Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.290..385s&link_type=abstract
In ESA, Infrared Spectroscopy in Astronomy p 385-386 (SEE N90-19084 11-89)
Astronomy and Astrophysics
Astronomy
Hydrogen Recombinations, Infrared Spectra, Line Spectra, O Stars, Stellar Winds, Infrared Astronomy, Mass Distribution, Spectrum Analysis, Stellar Models, Stellar Spectra, Variable Mass Systems
Scientific paper
A simple stellar wind model, hydrogenic approximations and scaling laws are used to derive information about recombination lines in the Infrared Space Observatory range (1 to 100 microns). The boundary level from above which recombination lines originate, is estimated for a 40,000 star and the results show that it is in the range n=2 to 10 for the most abundant elements. A simple model to evaluate the population of levels above the boundary level is given. The results are used to produce a table of predictions of fluxes and equivalent widths of recombination lines for H, He, CIII-IV, NIII-V and OIII-V.
Lamers Henny J. G. L. M.
Strous Louis H.
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