Open Access
Table 2.
Observation parameters: Spectral line.
| Band | Maser | Rest. freq. | Epoch | Synth. beam | PA | Spec. res. | 1σ rms |
|---|---|---|---|---|---|---|---|
| (MHz) | (arcsec) | (°) | (km s−1) | (mJy beam−1) | |||
| Detection | |||||||
| C | CH3OH | 6 668.5192(8) (2) | I | 1.45 × 0.82 | -4 | 0.09 | 10 |
| II | 0.45 × 0.26 | −4 | 0.04 | 11 | |||
| Ku | CH3OH | 12 178.597(4) (2) | I | 0.82 × 0.45 | −8 | 0.10 | 10 |
| II | 0.25 × 0.14 | −7 | 0.05 | 9 | |||
| K | H2O | 22 235.080 | I | 0.44 × 0.24 | −10 | 0.05 | 15 |
| II | 0.14 × 0.08 | −11 | 0.05 | 22 | |||
| Non-detection | |||||||
| C | CH3OH | 6 181.128(21) (1) | I | 1.57 × 0.88 | −4 | 0.09 | 6 |
| II | 0.47 × 0.25 | −5 | 0.04 | 9 | |||
| Ku | CH3OH | 12 229.348(16) (1) | I | 0.72 × 0.38 | −9 | 0.10 | 15 |
| II | 0.23 × 0.13 | −10 | 0.10 | 9 | |||
| K | CH3OH | 19 967.3961(2) (2) | II | 0.16 × 0.08 | −11 | 0.05 | 7 |
| CH3OH | 20 346.864(16) (1) | I | 0.46 × 0.24 | −13 | 0.05 | 14 | |
| CH3OH | 20 970.620(21) (1) | I | 0.45 × 0.24 | −13 | 0.05 | 13 | |
| II | 0.14 × 0.07 | −14 | 0.05 | 20 | |||
| CH3OH | 23 121.0242(5) (2) | I | 0.42 × 0.22 | −12 | 0.05 | 17 | |
| II | 0.13 × 0.06 | −15 | 0.05 | 25 | |||
References. (1) Pickett et al. (1998); (2) Müller et al. (2004).
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