Detection of optical coronal emission from 10^6 K gas in the core of the Centaurus cluster

R. E. A. Canning, A. C. Fabian, R. M. Johnstone +4

We report a detection (3.5x10^37 \pm 5.6x10^36 ergps) of the optical coronal emission line [Fe X]6374 and upper limits of four other coronal lines using high resolution VIMOS spect…