Open Access

Table 2.

Descriptions of the columns present in the AMICO-KiDS-DR4 galaxy cluster catalog.

Column Unit Description Example
NAME (1) ESO format object name AK4 J000523.41−284831.0
UID (2) Unique identification number 1
TILE (3) Survey tile name KiDS_DR4.0_1.1_-29.2
TID (4) Identification number within a survey tile 10
XPIX (5) pixel pixel (x axis) amp. map with buffer: [0, nx-1] 156
YPIX (6) pixel pixel (y axis) amp. map with buffer: [0, nx-1] 194
ZPIX (7) pixel pixel (z axis) amp. map with buffer: [0, nx-1] 50
RA (8) deg Right ascension of XPIX 1.3475235
DEC (9) deg Declination of YPIX −28.808636
Z (10) Redshift of ZPIX 0.55
ZFIX (11) Calibrated redshift based on GAMA spec-z 0.55
ZFIX_ERR (12) ZFIX RMS around GAMA spectroscopic redshifts 0.030225
SPEC_NGAL (13) Number of members with P > 0.9 and GAMA spec-z −99
SPEC_SUMP (14) Sum of memberships with P > 0.9 and GAMA spec-z −99
SPEC_ZAVE (15) Weighted average with P > 0.9 and GAMA spec-z −99
SPEC_ZMED (16) Median of the GAMA spec-z with P > 0.9 −99
SPEC_RMS (17) RMS of the weighted average spec-z −99
SN (18) S/N: with N = background and cluster contrib. 4.4
SN_NO_CLUSTER (19) S/N: with N = cluster contribution only 15.3
MSKFRC (20) Masked fraction of the detection 0.285
AMP (21) Signal amplitude returned by the filter 1.88
LAMBDA (22) Apparent richness 181.89
LAMBDA_STAR (23) Intrinsic richness 39.35
PZ (24) Probability redshift distribution (0.0126, 0.0017, …, 0.0)
PZ_ODDS (25) ODDS photo-z based on the cluster P(z) 0.65999776
PZ_ZPIX_SIGM (26) ZPIX 16% percentile of the detection P(z) 1.55
PZ_ZPIX_SIGP (27) ZPIX 84% percentile of the detection P(z) 1.26
PZ_Z_SIGP (28) Z 16% percentile of the detection P(z) 0.015
PZ_Z_SIGP (29) Z 84% percentile of the detection P(z) 0.016
TILE_EDGE_DISTANCE (30) arcmin Distance from the border of the survey tile 6.84
TILE_EDGE_FLAG (31) flag: proximity to border of the survey tile 0
ARTIFACTS_FLAG (32) flag: possible issues of photometry in survey tile 0
M500_eRASS1_SCAL (33) 1013M M500 from eRASS1 scaling relation 12.28
M500_eRASS1_SCAL_MIN (34) 1013M Upper bound (1σ) of M500 eRASS1 scaling relation 6.16
M500_eRASS1_SCAL_MAX (34) 1013M Lower bound (1σ) of M500 eRASS1 scaling relation 25.71

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