WFCAM filter/focus offsets
Data measured on 20080919 UTC.
Filter | Internal filter offsets (mm) | M2 focus offsets (mm) | Indicated Z position (mm) |
H1 | 0.00 | -3.40 | +0.40 |
Z | -0.27 | -3.75 | +0.12 |
Y | -0.26 | -3.70 | +0.13 |
J | 0.02 | -3.40 | +0.42 |
K | 0.08 | -3.48 | +0.32 |
1-0S1 | -0.10 | -3.54 | +0.31 |
1.619nbH | -0.02 | -3.44 | +0.42 |
Blank | 2.44 | 0.00 | N/A |
1 H band filter is the reference point.
2 Position is approximate as it varies over time with temperature and telescope position.