The SOUL view of IRAS 20126+4104 - Kinematics and variability of the H2 jet from a massive protostar

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Table 2

Shape of three possible bow shocks (from fitting Eq. (22) of Ostriker et al. 2001).

Knot ID	υ_s (km s⁻¹)	C_s (Ions⁻¹)	β	θ (º)	R_j (au)	α (º)
A1	150	8	4.1	141.15	1237	4
B2	150	8	4.1	−30.4	469	5.5
C1	150	8	4.1	−49.25	349	2

Notes. Column 2: assumed bow-shock speed; Col. 3: assumed sound speed; Col. 4: assumed β; Col. 5: jet axis position angle; Col. 6: inner jet radius; Col. 7; angle to the driving source subtended by R_j.

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