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Table 1

Kinematic data for Mira.

b(°)  −58 ϖ (mas) 10.9 ± 1.2a
μα,   LSR (mas yr-1)  −20.93a μδ,   LSR (mas yr-1)  −222.39a
RVLSR (km s-1) 47.2f Vspace,   LSR (km s-1) 107.9
Vspace,   LSR PA (°) 185.4 Vspace,   LSRi (°) 25.9
Vwind (km s-1) 4c Voutflow (km s-1) 160 ± 10d
Bipolar flow PA (°) 168−180d Bipolar flow i (°) –69d
Orbital pole PA (°) 228e Orbital pole i (°)  ± 22e
P (yr)  ≈ 500e a (AU)  ≈ 100ae
M1 + M2 (M) 4.4e (M yr-1) 10-7b

Notes. Negative inclinations are towards the observer. The various vectors are displayed in a 3D view in Fig. 4. The adopted solar motion to convert heliocentric velocities in LSR velocities is (U,V,W) = (11.10,12.24,7.25) km s-1 (Schönrich et al. 2010). The matrix to convert equatorial velocities into galactic velocities is taken from Johnson & Soderblom (1987).


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