Time Series of Magnetograms: Evolution, Interpretations, Inferring Flows ... Tracking of white light images underway... Test velocity inversion methods... Data movie ...
Yang Liu Stanford University yliu@solar.stanford.edu HMI Science Analysis Plan SDO/HMI Products From Vector Magnetograms Yang Liu Stanford University yliu@ ...
sa = F1 - F3, sc = F2 - F4, sum = sa sc, a = sum / sa, or. a = sum / sc, ... flux: corrected by multiplied by a rescaling factor derived by Tran et al. (2005) ...
Sunspot areas, total flux, and unsigned mean field after removing solar cycle ... Sunspot area vs total flux (cc=0.60) Mean field vs total flux (cc=0.23) ...
Evershed flow from spot. Flickering field in spot (probably seeing and ... Spot not circular. 5-min oscillations detectable in quiet region but anisotropic! ...
... field are available), chromosphere, transition region and. corona ... photosphere/chromosphere: energetics dominated by optically thick radiative transitions ...
Evolution of small-scale structures and magnetic carpet ... Tracked Tiles. Line-of-sight. Magnetograms. Vector Magnetograms. Fast algorithm. Vector Magnetograms ...
HMI Active Region Patches Michael Turmon JPL/Caltech * Mask and Patch Data Products Magnetograms (M_720s) + intensitygrams (Ic_720s) yield activity masks (Marmask_720s).
Development of pipeline processing modules to produce the full menu of data products is currently underway. ... Vector magnetograms YLiu, JSchou, HAO, ...
Azimuth disambiguation of solar vector magnetograms. M. K. Georgoulis. JHU/APL ... and plages what about other types of magnetic structure (canopies, EFRs, etc. ...
Magnetic field in the photosphere is not current-/force- free. HOWEVER: Low resolution magnetograms are well represented by. the potential magnetic field ...
LWS Teams Day JSOC Overview. Primary goal: origin of solar variability ... Fast algorithm. Vector Magnetograms. Inversion algorithm. Egression and. Ingression maps ...
photosphere 1. Diffraction. limit: 0.2. Stokes I,Q,U,V. BBSO/NST/IRIM ... photosphere and the weaker magnetic field, and SDO/HMI vector magnetograms which ...
1. Yang Liu. AR0486. AR0486 MDI Observation. Yang Liu Stanford University. yliu@solar.stanford.edu ... Magnetograms from MDI. 3. Yang Liu. AR0486. Potential ...
Synoptic Maps of Magnetic Field from MDI Magnetograms: Polar Field Interpolation. ... for interpolation of the polar magnetic field for the MDI synoptic charts. ...
Can we infer the orientation of Bz of an ICME at 1 AU by focusing on the study ... A. Nindos: Examined chirality of source region using photospheric magnetograms ...
... Bertello, Ulrich, &Evans, (Ap J Supp, 145:259, 2005) from Mt Wilson observations. ... For every 15 degrees of rotation at the equator, higher latitudes ...
800x800 full-disk images, one per minute, continuous (0.87 average duty cycle) ... and other systems: IDL/SolarSoft, COSEC, EGSO, HelioScope, AstroGrid, Aladin, VO. ...
The analysis of solar magnetic pattern provides a way to investigate all the ... Scardigli S., Giordano S., Multiscale Magnetic Underdense Regions on the ...
... Petrie, J. Bolding, R. Clark, K. Donaldson-Hanna, J.W. Harvey, F. Hill, C. Toner ... GONG (Global Oscillations Network Group) obtains 2.5''-pixel intensity, ...
HMI Synoptic Data Sets HMI Team Meeting Jan. 26, 2005 Stanford, CA Synoptic Data Sets - Helioseismology Synoptic maps of mass flows and sound-speed perturbations ...
CAWSES Space Weather WS Dec 10-12, 2005 Stanford, CA. 1 ... CAWSES Space Weather WS Dec 10-12, 2005 Stanford, CA. 5. 2052-2117UT September 8, 2005 X5.4 Flare ...
ON THE RELATION BETWEEN FILAMENT ERUPTIONS, FLARES, AND CORONAL MASS EJECTIONS ... CMEs --- LASCO C2 coronagraph images and the CME catalog to determine. ...
... with ribbons and all though I didn't make a movie! ... The CDAW CME catalog lists this HALO CME's speed as 1689 km/s but from just two points in C2. ...
We hypothesize that, since relaxation-based NLFFF techniques tend to smooth ... Free energy is the energy difference between the actual and potential field energies. ...
The difference between the separation of each MMF pair near the end and near the ... A qualitative model based on these and other observations is presented. ...
May operate in bulk (mean field D.) or at the bottom (overshoot) of the CZ. ... (Coriolis force has effect of supergranular flows) Pevtsov & Neidig (2005) ...
Can we accurately estimate the evolution of free energy? ... use new magnetographs (Solar-B /FPP, SOLIS VSM, SDO/HMI) to predict coronal energy release? ...
Measurements of coronal magnetic field strength on the solar disk. spectroscopic coronagraph to measure shocks in low corona space-based force-free full-disk vector ...
Magnetic helicity is a conserved quantity even. in resistive MHD (Berger, 1984) ... magnetograph & spectrograph. fov: 164'x164', Blong=1-5 G, Btrans=30-50 G. temp. ...
For all six events, leading magnetic flux had a rapid increase after flares. ... Three events showed new sunspot area, predominantly in the form of penumbra. ...
Helioseismology measures flows below active regions. Relation ... Helioseismology. uses acoustic waves that propagate throughout the Sun to measure the internal ...
From 2D data arrays, f1(x1,x2) & f2(x1,x2), find vector flow v(x1,x2) consistent ... (2005, in prep): Use (i) 'minium structure' & (ii) 'coplanarity' assumptions, ...
Accurate Polar and small scale observations during the solar cycle. Elena E. ... The values of the total polar magnetic flux are depended on the number of ...
Synoptic maps of mass flows and sound-speed perturbations ... 'Minimum' energy method (Metcalf, 1994) 'Structure minimization' method (Georgoulis et al, 2004) ...
Conformal deprojections, e.g., Mercator, locally preserve angles; scales are ... imposed differential rotation profile; red dots are raw velocities from Mercator ...
Royal Observatory of Belgium. Peter T Gallagher (NASA/GSFC) The Active Region ... magnetogram is first smoothed using a boxcar filter - this removes much of the ...
Collision of active regions visible in microwaves: 17 GHz Neutral Line Source as ... Collision of two bipolar ARs leads to formation of a quadrupole magnetic ...
FGM: Fluxgate magnetometer measures magnetic field to 128 Hz (Germany) SCM: Search coil magnetometer measures 0.001 - 4 kHz magnetic field (France) ...