First Extragalactic Detection of HCO+
A. A. Stark and R. S. Wolff,
Some observations of extragalactic HCO<sup>+</sup> and HCN,
Astrophys. J. 229, 118-120 (1979).
Source(s): M82
Facility: Bell Labs 7m
First Extragalactic Detection of H13CO+
R. Mauersberger and C. Henkel
Dense gas in nearby galaxies. IV - The detection of N<sub>2</sub>H<sup>+</sup>, SiO, H<sup>13</sup>CO<sup>+</sup>, H<sup>13</sup>CN, and HN<sup>13</sup>C,
Astron. Astrophys. 245, 457-466 (1991).
Source(s): NGC253, IC342, and tentatively in M82
Facility: IRAM 30m
First Extragalactic Detection of DCO+
Y.-N. Chin, C. Henkel, T. J. Millar, J. B. Whiteoak, and R. Mauersberger, R.
Molecular abundances in the Magellanic Clouds. II. Deuterated species in the LMC,
Astron. Astrophys. 312, L33-L36 (1996).
Source(s): LMC
Facility: SEST 15m
Contributor(s): S. Thorwirth; 09/2005