Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618

@inproceedings{Bujarrabal2010HerschelHIFIOO,
  title={Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618},
  author={V. Bujarrabal and Javier Alcolea and Rebeca Soria-Ruiz and Pere Planesas and Daniel Teyssier and Anthony P. Marston and Jos'e Cernicharo and Leen Decin and Carsten Dominik and Kay Justtanont and Alex de Koter and G. Melnick and Karl M. Menten and David A. Neufeld and Henrik Olofsson and Matthias Schmidt and F. L. Schoier and Ryszard Szczerba and L. Waters and Guillermo Quintana-Lacaci and Rolf Gusten and Juan Daniel Gallego and M. C. Diez-Gonzalez and A. Barcia and Isaac L{\'o}pez-Fern{\'a}ndez and K. Wildeman and A. G. G. M. Tielens and Keren Jacobs},
  year={2010}
}
  • V. Bujarrabal, Javier Alcolea, +25 authors Keren Jacobs
  • Published 2010
  • Physics
  • Aims. We aim to study the physical conditions, particularly the excitation state, of the intermediate-temperature gas components in the protoplanetary nebula CRL 618. These components are particularly important for understanding the evolution of the nebula. Methods. We performed Herschel/HIFI observations of several CO lines in the far-infrared/sub-mm in the protoplanetary nebula CRL 618. The high spectral resolution provided by HIFI allows measurement of the line profiles. Since the dynamics… CONTINUE READING

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    E–19080 Guadalajara, Spain 18 SRON, Netherlands Institute for Space Research, Landleven

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