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The near-UV: the true window on jet rotation

Journal
Date Issued
2017
Author(s)
Coffey, D.
•
•
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Erkal, J.
Abstract
High resolution observations of jet rotation in newly forming stars have the potential to support theories of magneto-centrifugal jet launching. We report a detection of a radial velocity difference across the blue-shifted jet from RY Tau, the direction of which matches the CO disk rotation sense. Now, in 3 of 3 cases, the sense of the near-UV jet gradient matches the disk rotation sense, implying that we are indeed observing jet rotation. It seems the jet core, probed at near-UV wavelengths, is protected by the outer jet layers from kinematic contaminations, and thus represents the only true window on jet rotation.
Volume
88
Start page
775
Uri
Url
Issn Identifier
0037-8720
Ads BibCode
2017MmSAI..88..775C
Rights
open.access
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