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Interstellar bubbles. II - Structure and evolution
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1977
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The study presents a detailed structure of the interaction between a strong stellar wind and the interstellar medium. It derives adiabatic similarity solutions for early times, extends them to include thermal conduction and radiative losses, and calculates bubble evolution while addressing stellar motion, shell stability, and observable properties. The computed outer‑shell radius, velocity, and O VI column densities agree within a factor of two with the earlier Castor–McCray–Weaver results. Published in The Astrophysical Journal, December 1977 (DOI 10.1086/155692).
view Abstract Citations (1829) References (40) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Interstellar bubbles. II. Structure and evolution. Weaver, R. ; McCray, R. ; Castor, J. ; Shapiro, P. ; Moore, R. Abstract The detailed structure of the interaction of a strong stellar wind with the interstellar medium is presented. First, an adiabatic similarity solution is given which is applicable at early times. Second, a similarity solution is derived which includes the effects of thermal conduction between the hot (about 1 million K) interior and the cold shell of swept-up interstellar matter. This solution is then modified to include the effects of radiative energy losses. The evolution of an interstellar bubble is calculated, including the radiative losses. The quantitative results for the outer-shell radius and velocity and the column density of highly ionized species such as O VI are within a factor 2 of the approximate results of Castor, McCray, and Weaver (1975). The effect of stellar motion on the structure of a bubble, the hydrodynamic stability of the outer shell, and the observable properties of the hot region and the outer shell are discussed. Publication: The Astrophysical Journal Pub Date: December 1977 DOI: 10.1086/155692 Bibcode: 1977ApJ...218..377W Keywords: Interstellar Gas; Plasma Interactions; Stellar Winds; Adiabatic Flow; Bubbles; Conductive Heat Transfer; Early Stars; Energy Dissipation; Hydrodynamics; Ion Density (Concentration); Radiative Transfer; Stellar Motions; Astrophysics full text sources ADS | data products SIMBAD (1) Related Materials (2) Erratum: 1978ApJ...220..742W Part 1: 1975ApJ...200L.107C