High resolution infrared spectroscopy of symbiotic stars

Details High resolution infrared spectroscopy of symbiotic stars High resolution infrared spectroscopy of symbiotic stars

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..339b&link_type=abstract

In ESA, Infrared Spectroscopy in Astronomy p 339-341 (SEE N90-19084 11-89)

Astronomy and Astrophysics

Astronomy

Emission Spectra, Infrared Astronomy, Infrared Spectroscopy, Spectral Resolution, Stellar Spectra, Symbiotic Stars, Binary Stars, High Resolution, Infrared Spectra, Line Spectra, Spectrum Analysis, Stellar Structure

Scientific paper

Early results of high resolution (5,000 to 40,000) infrared spectroscopy (1 to 2.5 microns) of different symbiotic stars are reported. The observation of T GB, RW Hya, CI Cyg and PU Vul stars is performed with the Fourier transform spectrometer of a 3.6 m telescope. The nature of their cool component is studied and the detected CO absorption lines are discussed. Very different profiles of hydrogen Brackett gamma and helium 10830 angstrom lines are shown for Ci Cyg observed at different phases, while Pu Vul shows very intense emission lines.

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