Table 12: XEST X-ray detection statistics.
Object type Members Detections Detection
  surveyed   fraction
0, 1 Protostars 20 (21) 8 (10) 40% (48%)
2 CTTS 65 (70) 55 (60) 85% (86%)
3 WTTS 50 (52) 49 (50) 98% (96%)
4 BDs 16 (17) 8 (9) 50% (53%)
5 Herbig 2 2 100%
9 others/unident. 6 (7) 4 (5) 67% (71%)
  Total 159 (169) 126 (136) 79% (80%)
Notes:
Numbers in parentheses include Chandra observations. Source
near L1551 IRS5 not considered (non-detection for XEST-22-040)


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