Fig. A.1.
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Comparison of the pv diagrams obtained from previous HST/STIS long-slit spectra and our VLT/MUSE-NFM-AO datacube for the [N II] λ6583 (top panels) and [O I] λ6300 (bottom panels) emission lines. The pv diagrams are along a slit through the nucleus of M87 at PA = 51°. The horizontal white lines correspond the recessional velocity of M87 adopted by W13: Vrecc = 1335 km s−1.
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