan; Moreno-Insertis, F.; Rouppe van der Voort, Luc.
Surges and Si IV Bursts in the Solar Atmosphere: Understanding IRIS and SST Observations through RMHD Experiments. Astrophysical Journal (ApJ) 2017 ;Volume 850.(2) p. -
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2016
21 Martinez-Sykora, Juan; De Pontieu, Bart Walter; Carlsson, Mats; Hansteen, Viggo.
On the Misalignment between Chromospheric Features and the Magnetic Field on the Sun. Astrophysical Journal Letters 2016 ;Volume 831.(1) p. -
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22 Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo; Gudiksen, Boris Vilhelm.
TIME DEPENDENT NONEQUILIBRIUM IONIZATION of TRANSITION REGION LINES OBSERVED with IRIS. Astrophysical Journal (ApJ) 2016 ;Volume 817.(1) p. -
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2015
23 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.
Homologous helical jets: Observations by IRIS, SDO, and Hinode and magnetic modeling with data-driven simulations. Astrophysical Journal (ApJ) 2015 ;Volume 801.(2) p. -
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24 De Pontieu, Bart Walter; McIntosh, Scott; Martinez-Sykora, Juan; Peter, Hardi; Mendes Domingos Pereira, Tiago.
Why is non-thermal line broadening of spectral lines in the lower transition region of the sun independent of spatial resolution?. Astrophysical Journal Letters 2015 ;Volume 799.(1) p. -
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25 Martinez-Sykora, Juan; De Pontieu, Bart Walter; Hansteen, Viggo; Carlsson, Mats.
The role of partial ionization effects in the chromosphere. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 2015 ;Volume 373.(2042) p. -
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26 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..
Internetwork Chromospheric Bright Grains Observed with IRIS and SST. Astrophysical Journal (ApJ) 2015 ;Volume 803.(1) p. -
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2014
27 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..
Detection of supersonic downflows and associated heating events in the transition region above sunspots. Astrophysical Journal Letters 2014 ;Volume 789.(2) p. -
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28 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..
HIGH-RESOLUTION OBSERVATIONS OF THE SHOCK WAVE BEHAVIOR FOR SUNSPOT OSCILLATIONS WITH THE INTERFACE REGION IMAGING SPECTROGRAPH. Astrophysical Journal (ApJ) 2014 ;Volume 786.(2) p. -
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29 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.
On the prevalence of small-scale twist in the solar chromosphere and transition region. Science 2014 ;Volume 346.(6207) p. -
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30 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.
The unresolved fine structure resolved: IRIS observations of the solar transition region. Science 2014 ;Volume 346.(6207) p. -
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31 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..
An interface region imaging spectrograph first view on solar spicules. Astrophysical Journal Letters 2014 ;Volume 792.(1) p. -
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32 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.
Hot explosions in the cool atmosphere of the Sun. Science 2014 ;Volume 346.(6207) p. -
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33 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..
Evidence of nonthermal particles in coronal loops heated impulsively by nanoflares. Science 2014 ;Volume 346.(6207) p. -
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34 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..
Prevalence of small-scale jets from the networks of the solar transition region and chromosphere. Science 2014 ;Volume 346.(6207) p. -
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2013
35 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.
A DETAILED COMPARISON BETWEEN THE OBSERVED AND SYNTHESIZED PROPERTIES OF A SIMULATED TYPE II SPICULE. Astrophysical Journal (ApJ) 2013 ;Volume 771.(1) p. -
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36 Testa, Paola; De Pontieu, Bart; Martinez-Sykora, Juan; DeLuca, E.; Hansteen, Viggo; Cirtain, J.; Winebarger, A.; Golub, L.; Kobayashi, K.; Korreck, K.; Kuzin, S.; Walsh, R.; DeForest, C.; Title, A.; Weber, Mark.
OBSERVING CORONAL NANOFLARES IN ACTIVE REGION MOSS. Astrophysical Journal (ApJ) 2013 ;Volume 770.(1) p. -
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2012
37 Dalda, A. S.; Martinez-Sykora, Juan; Bellot Rubio, L. R.; Title, A..
STUDY OF SINGLE-LOBED CIRCULAR POLARIZATION PROFILES IN THE QUIET SUN. Astrophysical Journal (ApJ) 2012 ;Volume 748.(1) p. -
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38 Martinez-Sykora, Juan.
