1. WFAU Tapes === Store 6 x dual PCs 3GHz Xeons 6 x 1 Tbyte local disks 2 Tbyte ingest buffer 10 Tbytes of raw 20 Tbytes of processed WFCAM archive storage 10 Mbytes/s G-bit network Data Processing at CASU ESO

2. Processing summary 25 Tbytes raw data + 50 Tbytes processed = 2 million 2kx2k images

5. Processing steps prepare - ingest, check, MEF, check, index, select, preview, process linearise - dome sequences, non-linearity < 1% dedark - combine darks, illumination-dependent reset anomaly flatfield - weekly/monthly twilight flats, stable, internal gain corr curtain - +/-5 ADUs, ~ 4-quadrant symmetry, bilinear removal skysub - group master skys by time and MSB if possible combine - interleaves, compute shifts and stack dithers catalog - detect and parameterise objects classify - morphological classification astrom - astrometric calibration per detector photom - photometric calibration per pointing check - examine QC, reject bad products, random inspection

6. Quality Control parameters sky, images, astrometric, photometric

7. Astrometric Calibration from 2MASS STDCRMS NUMBRMS per detector Tabulated systematics from stacked residuals

8. Photometric calibration based on 2MASS and derived colour equations 2MASS s:n> 10 in J,H,Ks and 0 < J-Ks < 1 typically between 100-1000 “standards” per pointing required to be stellar on WFCAM and unsaturated MAGZPT, MAGZRR, NUMZPT per pointing NIGHTZPT, NIGHTZRR per night external comparison with UKIRT FS

9. 20050902 Nightly photometric zeropoints

12. ZYJHKZYJHK Galactic Latitude Galactic Extinction

13. 2MASS - WFCAM non-linearity and Dome flat sequences

14. Panoramic survey of M33