Peer-Reviewed Journal Details
Mandatory Fields
Bell, TA,Whyatt, W,Viti, S,Redman, MP
2007
December
Monthly Notices Of The Royal Astronomical Society
A search for CO+ in planetary nebulae
Published
()
Optional Fields
ISM molecules planetary nebulae general PROTOPLANETARY NEBULAE MOLECULAR ENVELOPES HELIX NEBULA CHEMISTRY CRL-618 MILLIMETER EMISSION IONS
382
1139
1144
We have carried out a systematic search for the molecular ion CO+ in a sample of eight protoplanetary and planetary nebulae in order to determine the origin of the unexpectedly strong HCO+ emission previously detected in these sources. An understanding of the HCO+ chemistry may provide direct clues for the physical and chemical evolution of planetary nebulae. We find that the integrated intensity of the CO+ line may be correlated with that of HCO+, suggesting that the reaction of CO+ with molecular hydrogen may be an important formation route for HCO+ in these planetary nebulae.
DOI 10.1111/j.1365-2966.2007.12398.x
Grant Details
Publication Themes