Search Results - "Titov, Viacheslav S"
-
1
STRUCTURE, STABILITY, AND EVOLUTION OF MAGNETIC FLUX ROPES FROM THE PERSPECTIVE OF MAGNETIC TWIST
Published in The Astrophysical journal (20-02-2016)“…ABSTRACT We investigate the evolution of NOAA Active Region (AR) 11817 during 2013 August 10-12, when it developed a complex field configuration and produced…”
Get full text
Journal Article -
2
Sun-to-Earth MHD Simulation of the 2000 July 14 "Bastille Day" Eruption
Published in The Astrophysical journal (20-03-2018)“…Solar eruptions are the main driver of space-weather disturbances at Earth. Extreme events are of particular interest, not only because of the scientific…”
Get full text
Journal Article -
3
NON-NEUTRALIZED ELECTRIC CURRENT PATTERNS IN SOLAR ACTIVE REGIONS: ORIGIN OF THE SHEAR-GENERATING LORENTZ FORCE
Published in The Astrophysical journal (10-12-2012)“…Using solar vector magnetograms of the highest available spatial resolution and signal-to-noise ratio, we perform a detailed study of electric current patterns…”
Get full text
Journal Article -
4
SLOW RISE AND PARTIAL ERUPTION OF A DOUBLE-DECKER FILAMENT. II. A DOUBLE FLUX ROPE MODEL
Published in The Astrophysical journal (10-09-2014)“…Force-free equilibria containing two vertically arranged magnetic flux ropes of like chirality and current direction are considered as a model for split…”
Get full text
Journal Article -
5
SLOW RISE AND PARTIAL ERUPTION OF A DOUBLE-DECKER FILAMENT. I. OBSERVATIONS AND INTERPRETATION
Published in The Astrophysical journal (01-09-2012)“…ABSTRACT We study an active-region dextral filament that was composed of two branches separated in height by about 13 Mm, as inferred from three-dimensional…”
Get full text
Journal Article -
6
Deflection of Coronal Mass Ejections in Unipolar Ambient Magnetic Fields
Published in The Astrophysical journal (01-11-2023)“…Abstract The trajectories of coronal mass ejections (CMEs) are often seen to deviate substantially from a purely radial propagation direction. Such deviations…”
Get full text
Journal Article -
7
Global MHD Simulations of the Time-dependent Corona
Published in The Astrophysical journal (01-12-2023)“…Abstract We describe, test, and apply a technique to incorporate full-Sun, surface flux evolution into an MHD model of the global solar corona. Requiring only…”
Get full text
Journal Article -
8
AN UNORTHODOX X-CLASS LONG-DURATION CONFINED FLARE
Published in The Astrophysical journal (20-07-2014)“…We report the observation of an X-class long-duration flare which is clearly confined. It appears as a compact-loop flare in the traditional EUV passbands (171…”
Get full text
Journal Article -
9
Predicting the corona for the 21 August 2017 total solar eclipse
Published in Nature astronomy (01-11-2018)“…The total solar eclipse that occurred on 21 August 2017 across the United States provided an opportunity to test a magnetohydrodynamic model of the solar…”
Get full text
Journal Article -
10
2010 August 1-2 Sympathetic Eruptions. II. Magnetic Topology of the MHD Background Field
Published in The Astrophysical journal (20-08-2017)“…Using a potential field source-surface (PFSS) model, we recently analyzed the global topology of the background coronal magnetic field for a sequence of…”
Get full text
Journal Article -
11
The Evolution of Open Magnetic Flux Driven by Photospheric Dynamics
Published in The Astrophysical journal (20-04-2011)“…The coronal magnetic field is of paramount importance in solar and heliospheric physics. Two profoundly different views of the coronal magnetic field have…”
Get full text
Journal Article -
12
SUN-TO-EARTH MHD SIMULATION OF THE 14 JULY 2000 "BASTILLE DAY" ERUPTION
Published in The Astrophysical journal (20-03-2018)“…Solar eruptions are the main driver of space-weather disturbances at the Earth. Extreme events are of particular interest, not only because of the scientific…”
Get full text
Journal Article -
13
Magnetic Topology of Coronal Hole Linkages
Published in The Astrophysical journal (20-04-2011)“…In recent work, Antiochos and coworkers argued that the boundary between the open and closed field regions on the Sun can be extremely complex with narrow…”
Get full text
Journal Article -
14
ERRATUM: "SLOW RISE AND PARTIAL ERUPTION OF A DOUBLE-DECKER FILAMENT. I OBSERVATIONS AND INTERPRETATION" (2012, ApJ, 756, 59)
Published in The Astrophysical journal (01-12-2015)Get full text
Journal Article -
15
A Magnetogram-matching Method for Energizing Magnetic Flux Ropes Toward Eruption
Published 18-08-2022“…We propose a new ``helicity-pumping'' method for energizing coronal equilibria that contain a magnetic flux rope (MFR) toward an eruption. We achieve this in a…”
Get full text
Journal Article -
16
Deflection of Coronal Mass Ejections in Unipolar Ambient Magnetic Fields
Published 03-10-2023“…The trajectories of coronal mass ejections (CMEs) are often seen to substantially deviate from a purely radial propagation direction. Such deviations occur…”
Get full text
Journal Article -
17
Global MHD Simulations of the Time-Dependent Corona
Published 21-06-2023“…We describe, test, and apply a technique to incorporate full-sun, surface flux evolution into an MHD model of the global solar corona. Requiring only maps of…”
Get full text
Journal Article -
18
Regularized Biot-Savart Laws for Modeling Magnetic Flux Ropes
Published 18-12-2017“…Many existing models assume that magnetic flux ropes play a key role in solar flares and coronal mass ejections (CMEs). It is therefore important to develop…”
Get full text
Journal Article -
19
Electric-Current Neutralization, Magnetic Shear, and Eruptive Activity in Solar Active Regions
Published 15-08-2017“…The physical conditions that determine whether or not solar active regions (ARs) produce strong flares and coronal mass ejections (CMEs) are not yet well…”
Get full text
Journal Article -
20
2010 August 1-2 sympathetic eruptions: II. Magnetic topology of the MHD background field
Published 24-07-2017“…Using a potential field source surface (PFSS) model, we recently analyzed the global topology of the background coronal magnetic field for a sequence of…”
Get full text
Journal Article