Orbital changes of the gaseous ring around Be stars

Details Orbital changes of the gaseous ring around Be stars Orbital changes of the gaseous ring around Be stars

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...212..123h&link_type=abstract

Astrophysical Journal, Part 1, vol. 212, Feb. 15, 1977, p. 123-131. NASA-supported research.

Astronomy and Astrophysics

Astrophysics

13

B Stars, Early Stars, Orbital Elements, Stellar Envelopes, Interstellar Gas, Radial Velocity, Stellar Mass Ejection, Stellar Rotation

Scientific paper

In order to understand the seemingly erratic V/R variations and radial velocity curves of emission edges and central absorption of some Be stars, we have advanced, for the changes of structure of the gaseous ring around these stars, a theory that is based on the interaction between the existing ring and the newly ejected matter from the star. It shows that the structural change of the ring is completely controlled by the angular-momentum input factor and the dissipation factor. In light of this understanding, we have gone on to interpret the observed results of Beta-1 Mon and Pi Aqr.

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