Origins and lifetimes of secular and tidal bars in simulated disc galaxies. [PDF]
Frosst M +3 more
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Evidence for the first globular cluster stellar stream beyond the Milky Way. [PDF]
Holm JK +7 more
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Stellar orbital dynamics of disk galaxies: I bars, II spiral arms.
I. Bars We investigate regular and chaotic two-dimensional (2D) and three-dimensional (3D) orbits of stars in models of a galactic potential consisting of a disk, a halo, and a bar to find the origin of boxy components that are part of the bar or (almost)
Luis Leonardo Chaves Velasquez
core
A rising tide: intrinsic alignments since the turn of the millennium. [PDF]
Chisari NE.
europepmc +1 more source
"Fermi" bubbles are bursting from our galaxy. Their origins remain a mystery. [PDF]
Mann A.
europepmc +1 more source
A Discrete Informational Framework for Classical Gravity: Ledger Foundations and Galaxy Rotation Curve Constraints. [PDF]
Simons M, Allahyarov E, Washburn J.
europepmc +1 more source
Modelling neutral hydrogen discs of spiral galaxies
We present an analytical model of a neutral hydrogen disc in a spiral galaxy. The gas disc of the spiral galaxy is assumed to have an exponential surface density profile and to be ionized by the cosmic ultraviolet background. To compare with observations,
Lin, WP +3 more
core
The Cluster Completeness Correction Calculator (c-4): a neural-network framework and pilot application to the LEGUS survey of NGC 628. [PDF]
Tang J +4 more
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Unitary Entities Are the True "Atoms". [PDF]
Jeynes C, Parker MC.
europepmc +1 more source
A large, long-lived, slowly-expanding superbubble across the Perseus arm. [PDF]
Chen B +7 more
europepmc +1 more source

