| name | description |
| Algorithm | Contains a paragraph of text for each algorithm |
| Ap7Mag | Contains the aperture 7 magnitudes for all objects in PhotoObjAll. |
| BestTarget2Sector | Map PhotoObj which are potential targets to sectors |
| Chunk | Contains basic data for a Chunk |
| DataConstants | The table is storing various enumerated constants for flags, etc |
| DBColumns | Every column of every table has a description in this table |
| DBObjects | Every SkyServer database object has a one line description in this table |
| DBViewCols | The columns of each view are stored for the auto-documentation |
| Dependency | Contains the detailed inventory of database objects |
| DR3QuasarCatalog | The catalog of all confirmed quasars in SDSS Data Release 3. NOTE: The DRxQuasarCatalog a derived science table that may not be loaded for every release or available at the time the release is published. |
| DR5QuasarCatalog | The catalog of all confirmed quasars in SDSS Data Release 5. NOTE: The DRxQuasarCatalog tables are derived science tables that may not be loaded for every release or available at the time the release is published. |
| ELRedShift | Contains data for the Emission Line Redshifts |
| Field | Contains all the measured parameters of a photometric field |
| FieldProfile | The mean PSF profile for the field as determined from bright stars. |
| FieldQA | |
| First | SDSS objects that match to FIRST objects have their match parameters stored here |
| Frame | Contains JPEG images of fields at various zoom factors, and their astrometry. |
| Glossary | Contains a paragraph of text for each keyword in the Glossary |
| HalfSpace | The contraints for boundaries of the the different regions |
| History | Contains the detailed history of schema changes |
| HoleObj | Information for holes on a Plate |
| Inventory | Contains the detailed inventory of database objects |
| LoadHistory | Tracks the loading history of the database |
| Mask | Contains a record describing the each mask object |
| MaskedObject | Contains the objects inside a specific mask |
| Match | records what objects in one run are re-observed in other runs. |
| MatchHead | describes each bundle of matching objects from different runs |
| Neighbors | All PhotoObj pairs within 0.5 arcmins |
| ObjMask | Contains a record describing each ObjMask/Atlas object |
| OrigField | Contains all the original measured parameters of a photometric field |
| OrigPhotoObjAll | Contains the original photometry and astrometry from the PhotoObjAll table. |
| PhotoObjAll | Contains a record describing the attributes of each photometric object |
| PhotoProfile | The light profiles of SDSS photo objects |
| PhotoTag | Contains the popular fields of PhotoObj table |
| Photoz | The photometrically estimated redshifts for all galaxies in PhotoObjAll. |
| Photoz2 | Alternate computation of photometrically estimated redshifts for objects in the Galaxy view. |
| PlateX | Contains data from a given plate used for spectroscopic observations. |
| ProfileDefs | This table contains the radii for the Profiles table |
| ProperMotions | Proper motions combining SDSS and recalibrated USNO-B astrometry. |
| PsObjAll | Pan-STARRS photometry for selected SDSS objects. |
| QsoBest | Contains a record describing the attributes of each QSO Base object and also best Surrogates to fill in the QsoConcordanceAll view. |
| QsoBunch | describes each bunch of matching QSO candidate objects from Target, Spec, and Best databases using a search radius of 1.5 arcseconds. |
| QsoCatalogAll | A catalog of all objects that 'smell like a 'QSO' - this is the source table of candidates for the QuasarCatalog table, which contains the list of confirmed quasars. |
| QsoConcordanceAll | A concordance of all the objects from Spectro, Best, or Target that 'smell' like a QSO |
| QsoSpec | Contains a record describing the attributes of each QSO Spec object and also Spectroscopic Surrogates to fill in the QsoConcordanceAll view. |
| QsoTarget | Contains a record describing the attributes of each QSO Target object and also Target Surrogates to fill in the QsoConcordanceAll view. |
| QueryResults | Store the results of performance tests here |
| RC3 | The main PhotoObj table for the RC3 catalog |
| RecentQueries | Record the ipAddr and timestamps of the last n queries |
| Region | Definition of the different regions |
| Region2Box | Tracks the parentage which regions contribute to which boxes |
| RegionArcs | Contains the arcs of a Region with their endpoints |
| RegionPatch | Defines the attributes of the patches of a given region |
| Rmatrix | Contains various rotation matrices between spherical coordinate systems |
| Rosat | SDSS objects that match to ROSAT objects have their match parameters stored here. |
| RunQA | The RunQA table provides information relevant to the average data quality for the objects in each field. |
| RunShift | The table contains values of the various manual nu shifts for runs |
| SDSSConstants | This table contains most relevant survey constants and their physical units |
| Sector | Stores the information about set of unique Sector regions |
| Sector2Tile | Match tiles to sectors, wedges adn sectorlets, and vice versa. |
| Segment | Contains the basic parameters associated with a Segment |
| SiteConstants | Table holding site specific constants |
| SiteDBs | Table containing the list of DBs at this CAS site. |
| SiteDiagnostics | This table stores the full diagnostic snapshot after the last revision |
| SpecLineAll | Contains information about a single spectral Line |
| SpecLineIndex | Precomputed spectral line indices. |
| SpecObjAll | Contains the measured parameters for a spectrum. |
| SpecPhotoAll | The combined spectro and photo parameters of an object in SpecObjAll |
| sppLines | Contains outputs from the Spectro Parameter Pipeline (spp). |
| sppParams | Contains outputs from the Spectro Parameter Pipeline (spp). |
| Stetson | The main PhotoObj table for the Stetson dataset. |
| StripeDefs | This table contains the definitions of the survey layout as planned |
| TableDesc | Contains a paragraph of description for each table in the DB |
| Target | Keeps track of objects chosen by target selection and need to be tiled. |
| TargetInfo | Unique information for an object every time it is targetted |
| TargetParam | Contains the parameters used for a version of the target selection code |
| TargPhotoObjAll | Contains the photometric parameters for all spectroscopically targeted objects, extracted from Targ DB PhotoObjAll table. |
| TargPhotoTag | Contains the popular fields of TargPhotoObj table |
| TargRunQA | The RunQA table provides information relevant to the average data quality for the objects in each field for the TARGET skyVersion (see the RunQA table for the BEST skyVersion). |
| TileAll | Contains information about an individual tile on the sky. |
| TiledTargetAll | Keep track of why a Target was assigned to a Tile |
| TilingGeometry | Geometric information about TilingRegions |
| TilingInfo | Contain info on what happened to a TargetObj in a run of tiling software. |
| TilingNote | Contains human readable notes for a run of tiling. |
| TilingRun | Contains basic information for a run of tiling |
| UberAstro | The ubercal corrections and corrected astrometry for PhotoObjAll. |
| UberCal | The ubercal corrections and corrected magnitudes for PhotoObjAll. |
| USNO | SDSS objects that match to USNO-B objects have their match parameters stored here. |
| Versions | Tracks the versioning history of the database |
| XCRedshift | Table of Cross-Correlation Redshifts |
| Zone | Table to organize objects into declination zones |