Diffuse continuum transfer in HII regions
Abstract
We compare the accuracy of various methods for determining the transfer of the diffuse Lyman continuum in HII regions by comparing them with a high-resolution discrete-ordinate integration. We use these results to suggest how, in multidimensional dynamical simulations, the diffuse field may be treated with acceptable accuracy without requiring detailed transport solutions.
The angular distribution of the diffuse field derived from the numerical integration provides insight into the likely effects of the diffuse field for various material distributions.- Publication:
-
Monthly Notices of the Royal Astronomical Society
- Pub Date:
- November 2009
- DOI:
- 10.1111/j.1365-2966.2009.15447.x
- arXiv:
- arXiv:0910.0878
- Bibcode:
- 2009MNRAS.400..263W
- Keywords:
-
- radiative transfer;
- HII regions;
- ISM: kinematics and dynamics;
- Astrophysics - Galaxy Astrophysics;
- Astrophysics - Cosmology and Extragalactic Astrophysics;
- Astrophysics - Solar and Stellar Astrophysics
- E-Print:
- 12 pages, 7 figures, to be published in MNRAS