VLBI astrometry gives a 20.2 kpc distance and 872 pc height for G040.96+02.48, confirming a warp in the Extreme Outer Galaxy with unusual outward motion.
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Galactic disks precess ubiquitously from tidal torques, causing warps, orbital heating, and radial alignments of satellites.
The Milky Way stellar disk shows a broken radial density profile with four components, azimuthal dependence, inner and outer flaring, and a density-metallicity bump possibly from radial migration.
citing papers explorer
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East Asian VLBI Network astrometry toward the star-forming region G040.96+02.48 in the Extreme Outer Galaxy
VLBI astrometry gives a 20.2 kpc distance and 872 pc height for G040.96+02.48, confirming a warp in the Extreme Outer Galaxy with unusual outward motion.
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A Universal Dance of Galactic Disks: Ubiquitous Precession and Its Implications
Galactic disks precess ubiquitously from tidal torques, causing warps, orbital heating, and radial alignments of satellites.
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Mapping the Milky Way with Gaia Bp/Rp spectra-IV: the broken and asymmetric density profile of the stellar disk traced by a large sample of red clumps
The Milky Way stellar disk shows a broken radial density profile with four components, azimuthal dependence, inner and outer flaring, and a density-metallicity bump possibly from radial migration.