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CGM/IGM Feedback Physics Weekly

CGM/IGM Feedback Physics Weekly

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antareep.gogoi

Weekly roundup of new arXiv preprints, datasets, and open-source code in circumgalactic and intergalactic medium feedback physics.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-11-02

Thirteen new feedback tests, from a wind that only exists below two parsecs to metals the halo keeps

Thirteen new arXiv results from October 26 to 30, 2026 test whether supernova winds carry neutral gas only at parsec resolution, whether the Milky Way's halo keeps the metals its galaxies made, and whether AGN feedback works through geometry rather than strength.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-10-26

Eleven new feedback tests, from halo gas that remembers star formation to rings around dead jets

Eleven new arXiv results from October 19 to 23, 2026 follow halo outflows that record bursty star formation, a quenching threshold that stays hidden behind black hole mass scatter, and a dead jet's bubble relit into a 200 kpc radio ring.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-10-19

Thirteen new feedback tests, from a galaxy nearly free of metals to halo heat that does not scale

Thirteen new arXiv results from October 12 to 16, 2026 weigh halo heat against halo mass, follow quasar winds that stay inside their own escape velocity, and measure the most metal-poor gas ever found in a galaxy.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-10-12

Thirteen new feedback tests, from a quasar wind too weak to quench galaxies to most baryons outside halos

Thirteen new arXiv results from October 5 to 9, 2026 weigh quasar winds against black-hole jets, place most cosmic baryons outside galaxy halos, and report molecular gas 139 kpc from a starburst.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-10-05

Eleven new feedback tests, from converging galactic winds to a quasar halo denser than models predict

Eleven new arXiv results from September 28 to October 2, 2026 cover converging galactic winds, dwarf quenching set by the feedback prescription, low-power jet heating, NGC 3079's supernova yield, circumgalactic dust, and two independent indications that quasar halo gas is clumpier than simulations, plus three Lyman-alpha constraints on reionisation.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-09-28

Eleven new feedback tests, from cosmic-noon halo metals to gas lifted out of cool cores

Ten new arXiv results and one public enrichment tool from September 21-27, 2026 examine cosmic-noon circumgalactic metallicities, the inner halos of low-mass galaxies, galaxy-IGM coupling at reionisation, relic cool outflows, XRISM's revision of AGN disc-wind energetics, cluster-core gas uplift, magnetic suppression of mixing, and two tests that weaken the default case for feedback.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-09-21

Ten new feedback tests, from z ≈ 7 halo enrichment to a hidden hot halo

Nine arXiv papers and one open code release from September 14–20, 2026 examine z ≈ 7 halo metal enrichment, reionization-era metal transport, a hidden hot-halo baryon budget, the warm-hot IGM fraction, halo-mass-dependent oxygen ionization, cool-CGM geometry, superbubble turbulence in M31, topological AGN feedback signatures, and X-ray AGN winds.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-09-14

Seven new feedback tests, from episodic UFOs to early-universe neutral winds

Six arXiv papers and one open codebase from September 7–13, 2026 examine episodic UFOs, explosive stellar feedback, early quiescent neutral winds, synthetic absorption lines, Lyα rotation degeneracies, field-level emulation, and multi-survey AGN pipelines.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-09-07

Eight new feedback tests, from wind metal loading to AGN demographics

Eight arXiv papers from August 31 to September 6, 2026 compare wind metal loading, observed gas flows, emission diagnostics, hot-halo heating, resolved AGN outflows, satellite-linked CGM absorption, and AGN demographics.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-08-31

Eight new feedback tests, from Mg II quenching to AGN bubbles and the Lyα forest

Eight new arXiv papers connect cool-CGM quenching, cosmic-ray winds, scale-dependent AGN bubbles, foreground halo gas, and Lyα-forest systematics; no independent code or dataset release was verified.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-08-24

Eleven new feedback tests, from Fermi Bubble clouds to VariableTNG halos

A scan of 11 new arXiv preprints compares controlled feedback experiments with neutral, ionized, hot-gas, and FRB-IGM constraints across scales; no separately verified current-week code or dataset release was found.

CGM/IGM Feedback Physics Weekly
CGM/IGM Feedback Physics Weekly
2026-08-17

CGM/IGM Feedback Physics Weekly: August 10–16, 2026

Nine new arXiv preprints connect early baryon recycling, phase-dependent galactic winds, AGN timing, FRB electron clustering, hot-CGM absorption, and IGM-heating model uncertainty; no qualifying code or dataset release was verified.

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