Results 31 to 40 of about 267,309 (249)

Caught in the web: Galaxy mergers along cosmic filaments

open access: yesAstronomy & Astrophysics
Context. Galaxy clusters grow through the accretion of galaxies from groups, filaments, and other clusters. During this process, galaxies may undergo pre-processing in lower density environments, where galaxy–galaxy mergers and other interactions can ...
Dulcien Carolina   +33 more
doaj   +1 more source

Molecular Gas and Star Formation in Nearby Starburst Galaxy Mergers

open access: yesThe Astrophysical Journal, 2023
We employ the Feedback In Realistic Environments (FIRE-2) physics model to study how the properties of giant molecular clouds (GMCs) evolve during galaxy mergers.
Hao He   +7 more
doaj   +1 more source

Gravitational Fragmentation in Galaxy Mergers: A Stability Criteria [PDF]

open access: yes, 2012
We study the gravitational stability of gaseous streams in the complex environment of a galaxy merger, because mergers are known to be places of ongoing massive cluster formation and bursts of star formation. We find an analytic stability parameter for
Becerra, Fernando   +6 more
core   +1 more source

Magnetic fields during galaxy mergers [PDF]

open access: yesAstronomy & Astrophysics, 2016
Galaxy mergers are expected to play a central role for the evolution of galaxies, and may have a strong impact on their magnetic fields. We present the first grid-based 3D magneto-hydrodynamical simulations investigating the evolution of magnetic fields during merger events. For this purpose, we employ a simplified model considering the merger event of
Rodenbeck, K.   +1 more
openaire   +4 more sources

Galaxy masses [PDF]

open access: yes, 2014
Galaxy masses play a fundamental role in our understanding of structure formation models. This review addresses the variety and reliability of mass estimators that pertain to stars, gas, and dark matter.
Courteau, Stephane   +10 more
core   +1 more source

Possible orbits of a satellite galaxy for shell formation in galaxy merger events [PDF]

open access: yesSerbian Astronomical Journal
We investigated formation of stellar shells in mergers between the host spiral galaxy and its satellite galaxy in different scenarios. Results of previous works showed that stellar shells are formed in very radial mergers. We run N-body simulations for 4
Milošević S.
doaj   +1 more source

Interacting galaxies and mergers

open access: yesNature Astronomy, 2019
Two landmark papers in the 1970s contributed strongly to establishing the importance of galaxy interactions and mergers in the formation and evolution of galaxies, using only gravity, and the ensuing dynamical friction.
Athanassoula, E., Bosma, Albert
openaire   +2 more sources

THE MERGER-DRIVEN EVOLUTION OF MASSIVE GALAXIES [PDF]

open access: yesThe Astrophysical Journal, 2010
We explore the rate and impact of galaxy mergers on the massive galaxy population using the amplitude of the two-point correlation function on small scales for M > 5e10 M_sun galaxies from the COSMOS and COMBO-17 surveys. Using a pair fraction derived from the Sloan Digital Sky Survey as a low-redshift benchmark, the large survey area at ...
Robaina, Aday R   +7 more
openaire   +5 more sources

Eight Gigayears of Galaxy Mergers [PDF]

open access: yes, 2010
Galaxy interactions are expected to play a crucial role in the build--up of stellar mass in any cold dark matter cosmology. Of particular interest are the mergers between systems of a comparable mass, as they are predicted to be one of the main modes of ...
Robaina Rapisarda, Aday
core   +1 more source

Continuum Robots in Surgery: From Engineering Design to Clinical Practice

open access: yesAdvanced Robotics Research, EarlyView.
The hyper‐redundant nature of continuum robot structures enables near‐infinite degrees of freedom leading to immense potential for medical applications. This review provides a historical background of continuum robots and novel ideas shaping their progress to current structural design, sensing technology, modeling techniques, and control methods.
Griffin Smith   +6 more
wiley   +1 more source

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