5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of OsloNO150 papers
- Bay Area Environmental Research InstituteUS127 papers
- Goddard Space Flight CenterUS95 papers
- NASA Research ParkUS82 papers
- NSF NCAR High Altitude ObservatoryUS82 papers
- NSF National Center for Atmospheric ResearchUS70 papers
- National Astronomical Observatory of JapanJP65 papers
- Center for Astrophysics Harvard & SmithsonianUS61 papers
- Stanford UniversityUS61 papers
- Centre National de la Recherche ScientifiqueFR59 papers
- Max Planck Institute for Solar System ResearchDE56 papers
- Marshall Space Flight CenterUS44 papers
38 papers · 1 filter
A Computational Study of Vertical Partial Gate Carbon Nanotube FETs
Youngki Yoon, James Fodor, Jing Guo
A vertical partial gate carbon nanotube (CNT) field-effect transistor (FET), which is amenable to the vertical CNT growth process and offers the potential for a parallel CNT array…
Non-linear force-free field modeling of a solar active region around the time of a major flare and coronal mass ejection
C. J. Schrijver, M. L. DeRosa, T. Metcalf +14
Solar flares and coronal mass ejections are associated with rapid changes in field connectivity and powered by the partial dissipation of electrical currents in the solar atmospher…
Flare Ribbons Observed with G-band and FeI 6302A Filters of the Solar Optical Telescope on Board Hinode
H. Isobe, M. Kubo, T. Minoshima +11
The Solar Optical Telescope (SOT) on board Hinode satellite observed an X3.4 class flare on 2006 December 13. Typical two-ribbon structure was observed, not only in the chromospher…
Umbral Fine Structures in Sunspots Observed with Hinode Solar Optical Telescope
Reizaburo Kitai, Hiroko Watanabe, Tahei Nakamura +15
High resolution imaging observation of a sunspot umbra was done with Hinode Solar Optical Telescope (SOT). Filtergrams in wavelengths of blue and green continuum were taken during…
On connecting the dynamics of the chromosphere and transition region with Hinode SOT and EIS
Viggo H. Hansteen, Bart De Pontieu, Mats Carlsson +14
We use coordinated Hinode SOT/EIS observations that include high-resolution magnetograms, chromospheric and TR imaging and TR/coronal spectra in a first test to study how the dynam…
The Solar Optical Telescope for the Hinode Mission: An Overview
S. Tsuneta
The Solar Optical Telescope (SOT) aboard the Hinode satellite (formerly called Solar-B) consists of the Optical Telescope Assembly (OTA) and the Focal Plane Package (FPP). The OTA…
Fundamental Physical Processes in Coronae: Waves, Turbulence, Reconnection, and Particle Acceleration
Markus J. Aschwanden
Our understanding of fundamental processes in the solar corona has been greatly progressed based on the space observations of SMM, Yohkoh, Compton GRO, SOHO, TRACE, RHESSI, and STE…
The Fine-Structure of the Net-Circular Polarization in a Sunspot Penumbra
A. Tritschler, D. A. N. Mueller, R. Schlichenmaier +1
We present novel evidence for a fine structure observed in the net-circular polarization (NCP) of a sunspot penumbra based on spectropolarimetric measurements utilizing the Zeeman…
A Tale Of Two Spicules: The Impact of Spicules on the Magnetic Chromosphere
Bart De Pontieu, Scott W. McIntosh, Viggo H. Hansteen +11
We use high-resolution observations of the Sun in Ca II H 3968 A from the Solar Optical Telescope on Hinode to show that there are at least two types of spicules that dominate the…
Scaling laws of solar and stellar flares
Markus J. Aschwanden, Robert A. Stern, Manuel Güdel
In this study we compile for the first time comprehensive data sets of solar and stellar flare parameters, including flare peak temperatures T_p, flare peak volume emission measure…
Observations and modeling of the early acceleration phase of erupting filaments involved in coronal mass ejections
C. J. Schrijver, C. Elmore, B. Kliem +2
We examine the early phases of two near-limb filament destabilization involved in coronal mass ejections on 16 June and 27 July 2005, using high-resolution, high-cadence observatio…
Quiet Sun internetwork magnetic fields from the inversion of Hinode measurements
D. Orozco Suarez, L. R. Bellot Rubio, J. C. del Toro Iniesta +10
We analyze Fe I 630 nm observations of the quiet Sun at disk center taken with the spectropolarimeter of the Solar Optical Telescope aboard the Hinode satellite. A significant frac…
Spectroscopic measurements of dynamic fibrils in the Ca {\small{II}} 8662 Å line
Oystein Langangen, Mats Carlsson, Luc Rouppe van der Voort +2
We present high spatial resolution spectroscopic measurements of dynamic fibrils (DFs) in the Ca {\small{II}} 8662 Å line. These data show clear Doppler shifts in the identified DF…
Hinode Calibration for Precise Image Co-alignment between SOT and XRT (November 2006 -- April 2007)
Toshifumi Shimizu, Yukio Katsukawa, Keiichi Matsuzaki +11
To understand the physical mechanisms for activity and heating in the solar atmosphere, the magnetic coupling from the photosphere to the corona is an important piece of informatio…
Can High Frequency Acoustic Waves Heat the Quiet Sun Chromosphere?
