Extreme kinematic misalignment in IllustrisTNG galaxies: the origin, structure, and internal dynamics of galaxies with a large-scale counterrotation [PDF]
ABSTRACT We provide an in-deep analysis of 25 galaxies with substantial counterrotation from IllustrisTNG100 simulations in the stellar mass range 2×109−3×1010 M⊙. The counterrotation is a result of an external gas infall ≈2–8 Gyr ago.
Sergey Khoperskov +11 more
openalex +6 more sources
Kinematics, substructure and luminosity-weighted dynamics of six nearby galaxy groups [PDF]
15 pages, 5 figures. Accepted for publication in MNRAS.
P. Firth +5 more
openalex +4 more sources
Evaluating galaxy dynamical masses from kinematics and jeans equilibrium in simulations [PDF]
ABSTRACT We provide prescriptions to evaluate the dynamical mass (Mdyn) of galaxies from kinematic measurements of stars or gas using analytic considerations and the VELA suite of cosmological zoom-in simulations at z = 1–5. We find that Jeans or hydrostatic equilibrium is approximately valid for galaxies of stellar masses above M⋆ ∼ 109.
Michael Kretschmer +5 more
openaire +2 more sources
Deep Kinematics and Dynamics of Edge-on S0 Galaxies. I. NGC 3115 [PDF]
As a first step of a program aimed to the detection of dark matter (or radial variations of M/L) in early-type galaxies, we report deep spectroscopic observations of the bulge-dominated edge-on S0 galaxy NGC 3115, made at ESO, La Silla, using EFOSC at the 3.6m telescope and EMMI at NTT.
M. Capaccioli +3 more
+5 more sources
Photometry, Kinematics and Dynamics of the Magellanic-Type Barred Spiral Galaxy NGC 4027 [PDF]
G. de Vaucouleurs +2 more
openalex +2 more sources
A New Method for the Reconstruction of Strongly Lensed Galaxies with Resolved Kinematics [PDF]
Integral field spectroscopy of high-redshift galaxies has become a powerful tool for understanding their dynamics and evolutionary states. However, in the case of gravitationally lensed systems, it has proved difficult to model both lensing and intrinsic
A. Young, C. Keeton, A. Baker
semanticscholar +1 more source
Molecular gas kinematics in the nuclear region of nearby Seyfert galaxies with ALMA [PDF]
We present the analysis of the molecular gas in the nuclear regions of NGC 4968, NGC 4845, and MCG-06-30-15, with the help of ALMA observations of the CO(2-1) emission line.
A. Belete +13 more
semanticscholar +1 more source
Kinematics and dynamics of the M 51-type galaxy pair NGC 3893/96 (KPG 302) [PDF]
Accepted for publication in A&A.
I. Fuentes-Carrera +4 more
openalex +4 more sources
The dynamics of the dE galaxy FS76 : bridging the kinematic dichotomy between Es and dEs [PDF]
We present major and minor axis kinematics out to 2 half-light radii for the bright (M_B=-16.7) dwarf elliptical FS76, a member of the NGC5044 group. Its velocity dispersion is 46 \pm 2 km/s in the center and rises to 70 \pm 10 km/s at half-light radius. Beyond 1R_e the dispersion starts to fall again.
S. De Rijcke +3 more
+5 more sources
Kinematical and Dynamical Modeling of Elliptical Galaxies [PDF]
Elements of kinematical and dynamical modeling of elliptical galaxies (Es) are presented. In projection, NFW models resemble Sersic models, but with a very narrow range of shapes (m=3+/-1). The total density profile of Es cannot be NFW-like because the predicted local M/L and aperture velocity dispersion within an effective radius (Re) are much lower ...
Mamon, G. A. +4 more
openaire +2 more sources

