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We present high angular and spectral resolution HI 21~cm line observationstoward the cometary-shaped compact HII region G213.880-11.837 in the GGD~14complex.The kinematics and morphology of the photodissociated region, traced bythe HI line emission, reveal that the neutral gas is part of an expanding flow.The kinematics of the HI gas along the major axis of G213.880-11.837 shows thatthe emission is very extended toward the SE direction, reaching LSR radialvelocities in the tail of about 14 km/s. The ambient LSR radial velocity of themolecular gas is 11.5 km/s, which suggests a champagne flow of the HI gas. Thisis the second (after G111.61+0.37) cometary HII/HI region known.

An Expanding HI Photodissociated Region Associated with the Compact HII Region G213.880-11.837 in the GGD 14 Complex