A. Fuente, S. García-Burillo, M. Gerin, J. R. Rizzo, A. Usero, D. Teyssier,
E. Roueff, and J. Le Bourlot
Detection of CO+ in the Nucleus of M82,
Astrophys. J. 641, L105L108 (2006).
Facility: IRAM 30 m
Two fine structure components of the N = 2 1 transition have been detected at 235789.64 and 236062.55 GHz, respectively.
A tentative detection of the N = 1 0 fs components had been recorded few years earlier by:
A. Fuente, J. H. Black, J. Martín-Pintado, A. Rodríguez-Franco, S. García-Burillo, P. Planesas, and J. Lindholm
Tentative Detection of CO+ toward Cygnus A,
Astrophys. J. 545, L113L116 (2000).