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Table 2

Summary of the properties of the sources observed with X-shooter.

Source Emission CO NIR Classification
lines bandhead excess

B111 O star
B163 + + mYSO
B164 O star
B215 *a B star?
B243 + + + mYSO
B253 B star
B268 + + + mYSO
B275 + + + mYSO
B289 *a O star?
B311 O star
B331 + + *a mYSO
B337 + + mYSO

Notes.

(a)

NIR excess only longward of 3 μm, not in the X-shooter wavelength range.

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