Effects of photon escape on diagnostic diagrams for H regions

  title={Effects of photon escape on diagnostic diagrams for H regions},
  author={Corrado Giammanco and John E. Beckman and B. Cedr{\'e}s}
In this article we first outline the mounting evidence that a significant fraction of the ionizing photons emitted by OB stars within H  regions escape from their immediate surroundings, i.e from what is normally defined as the H  region, and explain how an H  region structure containing high density contrast inhomogeneities facilitates this escape. Next we describe sets of models containing inhomogeneities which are used to predict tracks in the commonly used diagnostic diagrams (based… CONTINUE READING
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HAZY, A Brief Introduction to CLOUDY (Univ

  • M. G. Edmunds
  • 1991

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