The photo-astrometric vertical tracer density of the Milky Way - II. Results from Gaia
We use Gaia photometry and astrometry to estimate the vertical spatial structure of the Milky Way at the Solar radius, formally accounting for sample incompleteness (the selection function) and parallax measurement uncertainty. Our results show impressive precision demonstrating the power of the Gaia data. However, systematic errors dominate the
Everall, Andrew et al.
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2022