SIMBAD references

2016MNRAS.460..689R - Mon. Not. R. Astron. Soc., 460, 689-728 (2016/July-3)

Baryonic distributions in galaxy dark matter haloes - I. New observations of neutral and ionized gas kinematics.

RICHARDS E.E., VAN ZEE L., BARNES K.L., STAUDAHER S., DALE D.A., BRAUN T.T., WAVLE D.C., DALCANTON J.J., BULLOCK J.S. and CHANDAR R.

Abstract (from CDS):

We present a combination of new and archival neutral hydrogen (H i) observations and new ionized gas spectroscopic observations for 16 galaxies in the statistically representative Extended Disk Galaxy Explore Science kinematic sample. H i rotation curves are derived from new and archival radio synthesis observations from the Very Large Array (VLA) as well as processed data products from the Westerbork Radio Synthesis Telescope (WSRT). The H i rotation curves are supplemented with optical spectroscopic integral field unit (IFU) observations using SparsePak on the WIYN 3.5 m telescope to constrain the central ionized gas kinematics in 12 galaxies. The full rotation curves of each galaxy are decomposed into baryonic and dark matter halo components using 3.6µm images from the Spitzer Space Telescope for the stellar content, the neutral hydrogen data for the atomic gas component, and, when available, CO data from the literature for the molecular gas component. Differences in the inferred distribution of mass are illustrated under fixed stellar mass-to-light ratio (M/L) and maximum disc/bulge assumptions in the rotation curve decomposition.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: kinematics and dynamics - galaxies: structure - galaxies: structure

Simbad objects: 39

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