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Table 1

Observational parameters.

Source Central frequency Bandwidth Channel width Beam size Position angle RMS
MHz MHz km s−1 “×” ° mJy beam−1
N113 217104.980 937.5 1.35 1.7×1.3 60 ~2.0
218475.632 937.5 1.34 1.6×1.3 61 ~2.0
230538.000 937.5 1.27 1.6×1.2 61 ~2.0

N159W 217104.980 937.5 1.35 1.6×1.3 55 ~2.0
218475.632 937.5 1.34 1.6×1.3 56 ~2.0
230538.000 937.5 1.27 1.5×1.3 56 ~2.0

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