SOT: HOP 269
2015-02-15T23:36:00 to 2015-02-16T01:20:00
Science Goal: Prominence-Coronal Cavity Systems
Program: Ca H 16 s 2kx2k 2x2 1200ms Q90 ROI3
Target: Prominence
xcen=918 ycen=-170
Instrument: SOT
HOP/JOP: 0
Description:
A Prominence-Coronal Cavity system (PCC) is a large-scale structure in the solar corona that consists of a dense, cool prominence surrounded by a low-density, hot coronal cavity. PCCs are likely manifestations of helical magnetic flux ropes located on the quiet Sun away from active regions (ARs). Their significance lies in the fact that eruptions of PCCs constitute ~40% of all coronal mass ejections (CMEs
Gopalswamy 2006). Therefore, understanding the formation, evolution, and eruption of PCCs is critical to probing the underlying physics of CMEs, a fundamental open question in solar physics.
