Table 3
Characteristic values of superbubble fragmentation.
| Model |
|
z u,rti |  ) |
)/tD |
|
|
z u,frag |  ) |
)/tD |
|
| [H] | [Myr] | [cm s-2] | [H] | [Myr] | [cm s-2] | |||||
|
|
||||||||||
| SNsym | 1.389 | 2.37 | 39.7 | 2.59 | 1.7 × 10-11 | 1.469 | 2.65 | 46.8 | 3.05 | 1.7 10-10 |
| Windsym (Γ0 = −0.932) | 0.976 | 1.34 | 26.7 | 1.67 | 2.2 10-11 | 1.117 | 1.64 | 34.2 | 2.13 | 2.4 × 10-10 |
| IMFsym (Γ1 = −1.15) | 0.873 | 1.15 | 23.4 | 1.46 | 2.7 10-11 | 1.056 | 1.50 | 32.2 | 2.00 | 3.1 × 10-10 |
| IMFsym (Γ2 = −1.35) | 0.777 | 0.98 | 20.1 | 1.27 | 3.2 10-11 | 1.021 | 1.43 | 31.9 | 1.95 | 4.1 × 10-10 |
| IMFsym (Γ3 = −1.7) | 0.604 | 0.72 | 15.9 | 0.97 | 4.5 10-11 | 1.126 | 1.66 | 38.0 | 2.32 | 8.7 × 10-10 |
|
|
||||||||||
| SNoff | 1.333 | 2.90 | 7.3 | 1.96 | 8.6 10-11 | 1.404 | 3.12 | 8.4 | 2.26 | 7.9 × 10-10 |
| Windoff (Γ0 = −0.932) | 0.902 | 1.90 | 4.8 | 1.34 | 1.5 10-10 | 1.084 | 2.26 | 6.6 | 1.85 | 1.6 × 10-9 |
| IMFoff (Γ1 = −1.15) | 0.797 | 1.72 | 4.2 | 1.18 | 1.8 10-10 | 1.029 | 2.15 | 6.3 | 1.78 | 2.1 × 10-9 |
| IMFoff (Γ2 = −1.35) | 0.700 | 1.56 | 3.6 | 1.03 | 2.2 10-10 | 1.004 | 2.09 | 6.2 | 1.77 | 2.8 × 10-9 |
| IMFoff (Γ3 = −1.7) | 0.531 | 1.32 | 2.8 | 0.79 | 2.9 10-10 | 1.109 | 2.32 | 7.4 | 2.12 | 5.4 × 10-9 |
Notes. Rows 1−10 and numbers of Nblow are the same as in Table 2. : Onset of Rayleigh-Taylor instabilities (RTIs) at zu; zu,rti: coordinate zu at ; ): time at onset of RTIs in units of Myrs for a bubble with Nblow stars; )/tD: time at onset of RTIs in units of the characteristic timescale tD; : acceleration of the top of the bubble at for Nblow stars; : full fragmentation at zu; zu,frag: coordinate zu at ; ): time at fragmentation in units of Myrs for a bubble with Nblow stars; )/tD: time at fragmentation in units of the characteristic timescale tD; : acceleration of the top of the bubble at for Nblow stars.
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