Effect of perturbed potentials on the non-linear stability of libration pointL
4 in the restricted problem |
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Authors: | K B Bhatnagar Usha Gupta Rashmi Bhardwaj |
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Institution: | 1. Department of Mathematics, Zakir Husain College, University of Delhi, 110002, Delhi, India
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Abstract: | The non-linear stability of the libration pointL
4 in the restricted problem has been studied when there are perturbations in the potentials between the bodies. It is seen that the pointL
4 is stable for all mass ratios in the range of linear stability except for three mass ratios depending upon the perturbing functions. The theory is applied to the following four cases:(i) |
There are no perturbations in the potentials (classical problem).
| (ii) |
Only the bigger primary is an oblate spheroid whose axis of symmetry is perpendicular to the plane of relative motion (circular) of the primaries.
| (iii) |
Both the primaries are oblate spheroids whose axes of symmetry are perpendicular to the plane of relative motion (circular) of the primaries.
| (iv) |
The primaries are spherical in shape and the bigger is a source of radiation.
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Keywords: | Lagrangian points stability oblate primary |
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