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A Warp in the HI Distribution at the Extreme NE and SW of M31

Published online by Cambridge University Press:  14 August 2015

D.T. Emerson  and
K. Newton
D.T. Emerson
Affiliation:
Max-Planck-Institut für Radioastronomie, Bonn, West Germany
K. Newton
Affiliation:
M.R.A.O., Cavendish Laboratory, Cambridge, England

Extract

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Aperture synthesis observations of the neutral hydrogen in the extreme NE and SW regions of M31 have been made using the Cambridge Half-Mile Telescope, with an angular resolution of 3′.6 × 5′.5 and a resolution in radial velocity of 16 km/s (Newton and Emerson, 1977). These observations show that a warp in the HI distribution exists in opposite directions at each end of the galaxy.

Type
III: Nearby Galaxies of Large Angular Size
Information
Symposium - International Astronomical Union , Volume 77: Structure and Properties of Nearby Galaxies , 1978 , pp. 183 - 189
Copyright
Copyright © Reidel 1978 

References

Emerson, D.T.: 1974, Monthly Notices Roy. Astron. Soc. 169, 607.Google Scholar
Emerson, D.T.: 1976, Monthly Notices Roy. Astron. Soc. 176, 321.Google Scholar
Newton, K., Emerson, D.T.: 1977, Monthly Notices Roy. Astron. Soc. 181, 573.Google Scholar
Roberts, M.S., Whitehurst, R.N.: 1975, Astrophys. J. 201, 327.Google Scholar