| KEYWORD | DESCRIPTION | REQ | INST | DEFAULT | VALUES | 
| AR | Argon Lamps | N | all | undef | {0..n} | 
| AZRES | Azimuth
Restriction | N | all | undef | {E,W,none,""} | 
| BIAS | # of Bias
frames | N | all | undef | {0..n} | 
| CD | Cadmium Lamps | N | all | undef | {0..n} | 
| CE 
 | Collecting Efficiency 
 | N 
 | all 
 | undef 
 | {0..1} 
 | 
| COMMENT | Comment
String for this target | N | all | "" | String | 
| CRSPLIT | Number
of sub-exposures | N | all | 1 | {1..n} | 
| DARK | Number of
Dark frames | N | all | undef | {0..n} | 
| DEC | Declination
of target | Y | all | undef | [+,-]dd:mm:ss[.s[s]] | 
| DITHER | Set
dither exposure | N | LRS2-B LRS2-R
 VIRUS
 | undef 
 | {Y,N} | 
| EQUINOX | Equinox
of coordinates | N | all | 2000.0 | none accepted! 
 | 
| EXP | Exposure
time in seconds | Y | all | undef | Real | 
| EXTRACALS | Extra
Calibrations | N | all | undef | String or Quoted string1 | 
| FF | Number of
flat fields | N | all | undef | {0..n} | 
| FLUX | Flux
standard | N | all | N | {Y,N,1,2,3,4} | 
| GNAME | Group Name | N | all | undef | String | 
| GTYPE | Group Type | N | all | AND | {AND,POOL,SEQ,ORD,SIMUL} | 
| HG | Mercury Lamps | N | all | undef | {0..n} | 
| HPFCOMPARISON | HPF
Comparison
Lamps | N | HPF | none | {none,LFC,Etalon,Uranium} | 
| INSTRUMENT | Short
name for Instrument | N2 | all | undef | {LRS2-B,LRS2-R,HPF,VIRUS} | 
| MAG | V Magnitude
of target | N 
 | all | undef | Real | 
| GMAG | SDSS-g filter
Magnitude of target 
 | Y 
 | VIRUS LRS2-B
 
 | undef | Real | 
| RMAG | SDSS-r
filter
Magnitude of target | Y 
 | LRS2-R 
 | undef | Real | 
| IMAG | SDSS-i
filter
Magnitude of target | N 
 | HPF 
 | undef | Real | 
| JMAG | near-infrared
J
filter Magnitude of target | Y 
 | HPF 
 | undef | Real | 
| MOONDOWN 
 | Moon below horizon for visit | N 
 | all 
 | N 
 | {Y,N} 
 | 
| NE | Neon Lamps | N | all | undef | {0..n} | 
| NONSIDEREAL 
 | Observation of non sidereal object | N 
 | all 
 | N 
 | {Y,N} 
 | 
| NOTES | notes for
all targets | N | all | "" | Quoted string (quotes
only necessary if spaces are used) | 
| NUMTODO | Number
in Group to Execute | N | all | 1 | {1..n} | 
| OBJECT | Object
Name | Y | all | undef | String | 
| OCD | Observation
should
be included in OCD (HETDEX observation scheduling
tool) 
 | N 
 | VIRUS 
 | undef 
 | {Y/N} 
 | 
| OFFSETDEC | or Real including one
fractional place: nnn.n with values >=0.1 and
<=360.0; Note that this must be within 10 degrees of
the parallactic angle Offset in
Declination | N | all | undef | Real [Arc seconds] | 
| OFFSETRA | Offset
in Right Ascension | N | all | undef | Real [Arc seconds] | 
| OFFSETX | X
offset from center of ifuslot in arcsecs | N | all | undef | Real [Arc seconds] {-170 to 170}
 | 
| OFFSETY | Y
offset from center of ifuslot in arcsecs | N | all | undef | Real [Arc seconds] {-170.0 to 170.0}
 | 
 
