Table 1
Spectroscopic sample selection criteria and redshift determination statistics.
Selection criteriaa | Targets actually observed | zspec ≥ 0 | zspec > 1.4 | ||||||||||||
ID | Pb | Prioc | M(AB)d | zphot | other | # | Tote | Redf | Bluef | P73g | P74g | q = 1h | q = 0h | q = 1h | q = 0h |
|
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S2 | P73 | B1 | B < 26.0 | 1.4 < z < 2.5 | z − K < 2.3 | 122 | 103 | 31 | 91 | 39 | 71 | 95 | 4 | 90 | 4 |
S5b | P73 | B2 | B < 26.0 | z > 2.5 | 5 | 5 | 1 | 5 | 5 | 2 | 5 | 0 | 5 | 0 | |
S1 | P73 | R1 | I < 26.0 | 1.4 < z < 2.5 | z − K > 2.3 | 30 | 24 | 23 | 2 | 17 | 12 | 12 | 4 | 12 | 3 |
S5 | P73 | R2 | I < 26.0 | z > 2.5 | 23 | 15 | 10 | 7 | 5 | 12 | 7 | 3 | 6 | 3 | |
S6 | P73 | R3 | I < 26.0 | 1.4 < z < 2.5 | 1.8 < z − K < 2.3 | 22 | 15 | 13 | 4 | 6 | 11 | 9 | 2 | 9 | 2 |
S7 | P73 | R4 | I < 26.0 | 1.4 < z < 2.5 | 1.6 < z − K < 1.8 | 18 | 15 | 8 | 9 | 9 | 8 | 10 | 3 | 10 | 3 |
S8 | P73 | R5 | I < 26.0 | 1.4 < z < 2.5 | 1.4 < z − K < 1.6 | 24 | 17 | 7 | 12 | 7 | 14 | 13 | 0 | 12 | 0 |
P73 | Total unique targets in P73 samples (S2-S8) | 202 | 86 | 61 | 34 | 44 | 57 | 51 | 12 | 49 | 11 | ||||
|
|||||||||||||||
S21 | P74 | B1 | B < 26.5 | z > 1.4 | I > 26.0 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
S22 | P74 | B2 | B < 26.5 | z > 1.4 | I < 26.0 | 94 | 71 | 19 | 70 | 1 | 70 | 64 | 2 | 59 | 2 |
S25 | P74 | R1 | I < 26.0 | − | BzKi, z − K > 2.5 | 8 | 8 | 8 | 0 | 0 | 8 | 7 | 1 | 5 | 0 |
S27 | P74 | R2 | I < 26.0 | z > 4.0 | 4 | 4 | 4 | 0 | 0 | 4 | 1 | 2 | 0 | 2 | |
S28 | P74 | R3 | I < 26.0 | z > 1.4 | B < 26.5 | 25 | 12 | 12 | 0 | 0 | 12 | 5 | 3 | 5 | 3 |
S29 | P74 | R4 | I < 26.0 | − | BzKi, 2.2 < z − K < 2.5 | 11 | 9 | 9 | 0 | 0 | 9 | 7 | 0 | 1 | 0 |
S30 | P74 | R5 | I < 26.0 | − | J − K > 3 (Vega) | 3 | 3 | 3 | 0 | 0 | 3 | 0 | 1 | 0 | 1 |
S31 | P74 | R6 | Promising faint targets in P73 masks | 7 | 7 | 7 | 0 | 7 | 6 | 3 | 1 | 3 | 1 | ||
P74 | Total unique targets in P74 samples (S21-S31) | 144 | 114 | 62 | 71 | 8 | 112 | 88 | 10 | 74 | 9 | ||||
|
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P73+P74 | Total unique targets in red or blue sample | 221 | 174 | 92 | 105 | 66 | 125 | 135 | 15 | 120 | 13 | ||||
P73+P74 | Total unique targets in red sample | 135 | 102 | 77 | 34 | 44 | 73 | 64 | 14 | 54 | 12 | ||||
P73+P74 | Total unique targets in blue sample | 140 | 115 | 34 | 103 | 44 | 80 | 104 | 4 | 98 | 4 | ||||
P73+P74 | Total fillers from catalogue | 40 | 17 | 23 | 19 | 21 | 33 | 0 | 5 | 0 | |||||
P73+P74 | Total fillers not in catalogue | 41 | 25 | 16 | 15 | 16 | 26 | 3 | 8 | 2 |
Notes.
Additional criteria valid for all samples are m(4.5) < 23.5, crfl ≤ 2, and no secure known redshift from earlier spectroscopic surveys. For the P74 samples, targets already included in the P73 masks were excluded (except in sample S31). Note that the sample selection criteria are not mutually exclusive, i.e., objects can appear in more than one sample.
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