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Comparison of energies between eruptive phenomena and magnetic field in AR 10930
Ravindra, B.; Howard, Timothy A.
We present a study comparing the energy carried away by a coronal mass ejection (CME) and the radiative energy loss in associated flare plasma, with the decrease in magnetic free energy during a release in active region NOAA 10930 on December 13, 2006 during the declining phase of the solar cycle 23. The ejected CME was fast and directed towards t…
Estimation of C II and C II* column densities along Galactic sight-lines
Sofia, Ulysses J.; Babu, B. R. S.; Murthy, Jayant +1 more
We present interstellar C II (1334.5323 Å) and C II* (1335.7077 Å) column density measurements along 14 Galactic sight-lines. These sight-lines sample a variety of Galactic disk environments and include paths that range nearly two orders of magnitude in average hydrogen densities (<n(H)>) along the lines of sight. Five of the sight-lines sho…