Next: この文書について... Up: すばる望遠鏡の FITS キーワード Previous: キュー観測キーワード
各観測装置のFITSヘッダ例はハワイ観測所の Web サイト
https://www.naoj.org/Observing/fits/ja/header/inst_keywords/
からたどれる各装置のWebページを参照されたい。ここでは典型的な例としてHSCのヘッダ例をあげる。すばる望遠鏡 FITS 規約などと照合してみると興味深いであろう。
●HSC
https://www.naoj.org/Observing/Instruments/HSC/fits.html
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SIMPLE = T / conforms to FITS standard
BITPIX = 16 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 2144 / length of data axis 1
NAXIS2 = 4241 / length of data axis 2
EXTEND = F / FITS dataset may contain extensions
BUNIT = 'ADU ' / Unit of original pixel value
BSCALE = 1.00000000 / Default scaling factor
BZERO = 32768.00000000 / Offset data range to that of unsigned short
BLANK = -32768 / Value used for NULL pixels
TIMESYS = 'UTC ' / Time System used in the header
DATE-OBS= '2018-04-24' / [UTC] Observation start date (yyyy-mm-dd)
UT-STR = '07:59:23.053' / HH:MM:SS.S UTC at the start exposure time
HST-STR = '21:59:23.053' / HH:MM:SS.S HST at the beginning of exp.
LST-STR = '11:46:41.118' / HH:MM:SS.SSS LST at the beginning of exposure
MJD-STR = 58232.33290571 / [d] Mod.Julian Date at the start of exposure
UT = '07:59:23.082' / HH:MM:SS.S typical UTC at the exposure
HST = '21:59:23.082' / HH:MM:SS.S Typical HST at exposure
LST = '11:46:41.148' / HH:MM:SS.SSS Typical LST at exposure
MJD = 58232.33290605 / [d] Mod. Julian Date at typical time
UT-END = '07:59:54.806' / HH:MM:SS.S UTC at the end of the exposure
HST-END = '21:59:54.806' / HH:MM:SS.S HST at the end of exposure
LST-END = '11:47:12.958' / HH:MM:SS.SSS LST at the end of exposure
MJD-END = 58232.33327322 / [d] Mod.Julian Date at the end of exposure
ZD-STR = 17.93360 / [degree] Zenith Distance at exposure start tim
ZD-END = 17.94613 / [degree] Zenith Distance at exposure end time
SECZ-STR= 1.051 / SEC(Zenith Distance) at exposure start time
SECZ-END= 1.051 / SEC(Zenith Distance) at exposure end time
AIRMASS = 1.051 / Average airmass during exposure
AZIMUTH = 185.56174 / [degree] Azimuth of tel-pointing. 0:S->90:W
ALTITUDE= 72.06640 / [degree] Altitude ang. of telescope pointing
PROP-ID = 'o18406 ' / Proposal ID
OBSERVER= 'Terai, Takagi' / Names of the Observers
FRAMEID = 'HSCA14737600' / Image sequential number in archive
EXP-ID = 'HSCE00147376' / ID of exposure (shot) for this data
DATASET = 'NODATA ' / ID of dataset this data were taken
OBS-MOD = 'IMAG ' / Observation Mode
OBS-ALOC= 'Observation' / Allocation Mode
DATA-TYP= 'OBJECT ' / Characteristics of this data
OBJECT = 'SSP-Wide' / Object
RA = '11:38:52.855' / Right ascension of telescope pointing
DEC = '+02:04:30.02' / Declination of telescope pointing
RA2000 = '11:38:52.855' / Right ascension of telescope pointing (J2000)
DEC2000 = '+02:04:30.02' / Declination of telescope pointing (J2000)
RADESYS = 'FK5 ' / The equatorial coordinate system
EQUINOX = 2000.0 / [y] Equinox
CTYPE1 = 'RA---TAN' / Pixel coordinate system
CRPIX1 = -5343.5 / [pixel] Reference pixel in x
CRVAL1 = 174.72022917 / Physical value of the reference pixel in x
CUNIT1 = 'degree ' / Units used in both CRVAL1 and CD matrix
CTYPE2 = 'DEC--TAN' / Pixel coordinate system
CRPIX2 = 4128.5 / [pixel] Reference pixel in y
CRVAL2 = 2.07500556 / Physical value of the reference pixel in y
CUNIT2 = 'degree ' / Units used in both CRVAL2 and CD matrix
CD1_1 = 0.00000000 / Pixel Coordinate transformation matrix
