Exposure start time using the UTC timescale, expressed as MJD, but with the barycentric time correction (from BARTDELT) applied.
| Attribute | Value |
|---|---|
| data type | float |
| enumerated Values | not defined |
| units | days |
| example | |
| default value | |
| special processing | OPTIONAL |
| source | Science Data Processing (SDP) |
| software source | |
| calculation | See set_bary_helio_times.py |
| DB destination | ['ScienceCommon.bstrtime'] |
| data type in DB | float |
| instrument | Multiple |
| mode | All |
| product level | 1b |
| FITS hdu | PRIMARY |
| FITS header section | Time Information |