Results 161 to 170 of about 451,169 (273)

Unusual Gas Structure in an Otherwise Normal Spiral Galaxy Hosting GRB 171205A/SN 2017iuk [PDF]

open access: gold, 2022
M. Arabsalmani   +6 more
openalex   +1 more source

Gas minor-axis velocity gradients in early-type spiral galaxies

open access: yes, 2003
We measured a remarkable gas velocity gradient along the minor axis of 5 early-type spiral galaxies. This phenomenon suggests the presence of a kinematically-decoupled component in orthogonal rotation with respect to the galaxy disk.
COCCATO, LODOVICO   +3 more
core   +1 more source

A Model of a Spiral Galaxy [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1951
McVittie, G. C.   +1 more
openaire   +2 more sources

100 Proof: H i Observations of 100 Nearby Dwarf Galaxies with the 100 m Green Bank Telescope

open access: yesThe Astronomical Journal
We describe the results of observations with the 100 m Robert C. Byrd Green Bank Telescope in the H i line of 105 nearby dwarf galaxies, 60 of which were discovered recently in the DESI Legacy Imaging Surveys.
Aleksandra E. Nazarova   +6 more
doaj   +1 more source

Counter-Rotating Disks in Galaxies

open access: yes, 2023
reservedCounter-rotation is a phenomenon found in some galaxies; it happens when a counter-rotating disk which rotates in an opposite direction to the main disk is found.
EL-SAYEGH, ALYAA EL-HAK
core  

Secondary evolution of galaxies investigated by N-body simulations

open access: yes, 2008
In the ΛCDM cosmology, merging is one of the most important physical processes that drives the formation and evolution of galaxies. In the present work, we use N-body techniques to investigate some of currently open issues related to the formation and ...
Coppola, Giuseppina
core  

Star Formation in the Lopsided Galaxy Arp 291

open access: yesThe Astrophysical Journal
We have investigated the star formation process taking place in the lopsided galaxy Arp 291, based on narrowband images in the H α , [N ii ] λ 6583, and [O iii ] λ 5007 emission lines, obtained using the modern tunable photometer MaNGaL at the Caucasus ...
Irina S. Proshina, Dmitriy V. Oparin
doaj   +1 more source

Spiral Structure Properties, Dynamics, and Evolution in Milky Way–mass Galaxy Simulations

open access: yesThe Astrophysical Journal
The structure of spiral galaxies is essential to understanding the dynamics and evolution of disk galaxies; however, the precise nature of spiral arms remains uncertain.
J. R. Quinn   +10 more
doaj   +1 more source

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