Research Article

Galaxy Evolution in a Pilot Survey up to and CDM Halos

Table 4

Stellar population properties of normalized average full sample (absorption + emission), absorption (abs), emission (em) spectra in each redshift bin. The magnitude cutoff is at , except for the 10 faintest absorption systems at where we used all the observed objects.

log(Age): 88–8.7 8.7–9 9–9.4 9.4

abs 0.0% 0.0% 30.1% 0.1% 69.8%
abs (10 brightest) 0 0 17.4 0 82.4
abs (10 faintest) 0 0 12.0 66.4 21.7
em 16.0 44.1 12.8 1.5 25.7
abs 0.0 0.7 11.7 6.9 80.7
em 28.3 14.2 16.5 36.8 4.2
abs 0.0 0.0 18.2 38.5 43.3
em 33.1 0.3 65.1 1.4 0.0
abs 0.0 0.0 86.8 3.3 9.8
em 21.9 37.1 26.9 0.1 14.1
abs 0.0 0.0 42.3 0.0 57.7
em 53.9 9.6 22.7 13.8 0.0