Two Types of Spicules “Observed” in 3D Realistic Models. Astronomical Society of the Pacific Conference Series 2012 ;Volume 454. p. 133-136
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39 Martinez-Sykora, Juan; De Pontieu, Bart; Hansteen, Viggo.
TWO-DIMENSIONAL RADIATIVE MAGNETOHYDRODYNAMIC SIMULATIONS OF THE IMPORTANCE OF PARTIAL IONIZATION IN THE CHROMOSPHERE. Astrophysical Journal (ApJ) 2012 ;Volume 753.(2) p. -
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40 Testa, Paola; De Pontieu, Bart; Martinez-Sykora, Juan; Hansteen, Viggo; Carlsson, Mats.
INVESTIGATING THE RELIABILITY OF CORONAL EMISSION MEASURE DISTRIBUTION DIAGNOSTICS USING THREE-DIMENSIONAL RADIATIVE MAGNETOHYDRODYNAMIC SIMULATIONS. Astrophysical Journal (ApJ) 2012 ;Volume 758.(1) p. -
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2011
41 De Pontieu, Bart; McIntosh, S.W.; Carlsson, Mats; Hansteen, Viggo; Tarbell, T.D.; Boerner, P.; Martinez-Sykora, Juan; Schrijver, C. J.; Title, A. M..
The Origins of Hot Plasma in the Solar Corona. Science 2011 ;Volume 331.(6013) p. 55-58
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42 Gudiksen, Boris Vilhelm; Carlsson, Mats; Hayek, Wolfgang; Hansteen, Viggo; Leenaarts, Jorrit; Martinez-Sykora, Juan.
The stellar atmosphere simulation code Bifrost. Code description and validation. Astronomy and Astrophysics 2011 ;Volume 531. p. -
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43 Martinez-Sykora, Juan; De Pontieu, Bart; Hansteen, Viggo; McIntosh, Scott.
WHAT DO SPECTRAL LINE PROFILE ASYMMETRIES TELL US ABOUT THE SOLAR ATMOSPHERE?. Astrophysical Journal (ApJ) 2011 ;Volume 732.(2) p. -
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44 Martinez-Sykora, Juan; De Pontieu, Bart; Testa, Paola; Hansteen, Viggo.
FORWARD MODELING OF EMISSION IN SOLAR DYNAMICS OBSERVATORY/ATMOSPHERIC IMAGING ASSEMBLY PASSBANDS FROM DYNAMIC THREE-DIMENSIONAL SIMULATIONS. Astrophysical Journal (ApJ) 2011 ;Volume 743.(1) p. -
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45 Martinez-Sykora, Juan; Hansteen, Viggo; Moreno-Insertis, F..
ON THE ORIGIN OF THE TYPE II SPICULES: DYNAMIC THREE-DIMENSIONAL MHD SIMULATIONS. Astrophysical Journal (ApJ) 2011 ;Volume 736.(1) p. -
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46 Tian, H; McIntosh, S.W.; De Pontieu, Bart; Martinez-Sykora, Juan; Sechler, M.; Wang, X..
TWO COMPONENTS OF THE SOLAR CORONAL EMISSION REVEALED BY EXTREME-ULTRAVIOLET SPECTROSCOPIC OBSERVATIONS. Astrophysical Journal (ApJ) 2011 ;Volume 738.(1) p. -
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2009
47 Sykora, Juan Martinez; Hansteen, Viggo; Carlsson, Mats.
TWISTED FLUX TUBE EMERGENCE FROM THE CONVECTION ZONE TO THE CORONA. II. LATER STATES. Astrophysical Journal (ApJ) 2009 ;Volume 702.(1) p. 129-140
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48 Sykora, Juan Martinez; Hansteen, Viggo; De Pontieu, Bart; Carlsson, Mats.
SPICULE-LIKE STRUCTURES OBSERVED IN THREE-DIMENSIONAL REALISTIC MAGNETOHYDRODYNAMIC SIMULATIONS. Astrophysical Journal (ApJ) 2009 ;Volume 701.(2) p. 1569-1581
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