1-100-micron energy spectra and 2.3-4-micron spectrophotometry of MSC stars

Details 1-100-micron energy spectra and 2.3-4-micron spectrophotometry of MSC stars 1-100-micron energy spectra and 2.3-4-micron spectrophotometry of MSC stars

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acasn..33..139c&link_type=abstract

Acta Astronomica Sinica (ISSN 0001-5245), vol. 33, no. 2, p. 139-145.

Astronomy and Astrophysics

Astronomy

Carbon Stars, Energy Spectra, Giant Stars, M Stars, S Stars, Stellar Spectrophotometry, Absorption Spectra, Infrared Astronomy Satellite, Stellar Evolution

Scientific paper

1-100-micron photometry and 2.3-4-micron spectrophotometry are presented for some M giants, S type stars, and carbon stars. When combined with IRAS data, the energy spectra in the 1-100-micron region for S type stars are found to be in between those for M giants and carbon stars. In addition to the strong absorption at 3.1 microns for carbon stars caused by NCH and C2H2, weak absorption for some type S stars is observed in the same region. No trace of absorption at 3.1 microns, however, is seen for M giants. The results are believed to support the M-S-C sequence in the late stage of stellar evolution.

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