Abstract
New observations made with the Westerbork Synthesis Radio Telescope of M31 in the line of neutral hydrogen (Brinks, this volume) show the presence of high-velocity HI in the inner 4–5 kpc of the galaxy. There were indications from previous 21-cm line studies that HI gas is moving with peculiar velocities (Whitehurst and Roberts,1972; Unwin, 1979) but the new maps, made with a resolution of Δα × Δδ × ΔV = 24″ × 36″ × 8.2 km s-1 and sufficient sensitivity show for the first time the distribution of this material.
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© 1983 International Astronomical Union
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Brinks, E. (1983). High Velocity HI in the Inner 5 KPC of M31. In: Athanassoula, E. (eds) Internal Kinematics and Dynamics of Galaxies. International Astronomical Union/Union Astronomique Internationale, vol 100. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-7075-5_4
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DOI: https://doi.org/10.1007/978-94-009-7075-5_4
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