Atomic carbon in PSS 2322+1944, a quasar at redshift 4.12

J. Pety, A. Beelen, P. Cox +4

We report the detection of the 3P1 to 3P0 fine-structure line of neutral carbon in the z=4.12 quasar PSS 2322+1944, obtained at the IRAM Plateau de Bure interferometer. The CI 3P1-…