tomono@naoj.org

FITS primary header keywords FITS primary header keywords. CHN subsitutes for channel name, MIR or NIR. %d will be converted into date and time of the measurement
keywordformatcommentsourceupdate
SIMPLE %c Standard FITS formatFixed
BITPIX %d Number of bits storing pix valuesFixed
NAXIS %d Number of axis in frameFixed
NAXIS1 %d Number of pixels/rowClockGo
NAXIS2 %d Number of rowsClockGo
NAXIS3 %d Number of framesClockGo
EXTEND %c ASCII Table for Z-frame descriptionFixed
COMMENT CHN Primary header for MIRTOS written by Tomono on 1998/11/15
COMMENT
OBSERVER%-8.30sName of observersOBSOBS
PROP-ID %-8.30sProposal ID

DATASET %-8.30sWhat is this? Ref. George

INSTRUME%-8.30sName of instrument

INS-VER %-8.30sVersion of the instrumentThis file
FRAMEID %-8.16sFITS File sequential numberOBSGet?
EXP-ID %-8.16s
Get?Get?
OBS-MOD %-8.30sObservation Mode

DATA-TYP%-8.16sobject/flat/pupil/pupil_flat/darkOBS?
OBSERVAT%-8.30s


TELESCOP%-8.30s
OBS
CRPIX1 %6.1f Reference pixel in X (pixel)

CRPIX2 %6.1f Reference pixel in Y (pixel)

CRVAL1 %13.8f Physical value of the reference pixel XToolkit??
CRVAL2 %13.8f Physical value of the reference pixel YToolkit??
CDELT1 %12.10fX Scale projected on detector(#/pix)
Meas
CDELT2 %12.10fY scale projected on detector(#/pix)
Meas
CTYPE1 %-8.16sPixel coordinate systemToolkit??
CTYPE2 %-8.16sPixel coordinate systemToolkit??
CUNIT1 %-8.10sUnits used in both CRVAL1 and CDELT1

CUNIT2 %-8.10sUnits used in both CRVAL2 and CDELT2

TIMESYS %-8.8s Time System used in the headerFixed
RADECSYS%-8.8s The equatorial coordinate systemOBS?
PROJP1 %5.1f Projection type of the first axisToolkitToolkit
PROJP2 %5.1f Projection type of the second axisToolkitToolkit
LONGPOLE%8.5f The North Pole of standard system (deg)Fixed
PC001001%12.8f Pixel Coordinate translation matrixToolkitToolkit
PC001002%12.8f Pixel Coordinate translation matrixToolkitToolkit
PC002001%12.8f Pixel Coordinate translation matrixToolkitToolkit
PC002002%12.8f Pixel Coordinate translation matrixToolkitToolkit
BSCALE %1.0f Real=fits-value*BSCALE+BZEROFixed
BZERO %1.0f Real=fits-value*BSCALE+BZEROFixed
BUNIT %-8.16sUnit of original pixel valuesFixed
BLANK %d Value used for NULL pixelsTBD
DATE-OBS%-8.30syyyy-mm-dd UTC obs start dateInternal clockGo/Jport
UT %-8.10sHH:MM:SS.S UTC at typical time(=start)Internal ClockGo/Jport
HST %-8.10sHH:MM:SS.S HST at typical time(=start)Internal ClockGo/Jport
LST %-8.10sHH:MM:SS.S LST at typical time(=start)Internal ClockGo/Jport
MJD %8.8f Modified Julian Day at typical time(=start)Internal ClockGo/Jport
EXPTIME %9.4f Total integration time per frame(sec)ClockGo
OBJECT %-8s Target DescriptionOBS?
RA %-8.12sHH:MM:SS.SSS RA (J2000) pointingOBSPoint? Nod?
RA2000 %-8.12sHH:MM:SS.SSS RA (J2000) pointingOBSPoint? Nod?
DEC %-8.12s+/-DD:MM:SS.SS DEC (J2000) pointingOBSPoint? Nod?
Dec-00 %-8.12s+/-DD:MM:SS.SS DEC (J2000) pointingOBS
EQUINOX %6.1f
OBS?
AZIMUTH %10.5f Azimuth of telescope pointing (degree)OBSNod? Point?
ALTITUDE%9.5f Altitude of telescope pointing(degree)OBSNod? Point?
FOC-POS %-8.16sFocus where the instrument is attachedOBSGo
FOC-LEN %8.3f Focal length of the telescope (mm)?
FOC-VAL %8.3f Encoder value of the focus unit (mm)OBSGo/Jport
M2-TYPE %-8.8s Type of the secondary miror (Opt/IR)OBSGo
M2-TIP %-8.8s Tip/Tilt of the Secondary Mirror (on/off)OBSGo
APERTURE%-8s Field stop IDFS CtrlMove
INR-STR %8.3f Instrument Rotator angle at Start (deg)OBSGo/Jport
INR-END %8.3f Instrument Rotator angle at End (deg)OBSGet
AIRMASS %9.5f Averaged Air MassOBSNod? Point?
ZD %6.3f Zenith Distance at typical timeOBSNod? Point?
SECZ %6.3f SEC(Zenith Distance) at typical timeOBSNod? Point?
M_WINDOW%-8s MIRTOS dewar entrance windowMakeMake
M_M1MOT1%6d Beam Stearing Mirror Direction (count)Motor CtrlTBD
M_M1MOT2%6d Beam Stearing Mirror Direction (count)Motor CtrlTBD
M_M2MOT1%6d Beam Splitter Direction (count)Motor CtrlTBD
M_M2MOT2%6d Beam Splitter Direction (count)Motor CtrlTBD
FILTER01%-8s Filter name/IDFilter CtrlMove
FILTER02%-8s Filter name/IDFilter CtrlMove
FILTER03%-8s Lyot Stop name/IDStop CtrlMove
DETECTOR%-8s Name of the detector/CCD

