Results 21 to 30 of about 67,210 (214)

The introduction of baryon string in the model of spiral galaxies structure [PDF]

open access: yesКомпьютерные исследования и моделирование, 2012
It proposes a new alternative approach to explain the flat spectrum of the velocity for stars orbital motion on the periphery of spiral galaxies. In particular, that velocity significant excess of speed calculated according to the virial theorem.
A. V. Koganov, Vladimir G. Krechet
doaj   +1 more source

Barred Spiral Galaxies [PDF]

open access: yesSymposium - International Astronomical Union, 1970
We point out some properties of barred spiral galaxies which are important for the theory of their formation and spiral structure, and describe some theoretical work on the dynamics of these systems.
openaire   +1 more source

Signatures of Galaxy-Cluster Interactions: Spiral Galaxy Rotation Curve Asymmetry, Shape, and Extent [PDF]

open access: yes, 2000
The environmental dependencies of the characteristics of spiral galaxy rotation curves are studied in this work. We use our large, homogeneously collected sample of 510 cluster spiral galaxy rotation curves to test the claim that the shape of a galaxy's ...
Adabi M. G.   +16 more
core   +4 more sources

Isolated Galaxies versus Interacting Pairs with MaNGA

open access: yesGalaxies, 2015
We present preliminary results of the spectral analysis on the radial distributions of the star formation history in both a galaxy merger and a spiral isolated galaxy observed with MaNGA.
María del Carmen Argudo Fernández   +5 more
doaj   +1 more source

Zoom-in cosmological hydrodynamical simulation of a star-forming barred, spiral galaxy at redshift z=2 [PDF]

open access: yes, 2019
Accepted for publication in MNRASWe present gas and stellar kinematics of a high-resolution zoom-in cosmological chemodynamical simulation, which fortuitously captures the formation and evolution of a star-forming barred spiral galaxy, from redshift $z ...
Kobayashi, Chiaki   +2 more
core   +5 more sources

SpArcFiRe: Enhancing Spiral Galaxy Recognition Using Arm Analysis and Random Forests

open access: yesGalaxies, 2018
Automated quantification of galaxy morphology is necessary because the size of upcoming sky surveys will overwhelm human volunteers. Existing classification schemes are inadequate because (a) their uncertainty increases near the boundary of classes and ...
Pedro Silva   +2 more
doaj   +1 more source

The first detection of Far-Infrared emission associated with an extended HI disk. The case of NGC 891 [PDF]

open access: yes, 2003
Spiral galaxies in the Local Universe are commonly observed to be embedded in extended disks of neutral hydrogen - the so called ``extended HI disks''.
Alton   +38 more
core   +1 more source

Spiral Galaxies

open access: yes, 2023
Our vision of galaxies has changed significantly since the era of large galaxy surveys like the Sloan, which gave us extensive statistics with millions of galaxies. The Hubble sequence classification described in Chapter 1 still remains very widely used but has been enriched with broad categories based on color that indicate the recent formation of ...
openaire   +2 more sources

Discovery of a Nearby Low-Surface-Brightness Spiral Galaxy [PDF]

open access: yes, 1998
During the course of a search for compact, isolated gas clouds moving with anomalous velocities in or near our own Galaxy (Braun and Burton 1998 A&A, in press), we have discovered, in the data of the Leiden/Dwingeloo survey (Hartmann and Burton 1997 ...
C. G. Hoopes   +11 more
core   +2 more sources

Gravitational Lensing by Spiral Galaxies [PDF]

open access: yesThe Astrophysical Journal, 1998
27 pages, 7 postscript figures, submitted to ...
Keeton, C. R., Kochanek, C. S.
openaire   +2 more sources

Home - About - Disclaimer - Privacy