An ALMA view of the Jet-Arc CO clouds toward the TeV gamma-ray source HESS J1023-575 and Westerlund 2; Evidence for the footprints of microquasar jets, the very powerful cosmic-ray accelerator in the Galactic disk

arXiv:2608.14988 · astro-ph.HE, astro-ph.GA · Submitted 2026-08-15 · Read on arXiv

astro-ph.HE, astro-ph.GA

Submitted: 2026-08-15

Updated: 2026-09-14

Comments: 6 pages, 3 figures, 1 table. Accepted for publication in PASJ as a Letter

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Alignment — 3× in this paper · explained in 1 episode
• Velocity Dispersion — 2× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• EMMA — 1× in this paper · explained in 2 episodes
• National Astronomical Observatory of Japan — 1× in this paper
• National Institutes of Natural Sciences — 1× in this paper
• Total Power — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Microquasars as the major contributors to Galactic cosmic rays around the "knee"

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