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) | 1013 M⊙ | M500 from eRASS1 scaling relation | 12.28 |
| M500_eRASS1_SCAL_MIN (34) | 1013 M⊙ | Upper bound (1σ) of M500 eRASS1 scaling relation | 6.16 |
| M500_eRASS1_SCAL_MAX (34) | 1013 M⊙ | Lower bound (1σ) of M500 eRASS1 scaling relation | 25.71 |
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