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Table 1.

Observation details.

Telescope νobs On-source BW Vel. resln Beam-size PA rmsmap rmscube
(GHz) (hours) (MHz) (km s−1) (″×″) (°) (μJy beam−1) (μJy beam−1 channel−1)
(1) (2) (3) (4) (5) (6) (7) (8) (9)
VLA 1.3965 5.85 6.25 21 1.13 × 0.98 −75.11 340 840
EVN ( * ) 1.4054 6.6 16 6.7 0.04923 × 0.04136 61.32 100 410

Notes. The columns are: (1) telescope used; (2) central frequency of the band (GHz); (3) on-source time in hours; (4) bandwidth (MHz); (5) velocity resolution (km s−1); (6) beam size; (7) beam position angle (°); (8) rms noise on the continuum map (μJy beam−1); and (9) rms noise on the spectral cube at a velocity resolution mentioned in (5) (μJy beam−1 channel−1). ( * )Participating antennas: Effelsberg (Germany), Westerbork (the Netherlands), Jodrell-Bank (UK), Medicina (Italy), Noto (Italy), Onsala (Sweden), Torun (Poland).

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