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Updated: Feb 2, 2026

Permeabilization of Adhered Cells Using an Inert Gas Jet
Published on: September 4, 2013
Unveiling a magnetized jet from a low-mass protostar
Chin-Fei Lee1,2, Hsiang-Chih Hwang3,4, Tao-Chung Ching5
1Academia Sinica Institute of Astronomy and Astrophysics, P.O. Box 23-141, Taipei, 106, Taiwan. cflee@asiaa.sinica.edu.tw.
Abstract:
Protostellar jets are one of the most intriguing signposts in star formation. Recent detection of a jet rotation indicates that they can carry away angular momenta from the innermost edges of the disks, allowing the disks to feed the central protostars. In current jet-launching models, magnetic fields are required to launch and collimate the jets, however, observationally, it is still uncertain if magnetic fields are really present in the jets. Here we report a clear detection of SiO line polarization in the HH 211 protostellar jet. Since this line polarization has been attributed to the Goldreich-Kylafis effect in the presence of magnetic field, our observations show convincingly the presence of magnetic field in a jet from a low-mass protostar. The implied magnetic field could be mainly toroidal, as suggested in current jet-launching models, in order to collimate the jet at large distances.
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