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Fig. 3

image

Left panels: photometric errors as a function of magnitudes and relative exponential fit (continuous line) for nonsaturated sources detected by the VISTA Orion Survey tile No. 12 in the ZYJHKS filters. Right panels: number of detection as a function of magnitude. The line shows the linear fit to the logarithmic number distribution of magnitudes, which is used to find the turning point of the distribution, indicating our completeness limit.

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