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Table 3
Upper limits on molecular gas mass for galaxies undetected in CO(1–0) and CO(2–1).
| Galaxy | Line | rms |  /108 |
M(H2) |
| [mK] | [Kkms-1 pc2] | [108 M⊙] | ||
|
|
||||
| NGC 193 | CO(1–0) | 2.1 | 0.29 | 1.35 |
| CO(2–1) | 2.7 | 0.09 | 0.43 | |
| NGC 677 | CO(1–0) | 2.6 | 0.49 | 2.25 |
| CO(2–1) | 2.8 | 0.13 | 0.61 | |
| NGC 777 | CO(1–0) | 2.5 | 0.45 | 2.08 |
| CO(2–1) | 2.8 | 0.13 | 0.58 | |
| NGC 1060 | CO(1–0) | 0.8 | 0.16 | 0.76 |
| CO(2–1) | 4.3 | 0.21 | 0.96 | |
| NGC 5846 | CO(1–0) | 2.1 | 0.04 | 0.20 |
| CO(2–1) | 3.5 | 0.02 | 0.08 | |
| NGC 5982 | CO(1–0) | 0.8 | 0.06 | 0.25 |
| CO(2–1) | 1.6 | 0.03 | 0.12 | |
| NGC 7619 | CO(1–0) | 0.7 | 0.07 | 0.33 |
| CO(2–1) | 1.5 | 0.04 | 0.17 | |
Notes. The rms are in Tmb in channels of 30 kms-1. The upper limits in and M(H2) are at 3σ with an assumed ΔV = 300 kms-1.
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