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Table 1
Comparison of the four published studies of Lyα radiation transfer through the interstellar medium of galaxies with this study.
| This study | Tasitsiomi (2006) | Laursen et al. (2009) | Barnes et al. (2011) | Yajima et al. (2012a,b) | |
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| Context | Lyα emitting galaxies | Lyα emitting galaxies | Lyα emitting galaxies | DLA-host galaxies | Lyα emitting galaxies |
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| Hydro technics | AMR (RAMSES) | AMR (ART) | SPH (TreeSPH) | SPH (GADGET) | SPH (GADGET) |
| Lyα RT | Lyα + continuum | Lyα, no dust | Lyα | Lyα, no dust | Lyα + continuum |
| AMR | AMR | AMR | cartesian | AMR | |
| Lyα sources | recombination | recombination | recombination | central point source | recombination |
| from young stars | from young stars | + gravitational cooling | + collisional excitation | ||
| + UV background | |||||
| Environment | isolated galaxy | cosmo zoom | cosmo zoom | cosmo zoom | cosmo zoom |
| nb of objects | 2 | 1 | 9 | 3 | ~950 |
| Stellar mass | 1.8 × 109 M⊙ for G1 | ~1010 M⊙ | 6 × 106 to | 1.5 × 1010 M⊙ | 4.3 × 109 M⊙ |
| 4.9 × 108 M⊙ for G2 | 3 × 1010 M⊙ | 1.5 × 1011 M⊙ | 9.3 × 109 M⊙ | ||
| 7.5 × 1011 M⊙ | 4.1 × 1010 M⊙ | ||||
| Stellar mass resolution | 1.4 × 103 M⊙ for G2 | 2 × 104 M⊙ | 106 M⊙ | not available | 1.9 × 104 M⊙ |
| 7.7 × 103 M⊙ for G1 | |||||
| Spatial resolutiona | 18 pc for G2 | 29 pc | 137 pcb | 514 pc | 342 pc |
| 147 pc for G1 | |||||
| Hi temperature | 102 to 105 K | 103 to 104 K | 104 K | 104.3 to 105 K | – |
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