INTRINSIC MAGNETIC DISCONTINUITIES AND SOLAR-X-RAY EMISSION

被引:17
作者
PARKER, EN [1 ]
机构
[1] UNIV CHICAGO, DEPT PHYS, CHICAGO, IL 60637 USA
关键词
D O I
10.1029/GL017i011p02055
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
The fundamental theorem of magnetostatic equilibrium predicts that the bipolar magnetic fields of active regions on the Sun contain tangential discontinuities as an intrinsic part of their equilibrium. It appears that rapid reconnection at these many tangential discontinuities (nanoflares) is the primary source of heat that produces the X‐ray emitting corona. The X‐ray corona Is then a cloud of nanoflares. Copyright 1990 by the American Geophysical Union.
引用
收藏
页码:2055 / 2058
页数:4
相关论文
共 19 条
[1]   OBSERVATIONS OF HIGH-ENERGY JETS IN THE CORONA ABOVE THE QUIET SUN, THE HEATING OF THE CORONA, AND THE ACCELERATION OF THE SOLAR-WIND [J].
BRUECKNER, GE ;
BARTOE, JDF .
ASTROPHYSICAL JOURNAL, 1983, 272 (01) :329-348
[2]   COSMIC-RAY PROPAGATION .1. CHARGED PARTICLES IN A RANDOM MAGNETIC FIELD [J].
JOKIPII, JR .
ASTROPHYSICAL JOURNAL, 1966, 146 (02) :480-&
[3]   RANDOM WALK OF MAGNETIC LINES OF FORCE IN ASTROPHYSICS [J].
JOKIPII, JR ;
PARKER, EN .
PHYSICAL REVIEW LETTERS, 1968, 21 (01) :44-&
[4]   RATE OF SEPARATION OF MAGNETIC LINES OF FORCE IN A RANDOM MAGNETIC-FIELD [J].
JOKIPII, JR .
ASTROPHYSICAL JOURNAL, 1973, 183 (03) :1029-1036
[5]   SPONTANEOUS TANGENTIAL DISCONTINUITIES AND THE OPTICAL ANALOGY FOR STATIC MAGNETIC-FIELDS .1. FORCE-FREE FIELDS, POTENTIAL FIELDS, AND DISCONTINUITIES [J].
PARKER, EN .
GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS, 1989, 45 (3-4) :159-168
[6]   MAGNETIC NEUTRAL SHEETS IN EVOLVING FIELDS .2. FORMATION OF THE SOLAR CORONA [J].
PARKER, EN .
ASTROPHYSICAL JOURNAL, 1983, 264 (02) :642-647
[7]   TANGENTIAL DISCONTINUITIES AND THE OPTICAL ANALOGY FOR STATIONARY FIELDS .3. ZONES OF EXCLUSION [J].
PARKER, EN .
GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS, 1989, 46 (1-2) :105-133
[8]   TANGENTIAL DISCONTINUITIES AND THE OPTICAL ANALOGY FOR STATIONARY FIELDS .2. THE OPTICAL ANALOGY [J].
PARKER, EN .
GEOPHYSICAL AND ASTROPHYSICAL FLUID DYNAMICS, 1989, 45 (3-4) :169-182
[10]   MAGNETIC REORIENTATION AND THE SPONTANEOUS FORMATION OF TANGENTIAL DISCONTINUITIES IN DEFORMED MAGNETIC-FIELDS [J].
PARKER, EN .
ASTROPHYSICAL JOURNAL, 1987, 318 (02) :876-887