Table T15. Setup parameters used for the cryogenic magnetometer software, Expedition 309.
| Parameter | Setting |
|---|---|
| SQUID configuration: | |
| SQUID-x response (cm) | 6.071 |
| SQUID-y response (cm) | 6.208 |
| SQUID-z response (cm) | 9.923 |
| SQUID-x calibration (emu) | 8.21E–05 |
| SQUID-y calibration (emu) | –8.34E–05 |
| SQUID-z calibration (emu) | 4.32E–05 |
| SQUID filter data (x, y, and z) (Hz) | 10 |
| SQUID range data (x, y, and z) | 1 × range |
| SQUID slew data (x, y, and z) | Disable fast slew |
| SQUID feedback data (x, y, and z) | Close feedback loop |
| Degausser configuration: | |
| Ramp rate | 3 |
| Tracking timeout (s) | 40 |
| AF field maximum (mT) | 80 |
| AF field minimum (mT) | 2 |
| Coil calibration constant (x, y, and z) | 1 |
| Character delay | 50 |
| Sample handler configuration (right-hand home): | |
| Home switch type | Limit switch |
| Home offset (cm) | 0 |
| Tray offset (cm) | 2.2 |
| Track length (cm) | 599.3 |
| Full tray length (cm) | 160.3 |
| Scale (steps/cm) | 1572 |
| Sample handler positions: | |
| SQUID (cm) | 255.85 |
| Magnetic susceptibility (not applicable) | 0 |
| Degauss stage 1 (cm) | 190 |
| Degauss stage 2 (cm) | 435 |
| IRM stage (not applicable) | 0 |
| IRM coil center | 0 |
| Background stage 1 (cm) | 300 |
| Background stage 2 (cm) | 0 |
| Discrete configuration: | |
| Maximum number of sample positions | 4 |
| Center offset (cm) | 20 |
| Center separation (cm) | 40 |
Note: SQUID = super-conducting quantum interference device, AF = alternating field, IRM = isothermal remanent magnetization.
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