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Home All issues Volume 538 (February 2012) A&A, 538 (2012) L9 Full HTML
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Table 1

CO(3−2) properties of the SGMCs (top) and PCC (bottom).

Source Velocity V LSR Δv S CO M mol F H2 1−0 S(1)
component km s-1 km s-1 Jy km s-1 M ⊙ erg s-1 cm-2
SGMC 1 a 1417 ± 2 105 ± 6 380 ± 24 5.6 ± 0.3 × 108 1.6 × 10-14 0.2 2.1
b 1521 ± 1 63 ± 3 289 ± 16 4.2 ± 0.2 × 108
SGMC 2 a 1469 ± 1 90 ± 2 289 ± 8 4.2 ± 0.1 × 108 8.3 × 10-15 0.2 1.6
b 1613 ± 2 114 ± 5 176 ± 10 2.6 ± 0.1 × 108
SGMC 4/5 a 1505 ± 1 58 ± 2 171 ± 9 2.5 ± 0.1 × 108 1.3 × 10-14 0.3 2.6
b 1586 ± 3 126 ± 6 256 ± 12 3.7 ± 0.2 × 108
SGMC 6 a 1506 ± 2 50 ± 8 48 ± 12 0.7 ± 0.2 × 108 6.7 × 10-16  <0.5a 0.2
b 1561 ± 5 113 ± 6 216 ± 15 3.2 ± 0.2 × 108
H2 source (PCC) − 1534 ± 2 93 ± 4 7.6  ± 0.4 1.0 ± 0.1 × 107 7.6 × 10-16 0.1 8.7

Notes. We include the integrated H2 1−0 S(1) fluxes, and the H2 1−0/2−1 S(1) and H2/CO flux ratios. For PCC, the line parameters are measured with a single-component Gaussian fit.

(a)

H2 2−1 S(1) flux corresponds to an upper limit estimated from the noise.

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