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Article
Broad line emission from iron K- and L-shell transitions in the active galaxy 1H 0707-495
The emission line arising from a transition of an electron from the iron K shell to the ground state (the K line) is prominent in the reflection spectrum of the hard X-ray continuum irradiating dense accreting...
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Article
The association of GRB 060218 with a supernova and the evolution of the shock wave
A link between long γ-ray bursts (GRBs) and supernovae has been established, but whether there is a similar relationship between the weaker and softer X-ray flashes and supernovae is unclear. GRB/XRF 060218, s...