Table 9.
Summary of the several Tex and NCO values derived for the 12CO molecule at different resolutions.
Spatial scale | Spatial resolution | Instrument | Jup levels | Number of | Tex | NCO | Figure/ |
---|---|---|---|---|---|---|---|
(arcsec, pc) | components | (K) | (cm−2) | Table | |||
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
Intermediate | 20″, ≲400 | APEX, HIFI | 3 → 9 | 2 | 17, 90 | 17.6, 16.7 | F5/T8 |
Large | 35″, ≲700 | SPIRE SLW & SSW | 4 → 13 | 1 (2 (a)) | 141 | 16.3 | F8, F14 |
Large–intermediate | 35″, ≲700 | SPIRE SLW & SSW, PACS | 4 → 20 | 2 | 82, 330 | ∼17, 16.7 | F9 |
Intermediate | 19″, ≲400 | SPIRE SSW, PACS | 9 → 20 | 2 | 48, 323 | 17.8, 16.7 | F11, F14 |
Small | 9.4″, ≲200 | PACS | 15 → 20 | 1 | 364 (470 (b)) | 14.9 (14.86) | F12, F13, F14 |
Notes. Columns (1–2): spatial scale and spatial resolution of the data analyzed; Col. (3): instrument with which the analysis was performed; Col. (4): (upper) rotational transition Jup range involved in the analysis accordingly to the instruments considered, listed in Col. (3); Col. (5): number of components used in the fit; Col. (6): excitation temperature of 12CO molecule in kelvin; Col. (7): column density of 12CO molecule in cm−2; Col. (8): figure (F) and/or table (T) showing the results in each specific case;
see Sect. 5.1 for details;
see Sect. 5.3 for details.
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