Direct evidence for prolonged magnetic reconnection at a continuous x-line within the heliospheric current sheet
Article first published online: 20 MAR 2007
Copyright 2007 by the American Geophysical Union.
Geophysical Research Letters
Volume 34, Issue 6, March 2007
How to Cite
2007), Direct evidence for prolonged magnetic reconnection at a continuous x-line within the heliospheric current sheet, Geophys. Res. Lett., 34, L06102, doi:10.1029/2006GL029033., , , , , and (
- Issue published online: 20 MAR 2007
- Article first published online: 20 MAR 2007
- Manuscript Accepted: 29 JAN 2007
- Manuscript Revised: 19 JAN 2007
- Manuscript Received: 7 DEC 2006
- heliospheric current sheet;
- magnetic reconnection;
- solar wind
 Observations by 5 spacecraft of an exceptionally broad (1.85 × 106 km) Petschek-type reconnection exhaust within the heliospheric current sheet, HCS, in the solar wind at 1 AU on 31 August and 1 September 2001 provide convincing direct evidence for prolonged (at least 5 hours) magnetic reconnection at a continuous X-line in the solar wind. At least 1.2 × 1024 ergs of magnetic energy were extracted from the HCS in this event and converted to kinetic and thermal energy of the exhaust plasma. The reconnection produced field lines disconnected from the Sun and may have originated inside the point where the solar wind became super-Alfvénic, thereby slightly reducing the amount of open magnetic flux present in the heliosphere.