A Symmetric Bipolar Nebula Around MWC 922

@article{Tuthill2007ASB,
  title={A Symmetric Bipolar Nebula Around MWC 922},
  author={P. Tuthill and J. Lloyd},
  journal={Science},
  year={2007},
  volume={316},
  pages={247 - 247}
}
We report regular and symmetric structure around dust-enshrouded Be star MWC 922 obtained with infrared imaging. Biconical lobes that appear nearly square in aspect, forming this “Red Square” nebula, are crossed by a series of rungs that terminate in bright knots or “vortices,” and an equatorial dark band crossing the core delimits twin hyperbolic arcs. The intricate yet cleanly constructed forms that comprise the skeleton of the object argue for minimal perturbation from global turbulent or… Expand
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