DCS Keywords

The table below lists the DCS keywords as of 18 January 2000 on Keck II. The columns include the keyword, a brief description, and the format.

These keywords are in the order output by a "show -s dcs keywords" command, which also happens to be (more or less) in alphabetical order.

Keyword Description Format
AIRMASS air-mass double number
AUTACK guider-cmdAck integer number
AUTACTIV guider-active logical
AUTANGL guider-to-porg-angle double number
AUTAZAC guider-az-accumulated-err double number
AUTAZBW guider-az-posn-loop-bandwidth double number
AUTAZER guider-az-err double number
AUTAZGN guider-az-effective-gain double number
AUTAZGN0 guider-az-nominal-gain double number
AUTBADST guider-badstat logical
AUTCAPR guider-capture-radius double number
AUTCYCLE guider-cycle integer number
AUTELAC guider-el-accumulated-err double number
AUTELBW guider-el-posn-loop-bandwidth double number
AUTELER guider-el-err double number
AUTELGN guider-el-effective-gain double number
AUTELGN0 guider-el-nominal-gain double number
AUTFLIP guider-to-porg-y-flip logical
AUTFWHM guider-fwhm double number
AUTGO guider-go-flag enum
AUTNOST guider-nostat logical
AUTPAUSE guider-pause integer number
AUTPER guider-period-flag double number
AUTREFX guider-X-reference double number
AUTREFY guider-Y-reference double number
AUTRESUM guider-resume integer number
AUTRESX guider-resumeX double number
AUTRESY guider-resumeY double number
AUTSEQNUM guider-seqnum integer number
AUTSKY guider-sky-counts double number
AUTSTAR guider-star-counts double number
AUTSTOP guider-stop integer number
AUTTIME guider-total-time double number
AUTXCENT guider-Xcent double number
AUTYCENT guider-Ycent double number
AUXBOOT aux-cage-reboot logical
AUXCPU aux-cpu-usage double number
AUXUP aux-cage-up-status logical
AUXVERS aux-cage-software-version string
AXEERRS axes-error-string string
AXEERVL axes-error-status integer number
AXEHALT axes-halt-command logical
AXEINIT axes-initialization-command logical
AXENEED axes-control-needed logical
AXESTAT axes-control-status enumm
AXESTBY axes-standby-command logical
AXESTOP axes-emergency-stop-command logical
AXESTST axes-state-string string
AZ telescope-azimuth double number
AZBCODE telescope-azimuth-barcode double number
AZBANDW az-posn-loop-bandwidth double number
AZDEST azimuth-destination double number
AZOFF azimuth-offset double number
AZSRVER azimuth-servo-error double number
AZPE azimuth-servo-posn-error double number
AZSRVMO azimuth-servo-mode integer number
CA collimation-azimuth double number
CAINC collimation-azimuth-increment double number
CALOCAL collimation-azimuth-local double number
CASESS collimation-azimuth-session double number
CE collimation-elevation double number
CEINC collimation-elevation-increment double number
CELOCAL collimation-elevation-local double number
CESESS collimation-elevation-session double number
CHPACC chopper-acceleration double number
CHPACCLM chopper-acceleration-limit double number
CHPAMP chopper-amplitude double number
CHPANG chopper-angle double number
CHPAZDEM chopper-azimuth-demand integer number
CHPAZGN chopper-az-gain double number
CHPAZOFF chopper-az-offset double number
CHPAZZR chopper-az-zero integer number
CHPCLKAN chopper-clock-angle double number
CHPCONAN chopper-cone-angle double number
CHPCYCLE chopper-cycle-number integer number
CHPDC chopper-duty-cycle double number
CHPDCMIN chopper-duty-cycle-minimum double number
CHPDCMAX chopper-duty-cycle-maximum double number
CHPDCOFF chopper-dec-offset double number
CHPDELAY chopper-delay double number
CHPEBAND chopper-error-band double number
CHPECAZG chopper-error-correction-azimuth-gain integer number
CHPECAZS chopper-error-correction-azimuth-shift integer number
CHPECBIN chopper-error-correction-number-of-bins integer number
