Rapid Change of δ Spot Structure Associated with Seven Major Flares

By Chang Liu, Na Deng, Yu Liu, D. Falconer, P. Goode, C. Denker, Haimin Wang. 2005

144 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/4686dd3aa75d5c128d2e41af64507f5556acc746

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In Astronomy and Astrophysics

Citations in the corpus

An Observational Overview of Solar Flares (2011, background): “Inmany cases, the field changes are also associated with visible evolution in the sunspot, particularly to a disappearance of a part of the penumbra (Anwar et al. 1993; Wang et al. 2004; Liu et al. 2005).”
Longitudinal Magnetic Field Changes Accompanying Solar Flares (2005, background): “Liu et al. (2005) extended this work and included magnetic field change measurements for six X-class flares and one M-class flare.”
EVOLUTION OF MAGNETIC FIELD AND ENERGY IN A MAJOR ERUPTIVE ACTIVE REGION BASED ON SDO/HMI OBSERVATION (2011, background): “6a), similar to the effect of δ-spot umbral darkening reported in Liu et al. (2005).”
The magnetic field in the solar atmosphere (2014, background): “The sign of this change remains inconclusive, however, since both, an increase of the shear (Wang 1992; Chen et al. 1994; Wang et al. 1994, 2012a, b; Liu et al. 2005; Petrie 2012), as well as a decrease has been found during flares (Wang 2006).”
RESPONSE OF THE PHOTOSPHERIC MAGNETIC FIELD TO THE X2.2 FLARE ON 2011 FEBRUARY 15 (2011, result): “…field after flares and coronal mass ejections (CMEs) has continued to be observed later on in many observations (Wang et al. 2002, 2004, 2005; Liu et al. 2005; Wang et al. 2007; Jing et al. 2008; Li et al. 2009; Liu et al. 2011a), and shows some agreement with recent model predictions (Li et…”
Three-dimensional MHD Simulation of the 2003 October 28 Coronal Mass Ejection: Comparison with LASCO Coronagraph Observations (2008, background): “In contrast, the measured magnetic field was observed to be in a highly sheared configuration running parallel to the inversion line (Liu et al. 2005).”