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The Bipolar X-Ray Jet of the Classical T Tauri Star DG Tau

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arxiv 1101.2780 v1 pith:DT6INGSS submitted 2011-01-14 astro-ph.SR astro-ph.HE

M. Guedel , M. Audard , F. Bacciotti , J.S. Bary , K.R. Briggs , S. Cabrit , A. Carmona , C. Codella
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C. Dougados J. Eisloeffel F. Gueth H.M. Guenther G. Herczeg P. Kundurthy S.P. Matt R.L. Mutel T. Ray J.H.M.M. Schmitt P.C. Schneider S.L. Skinner R. van Boekel
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keywords starx-raysourceclassicalduringreporttaurivery
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We report on new X-ray observations of the classical T Tauri star DG Tau. DG Tau drives a collimated bi-polar jet known to be a source of X-ray emission perhaps driven by internal shocks. The rather modest extinction permits study of the jet system to distances very close to the star itself. Our initial results presented here show that the spatially resolved X-ray jet has been moving and fading during the past six years. In contrast, a stationary, very soft source much closer (~ 0.15-0.2") to the star but apparently also related to the jet has brightened during the same period. We report accurate temperatures and absorption column densities toward this source, which is probably associated with the jet base or the jet collimation region.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 2 citations worldwide. Full citation record

  1. Star formation, stellar evolution, and planets in high-resolution X-ray imaging

    astro-ph.IM 2026-07 unverdicted novelty 2.0 of 10

    A white paper arguing that high-resolution X-ray imaging would resolve stellar magnetic activity, CMEs, jets, astrospheres, and planetary-nebula shocks, enabling measurements impossible with current observatories.

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