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Table 3
Positions, photometry, and probabilities of being a high-z quasar and spectroscopic informations of the spectroscopically observed quasar candidates.
| Field, RA and Dec (J2000.0) | Y (mag) | z-Y | Y-J | Pq | Telescope/instrument | Grism |
|---|---|---|---|---|---|---|
| W1 02:06:24.64 −07:03:50.73 | 22.91 ± 0.56 | 1.87 ± 0.74 | −0.16 ± 0.63 | 2.4 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:07:25.13 −05:29:25.00 | 22.74 ± 0.40 | 2.55 ± 0.75 | −0.31 ± 0.50 | 2.3 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:31:08.79 −05:01:12.80 | 22.15 ± 0.28 | 2.14 ± 0.44 | −0.11 ± 0.31 | 1.2 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:06:50.85 −10:09:33.47 | 22.12 ± 0.34 | 3.04 ± 0.44 | 0.18 ± 0.46 | 3.7 × 10−3 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:34:05.68 −06:21:09.76 | 22.78 ± 0.46 | 2.01 ± 0.50 | 0.36 ± 0.50 | 4.7 × 10−3 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:25:59.13 −10:34:50.71 | 22.45 ± 0.32 | 2.64 ± 0.39 | −0.49 ± 0.45 | 2.3 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:09:47.18 −08:23:52.10 | 22.48 ± 0.34 | >1.51 | 0.33 ± 0.47 | 2.7 × 10−3 | NTT/SOFI | GB Grism Blue |
| W1 02:26:56.80 −04:24:06.88 | 22.20 ± 0.24 | 2.29 ± 0.34 | <−0.40 | 7.1 × 10−1 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:07:57.65 −08:04:26.00 | 22.67 ± 0.38 | 2.08 ± 0.60 | <0.13 | 5.6 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W1 02:17:29.38 −05:01:31.49 | 22.81 ± 0.41 | >1.15 | −0.01 ± 0.66 | 1.9 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W2 09:04:32.26 −05:31:56.26 | 22.38 ± 0.27 | 1.64 ± 0.35 | −0.45 ± 0.39 | 3.0 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W2 09:04:53.35 −03:15:22.06 | 22.77 ± 0.36 | 2.16 ± 0.49 | −0.11 ± 0.45 | 2.1 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W2 09:04:22.51 −04:34:09.71 | 21.84 ± 0.19 | >2.52 | 0.32 ± 0.23 | 8.4 × 10−3 | NTT/SOFI | GB Grism Blue |
| W4 22:17:59.64 00:55:02.12 | 22.85 ± 0.46 | 1.79 ± 0.62 | −0.02 ± 0.49 | 3.9 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W4 22:02:41.32 01:34:31.95 | 22.44 ± 0.25 | 1.55 ± 0.34 | −0.26 ± 0.33 | 3.2 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W4 22:04:12.48 02:01:23.22 | 22.61 ± 0.39 | 2.59 ± 0.59 | −0.35 ± 0.43 | 2.7 × 10−2 | VLT/FORS2 | GRIS_600z + 23 |
| W4 22:10:33.26 +02:20:24.89 | 22.38 ± 0.27 | >1.43 | <−0.54 | 8.6 × 10−2 | NTT/SOFI | GB Grism Blue |
Notes. No quasar was confirmed after these spectroscopic observations. The detailed analysis of the spectroscopic results will be reported in a future paper.
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