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High Velocity HI in the Inner 5 kpc of M31

Published online by Cambridge University Press:  04 August 2017

E. Brinks
E. Brinks*
Affiliation:
Leiden Observatory, Leiden, The Netherlands.

Extract

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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.

Type
I. Kinematics of Gas and the Underlying Mass Distribution
Information
Symposium - International Astronomical Union , Volume 100: Internal Kinematics and Dynamics of Galaxies , 1983 , pp. 27 - 28
Copyright
Copyright © Reidel 1983 

References

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