Press Release:
Hubble catches stars on the move: Internal dynamics and membership of the NGC 3603 Young Cluster from microarcsecond astrometry: PDF copy and Abstract at, Original paper at Astrophyical Journal Letters

Max-Planck-Institut für Astronomie, Heidelberg, Germany:
Wolfgang Brandner, phone: +49 6221 528 289, Email:
Boyke Rochau,, phone: +49 6221 528 400, Email:

I. Physikalisches Institut, University of Cologne, Germany
Andrea Stolte, phone: +49 221 470 5933, Email: