Table 5
Noise levels in IRAM spectra near the CO(1–0) line.
| rms (mK) | |||||
|---|---|---|---|---|---|
| WILMA | FTS | ||||
| Object | LSB | USB | LSB | USB | CO10(a) |
| V* BC Cas | 2.21 | 3.14 | 2.38 | 16.06 | 6.22 |
| V* CP Lac | 2.29 | 3.47 | 2.22 | 10.39 | 6.87 |
| V* DI Lac | 2.13 | 3.12 | 2.27 | 11.10 | 7.56 |
| V* V630 Cas | 1.62 | 2.28 | 1.57 | 6.23 | 4.71 |
| V* V723 Cas | 2.13 | 2.88 | 2.16 | 8.81 | 6.68 |
| NOVA Per 1887 | 2.11 | 2.96 | 2.52 | 10.15 | 7.09 |
Notes. The
noise rms values per 30 km s−1 are given for both backends used (they differ in coverage and baseline quality). The USB values correspond to all the spectra that covered the CO(1–0) transition. (a)The rms value measured in 114.27–116.27 GHz, near the rest frequency of the CO(1–0) transition and ignoring the ISM features.
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