Table 6
Physical parameters derived from the energy conserving models, where AV is fixed, obtained from the observed ratio of LIR over LUV as discussed in Schaerer et al. (2013).
| ID | z | A V | Age [Gyr] | t/τ | M⋆ [1010 M⊙] | SFRBC[M⊙ yr-1] |
|
|
||||||
| A68/C0 | 1.5864 | 1.1 | 1.01(0.25−1.7) | 2.03 (0.67−3.64) | 3.4(2.3−4.5) | 15.5(8.8−21.2) |
| A68/h7 | 2.15 | 1.26 | 0.25 (0.18−0.25) | 3.63 (3.61−3.63) | 26.1 (19.6−27.7) | 129.2 (123.5−134.9) |
| A68/HLS115 | 1.5869 | 1.58 | 0.13 (0.09−0.13) | 1.83 (1.81−2.5) | 1.37 (1.03−1.65) | 42.45(32.3−46.9) |
| A68/nn4∗ | 3.19 | 2.17 | 0.033 (0.033−0.036) | 0.66 (0.66−0.72) | 5.6(5.2−6.0) | 1243 (1176−1314) |
| MACS0451 | 2.013 | 0.71 | 0.13 (0.13−0.13) | 0.43 (0.18−0.43) | 0.43 (0.40−0.43) | 31.6(31.2−32.6) |
| cB58 | 2.73 | 0.7 | 0.13 (0.13−0.13) | 0.13(0−0.43) | 0.75 (0.71−0.81) | 63.2(58.3−67.3) |
| Cosmic Eye | 3.07 | 0.58 | 0.18 (0.18−0.18) | 2.58 (2.58−2.58) | 4.0(3.9−4.1) | 56.1(55.2−57.2) |
Notes. All models shown here use Calzetti’s extinction law and nebular emission, except for A68/nn4 whose extreme attenuation makes it lie outside the LIR/LUV range where the Schaerer et al. (2013) relation was calibrated. Applying the SMC law instead works very well for this source. t/τ is the ratio of the age of the population over the characteristic e-folding timescale. Zeros indicate an infinite timescale, meaning that the preferred solution in this case is the constant star-forming rate. The results listed for MACS0451 are obtained as prescribed in Sect. 5.3.
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