A new Gaia-based catalogue identifies 57 kinematically coherent OB associations within 1 kpc of the Sun, twice as many as previously known, and finds most are expanding.
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The Galactic Center Lobe is a foreground HII region at ~2 kpc, photoionized and forming a closed outer loop, not a Galactic center feature.
A Gaia DR3-based census of 105,971 OB stars within 2 kpc maps local Galactic structure and identifies over 4,200 core-collapse supernova or black hole progenitor candidates.
citing papers explorer
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A new Gaia census of OB associations within 1 kpc
A new Gaia-based catalogue identifies 57 kinematically coherent OB associations within 1 kpc of the Sun, twice as many as previously known, and finds most are expanding.
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SDSS-V LVM: Verifying what, and where, the 'Galactic Center' Lobe is
The Galactic Center Lobe is a foreground HII region at ~2 kpc, photoionized and forming a closed outer loop, not a Galactic center feature.
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Unveiling the Milky Way with a Gaia DR3 census of OB-type stars within 2 kpc. I. Tracing local Galactic structure, massive star-forming regions and core-collapse supernova progenitors
A Gaia DR3-based census of 105,971 OB stars within 2 kpc maps local Galactic structure and identifies over 4,200 core-collapse supernova or black hole progenitor candidates.