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Twelfth Annual
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2017 Archive
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A study of molecular emission line profiles in Galactic mid-infrared bubbles to trace cloud structures

Author(s): Johanna Mori

Presentation: oral

Discovering how stars begin to form is integral to understanding how our universe, galaxy, and solar system formed. This research focuses on four mid-infrared galactic bubbles, observed with the Q-Band of the Green Bank Telescope. The kinematics and chemistry of molecular clouds may identify star-forming regions where bubbles are intersecting infrared dark clouds (IRDCs). In addition to our targeted observations, un-aimed beam was collected towards the bubbles. Data from this beam will be compared with coincident structures visible in the Spitzer Space Telescope 8 μm infrared data. Line profiles will be used to infer cloud motion and possible infall sites, and tentative results show internal cloud structure, especially in N65.

 

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