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Table 1.

Medians and 90% credible intervals of the marginalized distributions of some of our parameters.

0° < θn < 90° 90° < θn < 180°
q 0 . 58 0.29 + 0.37 $ 0.58^{+0.37}_{-0.29} $ 0 . 57 0.29 + 0.37 $ 0.57^{+0.37}_{-0.29} $
χ1 0 . 89 0.43 + 0.10 $ 0.89^{+0.10}_{-0.43} $ 0 . 89 0.39 + 0.10 $ 0.89^{+0.10}_{-0.39} $
θ1 [deg] 83 . 3 42.7 + 50.4 $ 83.3^{+50.4}_{-42.7} $ 82 . 8 42.3 + 43.7 $ 82.8^{+43.7}_{-42.3} $
ϕ1 [deg] 344 . 8 83.0 + 82.1 $ 344.8^{+82.1}_{-83.0} $ 165 . 9 82.5 + 87.1 $ 165.9^{+87.1}_{-82.5} $
χ2 0 . 63 0.56 + 0.35 $ 0.63^{+0.35}_{-0.56} $ 0 . 59 0.53 + 0.38 $ 0.59^{+0.38}_{-0.53} $
θ2 [deg] 83 . 0 57.5 + 69.2 $ 83.0^{+69.2}_{-57.5} $ 83 . 4 58.3 + 67.8 $ 83.4^{+67.8}_{-58.3} $
Δϕ [deg] 131 . 7 108.0 + 204.2 $ 131.7^{+204.2}_{-108.0} $ 132 . 6 111.3 + 201.8 $ 132.6^{+201.8}_{-111.3} $
θn [deg] 24 . 3 15.3 + 23.3 $ 24.3^{+23.3}_{-15.3} $ 155 . 5 23.6 + 15.8 $ 155.5^{+15.8}_{-23.6} $
ϕn [deg] 5 . 3 92.8 + 102.5 $ -5.3^{+102.5}_{-92.8} $ 5 . 4 96.4 + 105.0 $ -5.4^{+105.0}_{-96.4} $
v [km s−1] 1740 657 + 595 $ -1740^{+595}_{-657} $ 1740 640 + 574 $ -1740^{+574}_{-640} $
θ, ⊥ [deg] 87 . 2 16.7 + 17.5 $ 87.2^{+17.5}_{-16.7} $ 93 . 0 15.8 + 16.4 $ 93.0^{+16.4}_{-15.8} $
v [km s−1] 1759 657 + 595 $ 1759^{+595}_{-657} $ 1759 635 + 571 $ 1759^{+571}_{-635} $
v [km s−1] 214 154 + 236 $ 214^{+236}_{-154} $ 213 157 + 224 $ 213^{+224}_{-157} $
θ [deg] 10 . 8 5.7 + 9.5 $ 10.8^{+9.5}_{-5.7} $ 169 . 4 10.4 + 5.6 $ 169.4^{+5.6}_{-10.4} $
θ [deg] 7 . 3 5.3 + 9.5 $ 7.3^{+9.5}_{-5.3} $ 172 . 8 9.9 + 5.1 $ 172.8^{+5.1}_{-9.9} $
θnv [deg] 7 . 1 5.1 + 8.7 $ 7.1^{+8.7}_{-5.1} $ 7 . 1 5.1 + 8.6 $ 7.1^{+8.6}_{-5.1} $

Notes. We present results for the two modes of the joint posterior, which we define using the inclination angle θn. We first report the parameters that directly enter our sampling algorithm: mass ratio q, spin magnitudes χ1, 2, spin tilts θ1, 2, spin azimuthal angles ϕ1 and Δϕ = ϕ2 − ϕ1, and direction of the line of sight θn and ϕn. We also build posterior distributions for the quantities that directly enter our likelihood, namely the projected kick velocity v and the projected spin-kick angle θ, ⊥. Finally, we show the measured values of some other derived parameters: kick magnitude v, projected recoil velocity v, spin-kick angle θ, observer-spin angle θ, and observer-kick angle θnv.

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