IUE and ESO observations of the P CYG star AG Carinae and its ring nebula

Details IUE and ESO observations of the P CYG star AG Carinae and its ring nebula IUE and ESO observations of the P CYG star AG Carinae and its ring nebula

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nascp2349..231v&link_type=abstract

In NASA. Goddard Space Flight Center Future of Ultraviolet Astronomy Based on Six Years of IUE Res. p 231-234 (SEE N85-20961 1

Astronomy and Astrophysics

Astronomy

22

Nebulae, Stellar Envelopes, Ultraviolet Spectra, Variable Stars, Visible Spectrum, Iue, Spectral Energy Distribution, Stellar Evolution, Stellar Luminosity

Scientific paper

From the study of the optical and ultraviolet spectrum of the P Cyg variable AG Car, the authors conclude that this high luminosity (Mbol ≅ -8.3), high mass loss star is a massive object evolving towards the WR region after a cool supergiant phase. Like in other superluminous stars, the large photometric and spectroscopic variations are attributed to flux redistribution of the stellar radiation due to structure variations of the expanding atmosphere.

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