Euclid Quick Data Release (Q1) - XXII. An investigation of optically faint, red objects in the Euclid Deep Fields

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Table 2.

Total number of objects in the merged Euclid + Spitzer catalogue and the remaining number of objects after each cleaning step, shown for the three fields.

Field	Fornax	North	South
Original sample	5 328 489	11 378 352	13 060 965
Clean sample	2 837 465	5 365 713	6 534 328
HIERO sample	5263	8258	13 385
Final HIERO sample	920	1051	1899

Notes. The clean sample is the result after applying the cuts described in Sect. 3. The HIERO sample is obtained by applying the colour criterion H_E−IRAC2 > 2.25 in the clean sample. Lastly, the final HIERO sample is the result of our visual check (see Sect. 3.2).

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