Table 3
Ks band observations parameters of the BCGs in the local clusters.
| Name | zp | rmszp | N | Seeing (′′) |
|
|
||||
| A478 | 22.301 | 0.132 | 50 | 0.81 |
| A496 | 22.316 | 0.016 | 30 | 0.63 |
| A2597 | 22.373 | 0.028 | 30 | 0.69 |
| A3526 | 22.417 | 0.154 | 16 | 0.98 |
| A4059 | 22.252 | 0.141 | 23 | 0.81 |
| Hydra-A | 22.269 | 0.057 | 38 | 0.75 |
Notes. The columns are: (1) cluster name; (2) zero point in VEGA magnitudes (to convert from VEGA to AB magnitudes the correction is + 1.86); (3) rms of the zero point for the night of measurement; (4) number of combined frames (each frame has 6 s exposure); and (5) seeing of image in arc seconds.
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