Escape of magnetic toroids from the Sun

Details Escape of magnetic toroids from the Sun Escape of magnetic toroids from the Sun

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..382..430b&link_type=abstract

Proceedings of the eigth international solar wind conference: Solar wind eight. AIP Conference Proceedings, Volume 382, pp. 430

Computer Science

Interplanetary Magnetic Fields

Scientific paper

Analysis of heliospheric magnetic fields at 1 AU shows that 1024 Mx of net toroidal flux escapes from the Sun per solar cycle. This rate is compared with the apparent rate of flux emergence at the solar surface, and it is concluded that escaping toroids will remove at least 20% of the emerging flux, and may remove as much as 100% of emerging flux if multiple eruptions occur on the toroids. The data imply that flux escapes the Sun with an efficiency far exceeding Parker's upper limit estimate of 3%. Toroidal flux escape is almost certainly the source of the observed overwinding of the interplanetary magnetic field spiral. Two mechanisms to facilitate net flux escape are discussed: helicity charging to push open the fields and flux transport with reconnection to close them off. We estimate the Sun will shed ~2×1045 Mx2 of magnetic helicity per solar cycle, leading to a mean helicity density of 100 Mx2 cm-3 at 1 AU, which agrees well with observations.

Affiliated with

Also associated with

No associations

Rating

Escape of magnetic toroids from the Sun does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Escape of magnetic toroids from the Sun, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Escape of magnetic toroids from the Sun will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1115886