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Table 1

Sublimation temperatures and relative abundances of the disk dust’s main components.

Elements Sublimation Relative
temperature abundances

Water  ice 160  K 59.46%
Volatile  organics 275  K 5.93%
Refractory  organics 425  K 23.20%
Troilite  (FeS) 680  K 1.57%
Olivine 1500  K 7.46%
Pyroxene 1500  K 2.23%
Iron 1500  K 0.16%

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