DET-ID %2d ID of the detector used for this data

DETPXSZ1%5.3f Detector pixel size in axis1 (mm)

DETPXSZ2%5.3f Detector pixel size in axis2 (mm)

DET-A00 %6.3f Relative angle of nn-th detector (deg)

DET-TMP %5.2f Detector temperature (K) %%dLakeshoreTemplog
GAIN %8.2f AD conversion factor (electron/ADU)

PRD-MIN1%4d Start X pos. of partialy read out (pix)ClockGo
PRD-MIN2%4d Start Y pos. of partialy read out (pix)ClockGo
PRD-RNG1%4d X Range of partialy read out (pix)ClockGo
PRD-RNG2%4d Y Range of partialy read out (pix)ClockGo
BIN-FCT1%d Binning factor of X axis (pixel)Fixed
BIN-FCT2%d Binning factor of Y axis (pixel)Fixed
COMMENT === Beam: U(chop+,nod+) u(-,+) D(+,-) d(-,-) X(other) C(Cont)
M_BEAM %d Number of Beam Description M_BEAMnFixed
M_BEAM1 %-8.68s


M_BEAM2 %-8.68s


M_BEAM3 %-8.68s


M_BEAM4 %-8.68s


COMMENT === Beams are also described in Ascii table extension
WEATHER %-8s Weather condition

SEEING %8.2f Long integ PSF FWHM (arcsec)OBS?
DOM-WND %7.2f Wind speed in the dome (m/s)OBS?
OUT-WND %7.2f Wind speed outside (m/s)OBS?
DOM-TMP %4.1f Temperature measured in the dome (K) %%dOBS?
OUT-TMP %4.1f Temperature measured outside dome (K) %%dOBS?
DOM-HUM %5.3f Humidity measured in the domeOBS?
OUT-HUM %5.3f Humidity measured outside the domeOBS?
DOM-PRS %7.2f Atmospheric pressure in the Dome (hpa)OBS?
OUT-PRS %7.2f Atmospheric pressure outside dome (hPa)OBS?
COMMENT
COMMENT (: Subaru Device Dependent Header for MIRTOS :)
COMMENT
COMMENT === ID
M_CHID %-8.16sID of camera channel of MIRTOS

