Three-Dimensional Orientation of Compact High Velocity Clouds

2); (2) Columbia U; 3); (3) STScI); B. Bartell (1); D. Cheng (1); F. Heitsch (1); J.E.G. Peek (2; M. Putman (2) ((1) UNC Chapel Hill; S.E. Clark (1

arxiv: 1606.06689 · v1 · pith:BBYHP3Z5new · submitted 2016-06-21 · 🌌 astro-ph.GA

Three-Dimensional Orientation of Compact High Velocity Clouds

F. Heitsch (1) , B. Bartell (1) , S.E. Clark (1 , 2) , J.E.G. Peek (2 , 3) , D. Cheng (1) , M. Putman (2) ((1) UNC Chapel Hill

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(2) Columbia U (3) STScI)

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keywords anglechvcchvcscloudscompacthighinclinationmethod

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We present a proof-of-concept study of a method to estimate the inclination angle of compact high velocity clouds (CHVCs), i.e. the angle between a CHVC's trajectory and the line-of-sight. The inclination angle is derived from the CHVC's morphology and kinematics. We calibrate the method with numerical simulations, and we apply it to a sample of CHVCs drawn from HIPASS. Implications for CHVC distances are discussed.

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Three-Dimensional Orientation of Compact High Velocity Clouds

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