Surface densities of V-dropouts vs. magnitude
i range      dN/dm/dOmega(HUDF)    dN/dm/dOmega(GOODS-N)      dN/dm/dOmega(GOODS-S)
24--25                               0.025 +/- 0.013           0.025 +/- 0.013  
25--26                               0.295 +/- 0.066           0.319 +/- 0.07  
26--26.5                             1.091 +/- 0.219           1.006 +/- 0.204  
26.5--26.75                          1.731 +/- 0.361           1.374 +/- 0.297  
26.75--27                            2.083 +/- 0.421           1.202 +/- 0.267  
27--27.5                             2.371 +/- 0.438           1.472 +/- 0.284  
25--26         0.455 +/- 0.217  
26--27         0.727 +/- 0.285  
27--27.5       4.000 +/- 1.091  
27.5--28       4.182 +/- 1.125  
28--28.5       9.091 +/- 2.01  
28.5--29      10.182 +/- 2.202  
29--29.25      9.818 +/- 2.521  
29.25--29.524  4.313 +/- 1.403  

Total surface brightness (HUDF only): 24.8 mag/sq. arcmin at ~1400 A