28 citations · 116 across the 10 of their papers we have counts for
11 papers
Heating of a plasma sheet in nonequilibrium ionization with nonthermal electrons
Jin-Yi Lee, John C. Raymond, Katharine K. Reeves +4
A flux rope eruption on September 10, 2017 provides unique observations of the plasma sheet beneath the rising flux rope. The plasma sheet is likely in a nonequilibrium state in te…
Solar Energetic Particle Charge States and Abundances with Nonthermal Electrons
Jin-Yi Lee, Stephen Kahler, John C. Raymond +1
An important aspect of solar energetic particle (SEP) events is their source populations. Elemental abundance enhancements of impulsive SEP events, originating in presumed coronal…
Accelerating and Supersonic Density Fluctuations in Coronal Hole Plumes: Signature of Nascent Solar Winds
Il-Hyun Cho, Valery M. Nakariakov, Yong-Jae Moon +5
Slow magnetoacoustic waves in a static background provide a seismological tool to probe the solar atmosphere in the analytic frame. By analyzing the spatiotemporal variation of the…
A New Type of Jets in a Polar Limb of Solar Coronal Hole
Il-Hyun Cho, Yong-Jae Moon, Kyung-Suk Cho +3
A new type of chromospheric jets in a polar limb of a coronal hole is discovered in the Ca II filtergram of the Solar Optical Telescope on board the \textit{Hinode}. We identify 30…
Forecast of Daily Major Flare Probability Using Relationships between Vector Magnetic Properties and Flaring Rates
Daye Lim, Yong-Jae Moon, Jongyeob Park +4
We develop forecast models of daily probability of major flares (M- and X-class) based on empirical relationships between photospheric magnetic parameters and daily flaring rates f…
Non-equilibrium ionization effects on solar EUV and X-ray imaging observations
Jin-Yi Lee, John C. Raymond, Katharine K. Reeves +3
During transient events such as major solar eruptions, the plasma can be far from the equilibrium ionization state because of rapid heating or cooling. Non-equilibrium ionization~(…
Seismological determination of the Alfvén speed and plasma-beta in solar photospheric bright points
Il-Hyun Cho, Yong-Jae Moon, Valery M. Nakariakov +7
The Alfvén speed and plasma beta in photospheric bright points observed by the Broadband Filter Imager (BFI) of the Solar Optical Telescope (SOT) on board the \textit{Hinode} satel…
2D solar wind speeds from 6 to 26 solar radii in solar cycle 24 by using Fourier filtering
Il-Hyun Cho, Yong-Jae Moon, Valery M. Nakariakov +5
Measurement of the solar wind speed near the Sun is important for understanding the acceleration mechanism of the solar wind. In this study, we determine 2D solar wind speeds from…
Heating of an erupting prominence associated with a solar coronal mass ejection on 2012 January 27
Jin-Yi Lee, John C. Raymond, Katharine K. Reeves +2
We investigate the heating of an erupting prominence and loops associated with a coronal mass ejection and X-class flare. The prominence is seen in absorption in EUV at the beginni…
Mass and energy of erupting solar plasma observed with the X-Ray Telescope on Hinode
Jin-Yi Lee, John C. Raymond, Katharine K. Reeves +2
We investigate seven eruptive plasma observations by Hinode/XRT. Their corresponding EUV and/or white light CME features are visible in some events. Five events are observed in sev…
Low ionization state plasma in CMEs
Jin-Yi Lee, John C. Raymond
The Ultraviolet Coronagraph Spectrometer on board the Solar and Heliospheric Observatory (SOHO) often observes low ionization state coronal mass ejection (CME) plasma at ultraviole…