Millimetre observations of infrared carbon stars - I. The data

M Sevenster, HWW Spoon, I Perez, MAT GROENEWEGEN*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

29 Citations (Scopus)

Abstract

Millimetre observations of IRAS selected red carbon stars are presented. About 260 stars have been observed with SEST and IRAM in the CO (1-0) and CO (2-1) lines and partially in HCN (1-0) and SiO (3-2). An overall detection rate, in at least one line, of about 80% is achieved. The survey represents the second largest survey for AGB stars, and the largest ever for carbon stars. Two new detections in SiO (3-2) in carbon stars are reported. When available, the SiO/HCN and HCN/CO (1-0) line ratios are consistent with the ratios expected for carbon stars.

Original languageEnglish
Pages (from-to)501-510
Number of pages10
JournalAstronomy & Astrophysics
Volume390
Issue number2
DOIs
Publication statusPublished - Aug-2002

Keywords

  • circumstellar matter
  • stars : mass-loss
  • stars : AGB and post-AGB
  • CIRCUMSTELLAR ENVELOPES
  • RADIAL-VELOCITIES
  • HCN OBSERVATIONS
  • JHK PHOTOMETRY
  • GALACTIC PLANE
  • EVOLVED STARS
  • IRAS SOURCES
  • AGB STARS
  • CO
  • CANDIDATES

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