TY - GEN
T1 - Tidal evolution of star-planet systems
AU - Mardling, Rosemary A.
PY - 2010/10
Y1 - 2010/10
N2 - The equilibrium tide model in the weak friction approximation is used by the binary star and exoplanet communities to study the tidal evolution of short-period systems, however, each uses a slightly different approach which potentially leads to different conclusions about the timescales on which various processes occur. Here we present an overview of these two approaches, and show that for short-period planets the circularization timescales they predict differ by at most a factor of a few. A discussion of the timescales for orbital decay, spin-orbit synchronization and spin-orbit alignment is also presented.
AB - The equilibrium tide model in the weak friction approximation is used by the binary star and exoplanet communities to study the tidal evolution of short-period systems, however, each uses a slightly different approach which potentially leads to different conclusions about the timescales on which various processes occur. Here we present an overview of these two approaches, and show that for short-period planets the circularization timescales they predict differ by at most a factor of a few. A discussion of the timescales for orbital decay, spin-orbit synchronization and spin-orbit alignment is also presented.
KW - Celestial mechanics
KW - Methods: analytical
KW - Planetary systems
KW - Planets and satellites: dynamical evolution and stability
KW - Planets and satellites: formation
UR - https://www.scopus.com/pages/publications/84882958885
U2 - 10.1017/S1743921311020242
DO - 10.1017/S1743921311020242
M3 - Conference Paper
AN - SCOPUS:84882958885
SN - 9780521196529
VL - 6
T3 - Proceedings of the International Astronomical Union
SP - 238
EP - 242
BT - The Astrophysics of Planetary Systems: Formation, Structure, and Dynamical Evolution
ER -