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Table 4

Orbital parameters derived from radial velocity measurements.

Herbig & Moorhead (1965) This study
Porb (days) 4.08322 ± 0.00004 4.08319598 ± 0.00000095
T0 2 437 144.123 ± 0.006 2 437 145.1548 ± 0.0046
e 0.010 ± 0.010 0.0052 ± 0.0005
Vγ(km s−1) −8.7 −7.3686 ± 0.0095
Ka (km s−1) 46.8 ± 0.45 46.14 ± 0.07
Kb (km s-1) 58.1 ± 0.46 58.28 ± 0.10
ω(deg) 356 ± 32 129.8 ± 3.6
q = Mb/Ma 0.80 0.79165 ± 0.00039
Ma sin3 i (M⊙) 0.271 ± 0.006 0.267 ± 0.005
Mb sin3 i (M⊙) 0.218 ± 0.005 0.214 ± 0.005
aA sin i (km) 2.63 (± 0.03) × 106 2.59 (± 0.004) × 106
aB sin i (km) 3.26 (± 0.03) × 106 3.27 (± 0.006) × 106

Notes. Our values were derived with PHOEBE using the combined dataset which includes our 2014 ESPaDOnS dataset and the HM65 dataset. Note that different definitions of the argument of periastron in HM65 and our analysis result in a 180° difference for the argument of periastron.

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