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Table 4
Condensates identified in AGB dust.
| Condensate | Identification | |
|---|---|---|
| M stars | ||
| Amorphous silicate | IR | Woolf & Ney (1969) |
| Crystalline silicates | ||
| Olivine (Mg(2−2x)Fe2xSiO4) | IR | Waters et al. (1996) |
| Pyroxene (Mg(1−x)FexSiO3) | IR | Waters et al. (1996) |
| Alumina (Al2O3) | IR | Onaka et al. (1989) |
| PM | Nittler et al. (1994) | |
| Hutcheon et al. (1994) | ||
| Mg(1−x)FexO with x=0.9 | IR | Posch et al. (2002) |
| Spinel (MgAl2O4) | IR ? | Posch et al. (1999) |
| PM | Nittler et al. (1997) | |
| Hibonite (CaAl12O19) | PM | Choi et al. (1999) |
| Gehlenite (Ca2Al2SiO7) | IR ? | Heras & Hony (2005) |
| Fe | IR ? | Kemper et al. (2002) |
| C stars | ||
| Amorphous carbon | IR | Martin & Rogers (1987) |
| Graphite | PM | Amari et al. (1990) |
| SiC | IR | Treffers & Cohen (1974) |
| PM | Bernatowicz et al. (1987) | |
| MgS | IR | Goebel & Moseley (1985) |
| TiC | PM | Bernatowicz et al. (1991) |
| S stars | ||
| MgS | IR | Hony et al. (2009) |
| Amorphous silicate | IR ? | Hony et al. (2009) |
| Alumina (Al2O3) | IR ? | Smolders et al. (2012) |
| Diopside (MgCaSi2O6) | IR ? | Hony et al. (2009) |
| Gehlenite (Ca2Al2SiO7) | IR ? | Smolders et al. (2012) |
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