Detection and characterisation of 54 massive companions with the SOPHIE spectrograph - Seven new brown dwarfs and constraints on the brown dwarf desert

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Table 1

HIPPARCOS double star catalogue orbital solution for HD 193554, including estimation of the inclination I_c.

Parameters	Values
P_HIP [day]	832 ± 50
T_HIP [JD]	48 574 ± 51
e_HIP	0.33 ± 0.14
ω_HIP [°]	147 ± 39
I_c [°]	36 ± 11
Ω [°]	98 ± 21
a_ph [mas]	15.0 ± 1.5

P_RV [day]	708.60 ± 0.29
T_RV [JD]	56 564.9 ± 1.6
e_RV	0.3093 ± 0.0022
ω_RV [°]	140.12 ± 0.64
f(m) [10⁻⁶ M_⊙]	4870 ± 77
M₂ sini [M_J]	181.6 ± 5.8
a₁ sini [mas]	7.78 ± 0.86

M₂ [M_J]	309 ± 82

Notes. This allows us to derive the true mass of the companions out of RV results here recalled for comparison.

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