Hostname: page-component-848d4c4894-2pzkn Total loading time: 0 Render date: 2024-05-22T05:13:29.403Z Has data issue: false hasContentIssue false
  • English
  • Français

Atmospheric Phenomena in ETA Carinae and the Hubble-Sandage Variables

Published online by Cambridge University Press:  12 April 2016

R. Viotti ,
L. Rossi ,
A. Altamore ,
C. Rossi ,
G.B. Baratta  and
A. Cassatella
R. Viotti
Affiliation:
Istituto Astrofisica Spaziale, CNR, Frascati, Italy
L. Rossi
Affiliation:
Istituto Astrofisica Spaziale, CNR, Frascati, Italy
A. Altamore
Affiliation:
Istituto Astronomico, Roma University, Italy
C. Rossi
Affiliation:
Istituto Astronomico, Roma University, Italy
G.B. Baratta
Affiliation:
Osservatorio Astronomico, Roma, Italy
A. Cassatella
Affiliation:
IUE Observatory, ESA, Madrid, Spain

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

From the analysis of the galactic counterparts of the HS variables, η Car, AG Car and P Cyg we conclude that their atmospheres are near critical physical conditions so that small changes of the mass outflow could produce a large variation of the atmospheric structure and nova-like explosions at nearly constant Mbol.

Type
Part II. Mass-Losing Stars in Different Stages of Evolution
Information
International Astronomical Union Colloquium , Volume 108: Atmospherics Diagnostics of Stellar Evolution: Chemical Peculiarity, Mass Loss, and Explosion , 1988 , pp. 127 - 128
Copyright
Copyright © Springer-Verlag 1988

References

Altamore, A., Baratta, G.B., Cassatella, A., Rossi, L., Viotti, R.:1986, New Insights in Astrophysics, ESA SP-263, p. 303.Google Scholar
Andriesse, C.D., Donn, B.D., Viotti, R.: 1978, MNRAS 185, 771 Google Scholar
Caputo, F., Viotti, R.: 1970, Astron. Astrophys. 7, 266.Google Scholar
Davidson, K., Walborn, N.R., Guli, T.R.: 1982, Ap. J. 254, 47.Google Scholar
de Groot, M.: 1969, Bull. astr. Soc. Netherlands 20, 225.Google Scholar
Hofmann, K.-H., Weigelt, G.: 1986, Astr. Astrophys. 167, 15.Google Scholar
Lamers, H.J.G.L.M., et al.: 1983, Astr. Astrophys. 128, 299 Google Scholar
Mayor, M., Mazeh, T.: 1987, Astron. Astrophys. 171, 157.Google Scholar
Stahl, O.: 1986, Astron. Astrophys. 164, 321.Google Scholar
Viotti, R.: 1987, Instabilities in Luminous Early Type Stars, Lamers, H.J. and de Loore, C. eds., Reidel, Dordrecht, p. 257.Google Scholar
Viotti, R., Altamore, A., Barylak, M., Cassatella, A., Gilmozzi, R., Rossi, C.: 1984, NASA CP 2349, p. 231.Google Scholar
Viotti, R., Cassatella, A., Ponz, D., The’, P.S.: 1987, Astr. Astrophys. in press.Google Scholar
Wolf, B., Stahl, O.: 1983, The Messenger n. 33, p. 11.Google Scholar