(1) Observatoire de Paris, 92195 Meudon, France;(2) DLR, Institute of Space Sensor Technology and Planetary Exploration, Rutherfordstrasse, 12489 Berlin, Germany;(3) California Institute of Technology, MS 320-47, Pasadena, CA 91125, USA
Abstract:
We present radio observations of HCO+, H3O+ and CO+ in Hale-Bopp. This revised version was published online in July 2006 with corrections to the Cover Date.