The Cygnus Bubble's ultra-high-energy gamma-ray emission above 400 TeV is physically more consistent with a microquasar halo around Cygnus X-3 than with the Cygnus OB2 star-forming region.
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9 Pith papers cite this work, alongside 43 external citations. Polarity classification is still indexing.
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LHAASO gamma-ray data from G150.3+4.5 and γ-Cygni show high-energy components produced by PeV cosmic rays from supernova remnants colliding with molecular clouds.
The GeV emission zone in Cygnus X-3 is too large and magnetized too weakly to accelerate protons to PeV energies, so the PeV gamma rays must originate from a more compact inner region with rapid magnetic field dissipation.
RGS spectra of V4641 Sgr reveal narrow N and O lines from a dense, multi-phase, photoionized disk atmosphere with log ξ ≈ 3.1 and 0.36 and velocities 540-720 km/s.
Feasibility proposal for SKA-Low radio detection of PeV gamma-ray air showers from galactic PeVatrons.
Observational evidence links obscured super-Eddington accretion to slower precessing jets in stellar-mass compact object systems, contrasting with fixed fast jets in low-density environments.
Overview of synergies between SKA radio observations and gamma-ray facilities for studying transient, variable, and steady GeV-TeV sources.
This perspective paper outlines expected advances in studying accretion and jets in compact object binaries using the SKA's improved sensitivity and resolution.
This review summarizes the role of massive star feedback and projects how SKA radio observations will advance studies of HII regions, stellar winds, cosmic ray acceleration, and magnetic fields.
citing papers explorer
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Microquasar Cygnus X-3 as the PeVatron powering the Cygnus Bubble
The Cygnus Bubble's ultra-high-energy gamma-ray emission above 400 TeV is physically more consistent with a microquasar halo around Cygnus X-3 than with the Cygnus OB2 star-forming region.
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Ultra-high-energy $\gamma$-ray imprints from PeV particles accelerated by supernova remnants
LHAASO gamma-ray data from G150.3+4.5 and γ-Cygni show high-energy components produced by PeV cosmic rays from supernova remnants colliding with molecular clouds.
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Constraining the PeV gamma-ray emission zone of Cygnus X-3 with contemporaneous GeV timing and spectral observations
The GeV emission zone in Cygnus X-3 is too large and magnetized too weakly to accelerate protons to PeV energies, so the PeV gamma rays must originate from a more compact inner region with rapid magnetic field dissipation.
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Dense, multi-phase accretion disk atmosphere in the low-luminosity state of black hole transientV4641 Sgr
RGS spectra of V4641 Sgr reveal narrow N and O lines from a dense, multi-phase, photoionized disk atmosphere with log ξ ≈ 3.1 and 0.36 and velocities 540-720 km/s.
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Using SKA-Low to Detect PeV Gamma-rays from Galactic Sources
Feasibility proposal for SKA-Low radio detection of PeV gamma-ray air showers from galactic PeVatrons.
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The link between obscured accretion and mildly relativistic precessing jets
Observational evidence links obscured super-Eddington accretion to slower precessing jets in stellar-mass compact object systems, contrasting with fixed fast jets in low-density environments.
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SKAO and Gamma-Ray Synergies
Overview of synergies between SKA radio observations and gamma-ray facilities for studying transient, variable, and steady GeV-TeV sources.
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Accreting Compact Object Binaries with the SKA
This perspective paper outlines expected advances in studying accretion and jets in compact object binaries using the SKA's improved sensitivity and resolution.
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The Impact and Environment of Massive Stars and Stellar Clusters
This review summarizes the role of massive star feedback and projects how SKA radio observations will advance studies of HII regions, stellar winds, cosmic ray acceleration, and magnetic fields.