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Laboratory Experiments of Stellar Jets from the Perspective of an Observer

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Abstract

It has been two decades since astronomers first discovered that accretion disks around young stars drive highly collimated supersonic jets. Thanks to concerted efforts to understand emission line ratios from jets, we know that velocity variations dominate the heating within these flows, and motions in stellar jets, now observed in real time, are primarily radial. The fluid dynamics of the cooling zones can be complex, with interacting shocks, clumps, and instabilities that could benefit from insights into the physics that only experiments can provide. Recent laboratory experiments have reproduced jets with velocities and Mach numbers similar to those within stellar jets, and the field seems poised to make significant advances by connecting observations and theories with experiments. This article points out several aspects of stellar jets that might be clarified by such experiments.

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  1. Department of Physics and Astronomy, Rice University, Houston, Texas, USA

    Patrick Hartigan

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  1. Patrick Hartigan
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Correspondence to Patrick Hartigan.

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Hartigan, P. Laboratory Experiments of Stellar Jets from the Perspective of an Observer. Astrophys Space Sci 298, 99–105 (2005). https://doi.org/10.1007/s10509-005-3918-0

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  • DOI: https://doi.org/10.1007/s10509-005-3918-0

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