2024RNAAS...8..133C


Query : 2024RNAAS...8..133C

2024RNAAS...8..133C - Research Notes of the AAS, 8, 133 (2024/May-0)

Why the Laplace Resonant Angle is So Special.

CHRISTODOULOU D.M., LAYCOCK S.G.T. and KAZANAS D.

Abstract (from CDS):

We analyze adjacent local pairs of mean-motion resonances (MMRs) between three orbiting bodies designed to produce a Laplace resonant phase angle φL or one of its multiples NφL, where integer N ≥ 2. This assumption yields a concrete pattern of Laplace resonances, very few of which (with angles φL and 2φL) have been observed in actual (extra)solar subsystems. All other MMRs face issues of proximity or remoteness of the orbits (they are too close or too far apart). We highlight one as yet unobservable MMR in each N-sequence for which these issues appear to be less acute.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanet dynamics - Exoplanets - Orbital resonances

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 WT 2353 PM* 00 29 12.3029193648 -30 27 13.466857032   13.05 11.95     ~ 102 0
2 PSR B1257+12 Psr 13 00 03.1075 +12 40 55.155           ~ 546 1
3 Kepler-20 Er* 19 10 47.5233433920 +42 20 19.301370684   13.278 12.630 12.478 11.64 G5V 201 1
4 Kepler-223 Er* 19 53 16.4202435936 +47 16 46.308434088   16.209 15.570 15.78   ~ 192 1

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