Open Access
Table C.1.
Instrument settings and model assumptions used for generating HST/WFC3/F160W mock observations of EELs. The coordinates are oriented such as north is up and east is right. The orientation angle is east-of-north.
| Observation | |
|---|---|
| Pixel size [arcsec] | 0.08 |
| Exposure time [s] | 4 × 2400 = 9600 |
| Zero-point [mag] | 25.9463 |
| Sky brightness [mag/arcsec2] | 22 |
| Read noise [e−] | 4 |
| PSF (gaussian FWHM) [arcsec] | 0.3 |
| Noise | readout + shot noise |
| Deflector, zd = 0.3 | |
| Singular isothermal ellipsoid (SIE) | |
| Einstein radius, θE [arcsec] | 1.6 |
| Ellipticity, qm | 0.73 |
| Orientation, ϕm | 82.5 |
| Position, (x, y) [arcsec] | (0, 0) |
| External shear | |
| Strength, γext | 0.032 |
| Orientation, ϕext | 144.2 |
| Sérsic (light) | |
| Ellipticity, ql | 0.73 (=qm) |
| Orientation, ϕl | 82.5 (=ϕm) |
| Half-light radius, θeff | 2 |
| Sérsic index, nSersic | 2 |
| Position, (x, y) [arcsec] | (0, 0) |
| Magnitude | 19 |
| Perturbations to the potential | |
| LS: Localized subhalo (SIS) | |
| Einstein radius, θE, halo [arcsec] | 0.07 |
| Position, (x, y) [arcsec] | (1.9, −0.4) |
| PS: Population of subhalos (GRF) | |
Variance,  |
10−3 |
| Slope, βGRF | 4 |
| HM: High-order moments (octupole) | |
| Strength, a4 | 0.06 |
| Orientation, ϕ4 | 82.5 = ϕm |
| Source, zs = 0.7 | |
| Sérsic | |
| Ellipticity, ql | 0.82 |
| Orientation, ϕl | 170.8 |
| Half-light radius, θeff [arcsec] | 0.8 |
| Sérsic index, nSersic | 2 |
| Position (x, y) [arcsec] | (0.4, 0.15) |
| Magnitude | 21 |
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