CHPECELG chopper-error-correction-elevation-gain integer number
CHPECELS chopper-error-correction-elevation-shift integer number
CHPECERR chopper-error-correction-error-word integer number
CHPECFOG chopper-error-correction-focus-gain integer number
CHPECFOS chopper-error-correction-focus-shift integer number
CHPECSCL chopper-error-correction-scale-factor integer number
CHPECSMO chopper-error-correction-smoother-divisor integer number
CHPECORR chopper-error-correction-mode logical
CHPELDEM chopper-elevation-demand integer number
CHPELGN chopper-el-gain double number
CHPELOFF chopper-el-offset double number
CHPELZR chopper-el-zero integer number
CHPERRS chopper-error-string string
CHPERVL chopper-error-status integer number
CHPFREQ chopper-frequency double number
CHPFLTIM chopper-flare-time double number
CHPHALT chopper-halt-command logical
CHPIBX chopper-internal-base-x double number
CHPIBY chopper-internal-base-y double number
CHPINIT chopper-initialization-command logical
CHPIXOFF chopper-instrument-x-offset double number
CHPIYOFF chopper-instrument-y-offset double number
CHPMODE chopper-mode enumm
CHPMODID chopper-module-id logical
CHPNEED chopper-needed logical
CHPOFF chopper-offset double number
CHPON chopper-on logical
CHPFOVER chopper-fault-override logical
CHPPARAN chopper-parallactic-angle double number
CHPPOS chopper-sample-number integer number
CHPPOSTR chopper-post-trigger-time integer number
CHPPOSTT chopper-sample-total integer number
CHPPOWER chopper-power double number
CHPPOWLM chopper-power-limit double number
CHPPRETR chopper-pre-trigger-time integer number
CHPRAOFF chopper-ra-offset double number
CHPRELTO chopper-relative-to enum
CHPROTAN chopper-rotator-angle double number
CHPSIM chopper-simulation-mode logical
CHPTRGSQ chopper-trigger-square-wave-type enum
CHPTRIG chopper-trigger-mode enum
CHPLOCAL chopper-local-remote-mode logical
CHPSTAT chopper-state enumm
CHPSTBY chopper-standby-command logical
CHPSTST chopper-state-string string
CHPSTYLE chopper-chop-style logical
CHPTYPE chopper-chop-type enum
CHPTYPE2 chopper-chop-type-2 enum
CIEBOOT cie-cage-reboot logical
CIECPU cie-cpu-usage double number
CIEUP cie-cage-up-status logical
CIEVERS cie-cage-software-version string
COPRESET collimation-preset enumm
CURRINST current-instrument string
DATE universal-date double number
DATE-OBS universal-date-of-observation double number
DCSERRS drive-and-control-error-string string
DCSERVL drive-and-control-error-status integer number
DCSHALT drive-and-control-halt-command logical
DCSHOST drive-and-control-host string
DCSINIT drive-and-control-initialization-command logical
DCSINDON drive-and-control-initialization-done logical
DCSLOCK drive-and-control-locked logical
DCSSTAT drive-and-control-status enumm
DCSSTBY drive-and-control-standby-command logical
DCSSTST drive-and-control-state-string string
DCSVERS drive-and-control-version string
DDEC diff-decl-rate double number
DEC telescope-declination double number
DECBASE telescope-declination-base double number
DECOFF declination-offset double number
DIFFPTDW difference-betw-pri-mirr-temp-dewpoint double number
DIFFSTDW difference-betw-secondary-temp-dewpoint double number
DOFFGE diff-tracking-offset-guide-ena integer number
DOMEDSEL dome-demand-select enum
DOMEERRS dome-error-string string
DOMEERVL dome-error-status integer number
DOMEHALT dome-halt-command logical
DOMHORND dome-horn-disable-command logical
DOMHORNE dome-horn-enable-command logical
DOMHORNS dome-horn-sound-command logical
DOMEINIT dome-initialization-command logical
DOMELITE dome-light-control-and-status enum
DOMEPOSN dome-azimuth double number
DOMENEED dome-needed logical
DOMESLEW dome-slew-command logical
DOMESTAT dome-status enumm
DOMESTBY dome-standby-command logical
DOMESTST dome-state-string string
