An overview of longitudinal oscillations in coronal loops

Details An overview of longitudinal oscillations in coronal loops An overview of longitudinal oscillations in coronal loops

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.506..509d&link_type=abstract

In: Solar variability: from core to outer frontiers. The 10th European Solar Physics Meeting, 9 - 14 September 2002, Prague, Cze

Physics

2

Sun: Corona, Oscillations

Scientific paper

High cadence TRACE observations show that outward propagating intensity disturbances are a common feature in large, quiescent coronal loops. An overview is given of geometric and physical parameters of such propagating disturbances observed in 38 coronal loops. We found that loops that are situated above sunspot regions display intensity oscillations with periods centred around 3 minutes, whereas oscillations in 'non-sunspot' loops show periods centred around 5 minutes. The observed longitudinal oscillations are interpreted as propagating slow magneto-acoustic waves and we show that the disturbances are not flare-driven but are most likely caused by an underlying driver exciting the loop footpoints. We present a simple theoretical model to explain the observed features.

Affiliated with

Also associated with

No associations

Rating

An overview of longitudinal oscillations in coronal loops 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 An overview of longitudinal oscillations in coronal loops, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and An overview of longitudinal oscillations in coronal loops will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-963886