Radio observations of jets from massive young stars

Details Radio observations of jets from massive young stars Radio observations of jets from massive young stars

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..275..367r&link_type=abstract

Jets at all Scales, Proceedings of the International Astronomical Union, IAU Symposium, Volume 275, p. 367-373

Astronomy and Astrophysics

Astronomy

Radiation Mechanisms: Nonthermal, Stars: Formation, Ism: Jets And Outflows

Scientific paper

The formation of low mass stars takes place with the assistance of an accretion disk that transports gas and dust from the envelope of the system to the star, and a jet that removes angular momentum and allows accretion to proceed. In the radio, these ionized jets can be studied very close to the star via the thermal (free-free) emission they produce and at larger scales by the molecular outflows that result from their interaction with the surrounding medium. Is the same disk-jet process responsible for the formation of massive stars? I will review recent evidence for the presence of collimated jets and accretion disks in association with forming massive stars. The jets in massive protostars have large velocities that could produce a synchrotron component and I discuss the evidence for the presence of this non-thermal process in the jet associated with the HH 80-81 system.

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