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| Band | 33 | 28 | 24 | 23 | 22 | 20 | 19 | 16 | 15 | 13 | Totalc |
(Å)b |
1076.1 | 985.6 | 970.4 | 968.9 | 968.3 | 956.2 | 950.0 | 941.2 | 940.0 | 933.1 | |
| 12CO | |||||||||||
| Edge (%)d | 32.2 | 4.7 | 8.7 | 3.0 | 3.6 | 3.4 | 4.3 | 5.1 | 3.5 | 3.1 | 7.8(-10) |
| Centre (%)d | 2.8 | 0.4 | 5.7 | 9.3 | 0.8 | 12.1 | 13.8 | 6.1 | 11.0 | 7.0 | 7.5(-11) |
| Shieldinge | 0.0084 | 0.0072 | 0.063 | 0.30 | 0.022 | 0.34 | 0.31 | 0.12 | 0.30 | 0.22 | 0.10 |
| C17O | |||||||||||
| Edge (%) | 32.0 | 4.7 | 8.7 | 3.0 | 3.6 | 3.4 | 4.3 | 5.1 | 3.5 | 3.1 | 7.8(-10) |
| Centre (%) | 22.0 | 0.1 | 5.3 | 3.5 | 0.8 | 8.7 | 10.3 | 14.2 | 9.1 | 2.4 | 2.4(-10) |
| Shielding | 0.21 | 0.0067 | 0.19 | 0.36 | 0.065 | 0.79 | 0.74 | 0.85 | 0.81 | 0.23 | 0.31 |
| C18O | |||||||||||
| Edge (%) | 31.5 | 5.1 | 6.2 | 1.5 | 4.9 | 3.7 | 4.7 | 5.2 | 3.8 | 3.4 | 7.2(-10) |
| Centre (%) | 35.3 | 0.1 | 4.7 | 2.6 | 7.8 | 3.3 | 7.7 | 8.1 | 5.9 | 3.0 | 3.7(-10) |
| Shielding | 0.58 | 0.0067 | 0.39 | 0.88 | 0.82 | 0.46 | 0.83 | 0.80 | 0.81 | 0.45 | 0.52 |
| 13CO | |||||||||||
| Edge (%) | 28.1 | 6.5 | 8.3 | 1.8 | 5.2 | 3.4 | 4.3 | 4.9 | 3.9 | 2.4 | 7.8(-10) |
| Centre (%) | 18.5 | 0.0 | 5.3 | 4.4 | 11.2 | 4.1 | 10.7 | 4.4 | 9.1 | 0.8 | 2.8(-10) |
| Shielding | 0.23 | 0.0007 | 0.23 | 0.87 | 0.76 | 0.42 | 0.87 | 0.32 | 0.83 | 0.13 | 0.35 |
| 13C17O | |||||||||||
| Edge (%) | 28.0 | 6.3 | 8.3 | 1.8 | 5.2 | 3.4 | 4.3 | 4.9 | 3.9 | 2.4 | 7.8(-10) |
| Centre (%) | 32.5 | 0.0 | 7.4 | 2.9 | 7.5 | 5.0 | 7.2 | 8.5 | 6.1 | 1.0 | 4.2(-10) |
| Shielding | 0.63 | 0.0007 | 0.48 | 0.88 | 0.79 | 0.78 | 0.91 | 0.94 | 0.85 | 0.24 | 0.54 |
| 13C18O | |||||||||||
| Edge (%) | 30.1 | 7.0 | 5.9 | 1.5 | 4.7 | 3.6 | 4.4 | 5.0 | 4.0 | 2.4 | 7.5(-10) |
| Centre (%) | 39.0 | 0.0 | 5.8 | 2.4 | 5.7 | 1.7 | 7.5 | 8.5 | 6.3 | 1.7 | 4.1(-10) |
| Shielding | 0.71 | 0.0007 | 0.54 | 0.87 | 0.67 | 0.26 | 0.92 | 0.94 | 0.85 | 0.38 | 0.55 |
Oph| a See the text for the adopted column densities, Doppler widths, excitation temperatures and radiation field; b 12CO band head position; c total photodissociation rate in s-1 at the edge and the centre, and the shielding factor at the centre; d relative contribution per band to the overall photodissociation rate at the edge and the centre of the cloud; e shielding factor per band: the absolute contribution at the centre divided by the absolute contribution at the edge. |
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