DRA diff-ra-rate double number
DTFRAM differential-tracking-frame integer number
DTRACK differential-tracking-enabled logical
DTRESET differential-tracking-reset logical
DTRX diff-x-rate double number
DTRY diff-y-rate double number
DSTART diff-rate-start-mjd double number
EL telescope-elevation double number
ELBCODE telescope-elevation-barcode double number
ELBANDW el-posn-loop-bandwidth double number
ELDEST elevation-destination double number
ELOFF elevation-offset double number
ELSRVER elevation-servo-error double number
ELPE elevation-servo-posn-error double number
ELSRVMO elevation-servo-mode integer number
EQUINOX telescope-equinox double number
ERRBAR targ-coord-error-bar double number
ESTOPSAA emergency-stop-status-SAA logical
ESTOPAAA emergency-stop-status-AAA logical
EXPOSIP instrument-exposure-in-progress logical
FLIMAGIN flat-lamp-control-1 logical
FLSPECTR flat-lamp-control-2 logical
FLAMP3 flat-lamp-control-3 logical
FLAMP4 flat-lamp-control-4 logical
FLAMP5 flat-lamp-control-5 logical
FLAMP6 flat-lamp-control-6 logical
FOCALLEN telescope-focal-length double number
FOCALSTN focal-station enum
FOCALSTR focal-station-string string
FRAME telescope-frame enumm
GOTOBASE go-to-base logical
GUIDING guiding-on logical
GUIDWAVE guidestar-wavelength double number
HA telescope-hour-angle double number
HALT halt-telescope logical
INSTANGL porg-to-instrument-angle double number
INSTFLIP porg-to-instrument-y-flip logical
INSTRUME instrument-name string
INSTXOFF instrument-x-offset double number
INSTYOFF instrument-y-offset double number
LATITUDE geodetic-latitude double number
LOGSET loglevel-set-bit integer number
LST local-apparent-sidereal-time double number
MARK mark-current-as-base logical
MARKCOLL mark-collimation integer number
MJD modified-julian-date double number
MJD-OBS modified-julian-date-of-observation double number
MOVEPEND move-pending logical
MOVETMOT move-pend-timeout integer number
MOVETEL move-telescope enum
NASCCWLM nasmyth-ccw-limit double number
NASCWLM nasmyth-cw-limit double number
NASELLM nasmyth-el-limit double number
NODSET nod-set enumm
NODTEL nod-telescope enumm
NODVIS nod-visible logical
NOGROT select-non-rotated-guider integer number
NRX nasmyth-rotator-displacement-x double number
NRY nasmyth-rotator-displacement-y double number
PARANG parallactic-angle-astrometric double number
PARANTEL parallactic-angle-telescope double number
PMNOSUP proper-mtn-not-supplied logical
PNTSNAP snap-pointing-data integer number
POCANCEL pointing-origin-cancel logical
PONAME pointing-origin-name string
PONAME1 pointing-origin-name-1 string
PONAME2 pointing-origin-name-2 string
PONAME3 pointing-origin-name-3 string
PONAME4 pointing-origin-name-4 string
PONAME5 pointing-origin-name-5 string
PONAME6 pointing-origin-name-6 string
PONAME7 pointing-origin-name-7 string
PONAME8 pointing-origin-name-8 string
PONAME9 pointing-origin-name-9 string
POOFF pointing-origin-offset logical
POPRESET pointing-origin-preset logical
PORESET pointing-origin-reset logical
POSELECT pointing-origin-select logical
POSTAT pointing-origin-status mask
POSTAT1 pointing-origin-status-1 mask
POSTAT2 pointing-origin-status-2 mask
POSTAT3 pointing-origin-status-3 mask
POSTAT4 pointing-origin-status-4 mask
POSTAT5 pointing-origin-status-5 mask
POSTAT6 pointing-origin-status-6 mask
POSTAT7 pointing-origin-status-7 mask
POSTAT8 pointing-origin-status-8 mask
POSTAT9 pointing-origin-status-9 mask
POTOTAL pointing-origin-total mask
POXBASE pointing-origin-x-base double number
POXOFF pointing-origin-x-offset double number
POXPOS pointing-origin-xposition double number
POXPOS1 pointing-origin-xposition-1 double number
POXPOS2 pointing-origin-xposition-2 double number
POXPOS3 pointing-origin-xposition-3 double number
POXPOS4 pointing-origin-xposition-4 double number
