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Dynamics of the Halo of the Andromeda Galaxy M31

Published online by Cambridge University Press:  26 May 2016

C. Halliday ,
D. Carter ,
Z. C. Jackson ,
T. J. Bridges ,
N. W. Evans  and
M. I. Wilkinson
C. Halliday
Affiliation:
Liverpool John Moores University, United Kingdom
D. Carter
Affiliation:
Liverpool John Moores University, United Kingdom
Z. C. Jackson
Affiliation:
Liverpool John Moores University, United Kingdom
T. J. Bridges
Affiliation:
AAO, Australia; Theoretical Physics, Oxford; IoA, Cambridge
N. W. Evans
Affiliation:
AAO, Australia; Theoretical Physics, Oxford; IoA, Cambridge
M. I. Wilkinson
Affiliation:
AAO, Australia; Theoretical Physics, Oxford; IoA, Cambridge

Abstract

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We present an investigation of the halo dynamics of M31 using planetary nebulae velocities. We have performed on-band [OIII] and off-band continuum imaging for a 3.6 square degree area centred on M31 and follow-up spectroscopy for over 600 planetary nebulae candidates. In the future the halo mass will be measured and the mass distribution and velocity anisotropy will be constrained as a function of radius.

Type
Part VIII: Planetary Nebulae as Galaxy Probes
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 629 - 632
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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