Table 1
Sample and observations properties.
| Name | z Shen | z fit | D L | r | E(B−V) | Exp time | Airmass | Seeing |
| [Gpc] | [mag] | [s] | [′′] | |||||
|
|
||||||||
| J093147.37+021204.3 | 2.2867 | 2.29708 ± 0.00016 | 19.385 | 18.69 | 0.059 | 1800 | 1.41 | 1.2 |
| J103325.92+012836.3 | 2.1771 | 2.18428 ± 0.00007 | 17.307 | 18.59 | 0.038 | 1800 | 1.46 | 0.8 |
| J105239.38-003707.3 | 2.2569 | 2.26327 ± 0.00009 | 18.073 | 18.31 | 0.049 | 2400 | 1.26 | 1.0 |
| J121911.23-004345.5 | 2.2933 | 2.2976 ± 0.0004 | 18.407 | 17.95 | 0.028 | 2400 | 1.37 | 1.1 |
| J123120.55+072552.6 | 2.3899 | 2.38369 ± 0.00008 | 19.254 | 18.08 | 0.018 | 3000 | 1.26 | 1.0 |
| J124220.07+023257.6 | 2.2239 | 2.22036 ± 0.00006 | 17.656 | 18.16 | 0.024 | 1800 | 1.15 | 1.0 |
Notes. zShen are the redshifts initially used to rest-frame the spectra (Shen et al. 2011), zfit is the redshift we estimate from the central wavelength of the [O iii]λ5007 line for every source, DL is the luminosity distance, r is the SDSS r-band PSF magnitude and E(B−V) the galactic extinction from Schlafly & Finkbeiner (2011). In determining the luminosity distance DL we use the following cosmological parameters: H0 = 70 km s-1 Mpc-1, ΩM = 0.3 and ΩΛ = 0.7.
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