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This article has an erratum: [https://doi.org/10.1051/0004-6361/201834565e]


Table A.1.

Catalogue of other He IIλ1640 emitters.

Survey name Field Instrument Δλ (Å) Resolution Quality flag NHe IIλ1640 coverage NHe IIλ1640 tentative
GOODS FORS2 GOODS FORS2 6000–10 000 100 A, B, C 131 3
GOODS VIMOS GOODS VIMOS 4000–10 000 180/580 A, B 854 5
VANDELS CDFS VIMOS 4800–10 000 580 zflg> 1 285 2
VANDELS UDS VIMOS 4800–10 000 580 zflg> 1 293 6
VIPERS W1 VIMOS 4800–10 000 220 zflg-10≥2 24 0
VIPERS W4 VIMOS 4800–10 000 220 zflg-10≥2 26 0
VUDS CDFS VIMOS 3600–9350 230/580 zflg> 2 122 0
VUDS COSMOS VIMOS 3600–9350 230 zflg> 2 132 3
ZCOSMOS BRIGHT COSMOS VIMOS 5550–9450 600 None 48 2

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