Number of rows to advance the starting RowCorner of the subarray at the end of each subarray integration. Valid values are integers from 0 to 2048. One instance is required. The subarray may optionally be divided into substripes using MSTR_RD1, MSTR_SK1, MSTR_RD2, and MSTR_SK2, as described in the respective keywords.
| Attribute | Value |
|---|---|
| data type | integer |
| enumerated Values | not defined |
| units | |
| example | |
| default value | |
| special processing | OPTIONAL |
| source | Science and Operations Center Project Reference Database (PRD) |
| software source | |
| calculation | PRD SubarrayFrameTime table lookup: Superstripe_Step |
| DB destination | ['ScienceCommon.sstr_stp'] |
| data type in DB | int |
| instrument | NIRCAM |
| mode | multi-stripe |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Subarray parameters |