This table lists the various keywords which are inserted into the headers of LRIS images by the datataking software. Certain CCD keywords are inserted by another piece of image writing code and are not covered here.
| Keyword | Collect When |
Library | Format | Multiplier | LRISRED | LRISBLUE |
|---|---|---|---|---|---|---|
| ADCNEED | start | dcs | - | 1 | X | X |
| ADCPRENA | start | dcs | - | 1 | X | X |
| AIRMASS | start | dcs | - | 1 | X | X |
| AMPLIST | end | lris | - | 1 | X | X |
| AUTOERAS | end | lris | - | 1 | X | X |
| AUTOSHUT | end | lris | - | 1 | X | X |
| AZ | start | dcs | - | 57.29578 | X | X |
| BLUFILT | start | lris | - | 1 | X | X |
| BLUFNUM | start | lris | - | 1 | X | X |
| BLUFOCUS | start | lris | - | 1 | X | X |
| BLUFTRAN | start | lris | - | 1 | X | X |
| BTRAN | start | lris | - | 1 | X | X |
| CALNAME | start | lris | - | 1 | X | X |
| CALNUM | start | lris | - | 1 | X | X |
| CCDGAIN | end | lris | - | 1 | X | X |
| CURRINST | start | dcs | - | 1 | X | X |
| DATE | start | dcs | F | 1 | X | X |
| DEC | start | dcs | F | 1 | X | X |
| DICHNAME | start | lris | - | 1 | X | X |
| DICHROIC | start | lris | - | 1 | X | X |
| DICHTRAN | start | lris | - | 1 | X | X |
| DOMEPOSN | start | dcs | - | 57.29578 | X | X |
| DTRAN | start | lris | - | 1 | X | X |
| EL | start | dcs | - | 57.29578 | X | X |
| ELAPTIME | end | lris | - | 1 | X | X |
| EQUINOX | start | dcs | - | 1 | X | X |
| ERASECNT | end | lris | - | 1 | X | X |
| FLIMAGIN | start | dcs | F | 1 | X | X |
| FLSPECTR | start | dcs | F | 1 | X | X |
| FRAMENO | end | lris | - | 1 | X | X |
| GRANAME | start | lris | - | 1 | X | X |
| GRANGLE | start | lris | - | 1 | X | X |
| GRATING | start | lris | - | 1 | X | X |
| GRISM | start | lris | - | 1 | X | X |
| GRISNAME | start | lris | - | 1 | X | X |
| GRISTRAN | start | lris | - | 1 | X | X |
| GTRAN | start | lris | - | 1 | X | X |
| HA | start | dcs | F | 1 | X | X |
| INSTRUME | start | lris | - | 1 | X | X |
| LAMPS | start | lris | - | 1 | X | X |
| MJD-OBS | start | dcs | F | 1 | X | X |
| MPPMODE | end | lris | - | 1 | X | X |
| MSWAVE | start | lris | - | 1 | X | X |
| NSUBINT | end | lris | - | 1 | X | X |
| NUMAMPS | end | lris | - | 1 | X | X |
| OBJECT | end | lris | - | 1 | X | X |
| OBSERVER | end | lris | - | 1 | X | X |
| OUTDIR | end | lris | - | 1 | X | X |
| OUTFILE | end | lris | - | 1 | X | X |
| PLANGLE | start | lris | - | 1 | X | X |
| PMFM | start | acs | - | 1 | X | X |
| PONAME | start | dcs | F | 1 | X | X |
| POSTPIX | end | lrisblue | - | 1 | X | |
| PREPIX | end | lrisblue | - | 1 | X | |
| RA | start | dcs | F | 1 | X | X |
| REDFILT | start | lris | - | 1 | X | X |
| REDFNUM | start | lris | - | 1 | X | X |
| REDFOCUS | start | lris | - | 1 | X | X |
| REDXFLIP | end | lris | - | 1 | X | |
| ROTMODE | start | dcs | F | 1 | X | X |
| ROTPOSN | start | dcs | - | 57.29578 | X | X |
| ROTPPOSN | start | dcs | - | 57.29578 | X | X |
| ROWSHFT | end | lris | - | 1 | X | X |
| SECFOCUS | start | dcs | - | 1 | X | X |
| SECTHETX | start | dcs | - | 1 | X | X |
| SECTHETY | start | dcs | - | 1 | X | X |
| SIMULATE | start | dcs | - | 1 | X | X |
| SLITGRAB | start | lris | - | 1 | X | X |
| SLITMASK | start | lris | - | 1 | X | X |
| SLITNAME | start | lris | - | 1 | X | X |
| ST | start | dcs | F | 1 | X | X |
| TARGNAME | start | dcs | - | 1 | X | X |
| TELESCOP | start | dcs | - | 1 | X | X |
| TELFOCUS | start | dcs | - | 1 | X | X |
| TEMPDET | start | lris | - | 1 | X | X |
| TRAPDOOR | start | lris | F | 1 | X | X |
| TTIME | end | lris | - | 1 | X | X |
| TUBETEMP | start | dcs | - | 1 | X | X |
| TV1FILT | start | lris | - | 1 | X | X |
| TV1FPOS | start | lris | - | 1 | X | X |
| TV2FILT | start | lris | - | 1 | X | X |
| UT | start | dcs | F | 1 | X | X |
| VOFFSET0 | end | lris | - | 1 | X | X |
| VOFFSET1 | end | lris | - | 1 | X | X |
| VOFFSET2 | end | lrisblue | - | 1 | X | |
| VOFFSET3 | end | lrisblue | - | 1 | X | |
| WAVELEN | start | lris | - | 1 | X | X |
| WINDOW | end | lrisblue | - | 1 | X |