| PBMETHOD | Phase
Blocking Method | N | all | NONE | {none,binwise,uniform} | 
| PBPERIOD | Period for
phasing | Y | all | NONE | Real | 
| PBTIME0 | Any (jdp)
time corresponding to zero phase | Y | all | NONE | Real | 
| PBBEG1 | Start of
specified PH range | N | all | 0 | Real {0.0 to 1.0} | 
| PBEND1 | End of
specified PH range | N | all | 0 | Real {0.0 to 1.0} | 
| PBREQ1 | Minimum
number of visits in range 1 | N | all | 0 | {0..n} | 
| PBBEG2 | Start of
correlated PH range | N | all | 0 | Real {0.0 to 1.0} | 
| PBEND2 | End of
correlated PH range | N | all | 0 | Real {0.0 to 1.0} | 
| PBREQ2 | Minimum
number of visits in the correlated PH range | N | all | 0 | {0..n} | 
| PB1OR2 | Number of
visits in either PH range | N | all | 0 | {-1..n} | 
| PBNUM | Number of
windows in the PH range | N | all | NONE | {0..n} | 
| PBWIN | Minimum size
of the window for even filling of PH | N | all | 0.2 | Real {0.0..1.0} | 
| PBDUM | Optional
dummy phase points to not be observed | N | all | -1.0 | {-1.0 to 1.0} | 
| PICHART | PI
Finding Chart | N | all | undef | URL or multiple
space-separated URLs in double quotes | 
| PIPRI | PI
Priority | N | all | undef | {1..n} | 
| PMDEC | Proper
Motion Declination in mas/yr | N | all | undef | real | 
| PMEPOCH | Epoch of
the proper motion | N | all | 2000.0 | none accepted! 
 | 
| PMRA | Proper
Motion Right Ascension in mas/yr | N | all | undef | real | 
| PRI | Priority | Y | all | undef | {0..4} | 
| PROGRAM | Program
Number | Y | all | undef | String | 
| RA | Right
Ascension of target | Y | all | undef | hh:mm:ss[.s[s]] | 
| RV | Radial
Velocity Standard | N | all | N | {Y,N,1,2,3,4,5} | 
| RVHIGHPREC 
 | RV
High
precision required | Y 
 | HPF 
 | Y 
 | {Y,N} 
 | 
| SEEING | Maximum
Seeing | Y 
 | all | undef | Real | 
| SETUPMETHOD | SETUPMETHOD | Y 
 | all | undef | {ACAMblind, HPFACAM,
DirectACAM, DirectGuider} | 
| SKYBRIGHT | Sky
Brightness limit  (deprecated) 
 | N 
 | all | undef | {18.0 to 21.0} | 
| SKYBRIGHT_G | Sky
surface
brightness limit in SDSS g filter 
 | Y 
 | VIRUS LRS2-B
 
 | undef | {14.0
to 21.5} | 
| SKYBRIGHT_R | Sky surface brightness limit in
SDSS r filter | Y 
 | LRS2-R 
 | undef | {14.0 to 20.5} | 
| SKYBRIGHT_I | Sky surface brightness limit in
SDSS i filter | Y 
 | HPF 
 | undef | {14.0 to 19.7} | 
| SKYCALS | Sky
Calibrations | N | all | N | {Y,N} | 
| SKYTRANS | Sky
transmission | N | all | S | {P,S,N} | 
| SNGOAL | Signal to
Noise Goal per exposure per pixel;   
*Required for HPF observations 
 | N 
 | all | undef | Real | 
| STATUS | Object
Status | N | all | "" | {D,"",H} | 
| STDCALS | Standard
Calibrations | N | all | Y | {Y,N} | 
| SYNDATE | Synoptic
Date restrictions | N | all | undef | sYYYYMMDD[,sYYYYMMDD] or gYYYYMMDD-YYYYMMDD where s is >, = or < and
where g is > or =
 | 
| SYNFREQ | Synoptic
Frequency | N | all | undef | [RAND#-#, where #-# is an
integer range such as 1-7] | 
| TELL | Telluric
Standard | N | all | N | {Y,N,GC1,GC0,GCboth} | 
| THAR | Thorium-Argon
Lamps | 99 | all | undef | {0..n} | 
| TYPE | Action
Type - LRS2-B and LRS2-R | N | LRS2-B LRS2-R
 | sci | {sci,bias,dark,calff,calNe, calHg,calCd, TBD}
 | 
| VIFU | VIRUS ifu
slot for the target coordinates | Y | VIRUS | 000 | 000 to 106 | 
| VISITS | Number of
visits | N | all | 1 | {1..n} | 
| XE | Xenon Lamps | N | all | undef | {0..n} |