The starting point for the PS1 data archive is at zzz Pan-STARRS1 data archive home page.
Note: If you edit an existing entry, please explain why you made the change in the "What did you change?" box before pushing the "Save" button.
Term | Explanation |
---|---|
Detection | Catalog data for a single source from a single exposure. |
Object | Catalog data for one or more associated detections. |
OTA | Orthogonal transfer array, consisting of an 8 x 8 array of 600 x 600 pixel CCD cells. The PS1 camera consists of 60 OTAs. |
Sky cell | One tile in the PS1 tessellation of the sky. |
Stack image | Image constructed by combining all useful warp images that overlap a single sky cell. Sometimes simply referred to as a "stack". |
Stack detection | Catalog data for a single source from a stack image. |
Stack object | Catalog data for one or more associated stack detections. |
Tesselation | |
Warp image | Image constructed by resampling a single exposure onto a canonical sky cell projection. Sometimes simply referred to as a "warp". |
Ubercal | The process that uses comparisons in flux measurements from overlapping exposures to improve the global calibration. |