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Table 2.
Summary of observations and spectral line parameters for each observed position.
Position | RA (J2000) | Dec (J2000) | Radius | Line | Int. intensity | FWHM | Vlsr | ⟨rms⟩ | Obs. time | ⟨Tsys⟩ |
---|---|---|---|---|---|---|---|---|---|---|
[hh:mm:ss] | [°:′:″] | [kpc] | (1 − 0) | [K km s−1] | [km s−1] | [km s−1] | [mK] | [h] | [K] | |
(1) | (2) | (3) | ||||||||
Pos-0 | 20:34:52.20 | +60:09:14 | 0.0 | HCN | 11.12 ± 0.01 | 147 ± 15 | 56 ± 6 | 0.3 | 44.3 | 92 |
N2H+ | 1.83 ± 0.01 | 133 ± 11 | 55 ± 6 | 0.2 | ||||||
Pos-1 | 20:35:05.70 | +60:10:52 | 5.1 | HCN | 0.33 ± 0.01 | 32 ± 2 | −32 ± 4 | 0.5 | 10.0 | 112 |
N2H+ | 0.040 ± 0.008 | 21 ± 6 | −28 ± 3 | 0.4 | ||||||
Pos-2 | 20:35:11.88 | +60:08:51 | 5.7 | HCN | 0.39 ± 0.01 | 31 ± 2 | −9 ± 2 | 0.6 | 8.5 | 116 |
N2H+ | 0.067 ± 0.011 | 27 ± 5 | −6 ± 2 | 0.5 | ||||||
Pos-3 | 20:34:22.86 | +60:10:31 | 8.6 | HCN | 0.13 ± 0.01 | 25 ± 2 | 114 ± 12 | 0.5 | 13.9 | 108 |
N2H+ | 0.026 ± 0.006 | 30 ± 8 | 117 ± 15 | 0.3 | ||||||
Pos-4 | 20:34:47.10 | +60:07:59 | 3.3 | HCN | 0.26 ± 0.01 | 32 ± 4 | 126 ± 12 | 0.4 | 13.2 | 99 |
N2H+ | 0.031 ± 0.007 | 20 ± 6 | 131 ± 15 | 0.3 |
Notes. (1) Average rms measured in a 4 km s−1 wide channel. (2) Total on-source time used to generate the final spectra after reduction. (3) Average system temperature during observations.
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