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Table 1

Measured [C ii] 158 μm and other key properties of the strongly lensed arc in MACS J0451+0006.

Quantity Value

z 2.013
νCII 630.743 ± 0.015 GHz
SCIIb 37.7 ± 3.8 Jy km s-1
L[CII] × μ (5.94 ± 0.6) × 109 L
L[CII]b (1.21 ± 0.12) × 108 L
LIRc (1.1−1.3) × 1011 L
LFIRd (0.5−0.9) × 1011 L
LCOe (5.1 ± 1.5) × 104 L

Notes. The intrinsic luminosities are determined adopting the magnification factor μ = 49 from the updated lens model of Richard et al. (2011).


Hα redshift from Richard et al. (2011).


Formal error, excluding ~25% systematic uncertainty from flux calibration.


IR luminosity of the S of the arc (cf. Sklias et al. 2014).


Range of LFIR characterizing uncertainty in spatial separation of N and S arc.

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