Results 111 to 120 of about 53,348 (269)

The Evolution of Cuspy Triaxial Galaxies Harboring Central Black Holes

, 2001
We use numerical simulations to study the evolution of triaxial elliptical galaxies with central black holes. In contrast to earlier numerical studies which used galaxy models with central density ``cores,'' our galaxies have steep central cusps, like ...
Arnold R., Arnold V. I., Binney J., Colin Norman, Gebhardt K., Gerhard O. E., Gerhard O. E., Goodman J., Goodman J., J. Christopher Mihos, Kelly Holley‐Bockelmann, Kormendy J., Lars Hernquist, Papaphilippou Y., Richstone D., Steinn Sigurdsson   +15 more
core   +1 more source

Disks Controlling Chaos in a 3D Dynamical Model for Elliptical Galaxies

Open Astronomy, 2011
A 3D dynamical model with a quasi-homogeneous core and a disk component is used for the chaos control in the central parts of elliptical galaxy.
Zotos Euaggelos E.
doaj   +1 more source

The orientation of galaxy pairs with filamentary structures: dependence on morphology

, 2018
Aims. With the aim of performing an analysis of the orientations of galaxy pair systems with respect to the underlying large-scale structure, we study the alignment between the axis connecting the pair galaxies and the host cosmic filament where the pair
Alonso, Sol, Coldwell, Georgina, Duplancic, Fernanda, Jofré, M. Rosa Muñoz, Lambas, Diego G., Mesa, Valeria   +5 more
core   +1 more source

Dissipationless mergers of elliptical galaxies and the evolution of the fundamental plane [PDF]

, 2005
Michael Boylan-Kolchin, C. P., Eliot Quataert   +2 more
openalex   +1 more source

The Outer Halos of Elliptical Galaxies [PDF]

, 2010
Recent progress is summarized on the determination of the density distributions of stars and dark matter, stellar kinematics, and stellar population properties, in the extended, low surface brightness halo regions of elliptical galaxies. With integral field absorption spectroscopy and with planetary nebulae as tracers, velocity dispersion and rotation ...
openaire   +2 more sources

Causal Discovery in Astrophysics: Unraveling Supermassive Black Hole and Galaxy Coevolution

The Astrophysical Journal
Correlation does not imply causation, but patterns of statistical association between variables can be exploited to infer a causal structure (even with purely observational data) with the burgeoning field of causal discovery.
Zehao Jin, Mario Pasquato, Benjamin L. Davis, Tristan Deleu, Yu Luo, Changhyun Cho, Pablo Lemos, Laurence Perreault-Levasseur, Yoshua Bengio, Xi Kang, Andrea Valerio Macciò, Yashar Hezaveh   +11 more
doaj   +1 more source

ChandraObservations of Gas Stripping in the Elliptical Galaxy NGC 4552 in the Virgo Cluster [PDF]

, 2006
M. Macháček, C. Jones, W. Forman, P. E. J. Nulsen   +3 more
openalex   +1 more source

X-ray Binaries and Globular Clusters in Elliptical Galaxies

, 2002
The X-ray emission from normal elliptical galaxies has two major components: soft emission from diffuse gas and harder emission from populations of accreting (low-mass) stellar X-ray binaries (LMXB).
Craig L. Sarazin, Kissler-Patig M., Raymond E. White III, Shrinivas R. Kulkarni, Terman J. L., White R. E., III., White R. E., III.   +6 more
core   +1 more source

Stellar Populations of Elliptical Galaxies in Virgo Cluster. I. The Data and Stellar Population Analysis [PDF]

, 2006
Y. Yamada, N. Arimoto, A. Vazdekis, R. F. Peletier   +3 more
openalex   +1 more source

Scaling Relations of Early-Type Galaxies in MOND

Galaxies
We investigate the shape and morphology of early-type galaxies (ETGs) within the framework of Modified Newtonian Dynamics (MOND). Building on our previous studies, which demonstrated that the monolithic collapse of primordial gas clouds in MOND produces ...
Robin Eappen, Pavel Kroupa
doaj   +1 more source