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We carried out detailed kinematic studies of the complex of multiple HI andHII shells that represent the only region of ongoing star formation in thedwarf irregular galaxy IC 1613. We investigated the ionized-gas kinematics byusing Fabry--Perot H-alpha observations with the 6-m Special AstrophysicalObservatory telescope and the neutral-gas kinematics by using VLA 21-cm radioobservations. We identified three extended (300-350 pc) neutral shells withwhich the brightest HII shells in the complex of star formation are associated.The neutral-gas kinematics in the complex has been studied for the first timeand the H~I shells were found to expand at a velocity of 15--18 km/s. Weconstructed velocity ellipses for all HII shells in the complex and refined(increased) the expansion velocities of most of them. The nature of theinteracting ionized and neutral shells is discussed.Comment: 14 pages, 9 EPS-figure

Detailed kinematic study of the ionized and neutral gas in the complex of star formation in the galaxy IC 1613