Table 2
Observed ice column densities (N(X) in 1017 cm-2).
| Source | CO2 | CO | H2O | References |
|
|
||||
| L1527 | 10 | 18 | 47 | 1 |
| Ced110 IRS4 | 12.26 | 6.87 | ··· | 2 |
| IRAS 15398 | 52.16 | 8.35 | 148.0 | 2 |
| L723 MM | 49.0 | ··· | ··· | 3 |
|
|
||||
| L1489 | 16.20 | 7.13 | 47.0 | 2 |
| L1551 IRS5 | 11.86a | 4.2b | 109.0 | 4,5 |
| TMR1 | 4.92a | ··· | 73.8 | 4 |
| TMC1A | 10.98a | ··· | 53.1 | 4 |
| TMC1 | 12.71a | ··· | 79.2 | 4 |
| HH46 IRS | 21.58 | 7.98 | 77.9 | 2 |
| GSS30 IRS1 | 3.28 | 2.53 | 15.3 | 2 |
| Elias 29 | 6.7 | 1.7 | 30.4 | 6,7 |
| Oph IRS63 | 6.84 | 3.49 | 20.4 | 2 |
| RNO91 | 11.66 | 7.46 | 39.0 | 2 |
Notes.
These values are scaled up by a factor of 1.36 relative to the published values from Zasowski et al. (2009), as recommended by Cook et al. (2011) to account for different CO2 laboratory band strengths.
Reference. (1) Aikawa et al. (2012); (2) Pontoppidan et al. (2008); (3) Cook et al. (2011); (4) Zasowski et al. (2009); (5) Tielens et al. (1991); (6) Boogert et al. (2000); (7) Boogert et al. (2008).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.