Extragalactic Stellar Streams in Time-Dependent Cosmological Halos

arXiv:2609.00526 · astro-ph.GA · Submitted 2026-09-01 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-01

Updated: 2026-09-01

Code: https://github.com/ax-ml/jax

Terminology

• Degeneracy — 33× in this paper · explained in 3 episodes
• Trace — 8× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Modeling — 1× in this paper · explained in 3 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Large Magellanic Cloud — 1× in this paper
• N-body simulations — 1× in this paper · explained in 2 episodes
• Stellar Feedback — 1× in this paper · explained in 2 episodes

Sources

• A dwarf galaxy's transformation and a massive galaxy's edge: autopsy of kill and killer in NGC 1097
• Constraining the population of dark matter halo shapes using hierarchical inference with extragalactic stellar streams
• Constraints on the population level distribution of nearby Dark Matter halo shapes with extragalactic streams
• Euclid Quick Data Release (Q1): The geometry of dark matter halos from extragalactic streams
• Evidence for the First Globular Cluster Stellar Stream beyond the Milky Way
• Adam: A Method for Stochastic Optimization
• Semantic search for 100M+ galaxy images using AI-generated captions
• Composable Effects for Flexible and Accelerated Probabilistic Programming in NumPyro
• Extragalactic Stellar Tidal Streams: Observations meet Simulation
• A Long Stellar Stream in M83: Possible Connection Between XUV Disks and Minor Mergers?
• Decoding the Galactic Twirl: The Downfall of Milky Way-mass Galaxies Rotation Curves in the FIRE Simulations
• The Galaxy Progenitors of Stellar Streams around Milky Way-mass Galaxies in the FIRE Cosmological Simulations
• STRRINGS: STReams in Residual Images of Nearby GalaxieS
• Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report
• Deep Imaging Meets Motion: Complementing Stream Photometry Through Planetary Nebula Kinematics
• Dancing Streams In Merging Halos: Stellar Streams in a MW--LMC-like merger
• Second public data release of the FIRE-2 cosmological zoom-in simulations of galaxy formation
• Potamides: Mapping Dark Matter Halo Shapes from Stellar Stream Tracks in the Local Universe

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