68 citations · 226 across the 6 of their papers we have counts for
6 papers
The reversal of the Sun's magnetic field in cycle 24
Alexander V. Mordvinov, Alexei A. Pevtsov, Luca Bertello +1
Analysis of synoptic data from the Vector Stokes Magnetograph (VSM) of the Synoptic Optical Long-term Investigations of the Sun (SOLIS) and the NASA/NSO Spectromagnetograph (SPM) a…
A Combined Study of Photospheric Magnetic and Current Helicities and Subsurface Kinetic Helicities of Solar Active Regions during 2006-2013
Darryl Seligman, Gordon Petrie, Rudi Komm
We compare the average photospheric current helicity , photospheric twist parameter (a well-known proxy for the full relative magnetic helicity), and subsurface kinetic he…
Uncertainties in Solar Synoptic Magnetic Flux Maps
L. Bertello, A. A. Pevtsov, G. J. D. Petrie +1
Magnetic flux synoptic charts are critical for reliable modeling of the corona and heliosphere. Until now, however, these charts were provided without any estimate of uncertainties…
Low-latitude coronal holes, decaying active regions and global coronal magnetic structure
Gordon Petrie, Karl Haislmaier
We study the relationship between decaying active region magnetic fields, coronal holes and the global coronal magnetic structure using Global Oscillations Network Group (GONG) syn…
Solar magnetic activity cycles, coronal potential field models and eruption rates
G. J. D. Petrie
We study the evolution of the observed photospheric magnetic field and the modeled global coronal magnetic field during the past 3 1/2 solar activity cycles observed since the mid-…
A spatio-temporal description of the abrupt changes in the photospheric magnetic and Lorentz-force vectors during the 2011 February 15 X2.2 flare
G. J. D. Petrie
The active region NOAA 11158 produced the first X-class flare of Solar Cycle 24, an X2.2 flare at 01:44 UT on 2011 February 15. Here we analyze SDO/HMI magnetograms covering a 12-h…