Mats Carlsson, Viggo H. Hansteen, Bart De Pontieu +9
We use Hinode/SOT Ca II H-line and blue continuum broadband observations to study the presence and power of high frequency acoustic waves at high spatial resolution. We find that t…
Small Scale Magnetic Flux Emergence Observed with Hinode/Solar Optical Telescope
Kenichi Otsuji, Kazunari Shibata, Reizaburo Kitai +14
We observed small scale magnetic flux emergence in a sunspot moat region by the Solar Optical Telescope (SOT) aboard the Hinode satellite. We analyzed filtergram images observed in…
Formation Process of a Light Bridge Revealed with the Hinode Solar Optical Telescope
Y. Katsukawa, T. Yokoyama, T. E. Berger +10
The Solar Optical Telescope (SOT) aboard HINODE successfully and continuously observed a formation process of a light bridge in a matured sunspot of the NOAA active region 10923 fo…
Hinode Observations of Vector Magnetic Field Change Associated with a Flare on 2006 December 13
Masahito Kubo, Takaaki Yokoyama, Yukio Katsukawa +10
Continuous observations of a flare productive active region 10930 were successfully carried out with the Solar Optical Telescope onboard the Hinode spacecraft during 2007 December…
Strategy for the inversion of Hinode spectropolarimetric measurements in the quiet Sun
D. Orozco Suarez, L. R. Bellot Rubio, J. C. del Toro Iniesta +10
In this paper we propose an inversion strategy for the analysis of spectropolarimetric measurements taken by {\em Hinode} in the quiet Sun. The spectropolarimeter of the Solar Opti…
Formation of Moving Magnetic Features and Penumbral Magnetic Fields with Hinode/SOT
Masahito Kubo, Kiyoshi Ichimoto, Toshifumi Shimizu +10
Vector magnetic fields of moving magnetic features (MMFs) are well observed with the Solar Optical Telescope (SOT) aboard the Hinode satellite. We focus on the evolution of three M…
Initial Helioseismic Observations by Hinode/SOT
Takashi Sekii, Alexander G. Kosovichev, Junwei Zhao +12
Results from initial helioseismic observations by Solar Optical Telescope onboard Hinode are reported. It has been demonstrated that intensity oscillation data from Broadband Filte…
Observations of Sunspot Oscillations in G band and Ca II H line with Solar Optical Telescope on Hinode
Kaori Nagashima, Takashi Sekii, Alexander G. Kosovichev +11
Exploiting high-resolution observations made by the Solar Optical Telescope onboard Hinode, we investigate the spatial distribution of power spectral density of oscillatory signal…
Vector spectropolarimetry of dark-cored penumbral filaments with Hinode
L. R. Bellot Rubio, S. Tsuneta, K. Ichimoto +9
We present spectropolarimetric measurements of dark-cored penumbral filaments taken with Hinode at a resolution of 0.3". Our observations demonstrate that dark-cored filaments are…
Emergence of Small-Scale Magnetic Loops in the Quiet Sun Internetwork
R. Centeno, H. Socas-Navarro, B. Lites +11
We study the emergence of magnetic flux at very small spatial scales (less than 2 arcsec) in the quiet Sun internetwork. To this aim, a time series of spectropolarimetric maps was…