Table 3
Properties of the observed positions in IC 3418.
| Source | rmsW(1−0)/W(2−1)/4MHz | FWHM | I CO(1−0) | I CO(2−1) | L CO(1−0) | L CO(2−1) |
|
|
| (mK) | (km s-1) | (K km s-1) | (K km s-1) | (105 K km s-1 pc2) | (105 K km s-1 pc2) | (106 M⊙) | (106 M⊙) | |
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) |
|
|
||||||||
| B1 | 1.1 / 1.6 / 1.0 | 54 ± 12 | 0.06 ± 0.03 | 0.24 ± 0.05 | 2.1 | 2.1 | 0.9 | 1.2 |
| B2 | 1.4 / 2.0 / 1.3 | ~30 | <0.1 | <0.1 | <2.7 | <0.9 | <1.2 | <0.5 |
| K4 | 2.0 / 3.6 / 1.8 | ~30 | <0.1 | <0.2 | <3.8 | <1.7 | <1.7 | <0.9 |
| K6 | 2.0 / 4.0 / 1.6 | ~30 | <0.1 | <0.2 | <3.7 | <1.9 | <1.6 | <1.0 |
| K8 | 1.7 / 2.3 / 1.7 | ~30 | <0.1 | <0.1 | <3.2 | <1.1 | <1.4 | <0.6 |
Notes.The central velocity of the line in the B1 position is 103 km s-1. Column (1) source name. Column (2) noise levels in WILMA CO(1–0), WILMA CO(2–1), and 4MHZ spectra with 10.4 km s-1 channels. From fitting first-order baselines in a 2000 km s-1 wide region of the spectra. Column (3) linewidths used for both CO(1–0) and CO(2–1) lines. Measured in B1 from the CO(2–1) detection, estimated for other positions (see the text). Column (4) detected (B1) or 3σ upper limits on WILMA CO(1–0) integrated intensity. Column (5) detected (B1) or 3σ upper limits on CO(2–1) integrated intensity. Column (6) detected (B1) or 3σ upper limits on CO(1–0) luminosity. Column (7) detected (B1) or 3σ upper limits on CO(2–1) luminosity. Column (8) detected (B1) or 3σ upper limits on molecular gas mass, including a factor of 1.36 to account for the effect of He, corresponding to WILMA CO(1–0) luminosity. Column (9) detected (B1) or 3σ upper limits on molecular gas mass, including a factor of 1.36 to account for the effect of He, corresponding to WILMA CO(2–1) luminosity.
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