Effect of radiation on the stability of equilibrium points in the binary stellar systems: RW-Monocerotis, Krüger 60

Details Effect of radiation on the stability of equilibrium points in the binary stellar systems: RW-Monocerotis, Krüger 60 Effect of radiation on the stability of equilibrium points in the binary stellar systems: RW-Monocerotis, Krüger 60

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ap%26ss.314..261d&link_type=abstract

Astrophysics and Space Science, Volume 314, Issue 4, pp.261-274

Astronomy and Astrophysics

Astrophysics

3

Radiation, Poynting-Robertson Drag, Binary Stellar System, Equilibrium Points, Stability

Scientific paper

We have studied the stability of location of various equilibrium points of a passive micron size particle in the field of radiating binary stellar system within the framework of circular restricted three body problem. Influence of radial radiation pressure and Poynting-Robertson drag (PR-drag) on the equilibrium points and their stability in the binary stellar systems RW-Monocerotis and Krüger-60 has been studied. It is shown that both collinear and off axis equilibrium points are linearly unstable for increasing value of β 1 (ratio of radiation to gravitational force of the massive component) in presence of PR-drag for the binary systems. Further we find that out of plane equilibrium points ( L i , i=6,7) may exists for range of values of β 1>1 for these binary systems in the presence of PR-drag. Our linear stability analysis shows that the motion near the equilibrium points L 6,7 of the binary systems is unstable both in the absence and presence of PR-drag.

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