Table 4
Summary of measured overdensities.
| Field | ρ | ρ d | δ | σ δ |
| (1) | (2) | (3) | (4) | (5) |
|
|
||||
| J1030 | 16 | 13 | 2.0 | 3.3 |
| J1148 | 10 | 8 | 0.9 | 1.9 |
| J1048 | 9 | 7 | 0.6 | 1.7 |
| J1411 | 12 | 10 | 1.3 | 2.5 |
Notes. (1) QSO field. (2) Number of observed dropouts defined as
objects with zTOT < 25, rAP >
27.2, i − z > 1.4. (3) Same as
Col. 2, but corrected for the contamination from bluer objects caused by photometric
errors (see text for details): these are the numbers adopted to compute the
overdensities and their significance, shown in Cols. 4 and 5, respectively. (4)
Overdensity 
, where
, as estimated from the
SXDS. (5) Significance of the measured overdensities (expressed in
Gaussian-equivalent probabilities; see text for details).
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