POXPOS5 pointing-origin-xposition-5 double number
POXPOS6 pointing-origin-xposition-6 double number
POXPOS7 pointing-origin-xposition-7 double number
POXPOS8 pointing-origin-xposition-8 double number
POXPOS9 pointing-origin-xposition-9 double number
POYBASE pointing-origin-y-base double number
POYOFF pointing-origin-y-offset double number
POYPOS pointing-origin-yposition double number
POYPOS1 pointing-origin-yposition-1 double number
POYPOS2 pointing-origin-yposition-2 double number
POYPOS3 pointing-origin-yposition-3 double number
POYPOS4 pointing-origin-yposition-4 double number
POYPOS5 pointing-origin-yposition-5 double number
POYPOS6 pointing-origin-yposition-6 double number
POYPOS7 pointing-origin-yposition-7 double number
POYPOS8 pointing-origin-yposition-8 double number
POYPOS9 pointing-origin-yposition-9 double number
PRESERVE preserve-pointing logical
PRESROT preserve-rotator-physical-position enum
PRIMTEMP acs-primary-mirror-temp double number
PRMAZ azimuth-prm-offset double number
PRMEL elevation double number
RA telescope-right-ascension double number
RABASE telescope-right-ascension-base double number
RAOFF right-ascension-offset double number
REL2BASE relative-to-base enum
REL2CURR relative-to-current enum
ROTCASID cassegrain-rotator-module-id string
ROTCCWLM rotator-ccw-limit double number
ROTCWLM rotator-cw-limit double number
ROTDEST rotator-user-destination double number
ROTDETS1 rotator-destination-timestamp1-ut1-slow double number
ROTDETS2 rotator-destination-timestamp2-ut1-slow double number
ROTERCNT rotator-error-count integer number
ROTERRS rotator-error-string string
ROTERVL rotator-error-status integer number
ROTFWDID forward-cassegrain-rotator-module-id string
ROTHALT rotator-halt-command logical
ROTHALTC rotator-halt-command-complement logical
ROTHERE rotator-here logical
ROTOFF rotator-offset double number
ROTINIT rotator-initialization-command logical
ROTINITC rotator-initialization-command-complement logical
ROTLBCID left-bent-cass-rotator-module-id string
ROTMODE rotator-tracking-mode enumm
ROTNEED rotator-needed logical
ROTNEWS rotator-new-destination-slow integer number
ROTBASE rotator-base-angle double number
ROTCALAN rotator-calibration-angle double number
ROTREFAN rotator-reference-angle double number
ROTPDEST rotator-physical-destination double number
ROTPDSTS rotator-physical-destination-slow double number
ROTPOSN rotator-user-position double number
ROTPOTS1 rotator-position-timestamp1-ut1-slow double number
ROTPOTS2 rotator-position-timestamp2-ut1-slow double number
ROTPPOSN rotator-physical-position double number
ROTRBCID right-bent-cass-rotator-module-id string
ROTSEL rotator-select enum
ROTSRVER rotator-servo-error double number
ROTSTAT rotator-state enumm
ROTSTBY rotator-standby-command logical
ROTSTBYC rotator-standby-command-complement logical
ROTSTST rotator-state-string string
ROTZERO rotator-zero-angle double number
SCALED scaled-offset logical
SECACTU1 secondary-actuator-1 double number
SECACTU2 secondary-actuator-2 double number
SECACTU3 secondary-actuator-3 double number
SECOFFE secondary-el-offset double number
SECOFFR secondary-rot-offset double number
SECOFFT secondary-temp_offset double number
SECCALIB secondary-calib-comp logical
SECEL secondary-auto-el-comp logical
SECERRS secondary-error-string string
SECERVL secondary-mirror-error-status integer number
SECFOCUS secondary-mirror-focus-raw double number
SECFOCOF telescope-focus-raw-offset double number
SECHALT secondary-halt-command logical
SECID secondary-module-id string
SECINIT secondary-initialization-command logical
SECMOVE move-secondary logical
SECMTEMP secondary-mirror-temp double number
SECNEED secondary-needed logical
SECRAW secondary-cmd-raw-focus logical
SECREQE move-req-el-comp logical
