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Table 4

Derived parameters for our LBG samples.

ID Median z Rest 2–10 keVa Rest 2–10 keV errb SFR SFR errb M M err sSFR sSFR errb
log (W) log (W) M   yr-1 M   yr-1 1010   M 1010   M Gyr-1 Gyr-1

ref-lowZ 0.68 33.20 32.44 3.19 0.55 6.73 1.61 0.04 0.01
BZ-UV 1.33 33.79 32.86 11.62 1.45 3.35 0.67 0.37 0.11
Spec-U1 2.67 34.11 33.45 25.86 5.40 1.16 0.29 2.23 0.21
Spec-U2 3.33 34.17 33.52 29.68 6.63 1.09 0.28 2.71 1.11
Spec-B1 3.70 34.67 34.16 93.86 29.04 1.09 0.21 8.66 2.06
Spec-B2 4.16 34.56 u.l. 72.86 u.l. 1.15 0.31 6.32 u.l.

Notes. For the convenience of the reader, we note that 1 W = 107 erg s-1.

(a)

Assuming a power-law X-ray spectrum with a photon index Γ = 2.0 typical for LBGs (Laird et al. 2006). This factor is adopted throughout the stacking literature, see e.g. Nandra et al. (2002) or Lehmer et al. (2005).

(b)

u.l. indicates upper limit since no actual detection could be made (confidence  <0.95).

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