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Table 13

Median X-ray luminosity and disk fraction for sub-samples of Collinder 69 representing different mass ranges.

X-ray detections X-ray upper Limits
Mass range N II N III,D N III,DL Disk fract.  ⟨ Lx ⟩      N II N III,D N III,DL Disk fract.
 [M⊙]  [%] [erg/s] [%]
0.3 − 0.5 1 11 16 11.1 29.6 3 0 2 21.7
0.5 − 0.9 2 1 18 14.3 30.0 0 0 0 14.3
0.9 − 1.2 0 0 4 0.0 30.6 0 0 4 0.0
1.2 − 1.5 0 0 2 0.0 30.2 0 1 1 25.0

Notes. “NII”, “NIII,   D” and “NIII,   DL” are the number of Class II and  III – with thin/transition disks, or diskless – sources for the disk fraction.

1

Including C69-X-e041, with no IRAC data (unknown II/III, but clear excess at 24 micron).

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