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Table 6

Summary of parameters derived for N107.

Property Value

From catalogue of Churchwell et al. (2006)
Galactic longitude (central)
Galactic latitude (central)
Angular radius (mean)
Angular thickness (mean)

Derived from observations
Radial velocity (central) 43 km s-1
Expansion velocity 8 km s-1
Distance (kinematical) 3.6 kpc
Radius (mean) 11.9 pc
Mass in H i (aperture 1) (5.4 ± 1.0) × 103 M
Mass of molecular component (aperture 1)
(1.3 ± 0.4) × 105 M
Mass of molecular component (aperture 2)1
(4.0 ± 1.2) × 104 M

Estimated from simulations
Energy input rate < 0.4 × 1050 erg / Myr A
2.7 × 1050 erg / Myr B
Dislocation of expansion centre 16...22 pc A
10...12 pc B
Parental cloud thickness in LOS 6 pc A
20...28 pc B
Parental cloud total mass 5.8...15.5 × 105 M
Evolution time (age) 1.75...2.25 Myr A
1 Myr B

Notes. The first section gives the values from the original catalogue of Churchwell et al. (2006). The second section gives the values derived from observation (Sect. 2). The third section gives the values estimated from simulations (Sect. 4).

(1)

Aperture 2 covers only the immediate vicinity of the bubble. See Fig. 4 for an illustration.

(A)

Estimated from simulations from group A.

(B)

Estimated from simulations from group B.

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