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Table 2

X-ray fitting results for combined spectra. Emission-measure units are only relative.

Group No. Total NH k T1 E M1 k T2 E M2 k T3 E M3 Conv.
src. counts (1022 cm-2) (keV) (keV) (keV) fact.

OB 18 2702 3.31E-01 0.343 4.61E-01 0.989 1.54E-01 3.37 6.85E-02 2.50
AF 86 5305 5.41E-01 0.354 5.42E-01 1.08 4.57E-01 2.69 2.16E-01 2.62
PMS-bright 345 27 666 4.25E-01 0.432 1.03E+00 1.04 1.69E+00 2.49 1.49E+00 1.95
PMS-faint 428 14 004 2.64E-01 1.06 5.72E-01 2.73 8.65E-01 2.73 3.03E-02 1.46
Field-MS 75 1455 1.13E+00 0.2 6.03E+00 3.09 2.10E-01 ... ... 26.4
Foreground 15 719 0.33E+00 0.785 4.09E-02 3.32 4.66E-02 ... ... 1.83
Unident.-soft 226 4796 3.80E-01 0.2 3.96E-01 0.992 2.65E-01 2.08 2.96E-01 2.01
IR-excess 21 1082 7.68E-01 0.2 2.08E+00 1.78 1.23E-01 15.0 1.22E-02 12.9
Hα 54 2419 6.79E-01 0.2 2.20E+00 0.343 7.84E-02 1.55 3.24E-01 7.08

Group No. Total N H1 k T 1 E M 1 N H2 k T 2 E M 2 Conv.
src. counts (1022 cm-2) (keV) (1022 cm-2) (keV) fact.

Unident.-hard 100 1901 4.76 1.35 3.61E-02 3.93 6.34 4.42E-01 ... 4.61

Notes. Conversion factors have units of 10-11 erg cm-2 count-1.

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