Fig. 5.
Doppler velocity map inferred from the GFPI Fe I 5435 Å restored images at t = 3830 s. Black color indicates upflows and white color corresponds to downflows. Green arrows display the direction and magnitude of the horizontal magnetic field inferred from GRIS Si I 10 827 Å observations and red arrows show the direction and magnitude of the wavefronts’ phase speed determined by tracking the wavefronts from GFPI data. The longest red arrows correspond to a phase velocity of 20 km s−1.
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