Other
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.3706w&link_type=abstract
American Astronomical Society Meeting 210, #37.06; Bulletin of the American Astronomical Society, Vol. 39, p.151
Other
Scientific paper
Spectroscopic observations of a solar limb flare recorded by SUMER on SOHO reveal, for the first time, hot fast magnetic reconnection outflows in the corona. The Observations from TRACE and RHESSI allow us to determine the location of magnetic reconnection region. We find that as the reconnection site rises across the SUMER spectrometer slit, significant blue- and red-shift signatures are observed in the Fe XIX line, reflecting upflows and downflows of hot plasma jets, respectively. With the projection effect corrected, the measured outflow speed is between about 900-3500 km/s, consistent with thoeretic predictions. Based on theoretic models, the magnetic field strength near the reconnection region is estimated to be 19-37 Gauss. Our observations of reconnection jets and other signatures such as the erupting flux loop and cusp-shaped postflare loops are consistent with the classic scenario of magnetic reconnection of solar flares.
Qiu Jianwei
Sui Linhui
Wang Tongjiang
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