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Table 2

Derived dust mass limits assuming different dust temperatures Td, a dust mass absorption coefficient κ125 = 1.875 m2 kg-1, and a dust emissivity index βIR = 1.5.

Source Md(Td = 25) Md(Td = 35) Md(Td = 45)
107 M 107 M 107 M

A1703-zD1 < 51.46 /μ < 14.95 /μ < 7.41 /μ
z8-GND-5296 < 49.88 < 13.59 < 6.53
IOK-1 < 6.87 < 1.96 < 0.96
HCM6A < 45.00 /μ < 13.26 /μ < 6.60 /μ
Himiko < 4.72 < 1.36 < 0.67

Notes. All limits are 3σ upper limits and are not corrected for lensing. For A1703-zD1 and HCM6A the true dust mass limits are therefore lower by a factor μ = 9. and 4.5, respectively.

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