Visible and infrared study of L.P.V. with the 1 M telescope

Details Visible and infrared study of L.P.V. with the 1 M telescope Visible and infrared study of L.P.V. with the 1 M telescope

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985msngr..40...17b&link_type=abstract

ESO Messenger (ISSN 0722-6691), June 1985, p. 17-19.

Physics

1

Abundance, Giant Stars, Infrared Stars, Stellar Atmospheres, Stellar Luminosity, Variable Stars, Carbon Monoxide, Carbon Stars, Interstellar Gas, Stellar Envelopes, Supergiant Stars

Scientific paper

Long-period variables (LPVs) were studied photometrically with the 1 m telescope at La Silla. LPVs are characterized by luminosity variations lasting 100-2000 days, low temperature giant or supergiant central stars, and carbon or oxygen overabundance. Most are surrounded by gas and dust shells. Star and shell data, including the distance, shell expansion velocity, central star effective temperature, optical depth of the dust shell, condensation temperature, mass loss rate, and total luminosity are provided. The survey covered IRC-30021, GL 3068, IRC-30023, and OH 353.60 - 0.23. Recent data for R For and IRC-30023 are discussed in detail.

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