A Magnetized Jet from a Massive Protostar

Details A Magnetized Jet from a Massive Protostar A Magnetized Jet from a Massive Protostar

2010-11-29

arxiv.org/abs/1011.6254v1

Science, 2010, 330, 1209

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

First published in Science on Nov 26, 2010 (vol. 330, pp.1209-1212). Includes Supporting Online Material. For original publica

Scientific paper

10.1126/science.1195589

Synchrotron emission is commonly found in relativistic jets from active galactic nuclei (AGNs) and microquasars, but so far its presence in jets from young stellar objects (YSOs) has not been proved. Here, we present evidence of polarized synchrotron emission arising from the jet of a YSO. The apparent magnetic field, with strength of ~0.2 milligauss, is parallel to the jet axis, and the polarization degree increases towards the jet edges, as expected for a confining helical magnetic field configuration. These characteristics are similar to those found in AGN jets, hinting at a common origin of all astrophysical jets.

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