CD1_2 = -0.00004722 / Pixel Coordinate transformation matrix
CD2_1 = 0.00004722 / Pixel Coordinate transformation matrix
CD2_2 = 0.00000000 / Pixel Coordinate transformation matrix
LONPOLE = 180.0 / [degree] The North Pole of standard system
WCS-ORIG= 'Rough estimation' / Origin/quality of the WCS values
OBSERVAT= 'NAOJ ' / Observatory
TELESCOP= 'Subaru ' / Telescope name
FOC-POS = 'PRIME ' / Position of the instrument focus unit
TELFOCUS= 'P_OPT2 ' / The Focus where beam reaches
FOC-VAL = 3.470 / [mm] Encoder value of the focus unit
FILTER01= 'HSC-z ' / Filter barcode
EXPTIME = 30.00 / [sec] Exposure time
INSTRUME= 'Hyper Suprime-Cam' / Name of instrument
DETECTOR= 'notSet ' / Name of the detector/CCD
DET-ID = 73 / Sequential number assigned for the entire CCDs
DET-TMP = -100.81 / [degC] CCD Temperature value
DET-TMED= 0.00 / [Kelvin] Median of the detector temperature
DET-TMIN= 0.00 / [Kelvin] Minimum of the detector temperature
DET-TMAX= 0.00 / [Kelvin] Maximum of the detector temperature
GAIN = 0.000 / [electron/ADU] AD conversion factor
BIN-FCT1= 1 / Binning factor of axis 1
BIN-FCT2= 1 / Binning factor of axis 2
DET-VER = 'notSet ' / Version of the detector control command
INS-VER = 'notSet ' / Version of the instrument (hard/soft)
WEATHER = 'Fine ' / Weather condition
SEEING = 0.00 / [arcsec] FWHM of the star at telescope focus
ADC-TYPE= 'LINK ' / ADC state
ADC-STR = 0.000 / [degree] ADC pos. ang. at the start of exposur
ADC-END = 0.000 / [degree] ADC pos. ang. at the end of exposure
INR-STR = 5.256 / [degree] Inst. rotator angle at start
INR-END = 5.659 / [degree] Inst. rotator angle at end
DOM-WND = 0.10 / [m/s] Wind speed in the dome/enclosure
OUT-WND = 2.20 / [m/s] Wind speed outside dome/enclosure
DOM-TMP = 278.85 / [Kelvin] Atm. temp. in the dome/enclosure
OUT-TMP = 276.35 / [Kelvin] Atm. temp. outside the dome/encl.
DOM-HUM = 22.9 / [%] Humidity in the dome
OUT-HUM = 20.7 / [%] Humidity outside the dome/encl.
DOM-PRS = 622.40 / [hPa] Atm. pressure in the dome
OUT-PRS = 622.40 / [hPa] Atm. press. outside the dome/encl.
INST-PA = 0.000 / [degree] Position Angle of the Instrument Flang
M2-POS1 = -2.710 / [mm] Stewart Platform x-value
M2-POS2 = -4.643 / [mm] Stewart Platform y-value
M2-POS3 = 5.014 / [mm] Stewart Platform z-value
M2-ANG1 = 1.000 / [arcmin] Stewart Platform x-rotation angle
M2-ANG2 = 2.500 / [arcmin] Stewart Platform y-rotation angle
M2-ANG3 = 0.000 / [arcmin] Stewart Platform z-rotation angle
MOON-ILL= 0.661 / Moon illumination at exposure start
MOON-SEP= 32.355 / [degree] Moon seperation at exposure start
MOON-EL = 59.292 / [degree] Moon Elevation at exposure start
OB-ID = 'Chunk23_z1' / Que: Observing Block ID
OB-COUNT= 1 / Que: Number of observing block repetition
PROP-PI = 'Satoshi Miyazaki' / Que: Name of proposal PI
REQ-FWHM= 1.100 / [arcsec] Que: Requested seeing size
REQ-TRAN= 0.700 / Que: Requested transparency
REQ-MPHA= 'dark+gray' / Que: Requested Moon phase
REQ-MSEP= 30.000 / [degree] Que: Requested Moon seperation
RAWPIREQ= F / Que: PI Requirements Met
RAWSUBQA= 'Pending ' / Que: Subaru Quality Assessment
COMMENT ------------------------------------------------------------
COMMENT ------------- PARAMETERS FOR HYPER SUPRIME_CAM -------------
COMMENT ------------------------------------------------------------
T_HEDVER= '116 CCDs for Summit4' / 2014/03/06 Updated by Utsumi, Y.
