2021
DOI: 10.3847/2041-8213/abda38
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First Detection of Interaction between a Magnetic Disk Wind and an Episodic Jet in a Protostellar System

Abstract: Rotating outflows from protostellar disks might trace extended magnetohydrodynamic (MHD) disk winds (DWs), providing a solution to the angular momentum problem in disk accretion for star formation. In the jet system HH 212, a rotating outflow was detected in SO around an episodic jet detected in SiO. Here we spatially resolve this SO outflow into three components: a collimated jet aligned with the SiO jet, the wide-angle disk outflow, and an evacuated cavity in between created by a large jet-driven bow shock. … Show more

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Cited by 30 publications
(37 citation statements)
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“…gas tracing the interaction of the wind with the jet (Tabone et al 2018), also seen in DG Tau B and HH212 (de Valon et al 2020;Lee et al 2021). This perturbation of the wind by a fast jet might bias the determination of the angular momentum extracted by the wind or the launching region.…”
Section: Observational Constraints Of Mhd Disc Windsmentioning
confidence: 96%
“…gas tracing the interaction of the wind with the jet (Tabone et al 2018), also seen in DG Tau B and HH212 (de Valon et al 2020;Lee et al 2021). This perturbation of the wind by a fast jet might bias the determination of the angular momentum extracted by the wind or the launching region.…”
Section: Observational Constraints Of Mhd Disc Windsmentioning
confidence: 96%
“…Such features in outflows have been reported, for instance, for the Source I in Orion Kleinmann-Low (Hirota et al 2017), L483 , NGC 1333 IRAS 4C (Zhang et al 2018), andHH 212 (Tabone et al 2020;Lee et al 2021). They are interpreted as the rotating motion of the outflows, where the outflow blows nearly perpendicular to the line of sight.…”
Section: Rotating Motion Of the Outflowmentioning
confidence: 65%
“…Morphologically speaking, the SO emission seems to trace the outflow, or its cavity wall instead, although it may also trace the surface of a flared envelope gas. In fact, the SO emission has been reported to trace a disk wind in another protostellar system (HH 212; Tabone et al 2017;Lee et al 2021).…”
Section: Rotating Motion Of the Outflowmentioning
confidence: 99%
“…The base velocity of the ejected particles corresponds to the Keplerian velocity at twice the stellar radius (ii). To produce a two component outflow, combining a low-velocity, wide-angle wind (Louvet et al 2018;Zhang et al 2019;Pascucci et al 2020;Lee et al 2021) and a high-velocity jet, we modulate the base velocity with the angular distribution function derived by Matzner & McKee (1999) (see Appendix B for more details). Additionally, we add a rotational velocity component (Eq.…”
Section: Feedback Modelsmentioning
confidence: 99%