Departures From Axisymmetric Morphology and Dynamics in Spiral Galaxies
arXiv:astro-ph/0004113 · doi:10.1086/301422
Abstract
New HI synthesis data have been obtained for six face-on galaxies with the Very Large Array. These data and reanalyses of three additional data sets make up a sample of nine face-on galaxies analyzed for deviations from axisymmetry in morphology and dynamics. This sample represents a subsample of galaxies already analyzed for morphological symmetry properties in the R-band. Four quantitative measures of dynamical nonaxisymmetry are compared to one another and to the quantitative measures of morphological asymmetry in HI and R-band to investigate the relationships between nonaxisymmetric morphology and dynamics. We find no significant relationship between asymmetric morphology and most of the dynamical measures in our sample. A possible relationship is found, however, between morphology and dynamical position angle differences between approaching and receding sides of the galaxy.
24 pages, 19 figures, AASTeX, accepted for publication in AJ, postscript figures available at ftp://culebra.tn.cornell.edu/pub/david/figures.tar.gz
References in corpus (2)
Cited by in corpus (31)
- A Search for Extended Ultraviolet Disk (XUV-disk) Galaxies in the Local Universe
- How Large Are the Bars in Barred Galaxies?
- GHASP : An Halpha kinematic survey of spiral and irregular galaxies - VI. New Halpha data cubes for 108 galaxies
- An Imaging Survey of Early-Type Barred Galaxies
- GHASP : An Halpha kinematic survey of 203 spiral and irregular galaxies - VII. Revisiting the analysis of Halpha data cubes for 97 galaxies
- The AMIGA sample of isolated galaxies: VIII. The rate of asymmetric HI profiles in spiral galaxies
- The Measurement of Disk Ellipticity in Nearby Spiral Galaxies
- Signatures of Galaxy-Cluster Interactions: Spiral Galaxy Rotation Curve Asymmetry, Shape, and Extent
- The Extended Optical Disk of M101
- M/L, H-alpha Rotation Curves, and HI Measurements for 329 Nearby Cluster and Field Spirals: II. Evidence for Galaxy Infall
- The HI environment of the M101 group
- The kinematics of lopsided galaxies
- The Photometric and Kinematic Structure of Face-On Disk Galaxies. I. Sample Definition, H-alpha Integral Field Spectroscopy, and HI Line-Widths
- xGASS: Robust quantification of asymmetries in global HI spectra and their relationship to environmental processes
- Enhanced HI profile asymmetries in close galaxy pairs
- SDSS IV MaNGA: Characterizing Non-Axisymmetric Motions in Galaxy Velocity Fields Using the Radon Transform
- Breaks in the Radial Oxygen Abundance and Corotation Radius of Three Spiral Galaxies
- Systematically Asymmetric: A comparison of \hi\ profile asymmetries in real and simulated galaxies
- Asymmetry in Isolated, Morphologically Normal Sa Galaxies
- Massive Galaxy Mergers Have Distinctive Global HI Profiles
- Nonaxisymmetric models of galaxy velocity maps
- Diffuse HI Disks in Isolated Galaxies
- Spiral galaxies with non-typical mass-to-light ratios
- An off-centred bulge or a satellite? Hydrodynamical -body simulations of the disc galaxy NGC 5474
- The Chemodynamics of the Stellar Populations in M31 from APOGEE Integrated Light Spectroscopy
- Supermassive Black Holes and Nuclear Star Clusters: Connection with the Host Galaxy Kinematics and Color
- Signatures of Galaxy-Cluster Interactions: Tully-Fisher Observations at z~0.1
- Do Disk Galaxies with Abnormally Low Mass-to-Light Ratios Exist?
- HI Distribution and Tully-Fisher Distances of Gas-Poor Spiral Galaxies in the Virgo Cluster Region
- Vector- and tensor-valued descriptors for spatial patterns
- The strange case of the peculiar spiral galaxy NGC5474. New pieces of a galactic puzzle