SIMBAD references

2003ApJ...591L..57J - Astrophys. J., 591, L57-L60 (2003/July-1)

The librating companions in HD 37124, HD 12661, HD 82943, 47 Ursa Majoris, and GJ 876: alignment or antialignment.

JI J., LIU L., KINOSHITA H., ZHOU J., NAKAI H. and LI G.

Abstract (from CDS):

We investigated the apsidal motion for the multiplanet systems. In the simulations, we found that the two planets of HD 37124, HD 12661, 47 UMa, and HD 82943 separately undergo apsidal alignment or antialignment. However, the companions of GJ 876 and υ And are in apsidal lock only about 0°. Moreover, we obtained the criteria with Laplace-Lagrange secular theory to discern whether a pair of planets for a certain system are in libration or circulation.

Abstract Copyright: ∼

Journal keyword(s): Celestial Mechanics - Methods: {em n}-Body Simulations - Stars: Planetary Systems - Stars: Individual: Henry Draper Number: HD 12661 - Stars: Individual: Henry Draper Number: HD 37124 - Stars: Individual: Henry Draper Number: HD 82943

Simbad objects: 27

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