The Messenger 117
September 2004

The Birth of a Massive Star

Rolf Chini [1], Vera Hoffmeister [1], Stefan Kimeswenger [2], Markus Nielbock [1],
Dieter Nürnberger [3], Linda Schmidtobreick [3], Michael Sterzik [3]

[1] Astronomisches Institut, Ruhr-Universität Bochum, Germany; [2] Institut für Astrophysik, Universität Innsbruck, Austria;
[3] European Southern Observatory

Abstract: New results from ESO and IRAM suggest that massive stars form in the same way as their low-mass counterparts. In the Omega nebula, a young stellar object of more than ten solar masses is surrounded by a huge rotating disc with at least 100 solar masses of gas and dust. Part of the gas that falls onto the growing star is ejected perpendicularly to the disc, producing a bipolar jet and an hourglass shaped nebula.

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The Messenger 117 September 2004

The Birth of a Massive Star

Rolf Chini [1], Vera Hoffmeister [1], Stefan Kimeswenger [2], Markus Nielbock [1], Dieter Nürnberger [3], Linda Schmidtobreick [3], Michael Sterzik [3]

[1] Astronomisches Institut, Ruhr-Universität Bochum, Germany; [2] Institut für Astrophysik, Universität Innsbruck, Austria; [3] European Southern Observatory

The Messenger 117
September 2004

Rolf Chini [1], Vera Hoffmeister [1], Stefan Kimeswenger [2], Markus Nielbock [1],
Dieter Nürnberger [3], Linda Schmidtobreick [3], Michael Sterzik [3]

[1] Astronomisches Institut, Ruhr-Universität Bochum, Germany; [2] Institut für Astrophysik, Universität Innsbruck, Austria;
[3] European Southern Observatory