Table 1
Globule parameters estimated from line observations adopting a reasonable range of 12CO abundances (single-slab approximation).
Coordinates | Rg | Tex (CO)(a) | N(CO)(b) | x(CO) | nH(c) | AV(d) | |
---|---|---|---|---|---|---|---|
Globule | (RA Dec) | (AU) | (K) | (cm−2) | (10−5 adopted) | (104 cm−3) | (mag) |
#1 | 5h34m21.21s − 5°25′24.23″ | 3700 | 7.6 ± 0.6 | (3.8 ± 0.5) × 1016 | 1.5 − 0.5 | 4.8 ± 2.8 | 1.9 ± 1.1 |
#2 | 5h34m17.65s − 5°25′57.52″ | 7000 | 10.0 ± 0.9 | (same as #1) | 1.5 − 0.5 | 2.5 ± 1.5 | 1.9 ± 1.1 |
#3 | 5h34m09.55s − 5°29′29.40″ | 5800 | 13.8 ± 1.4 | (3.8 ± 0.2) × 1016 | 1.5 − 0.5 | 3.0 ± 1.6 | 1.8 ± 1.0 |
#4 | 5h33m59.86s − 5°44′11.55″ | 8300 | 19.8 ± 2.2 | (3.8 ± 0.1) × 1016 | 1.5 − 0.5 | 2.1 ± 1.1 | 1.8 ± 0.9 |
#5 | 5h33m18.44s − 5°34′16.29″ | 7500 | 46.2 ± 6.0 | (1.8 ± 0.2) × 1018 | 15.0 − 5.0 | 10.9 ± 6.1 | 8.5 ± 4.8 |
#6 | 5h34m02.27s − 5°28′18.58″ | 3100 | 7.9 ± 0.6 | (2.8 ± 0.3) × 1016 | 1.5 − 0.5 | 4.3 ± 2.5 | 1.4 ± 0.8 |
#7 | 5h34m10.00s − 5°26′44.24″ | 6200 | 46.4 ± 6.1 | (5.8 ± 0.5) × 1017 | 15.0 − 5.0 | 4.3 ± 2.4 | 2.8 ± 1.6 |
#8 | 5h34m02.46s − 5°24′17.04″ | 16 600 | 34.4 ± 4.4 | (3.0 ± 0.3) × 1017 | 15.0 − 5.0 | 0.9 ± 0.5 | 1.5 ± 0.8 |
#9 | 5h34m07.99s − 5°23′57.64″ | 7200 | 31.8 ± 4.0 | (1.4 ± 0.1) × 1017 | 15.0 − 5.0 | 0.9 ± 0.5 | 0.7 ± 0.4 |
#10 | 5h34m20.14s − 5°22′21.93″ | 14 500 | 58.0 ± 7.9 | (1.5 ± 0.2) × 1018 | 15.0 − 5.0 | 4.7 ± 2.7 | 7.6 ± 4.6 |
Median | 7100 | 25.8 | 8.6 × 1016 | 8.3−2.8 | 3.6 | 1.8 |
Notes. (a) Assuming optically thick 12CO emission and taking into account absolute intensity calibration errors and 1σ errors discussed in Sect. 2. (b)From optically thin 13CO emission. (c)For nH = NH/2 Rg with NH = N(CO)/x(CO)adopted. (d) Defined as AV = 3.5 × 10−22 N(12CO)/x(12CO)adopted.
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