Using normalizing flows and a neural network on Gaia DR3 data, the authors recover a local pattern speed of 28.2 km/s/kpc and a total matter density of 0.086 solar masses per cubic parsec within 1 kpc of the Sun.
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Deep Potential: Recovering the gravitational potential and local pattern speed in the solar neighborhood with GDR3 using normalizing flows
Using normalizing flows and a neural network on Gaia DR3 data, the authors recover a local pattern speed of 28.2 km/s/kpc and a total matter density of 0.086 solar masses per cubic parsec within 1 kpc of the Sun.