Resolving the Inner Arcsecond of the RY Tau Jet with HST

Faint X-ray emission from hot plasma (Tx > 106 K) has been detected extending outward a few arcseconds along the optically delineated jets of some classical T Tauri stars including RY Tau. The mechanism and location where the jets are heated to X-ray temperatures are unknown. We present high spat...

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Veröffentlicht in:	The Astrophysical journal 2018-03, Vol.855 (2), p.143
Hauptverfasser:	Skinner, Stephen L., Schneider, P. Christian, Audard, Marc, Güdel, Manuel
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Centroids Constraint modelling Deceleration Emission Heating Hubble Space Telescope Inclination ISM: jets and outflows Magnetic fields Morphology Radial velocity Space telescopes Spatial resolution stars: individual (RY Tau) stars: mass-loss stars: pre-main sequence T Tauri stars Telescopes ultraviolet: stars X ray telescopes X-ray emissions
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Zusammenfassung:	Faint X-ray emission from hot plasma (Tx > 106 K) has been detected extending outward a few arcseconds along the optically delineated jets of some classical T Tauri stars including RY Tau. The mechanism and location where the jets are heated to X-ray temperatures are unknown. We present high spatial resolution Hubble Space Telescope (HST) far-ultraviolet long-slit observations of RY Tau with the slit aligned along the jet. The primary objective was to search for C iv emission from warm plasma at TC iv ∼ 105 K within the inner jet (
ISSN:	0004-637X 1538-4357
DOI:	10.3847/1538-4357/aaab58