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Table 2

Revised orbital elements of V1261 Ori based on two new HERMES/Mercator measurements (see text).

1998 orbita Revised orbit

P(d) 640.5 ± 2.8 638.24 ± 0.28
e 0.07 ± 0.03 0.07 ± 0.01
T0 (HJD−2400000) 48 092 ± 58 53 215 ± 21
ω (°) 232 ± 33 243 ± 12
K1 (km s-1) 7.88 ± 0.28 7.91 ± 0.12
V0 (km s-1) 79.8 ± 0.2 79.77 ± 0.09
f(m) (M) 0.032 0.032
σ(O−C) (km s-1) 0.8 0.7

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