Low state: Evidence for a new feature at
~
7 keV (in addition to that at 6.4 keV)
Signature of the hot corona?
Evolution of the 7 keV
line along the 35d cycle
7 keV line confirmed by Chandra at
j
35
= 0.44, 0.46
(Jimenez et al)
f
35
= 0.02
f
35
= 0.79