===== Detection of the Phosphaethynyl Radical, CP, toward IRC +10216 ===== The phosphaethynyl radical, CP, has been detected in five lines of three rotational transitions in the millimeter-wave region:\\ M. Guélin, J. Cernicharo, G.Paubert, and B. E. Turner,\\ **[[https://ui.adsabs.harvard.edu/abs/1990A%26A...230L...9G|Free CP in IRC +10216]]**\\ //Astron. Astrophys.// **230**, L9–L11 (1990). ---- Contributor(s): H. S. P. Müller; 05, 2007 ----