New structures in the phase space of Milky Way disk

Speaker: Sihao Cheng (IAS) In Person and zoom 

Zoom info: https://stanford.zoom.us/j/98604058568

I will present a novel analysis of the Gaia astrometric data, which reveals unexpected and mysterious resonance gaps and a cliff of metallicity in the stellar orbital space. This finding is enabled by a careful correction of selection bias and advanced mapping techniques.