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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