First Extragalactic Detection of HCO

Some evidence for extragalactic HCO has been reported in

L. J. Sage and L. M. Ziurys,
Toward Extragalactic Chemistry: Detections of N2H+ and SiO in Nearby Galaxies,
Astrophys. J. 447, 625-629 (1991).

Source(s): NGC253, M82
Facility: NRAO 12m

Contributor(s): S. Thorwirth; 09/2005