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    The Intricate Structure of HH 508, the Brightest Microjet in the Orion Nebula

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    Wu_2018_ApJ_854_144.pdf
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    Author
    Wu, Ya-Lin cc
    Close, Laird M. cc
    Kim, Jinyoung Serena cc
    Males, Jared R. cc
    Morzinski, Katie M. cc
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2018-02-21
    Keywords
    H II regions
    ISM: individual objects (Orion Nebula, HH 508, LV 1)
    protoplanetary disks
    stars: formation
    
    Metadata
    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    The Intricate Structure of HH 508, the Brightest Microjet in the Orion Nebula 2018, 854 (2):144 The Astrophysical Journal
    Journal
    The Astrophysical Journal
    Rights
    © 2018. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    We present Magellan adaptive optics Ha imaging of HH 508, which has the highest surface brightness among protostellar jets in the Orion Nebula. We find that HH 508 actually has a shorter component to the west, and a longer and knotty component to the east. The east component has a kink at 0.'' 3 from the jet-driving star theta(1) Ori B-2, so it may have been deflected by the wind/radiation from the nearby theta(1) Ori B1B5. The origin of both components is unclear, but if each of them is a separate jet, then theta(1) Ori B-2 may be a tight binary. Alternatively, HH 508 may be a slow-moving outflow, and each component represents an illuminated cavity wall. The ionization front surrounding theta(1) Ori B2B3 does not directly face theta(1) Ori B1B5, suggesting that the EUV radiation from theta(1) Ori C plays a dominant role in affecting the morphology of proplyds even in the vicinity of theta(1) Ori B1B5. Finally, we report an Ha blob that might be ejected by the binary proplyd LV 1.
    ISSN
    1538-4357
    DOI
    10.3847/1538-4357/aaa96b
    Version
    Final published version
    Sponsors
    National Science Foundation [1506818]; NSF AAG [1615408]; NSF AAG; TRIF; NASA Exoplanets Research Program (XRP) [NNX16AD44G]
    Additional Links
    http://stacks.iop.org/0004-637X/854/i=2/a=144?key=crossref.936f0a6c6b207541c5a9d90d935fafa9
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-4357/aaa96b
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    UA Faculty Publications

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