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Table 2
Physical models of HMSFRs.
| Parameter | Model 1 (a) | Model 2(b) | Model 3 | Model 4 | Model 5 | Model 6 |
|---|---|---|---|---|---|---|
| HMSC stage | ||||||
| Inner radius rin | 102 AU | 12 700 AU | 102 AU | 12 700 AU | 102 AU | 102 AU |
| Outer radius rout | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU |
| Density at the inner radius ρin | 1.2 × 109 cm−3 | 1.4 × 105 cm−3 | 1.2 × 109 cm−3 | 1.4 × 105 cm−3 | 1.2 × 109 cm−3 | 1.2 × 109 cm−3 |
| Density power-law index p | 1.8 | 1.5 | 1.8 | 1.5 | 1.8 | 1.8 |
| Temperature at the inner radius Tin | 20.9 K | 11.3 K | 20.9 K | 11.3 K | 20.9 K | 20.9 K |
| Temperature power-law index q | 0 | 0 | 0 | 0 | 0 | 0 |
| Timescale of HMSC stage tHMSC | 1.1 × 104 yr | 1.65 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr |
| HMPO stage | ||||||
| Inner radius rin | 1130 AU | 103 AU | 1130 AU | 103 AU | 102 AU | 102 AU |
| Outer radius rout | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU |
| Density at the inner radius ρin | 5.0 × 106 cm−3 | 1.5 × 109 cm−3 | 5.0 × 106 cm−3 | 1.5 × 109 cm−3 | 1.5 × 109 cm−3 | 1.5 × 109 cm−3 |
| Density power-law index p | 1.5 | 1.8 | 1.5 | 1.8 | 1.8 | 1.8 |
| Temperature at the inner radius Tin | 77.3 K | 75.8 K | 77.3 K | 75.8 K | 227.4 K | 227.4 K |
| Temperature power-law index q | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Timescale of HMPO stage tHMPO | 6.0 × 104 yr | 3.2 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr |
| HMC stage | ||||||
| Inner radius rin | 102 AU | 1140 AU | 102 AU | 1140 AU | 102 AU | 102 AU |
| Outer radius rout | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU |
| Density at the inner radius ρin | 2.7 × 109 cm−3 | 1.3 × 108 cm−3 | 2.7 × 109 cm−3 | 1.3 × 108 cm−3 | 2.7 × 109 cm−3 | 2.7 × 109 cm−3 |
| Density power-law index p | 1.9 | 2.0 | 1.9 | 2.0 | 1.9 | 1.6 |
| Temperature at the inner radius Tin | 268.3 K | 162.9 K | 268.3 K | 162.9 K | 268.3 K | 268.3 K |
| Temperature power-law index q | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.34 |
| Timescale of HMC stage tHMC | 4.2 × 104 yr | 3.5 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr |
| UCHII stage | ||||||
| Inner radius rin | 102 AU | 103 AU | 102 AU | 103 AU | 102 AU | 102 AU |
| Outer radius rout | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU | 105 AU |
| Density at the inner radius ρin | 2.4 × 108 cm−3 | 1.0 × 10l0 cm−3 | 2.4 × 108 cm−3 | 1.0 × 1010 cm−3 | 1.0 × 1010 cm−3 | 1.0 × 1010 cm−3 |
| Density power-law index p | 1.5 | 2.0 | 1.5 | 2.0 | 2.0 | 1.6 |
| Temperature at the inner radius Tin | 293.1 K | 244.3 K | 293.1 K | 244.3 K | 293.1 K | 293.1 K |
| Temperature power-law index q | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.34 |
| Timescale of UCHII stage tUCHII | 1.2 × 104 yr | 1.65 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr | 3.0 × 104 yr |
| Total timescale ttotal | 1.25 × 105 yr | 1.0 × 105 yr | 1.2 × 105 yr | 1.2 × 105 yr | 1.2 × 105 yr | 1.2 × 105 yr |
Notes. (a)Gerner et al. (2014). (b)Gerner et al. (2015).
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