Summary of the dust composition constraints.
|Dust species||KIC 1255b||KOI-2700b|
|Iron (Fe)||too volatile||dust temperature too high|
|Silicon monoxide (SiO)||too volatile||required grain size implausibly large|
|Cryst. fayalite (Fe2SiO4)||too volatile||consistent with observed tail length|
|Cryst. enstatite (MgSiO3)||required grain size implausibly large||too refractory|
|Cryst. forsterite (Mg2SiO4)||required grain size implausibly large||too refractory|
|Quartz (SiO2)||required grain size implausibly large||too refractory|
|Corundum (Al2O3)||consistent with observed tail length||consistent with observed tail length|
|Silicon carbide (SiC)||too refractory||too refractory|
|Graphite (C)||too refractory||too refractory|
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