Active region maps

The three images below show active region AR 10926 which was observed by EIS with a raster beginning at 02:46 UT on 2 December 2006. The top image shows an intensity image of the active region obtained from the Fe XII 195.12 A emission line (formed at 1.5 million K). The middle image shows a line-of-sight velocity map derived from the same emission line. Blue indicates plasma moving towards the observer, and red plasma moving away from the observer. The bottom image shows a line width map, again from the Fe XII emission line. Small line widths correspond to dark blue, high line widths to yellow. The images correspond to an area on the Sun of 370,000 km x 185,000 km.


This page mantained by Dr.P.R.Young, last revised on 20-Aug-2013