Table 4.
Quantities derived from the observed values given in Table 3.
| Source |
 ( † ) |
Mgas ( ‡ ) |
 |
Δt | Ṁ | 17O/18O |
 |
 |
LPAGB | dmax |
|---|---|---|---|---|---|---|---|---|---|---|
| [au] | [M⊙] | [×10−5] | [yr] | [M⊙ yr−1] | [M⊙] | [M⊙] | [103 L⊙] | [kpc] | ||
| GLMP 950 | 9360 | 0.10 | 1.1 | 1085 | 8 × 10−5 | 1.7 (0.2) | 1.8 | 1.8 | 6.9 | 4.2 |
| GLMP 953 | 11400 | 0.17 | 0.9 | 1460 | 1.1 × 10−4 | 1.3 (0.2) | 1.7 | 1.7 | 6.7 | 4.0 |
| AFGL 5385 | 14280 | 0.24 | 1.1 ( * ) | 1510 | 1.7 × 10−4 | 0.61 (0.10) | 1.4 | 1.5 | 5.9 | 2.4 |
| HD 187885 ( † ) | 8000 | 0.35 | 0.55 ( * ) | 620 | 5 × 10−4 | 0.59 (0.12) | 1.15 | < 1.3 | ∼6.2 | ∼2.5 |
| Hen 3-1475 | 16240 | 0.42 | 1.5 | 770 | 4 × 10−4 | 1.29 (0.15) | 1.7 | 1.7 | 6.7 | 4.5 |
| M1-92 | 22360 | 0.35 | 2.0 | 1190 | 2.5 × 10−4 | 1.8 (0.2) | 1.8 | 1.8 | 6.9 | 2.8 |
Notes. ( † )Using the larger value of Δθ3σC18O. ( ‡ )For an assumed excitation temperature of 10 K and C18O abundance relative to the number of hydrogen nuclei of 2.1 × 10−7 for HD 187885 and 8.5 × 10−7 for the other sources (see Sect. 5.2). ( * )These values might be underestimated because the corresponding 13CO J = 2 − 1 line seems to be affected by optical depth effects.
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