IUE spectra of RS Puppis and HD 20722 - Stars in symmetric dusty nebulae

Details IUE spectra of RS Puppis and HD 20722 - Stars in symmetric dusty nebulae IUE spectra of RS Puppis and HD 20722 - Stars in symmetric dusty nebulae

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..285j&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, June-July 1981, p. 285-287.

Astronomy and Astrophysics

Astronomy

Cepheid Variables, Giant Stars, K Stars, Nebulae, Stellar Mass Ejection, Stellar Spectra, Ultraviolet Spectra, Absorption Spectra, Focal Plane Devices, Iue, Line Spectra, Near Ultraviolet Radiation, Solar Spectra

Scientific paper

Spectra obtained by the IUE satellite of the Cepheid variable RS Puppis and the K giant HD 20722, both of which are surrounded by symmetric nebula, are presented. Exposures were made in 1980 with the long wavelength redundant camera and 10 x 20 arcmin focal plane aperture at a spatial resolution of about 5 arcsec and spectral resolution about 6 A. No anomalies are found in the low-dispersion spectra of the stars with nebula with respect to those of apparently similar stars that lack nebulae. It is pointed out, however, that high-resolution studies of the Mg II doublet are still warranted since the doublet profile, which is unresolved in the present studies, is a sensitive indicator of mass loss effects.

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