T_CFGFIL= '20160330.cfg' / Configuration for formatting FITS data
T_UFNAME= '/raid/S18A/20180423/object068_0_00.fits' / Original filename
T_NFRAME= 112 / Number of total frames
T_BEEID = 0 / ID for BEE used for CCD readout
T_SDOID = 0 / SDO-ID of CCD
T_GAIN1 = 3.620 / Gain for channel 1
T_GAIN2 = 3.590 / Gain for channel 2
T_GAIN3 = 3.840 / Gain for channel 3
T_GAIN4 = 3.970 / Gain for channel 4
T_CCDID = 'undefined' / Name of CCD
T_CCDSN = '099 ' / CCD Serial Number
T_CCDTV = -100.81 / [degC] CCD Temperature value
T_CCDTM = '21:59:48' / CCD Temperature retrieve time
T_XFLIP = F / CCD readout is x-flipped when create image
T_YFLIP = F / CCD readout is y-flipped when create image
T_SHTDIR= 2 / The number shows which screen moved
T_AG = F / AG Exposure
T_M2OFF1= -1.800 / [mm] Stewart Platform offset in x
T_M2OFF2= -2.600 / [mm] Stewart Platform offset in y
T_M2OFF3= 3.470 / [mm] Stewart Platform offset in z
T_PROG = 'SSP-Wide' / Name of research program
T_PNTGID= 'W-04-010261-01-00000' / Pointing ID of this exposure
T_PURPOS= 'CALIB_PHOTM' / Purpose of this exposure
T_DATSET= 'NODATA ' / Dataset to which this exposure belongs
T_SEEING= 0.00 / [arcsec] Average seeing for an exposure
T_TRANSP= 0.000 / Transparency measured from SDSS field
T_MAGZER= 0.000 / [mag/sec/ADU] Magnitude zero point (ZP)
T_SCOUNT= 0.000 / [ADU] Sky level
T_WEATHR= 'Unknown ' / Weather condition from HSC on-site QA system
T_PSFELL= 0.000 / Ellipticity of PFS
T_PSFPA = 0.000 / [degree] Direction of semi-major axis of PFS
T_NOBJ = 0 / Number of objects detected
T_WCSRMS= 0.000 / Fitting error in temporary WCS correction
T_ZPRMS = 0.000 / Fitting error in temporary magnitude zeropoint
T_N_WCS = 0.000 / Number of objects in temporary WCS correction
T_N_ZP = 0.000 / Number of objects used for correction of ZP
T_FOCOFF= 0.000 / [mm] Offset of focus position from the best foc
T_OSLVL = 0.000 / [ADU] Overscan level
T_FLTNSS= 0.000 / [%] Flatness of sky level after flat fielding
T_PHOT = 'TBD ' / Frame for photometric calibration
T_BIAS = 'TBD ' / Frame for bias correction
T_DARK = 'TBD ' / Frame for dark correction
T_DOME = 'TBD ' / Frame for domeflat
T_SKY = 'TBD ' / Frame for skyflat
T_OSMN11= 521 / MIN pixel of x-overscan region for ch1
T_OSMX11= 536 / MAX pixel of x-overscan region for ch1
T_EFMN11= 9 / MIN pixel of x-effective range for ch1
T_EFMX11= 520 / MAX pixel of x-effective range for ch1
T_OSMN12= 4226 / MIN pixel of y-overscan region for ch1
T_OSMX12= 4241 / MAX pixel of y-overscan region for ch1
T_EFMN12= 50 / MIN pixel of y-effective range for ch1
T_EFMX12= 4225 / MAX pixel of y-effective range for ch1
T_OSMN21= 537 / MIN pixel of x-overscan region for ch2
T_OSMX21= 552 / MAX pixel of x-overscan region for ch2
T_EFMN21= 553 / MIN pixel of x-effective range for ch2
T_EFMX21= 1064 / MAX pixel of x-effective range for ch2
T_OSMN22= 4226 / MIN pixel of y-overscan region for ch2
T_OSMX22= 4241 / MAX pixel of y-overscan region for ch2
T_EFMN22= 50 / MIN pixel of y-effective range for ch2
T_EFMX22= 4225 / MAX pixel of y-effective range for ch2
T_OSMN31= 1593 / MIN pixel of x-overscan region for ch3
T_OSMX31= 1608 / MAX pixel of x-overscan region for ch3
T_EFMN31= 1081 / MIN pixel of x-effective range for ch3
T_EFMX31= 1592 / MAX pixel of x-effective range for ch3
T_OSMN32= 4226 / MIN pixel of y-overscan region for ch3
T_OSMX32= 4241 / MAX pixel of y-overscan region for ch3
T_EFMN32= 50 / MIN pixel of y-effective range for ch3
T_EFMX32= 4225 / MAX pixel of y-effective range for ch3
T_OSMN41= 1609 / MIN pixel of x-overscan region for ch4
T_OSMX41= 1624 / MAX pixel of x-overscan region for ch4
T_EFMN41= 1625 / MIN pixel of x-effective range for ch4
T_EFMX41= 2136 / MAX pixel of x-effective range for ch4
T_OSMN42= 4226 / MIN pixel of y-overscan region for ch4
T_OSMX42= 4241 / MAX pixel of y-overscan region for ch4
T_EFMN42= 50 / MIN pixel of y-effective range for ch4
T_EFMX42= 4225 / MAX pixel of y-effective range for ch4
END
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2019©
国立天文台 天文データセンター FITS の手引き 第7.0版 2019年2月12日 第1刷 発行
編著者: 金光理 (ｋａｎａｍｉｔｕ＠ｆｕｋｕｏｋａ－ｅｄｕ．ａｃ．ｊｐ) (代表) 監修者: 天文情報処理研究会(ｊａｉｐａ＠ｏｏｚａｋａ．ｄｃ．ｎａｏ．ａｃ．ｊｐ) 発行者: 国立天文台 天文データセンター
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