Multi-site campaign for transit timing variations of WASP-12 b: possible detection of a long-period signal of planetary origin

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Table 5

Parameters of the two-planet WASP-12 system from the joint analysis of RVs and transit timing.

Parameter	Planet b	Planet c

Orbital period, P (d)	1.0914281 ± 0.0000015	3.58484 ± 0.00011
Minimum mass, msini (M_Jup)	1.356 ± 0.009	0.098 ± 0.009
Mean anomaly^a, λ (°)	310.61 ± 0.25	184.6 ± 1.1
Eccentricity, e	0.0447 ± 0.0043	0.284 ± 0.002
Longitude of periastron, ω (°)	274.44 ± 0.03	223.8 ± 2.5
Semimajor axis, a (AU)	0.0229 ± 0.0008	0.0507 ± 0.0018
Mass^b, m (M_Jup)	1.366 ± 0.011	0.098 ± 0.009

Notes.

^(a)

Given for the initial epoch BJD_TDB 2 454 509.3871.

^(b)

Assuming a coplanar system with the inclination derived from transit light curve modelling.

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