M_OBSID %-8.16sID of set of chop/nod observation

M_TWID %-8.16sID of two-wavelength simultaneous file

M_FLATID%-8.16sID of the most recent flat field file

M_DARKID%-8.16sID of the most recent dark exposure file

M_DETO1 %8.5f Rel X pos of CHN from CHN on sky (pixel)

M_DETO2 %8.5f Rel Y pos of CHN from CHN on sky (pixel)

COMMENT === Chopping and Nodding
M_CHOPTM%8.2f Chopping period (sec)ClockGo
M_CHOPTH%8.2f Chopping throw (arcsec)OBS??
M_CHOPPA%8.2f Chopping P.A. origin:source/pointing (deg)OBS??
M_NODTM %8.1f Nodding period (sec)Clock? OBS?Go
M_NODTH %8.2f Nodding throw (arcsec)OBS??
M_NODPA %8.2f Nodding P.A. origin:source/pointing (deg)OBS??
COMMENT === M_RF are Reference Square Corners in Pix, -1:NA 0:No ref in image
M_RFX1PP%d Corner 1 X for Chop+ Nod+??
M_RFY1PP%d Corner 1 Y for Chop+ Nod+??
M_RFX2PP%d Corner 2 X for Chop+ Nod+??
M_RFY2PP%d Corner 2 Y for Chop+ Nod+??
M_RFX1MP%d Corner 1 X for Chop- Nod+??
M_RFY1MP%d Corner 1 Y for Chop- Nod+??
M_RFX2MP%d Corner 2 X for Chop- Nod+??
M_RFY2MP%d Corner 2 Y for Chop- Nod+??
M_RFX1PM%d Corner 1 X for Chop+ Nod-??
M_RFY1PM%d Corner 1 Y for Chop+ Nod-??
M_RFX2PM%d Corner 2 X for Chop+ Nod-??
M_RFY2PM%d Corner 2 Y for Chop+ Nod-??
M_RFX1MM%d Corner 1 X for Chop- Nod-??
M_RFY1MM%d Corner 1 Y for Chop- Nod-??
M_RFX2MM%d Corner 2 X for Chop- Nod-??
M_RFY2MM%d Corner 2 Y for Chop- Nod-??
COMMENT === Temperature
M_O-TMP %4.1f Optics Temp(K) %%dLakeshoreTemplog
M_C-TMP1%4.1f CCC 1st stage(K) %%dThermoPC
M_C-TMP2%4.1f CCC 2nd stage(K) %%dThermoPC
M_A-TMP1%4.1f Ambient #1(K) %%dThermoPC
M_A-TMP2%4.1f Ambient #2(K) %%dThermoPC
M_A-TMP3%4.1f Ambient #3(K) %%dThermoPC
M_W-TMP %4.1f CCC Coolant Out (K) %%dThermoPC
M_W-CUR %4.1f CCC Coolant (l/min) %%dThermoPC
COMMENT === Clock
M_CLKFL %-8s Clock file nameLoadcpLoadcp
M_CLKMR %-8s Clock pattern marco name %%dGoGo
M_CLKMC %-8s Coment on clock pattern macroGoGo
M_PIXTIM%9.4G Clock duration for a pixel (sec)ClockGo
M_FRTIME%9.4f Time to sweep one frame (sec)ClockGo
M_CBANK %-8s Running clock bank when data was takenCPGGet
M_CEFCT %c Clock activity when data taken (T:Conv F:Idle)CPGGet
COMMENT === AMP
M_A-GAIN%d Wallace Instruments pre-amp gain

M_A-BWTH%d Wallace Instruments pre-amp BW(KHz)

COMMENT === FMC
M_JPORT %2d Jump port value when data got at %%dCPGGet
M_REFSUB%c Subtraction of reference column T:doneGetGet
M_ARRANG%-8.10sData sequence FITS/Raw-hardware versionGetGet
M_BANK %-8s Bank name where the data was storedGetGet
COMMENT == BlackBody
M_BBPOS %c Black Body Position T:In F:OutMotorctrl
M_BBTMP %4.1f Temperature of Black Body (K) %%dGetGet
END