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Orientation of Galactic Bulge Planetary Nebulae toward the Galactic Center

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arxiv 1412.0012 v1 pith:AOVRH6U6 submitted 2014-11-29 astro-ph.GA

Orientation of Galactic Bulge Planetary Nebulae toward the Galactic Center

classification astro-ph.GA
keywords galacticnebulaeplanetarybulgecenterfieldorientationtoward
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have used the Wide Field Spectrograph on the Australian National University 2.3-m telescope to perform the integral field spectroscopy for a sample of the Galactic planetary nebulae. The spatially resolved velocity distributions of the H$\alpha$ emission line were used to determine the kinematic features and nebular orientations. Our findings show that some bulge planetary nebulae toward the Galactic center have a particular orientation.

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