[CI] and CO in the center of M 51

F. P. Israel, R. P. J. Tilanus, F. Baas

We present J=2-1, J=3-2, J=4-3 12CO maps as well as J=2-1, J=3-2 13CO and 492 GHz [CI] measurements of the central region in M51. The distribution of CO is strongly concentrated to…