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Table 3

Calculated properties from the best matching models of z ≳ 6 QSOs from our sample.

Objecta SFR Md M Z αb ηg,H2b MH2b
 M yr-1 108 M 1010 M Z 1010 M

J1148+5251(A) 1600 3.1–5.1 3.5 2 0.8–2.3 3.0–1.0 2.16–6.2
J1148+5251(B) 1000 2.4–8.9 5.4 5 0.8–1.55 2.0–1.0 2.10–4.1
J1048+4637(A) 1000 2.4–8.9 5.4 5 0.8–2.8 3.4–1.0 1.2–4.2
J1048+4637(B) 610 3.5 2.8 3.4 0.8–4.5 5.8–1.0 1.2–6.7
J2054-0005 1150 2.7 4.7 4.4 0.8–3.2 3.0–1.0 1.2–4.8
J0840+5624(A) 1500 2.1 11.0 4 0.8–4.6 7.0–1.2 2.5–14.7
J0840+5624(B) 1400 4.8 20.0 5 0.8–4.6 10–1.8 2.5–14.7

Notes. 

(a)

All models are calculated for a top-heavy IMF. Capital letters in brackets (A, B) signify the different models (see corresponding models in Table 4) for the same object.

(b)

The ranges of ηg,H2 and MH2 corresponds to the range of α, which is between the commonly used value of α = 0.8 and the possible upper limit.

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