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Table 3
The chemical composition in terms of mass fraction in percent for the best fit model of the Galactic centre feature by Min et al. (2007).
| Silicates | Molecule | Mass fraction (%) |
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| Amorphous olivine | MgFeSiO4 | 13.8 |
| Mg2SiO4 | 38.3 | |
| Amorphous pyroxene | MgSiO3 | 42.9 |
| Amorphous Na/Al pyroxene | NaAlSi2O6 | 1.8 |
| Crystalline olivine (Forsterite) | Mg2SiO4 | 0.6 |
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| Other | ||
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| Crystalline silicon carbide | SiC | 2.6 |
Notes. This model uses a distribution of hollow spheres (DHS) with fmax = 0.7 and an MRN size distribution with index −3.5 between a grain size of 0.005 and 0.25 μm.
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