How stars formed in warps settle into (and contaminate) thick discs
Tigran Khachaturyants,
Leandro Beraldo e Silva,
Victor P. Debattista
Abstract:In recent years star formation has been discovered in the Milky Way's warp. These stars formed in the warp (warp stars) must eventually settle into the plane of the disc. We use an š-body+smooth particle hydrodynamics model of a warped galaxy to study how warp stars settle into the disc. By following warp stars in angular momentum space, we show that they first tilt to partially align with the main disc in a time scale of ā¼ 1 Gyr. Then, once differential precession halts this process, they phase mix into an a… Show more
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