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Table 2

Model DR_P.

jmix Age Aperture v0 (km s−1)

(yr) i = 10° i = 30° i = 60°
0.0 400 A1 1.3 2.7 4.4
A2 1.3 2.6 4.4
A3 1.4 2.6 2.0
A4 1.1 1.3 1.9
1200 A1 3.8 4.7 5.2
A2 9.4 7.0 4.8
A3 10.0 10.2 3.9
A4 1.0 1.5 2.1
2000 A1 2.8 3.1 4.9
A2 2.7 4.2 4.9
A3 2.8 4.8 4.9
A4 3.2 5.9 1.8

(km s−1): 3.4 ± 3.1 4.2 ± 2.6 3.8 ± 1.4

0.3 400 A1 3.3 4.9 9.2
A2 3.2 4.8 10.6
A3 3.2 5.9 11.5
A4 4.3 6.0 13.8
1200 A1 2.2 5.1 7.2
A2 2.3 5.9 8.1
A3 2.6 5.2 11.6
A4 3.7 8.1 13.2
2000 A1 2.6 5.3 7.8
A2 2.4 5.9 7.9
A3 2.7 4.4 8.4
A4 2.5 5.5 15.0

(km s−1): 2.9 ± 0.6 5.6 ± 1.0 10.4 ± 2.6

0.6 400 A1 3.2 6.5 9.6
A2 3.2 6.5 11.3
A3 3.1 7.3 13.0
A4 4.0 9.0 15.5
1200 A1 2.8 5.6 7.2
A2 2.9 6.3 8.2
A3 2.9 6.6 11.1
A4 3.6 10.6 14.2
2000 A1 2.8 5.5 7.8
A2 3.0 6.1 8.0
A3 2.9 5.6 8.6
A4 2.7 6.6 15.2

(km s−1): 3.1 ± 0.4 6.9 ± 1.5 10.8 ± 3.0

1.0 400 A1 5.9 6.6 9.6
A2 6.2 6.5 11.3
A3 7.0 7.3 13.0
A4 6.5 9.0 15.5
1200 A1 4.8 5.6 7.2
A2 4.1 6.3 8.2
A3 4.5 6.6 11.1
A4 4.4 10.6 14.2
2000 A1 4.5 5.5 7.8
A2 4.7 6.1 8.0
A3 3.9 5.6 8.6
A4 3.4 6.7 15.2

(km s−1): 5.0 ± 1.1 6.9 ± 1.5 10.8 ± 3.0

Notes. Best exponential fitting parameters to the molecular mass–velocity distributions obtained towards positions A1–A4 in an aperture of 5000 au at t = 400, 1200, and 2000 yr, for three values of inclination angle: i = 10°, 30°, and 60°.

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