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Astrophysical Journal, ISSN 0004-637X, 02/2006, Volume 638, Issue 2, pp. 1101 - 1109
I investigate the processes at work in the cancellation of normal magnetic flux in solar magnetograms and study the relationships between cancellation and the... 
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 02/2006, Volume 638, Issue 2 I, pp. 1101 - 1109
I investigate the processes at work in the cancellation of normal magnetic flux in solar magnetograms and study the relationships between cancellation and the... 
Sun: flares | MHD | Sun: activity | Sun: magnetic fields | Sun: coronal mass ejections (CMEs) | FORCE-FREE | sun : coronal mass ejections (CMEs) | sun : activity | FIELD | RECONNECTION | MODEL | PROMINENCE FORMATION | SUN | SOLAR CORONA | DRIVEN EVOLUTION | HELICITY | sun : flares | ASTRONOMY & ASTROPHYSICS | MASS EJECTION
Journal Article
Journal of Physics: Conference Series, ISSN 1742-6588, 09/2017, Volume 900, Issue 1, p. 12011
Conference Proceeding
Astronomy and Astrophysics, ISSN 0004-6361, 2012, Volume 539, p. A1
Aims. We show how the build-up of magnetic gradients in the Sun's corona may be inferred directly from photospheric velocity data. This enables computation of... 
Sun: photosphere | magnetic fields | Sun: magnetic topology | Sun: corona | QUASI-SEPARATRIX LAYERS | TIME LYAPUNOV EXPONENTS | RECONNECTION | FLUX | SOLAR OPTICAL TELESCOPE | DISPERSAL | ASTRONOMY & ASTROPHYSICS | FLARE RIBBONS | POINT
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 06/2009, Volume 698, Issue 1, pp. 75 - 82
Solar flares, coronal mass ejections, and indeed phenomena on all scales observed on the Sun, are inextricably linked with the Sun's magnetic field. The solar... 
Sun: magnetic fields | Sun: photosphere | ACTIVE REGIONS | ENERGY-RELEASE | CARPET | MAGNETOGRAMS | CONVECTION | MICHELSON DOPPLER IMAGER | FRAGMENTATION | ORIGIN | QUIET-SUN | ASTRONOMY & ASTROPHYSICS | DYNAMO
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 08/2004, Volume 610, Issue 2 I, pp. 1148 - 1156
Journal Article
Astrophysical Journal, ISSN 0004-637X, 09/2013, Volume 774, Issue 2, pp. 127 - 10
Journal Article
Astronomy and Astrophysics, ISSN 0004-6361, 2014, Volume 564, pp. A131 - np
We estimate the energy input into the solar corona from photospheric footpoint motions, using observations of a plage region by the Hinode Solar Optical... 
Sun: granulation | Sun: photosphere | Sun: corona | Sun: magnetic fields | FIELDS | DISSIPATION | PHOTOSPHERE | SOLAR CORONA | CROSSING NUMBER | LOCAL CORRELATION TRACKING | ASTRONOMY & ASTROPHYSICS | GENERATION | LOOPS | FLOWS | DIVERGENCE | Coronas | Solar corona | Horizontal | Computer simulation | Flux | Trajectories | Magnetic fields | Estimates | Physics - Solar and Stellar Astrophysics
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 12/2007, Volume 670, Issue 2, pp. 1434 - 1452
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 09/2007, Volume 666, Issue 1 I, pp. 576 - 587
Journal Article
Astrophysical Journal, ISSN 0004-637X, 03/2015, Volume 801, Issue 1, p. 36
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 09/2010, Volume 720, Issue 2, pp. 1405 - 1416
Understanding the behavior of weak magnetic fields near the detection limit of current instrumentation is important for determining the flux budget of the... 
Sun: granulation | Sun: photosphere | Sun: surface magnetism | QUIET-SUN | FIELD | MISSION | ASTRONOMY & ASTROPHYSICS | OPTICAL TELESCOPE | REGIONS | PATTERNS | MAGNETIC FIELDS | MAGNETIC FLUX | MAIN SEQUENCE STARS | PHOTOSPHERE | SOLAR ATMOSPHERE | SENSITIVITY | STELLAR ATMOSPHERES | GRANULATION | SUN | ATMOSPHERES | MAGNETISM | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COALESCENCE | STARS | FABRICATION
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 12/2000, Volume 545, Issue 2, pp. 1089 - 1100
Observations have shown that active region flux tubes often emerge in a twisted state and that the active region formed has magnetic helicity of the same sense... 
MHD | Sun: activity | Sun: corona | Sun: magnetic fields | FIELDS | ELECTRIC CURRENTS | RELAXATION | REGION | Sun : corona | HELICITY | EVOLUTION | Sun : magnetic fields | FORCE | EMERGING FLUX | ASTRONOMY & ASTROPHYSICS | DYNAMICS | SOLAR CONVECTION ZONE | Sun : activity
Journal Article