Classical and relativistic node precessional effects in WASP-33b and perspectives for detecting them

Details Classical and relativistic node precessional effects in WASP-33b and perspectives for detecting them Classical and relativistic node precessional effects in WASP-33b and perspectives for detecting them

2010-06-14

arxiv.org/abs/1006.2707v6

Astrophys. Space Sci. 331:485-496, 2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex2e, 12 pages, 3 tables, 6 figures. References added and updated. To appear in Astrophysics and Space Science (ApSS)

Scientific paper

10.1007/s10509-010-0468-x

WASP-33 is a fast rotating, main sequence star which hosts a hot Jupiter moving along a retrograde and almost polar orbit with semi-major axis a = 0.02 au and eccentricity provisionally set to e = 0. The quadrupole mass moment J_2 and the proper angular momentum S of the star are 1900 and 400 times, respectively, larger than those of the Sun. Thus, huge classical and relativistic non-Keplerian orbital effects should take place in such a system. In this paper we investigate the perspectives in detecting them (Abridged)

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