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Table 3:

Summary of the spectral appearance of the detected targets.

Object
SEDa Enstatiteb Forsteriteb

MBM 12-1
Photosphere - -
MBM 12-2 Full - 19, 27.8, 33 $\mu $m
MBM 12-3 TO candidate 9.3: 11.3:, 19:, 27.8, 33 $\mu $m
MBM 12-4 Full - 11.3:, 19:, 27.8, 33 $\mu $m
MBM 12-5 Full - 19, 27.8, 33 $\mu $m
MBM 12-6 TO candidate 9.3 $\mu $m 27.8, 33 $\mu $m
MBM 12-10 TO candidate 9.3 $\mu $m 23.4, 27.8 $\mu $m
MBM 12-12 Full 9.3 $\mu $m 11.3, 19, 27.8, 33 $\mu $m
a We distinguish between a ``full'' and a ``transitional'' disc, based on the presence or absence of excess emission at wavelengths shorter than 8 micron, and write ``transitional object (TO) candidate'' when this classification needs to be confirmed by additional photometry.
b We list the wavelengths at which features of enstatite and forsterite are present. Colons indicate uncertain detections.


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