| name | value | unit | description |
| arcSecPerPixel | 0.39598 | arcsec/pix | Linear size of the photographic pixels. |
| arcSecPerPixelErr | 0.0003 | arcsec | Variation in size of the photographic pixels. |
| bPrime_g | | maggies | asinh softening parameter in g band. |
| bPrime_i | | maggies | asinh softening parameter in i band. |
| bPrime_r | | maggies | asinh softening parameter in r band. |
| bPrime_u | | maggies | asinh softening parameter in u band. |
| bPrime_z | | maggies | asinh softening parameter in z band. |
| brickLength | 2 | deg | Length of imaging bricks |
| ccdColSep | 0.418333 | deg | CCD column separation |
| chipPixelX | 2048 | pix | X dimension of CCD chips |
| chipPixelY | 2048 | pix | Y dimension of CCD chips |
| effectiveLambda_g | 4760 | Angstroem | Center wavelength of the g' filter |
| effectiveLambda_i | 7690 | Angstroem | Center wavelength of the i' filter |
| effectiveLambda_r | 6280 | Angstroem | Center wavelength of the r' filter |
| effectiveLambda_u | 3540 | Angstroem | Center wavelength of the u' filter |
| effectiveLambda_z | 9250 | Angstroem | Center wavelength of the z' filter |
| etaMax | 55 | deg | Survey latitude maximum |
| etaMin | -57.5 | deg | Survey latitude minimum |
| fieldOfView | 3 | deg | Telescope field of view |
| lambdaMax | 65 | deg | Survey longitude maximum |
| lambdaMin | -65 | deg | Survey longitude minimum |
| limitingMagnitudes_g | 23.3 | magnitudes | Limiting magnitude in the g' filter |
| limitingMagnitudes_i | 22.3 | magnitudes | Limiting magnitude in the i' filter |
| limitingMagnitudes_r | 23.1 | magnitudes | Limiting magnitude in the r' filter |
| limitingMagnitudes_u | 22.3 | magnitudes | Limiting magnitude in the u' filter |
| limitingMagnitudes_z | 20.8 | magnitudes | Limiting magnitude in the z' filter |
| nChipsPerFilter | 6 | | Number of CCDs per Filter |
| nFilters | 5 | | Number of filters, their names are u', g', r', i', z' |
| northMajor | 65 | deg | Major axis radius north area |
| northMinor | 55 | deg | Minor axis radius north area |
| northPA | 20 | deg | Position angle of north area |
| refBand | 2 | | The filter used as the astrometric reference is r' |
| resolution | 2000 | | Resolution of the spectrograph |
| scanSeparation | 0.209774 | deg | The separation between the N and S scanlines |
| siteAltitude | 2797 | m | Altitude above sea level |
| siteLatitude | 32.779756 | deg | Site Geodetic NORTH latitude |
| siteLongitude | 105.819831 | deg | Site geodesic WEST longitude |
| specLowerLimit | 3900 | angstrom | Lower wavelength limit of the spectrograph |
| specPerPlate | 640 | | Number of spectra observed on a single plate |
| specUpperLimit | 9200 | angstrom | Upper wavelength limit of the spectrograph |
| stripeSeparation | 2.5 | deg | The separation of stripes |
| stripeWidth | 2.5 | deg | The width of stripes |
| surveyCenterDec | 32.5 | deg | Dec of survey center |
| surveyCenterRa | 185 | deg | RA of survey center |
| surveyEquinox | 2000 | y | Survey equinox |
| telescopeSize | 2.5 | m | Size of the telescope primary mirror |
| tileRadius | 1.49 | deg | The tile diameter for spectroscopic observations |