Table 1.
Selected properties of the nine QSO-ELG lens candidate systems.
| Target | RA | Dec | Plate-MJD-Fiber | zQSO | zS | S/Nl | S/Ntot | g | i | MSIS | fOII | fOIII |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SDSS J004136.74−011421.7 | 10.403092 | −1.2393626 | 4222-55444-202 | 0.248 | 0.48 | 7.99 | 11.88 | 21.81 | 21.46 | 2.9 | 7.43 | 02.6 |
| SDSS J005030.65+150134.0 | 12.62773 | 15.026127 | 6203-56266-898 | 0.409 | 0.55 | 14.13 | 16.47 | 20.65 | 19.89 | 8.1 | 3.42 | 13.4 |
| SDSS J014819.57+032424.9 | 27.08158 | 3.4069369 | 4272-55509-81 | 0.634 | 0.94 | 8.33 | 10.12 | 20.27 | 20.10 | 8.7 | 8.94 | 18.4 |
| SDSS J091318.66+604529.8 | 138.32775 | 60.758278 | 5712-56602-581 | 0.468 | 0.84 | 8.36 | 12.05 | 21.20 | 20.01 | 5.2 | 10.61 | 9.7 (1) |
| SDSS J092012.67−022230.4 | 140.05282 | −2.375115 | 3766-55213-95 | 0.657 | 0.77 | 14.77 | 26.12 | 21.68 | 20.02 | 19.6 | 16.53 | 15.7 |
| SDSS J114059.35+000727.3 | 175.24732 | 0.12425373 | 3841-56016-740 | 0.430 | 0.51 | 8.32 | 11.84 | 20.55 | 20.11 | 14.2 | 9.01 | 02.7 |
| SDSS J122905.05+215659.8 | 187.27105 | 21.949952 | 5982-56074-815 | 0.509 | 0.81 | 8.46 | 11.34 | 22.25 | 20.29 | 6.6 | 9.41 | 09.0 |
| SDSS J151020.36+185632.2 | 227.58485 | 18.942295 | 3951-55681-548 | 0.646 | 0.73 | 9.00 | 11.69 | 20.40 | 19.76 | 26.0 | 12.98 | 23.7 |
| SDSS J233443.68+302159.9 | 353.68202 | 30.366664 | 6501-56563-228 | 0.079 | 0.54 | 10.33 | 18.17 | 19.33 | 17.69 | 0.6 | 22.37 | 17.6 |
Notes. Description of the fields: (1) SDSS target name in terms of truncated J2000 RA and Dec in the format HH.MM.SS.ss +DD.MM.SS.s. (2) Right Ascension (RA) in degrees. (3) Declination (Dec) in degrees. (4) Plate-MJD-Fiber of the spectrum. (5) QSO redshift from the BOSS pipeline. (6) Background galaxy redshift inferred from the emission lines detection. (7) S/N of the strongest emission line. (8) Quadrature sum S/N of the emission lines. (9) g-band magnitude. (10) i-band magnitude. (11) Mass (1012 M⊙) enclosed within the maximum detectable Einstein radius θE = 3.6″, assuming a singular isothermal sphere (SIS) model and flat ΛCDM cosmology (Planck Collaboration XIII 2016), giving an approximate upper bound on the lens mass. (12) Apparent flux (continuum subtracted) of the [OII]λ 3727 Å emission line in units of 10−17 erg cm−2 s−1. (13) Apparent flux (continuum subtracted) of [OIII]λ 5007 Å emission line in units of 10−17 erg cm−2 s−1.
SDSS J0148+0324 does not meet the criteria for QSO-ELG selection, but exhibits doubled emission lines, as visible in Fig. 3, probably due to two background galaxies. The flux reported above corresponds to only one emission line.
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