Signatures of a Tidally Induced Spiral Arm at the Anticenter of the Milky Way and a Kinematically Extended Anticenter Stream Using DESI DR2

Mika Lambert, Constance M. Rockosi, Sergey E. Koposov +46

Using the Dark Energy Spectroscopic Instrument Milky Way Survey (DESI MWS), we examine the 6D space of the anticenter region of the stellar disk (150${}^{\circ }$ $<$ Galactic longitude…