SECREQR move-req-rot-comp logical
SECREQT move-req-temp-comp logical
SECROT secondary-auto-rot-comp logical
SECROTAM secondary-auto-rot-comp-amplitude double number
SECROTPH secondary-auto-rot-comp-phase double number
SECSCALE secondary-mirror-to-sky-scale double number
SECSTAT secondary-state enumm
SECSTBY secondary-standby-command logical
SECSTST secondary-state-string string
SECTEMP secondary-auto-temp-comp logical
SECTHETX secondary-mirror-thetax double number
SECTHETY secondary-mirror-thetay double number
SECXDEM secondary-mirror-thetax-demand double number
SECYDEM secondary-mirror-thetay-demand double number
SECTHXOF secondary-mirror-thetax-offset double number
SECTHYOF secondary-mirror-thetay-offset double number
SECZ secondary-mirror-focus-compensated double number
SECZDEM secondary-mirror-focus-compensated-demand double number
SHTCTRLL shutter-control-lower enum
SHTCTRLU shutter-control-upper enum
SHTPOSL shutter-elevation-lower double number
SHTPOSU shutter-elevation-upper double number
SHTPOWER shutter-drive-power-control-command string
SHTSTSL shutter-status-lower string
SHTSTSU shutter-status-upper string
SIMULATE simulating-dcs logical
SLEWONLY slew-only-total-time double number
SLEWTIME total-slew-time double number
ST local-apparent-sidereal-time double number
STRKERR servo-tracking-error-sky double number
TARGAZ target-azimuth double number
TARGDEC target-declination double number
TARGDCJ2 target-declination-j2000 double number
TARGEL target-elevation double number
TARGEPOC target-epoch double number
TARGEQUI target-equinox double number
TARGFRAM target-frame enumm
TARGNAME target-name string
TARGPLAX target-parallax double number
TARGPMDC target-proper-motion-dec double number
TARGPMRA target-proper-motion-ra double number
TARGRA target-right-ascension double number
TARGRAJ2 target-right-ascension-j2000 double number
TARGRADV target-radial-velocity double number
TARGWAVE target-wavelength double number
TDCBOOT tdc-cage-reboot logical
TDCCPU tdc-cpu-usage double number
TDCUP tdc-cage-up-status logical
TDCVERS tdc-cage-software-version string
TELCCWLM telescope-ccw-limit double number
TELCWLM telescope-cw-limit double number
TELESCOP telescope-name string
TELFOCUS telescope-focus-compensated double number
TELFOCOF telescope-focus-compensated-offset double number
TELGUARD telescope-guard-band double number
TELLOLM telescope-lower-el-limit double number
TELSHORT tel-shortest-path logical
TELUPLM telescope-upper-el-limit double number
TERTERRS tertiary-error-string string
TERTERVL tertiary-error-status integer number
TERTHALT tertiary-halt-command logical
TERTINIT tertiary-initialization-command logical
TERTMOVE move-tertiary logical
TERTNEED tertiary-needed logical
TERTDEST tertiary-destination enum
TERTPOSN tertiary-position enum
TERTSTAT tertiary-state enumm
TERTSTBY tertiary-standby-command logical
TERTSTST tertiary-state-string string
TPESTEMP top-end-socket-temp double number
TRACKING telescope-servos-tracking logical
TRFIELD tracking-field-size double number
TRTHRESH tracking-threshold double number
TRHYST tracking-hysteresis double number
TUBEFLEX tube-flexure double number
TUBETEMP tube-temperature double number
TVANGL porg-to-tv-angle double number
TVFLIP porg-to-tv-y-flip logical
TVANGL0 porg-to-tv-angle-0 double number
TVFLIP0 porg-to-tv-y-flip-0 logical
TVANGL1 porg-to-tv-angle-1 double number
TVFLIP1 porg-to-tv-y-flip-1 logical
TVANGL2 porg-to-tv-angle-2 double number
TVFLIP2 porg-to-tv-y-flip-2 logical
TVXOFF tv-x-offset double number
TVYOFF tv-y-offset double number
USEPDPNT use-pdest-for-pointing logical
XIMOFF XIM-offset double number
YIMOFF YIM-offset double number
UT coordinated-universal-time-1 double number
UTC coordinated-universal-time double number

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