Matches in SemOpenAlex for { <https://semopenalex.org/work/W3101829863> ?p ?o ?g. }
- W3101829863 endingPage "76" @default.
- W3101829863 startingPage "76" @default.
- W3101829863 abstract "We present a survey of optical [OI] emission at 6300 AA toward 65 TTauri stars at the spectral resolution of $sim7$ km/s. Past work identified a highly blueshifted velocity component (HVC) tracing microjets, and a less blueshifted low-velocity-component (LVC) attributed to winds. We focus here on the LVC kinematics to investigate links between winds, jets, accretion, and disk dispersal. We track the behavior of four types of LVC components: a broad and narrow component (BC and NC) in LVCs that are decomposed into two Gaussians, which typically have an HVC, and the single-Gaussian LVC profiles separated into those that have an HVC (SCJ) and those that do not (SC). LVC centroid velocities and line widths correlate with HVC equivalent width and accretion luminosity, suggesting that LVC/winds and HVC/jets are kinematically linked and connected to accretion. The deprojected HVC velocity correlates with accretion luminosity, showing that faster jets come with higher accretion. BC and NC kinematics correlate and their blueshifts are maximum at $sim 35^{circ}$, suggesting a conical wind geometry with this semi-opening angle. Only SCs include $n_{13-31}$ up to $sim3$ and their properties correlate with this infrared index, showing that [OI] emission recedes to larger radii as the inner dust is depleted, tracing less dense/hot gas and a decrease in wind velocity. All together, these findings support a scenario where optically thick, accreting inner disks launch radially-extended MHD disk winds that feed jets, and where inner disk winds recede to larger radii and jets disappear in concert with dust depletion." @default.
- W3101829863 created "2020-11-23" @default.
- W3101829863 creator A5012735923 @default.
- W3101829863 creator A5053675913 @default.
- W3101829863 creator A5060310147 @default.
- W3101829863 creator A5063164095 @default.
- W3101829863 creator A5083163086 @default.
- W3101829863 creator A5090482272 @default.
- W3101829863 date "2019-01-10" @default.
- W3101829863 modified "2023-10-12" @default.
- W3101829863 title "Kinematic Links and the Coevolution of MHD Winds, Jets, and Inner Disks from a High-resolution Optical [${rm{O}},{rm{I}}$] Survey" @default.
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