Recalibration of the Hα surface brightness-radius relation with Gaia DR3 parallaxes yields new distances for 1130 planetary nebulae and shows breaks in the Milky Way oxygen radial gradient near the solar radius.
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Turbulence is ubiquitous in the ionized shells of Galactic planetary nebulae, with residual velocities transonic or slightly supersonic and larger in inner regions and [WR]-type central stars.
citing papers explorer
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Recalibration of the H$\alpha$ surface brightness-radius relation for planetary nebulae using Gaia DR3: new distances and the Milky Way oxygen radial gradient
Recalibration of the Hα surface brightness-radius relation with Gaia DR3 parallaxes yields new distances for 1130 planetary nebulae and shows breaks in the Milky Way oxygen radial gradient near the solar radius.
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The ubiquity of turbulence in the expanding kinematics of the ionized shells of Galactic planetary nebulae
Turbulence is ubiquitous in the ionized shells of Galactic planetary nebulae, with residual velocities transonic or slightly supersonic and larger in inner regions and [WR]-type central stars.