Chandra observations of CTA 1 PWN show jet/torus morphology, constrain pulsar velocity to ≲200 km/s, and model low magnetic field with PeV electron cutoff in a young low-efficiency nebula.
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A two-component Galactic source model with supernova remnants below 100 TeV and microquasars above, using charge-dependent cutoffs, accounts for cosmic-ray spectra, composition, and the all-particle spectrum up to PeV energies while ruling out nuclei-dependent cutoffs.
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Chandra X-ray Observations of the Pulsar Wind Nebula within CTA 1
Chandra observations of CTA 1 PWN show jet/torus morphology, constrain pulsar velocity to ≲200 km/s, and model low magnetic field with PeV electron cutoff in a young low-efficiency nebula.
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Two kinds of Galactic source populations could explain the cosmic-ray observation up to the "knee" region
A two-component Galactic source model with supernova remnants below 100 TeV and microquasars above, using charge-dependent cutoffs, accounts for cosmic-ray spectra, composition, and the all-particle spectrum up to PeV energies while ruling out nuclei-dependent cutoffs.