Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2010-03-24
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
32 pages, 23 figures, Accepted for publication by the Astrophysical Journal (Oct. 2010)
Scientific paper
Supra-arcade downflows (SADs) have been observed with Yohkoh/SXT (soft X-rays (SXR)), TRACE (extreme ultra-violet (EUV)), SoHO/LASCO (white light), SoHO/SUMER (EUV spectra), and Hinode/XRT (SXR). Characteristics such as low emissivity and trajectories which slow as they reach the top of the arcade are consistent with post-reconnection magnetic flux tubes retracting from a reconnection site high in the corona until they reach a lower-energy magnetic configuration. Viewed from a perpendicular angle, SADs should appear as shrinking loops rather than downflowing voids. We present XRT observations of supra-arcade downflowing loops (SADLs) following a coronal mass ejection (CME) on 2008 April 9 and show that their speeds and decelerations are consistent with those determined for SADs. We also present evidence for a possible current sheet observed during this flare that extends between the flare arcade and the CME. Additionally, we show a correlation between reconnection outflows observed with XRT and outgoing flows observed with LASCO.
Forbes Terry G.
Longcope Dana Warfield
McKenzie David E.
Reeves Katharine K.
Savage Sabrina L.
No associations
LandOfFree
Reconnection Outflows and Current Sheet Observed with Hinode/XRT in the 2008 April 9 "Cartwheel CME" Flare 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 Reconnection Outflows and Current Sheet Observed with Hinode/XRT in the 2008 April 9 "Cartwheel CME" Flare, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reconnection Outflows and Current Sheet Observed with Hinode/XRT in the 2008 April 9 "Cartwheel CME" Flare will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-555506