HR: 1340h
AN: SH53B-0329    [Abstracts]
TI: Coronal Transequatorial Loops and Coronal Mass Ejections
AU: * Li, Y
EM: yanli@ssl.berkeley.edu
AF: Space Sciences Laboratory University of California, 7 Gauss Way, Berkeley, CA 94720 United States
AU: Luhmann, J G
AF: Space Sciences Laboratory University of California, 7 Gauss Way, Berkeley, CA 94720 United States
AB: Several papers have addressed many interesting aspects of coronal Trasequatorial Loop Systems (TLSs) in terms of their formation between different regions on the Sun, the evolution and the morphology. A few papers also studied the association between TLSs and Coronal Mass Ejections (CMEs). For those CME association studies, the largest data set cover only two years with most of the events from 1998, although consistent results were shown. In this work, we study the solar cycle dependence of the TLSs using PFSS models and MWO synoptic maps. In PFSS models here TLSs are represented with field lines that rooted in active regions at one or both ends. Comparisons between the selected PFSS field lines and YOHKOH coronal loops have shown good agreement. Our results show that TLSs take on the butterfly diagram trend. We also study TLS and CME association using an extended data set (including some published event lists) covering 1996 to 2000 when YOHKOH and SOHO were both in operation.
DE: 7500 SOLAR PHYSICS, ASTROPHYSICS, AND ASTRONOMY
DE: 7509 Corona
DE: 7513 Coronal mass ejections
DE: 7524 Magnetic fields
DE: 7536 Solar activity cycle (2162)
SC: SPA-Solar and Heliospheric Physics [SH]
MN: 2004 AGU Fall Meeting