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Table 2

Parameters derived from the eccentric orbit fit.

Parameter Value  ±  Error

(a) Binary DP Leo ab:
Epoch T0, BJD(TT) 2 448 773.21461(9)
Binary period Pbin (days) 0.0623628426(6)
(b) Giant planet DP Leo (ab)c:
Orbital period Pc (years) 28.0 ± 2.0
Semi-major axis ac (AU) 8.19 ± 0.39
Eccentricity ec 0.39 ± 0.13
Longitude of periastron ϖbin,c  − 78° ± 20°
Time of periastron passage Tc, J.D. 2   453   025 ± 500
Amplitude of the LTT effect Kbin,c (s) 33.7 ± 1.7
Semi-major axis sinic   abin,c (cm) (1.01 ± 0.05) × 1012
Mass sinic   Mc (MJup) 6.05 ± 0.47

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