SIMBAD references

2006MNRAS.369...97H - Mon. Not. R. Astron. Soc., 369, 97-119 (2006/June-2)

Planetary nebula velocities in the disc and bulge of M31.

HALLIDAY C., CARTER D., BRIDGES T.J., JACKSON Z.C., WILKINSON M.I., QUINN D.P., EVANS N.W., DOUGLAS N.G., MERRETT H.R., MERRIFIELD M.R., ROMANOWSKY A.J., KUIJKEN K. and IRWIN M.J.

Abstract (from CDS):

We present radial velocities for a sample of 723 planetary nebulae in the disc and bulge of M31, measured using the WYFFOS fibre spectrograph on the William Herschel Telescope. Velocities are determined using the [Oiii]λ5007 emission line. Rotation and velocity dispersion are measured to a radius of 50arcmin (11.5kpc), the first stellar rotation curve and velocity dispersion profile for M31 to such a radius. Our kinematics are consistent with rotational support at radii well beyond the bulge effective radius of 1.4kpc, although our data beyond a radius of 5kpc are limited. We present tentative evidence for kinematic substructure in the bulge of M31 to be studied fully in a later work. This paper is part of an ongoing project to constrain the total mass, mass distribution and velocity anisotropy of the disc, bulge and halo of M31.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): galaxies: haloes - galaxies: individual: M31 - galaxies: spiral

VizieR on-line data: <Available at CDS (J/MNRAS/369/97): table 1, tablea1.dat>

Nomenclature: Table 1: [HCB2006] FD-NN-N-NN N=40. Table A1: [HCB2006] PN-NN-N-NNN N=442.

Simbad objects: 723

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