calibration results by item detector sbc flats Table 1 : SBC flat field summary
| Filter (setup) |
ExpTime [hr:min] |
N | TSBC [C] |
Level [counts] |
FITS images |
GIF images |
Comments |
|---|---|---|---|---|---|---|---|
| F115LPSLP | 11:02 | 12 | 31.05 | 9764 | raw, P-flat | 1x 2x 4x | |
| F115LP (spec- tralon) SLP |
10:02 | 11 | 35.74 | 9034 | raw, P-flat | 1x 2x 4x | Spectralon diffusor instead of MMA, PtNe2 instead of PtNe1. Note three filter wheel offsets used: 0, +1, -1; TSBC not constant |
| F115LP (D2) |
1:30 | 7 | 30.97 | 314 | raw, P-flat | 1x 2x 4x | Internal D2 lamp. Note low exposure level. |
| F115LP (4mm pinhole) |
2:32 | 4 | 30.79 | 531 | raw, P-flat | 1x 2x 4x | Kr1236 lamp + 4mm pinhole "splat" illumination. Meant to test the effect of illumination angle |
| F125LPSLP | 11:02 | 12 | 31.05 | 9975 | raw, P-flat | 1x 2x 4x | |
| F140LP (1st set) SLP |
11:02 | 12 | 32.35 | 9973 | raw, P-flat | 1x 2x 4x | First set of F140LP flats |
| F140LP (2nd set) SLP |
11:00 | 11 | 30.82 | 9880 | raw, P-flat | 1x 2x 4x | Second set of F140LP flats, 4 days later. Note three filter wheel offsets used: 0, +1, -1 |
| F150LPSLP | 10:35 | 12 | 31.05 | 9678 | raw, P-flat | 1x 2x 4x | |
| F150LP (corona- graph) |
12:30 | 150 | 24.94 | 7668 | raw | 1x 2x 4x | Coronographic arm deployed Taken during SBC stability tests |
| F165LP | 10:02 | 11 | 31.40 | 9067 | raw, P-flat | 1x 2x 4x | Dust on filter |
| F122MSLP | 12:04 | 14 | 31.05 | 10592 | raw, P-flat | 1x 2x 4x | |
| PR110LSPR | 9:35 | 11 | 31.05 | 8239 | raw, P-flat | 1x 2x 4x | |
| PR130LSPR | 10:02 | 11 | 31.05 | 8510 | raw, P-flat | 1x 2x 4x |
