Infrared spectroscopy of P-Cygni's stellar wind

Details Infrared spectroscopy of P-Cygni's stellar wind Infrared spectroscopy of P-Cygni's stellar wind

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.192...13f&link_type=abstract

In ESA Galactic and Extragalactic Infrared Spectroscopy p 13-15 (SEE N83-18593 08-88)

Computer Science

4

Infrared Spectroscopy, Line Spectra, Stellar Spectra, Stellar Winds, Comparison, Flow Velocity, Flux Density, Hydrogen, Radio Emission, Ratios, Stellar Mass Ejection

Scientific paper

Infrared spectroscopy of the early Br alpha, Br gamma, Pf beta, and Pf gamma lines with lambda/delta lambda approximately equals 800 is presented. The integrated line intensities and their relative ratios can be explained in terms of emission from an optically thick extended envelope created by the stellar mass loss. Constraints on the flow velocity in the region of the wind where the line emission occurs can be derived from the observed intensity ratios. The integrated line intensities, in conjunction with infrared and ratio continuum flux density measurements, can be used to determine the mass loss parameters.

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