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Investigation of the UV Radiation Process in NGC 2023
Published online by Cambridge University Press: 26 May 2016
We observed the H2 absorption lines in the far-UV band toward HD 37903, which is the central star of the reflection nebula NGC 2023, and ran the radiative-collisional equilibrium program CLOUDY to simulate the UV radiation process of NGC 2023. The input parameters are chosen to generate the same ionization and excitation distribution of atoms and molecules as observed, so that we can create a physical model for NGC 2023.
- Part 2. Origin
- Symposium - International Astronomical Union , Volume 217: Recycling Intergalactic and Interslettar Matter , 2004 , pp. 204 - 205
- Copyright © Astronomical Society of the Pacific 2004