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Table 1

5σ limiting depths using apertures twice the FWHM of the GC profiles for each of the images used to identify the GC candidates of MATLAS-2019.

Instrument Filter Daperture (arcsec) maglimit (mag)
WFC3 F475W 0.216 27.05
WFC3 F606W 0.216 27.10
ACS F814W 0.270 26.50
OSIRIS u 2.20 25.75

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