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 / Default scaling factor BZERO = 32768 / 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= '2020-10-09' / [UTC] Observation start date (yyyy-mm-dd) UT-STR = '03:44:56.062' / HH:MM:SS.S UTC at the start exposure time HST-STR = '17:44:56.062' / HH:MM:SS.S HST at the beginning of exp. LST-STR = '18:35:55.604' / HH:MM:SS.SSS LST at the beginning of exposure MJD-STR = 59131.15620442 / [d] Mod.Julian Date at the start of exposure UT = '03:44:56.092' / HH:MM:SS.S typical UTC at the exposure HST = '17:44:56.092' / HH:MM:SS.S Typical HST at exposure LST = '18:35:55.634' / HH:MM:SS.SSS Typical LST at exposure MJD = 59131.15620477 / [d] Mod. Julian Date at typical time UT-END = '03:44:56.521' / HH:MM:SS.S UTC at the end of the exposure HST-END = '17:44:56.521' / HH:MM:SS.S HST at the end of exposure LST-END = '18:35:56.064' / HH:MM:SS.SSS LST at the end of exposure MJD-END = 59131.15620973 / [d] Mod.Julian Date at the end of exposure ZD-STR = 0.05303 / [degree] Zenith Distance at exposure start tim ZD-END = 0.05302 / [degree] Zenith Distance at exposure end time SECZ-STR= 1.000 / SEC(Zenith Distance) at exposure start time SECZ-END= 1.000 / SEC(Zenith Distance) at exposure end time AIRMASS = 1.000 / Average airmass during exposure AZIMUTH = 90.02626 / [degree] Azimuth of tel-pointing. 0:N->90:E ALTITUDE= 89.94697 / [degree] Altitude ang. of telescope pointing PROP-ID = 'o20600 ' / Proposal ID OBSERVER= 'Wahl, Neugarten, Takagi' / Names of the Observers FRAMEID = 'HSCA22777000' / Image sequential number in archive EXP-ID = 'HSCE00227770' / ID of exposure (shot) for this data DATASET = 'NODATA ' / ID of dataset this data were taken OBS-MOD = 'IMAG_LAUNCHER' / Observation Mode OBS-ALOC= 'Observation' / Allocation Mode OBS-MTHD= 'Classical' / Observation Method DATA-TYP= 'BIAS ' / Characteristics of this data OBJECT = 'BIAS ' / Object RA = '18:35:14.516' / Right ascension of telescope pointing DEC = '+19:48:26.87' / Declination of telescope pointing RA2000 = '18:35:14.516' / Right ascension of telescope pointing (J2000) DEC2000 = '+19:48:26.87' / 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 = 278.81048333 / 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 = 19.80746389 / Physical value of the reference pixel in y CUNIT2 = 'degree ' / Units used in both CRVAL2 and CD matrix CD1_1 = -0.00004722 / Pixel Coordinate transformation matrix CD1_2 = 0.00000025 / Pixel Coordinate transformation matrix CD2_1 = -0.00000025 / Pixel Coordinate transformation matrix CD2_2 = -0.00004722 / 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 = 3.750 / [mm] Encoder value of the focus unit FILTER01= 'HSC-z ' / Filter barcode EXPTIME = 0.00 / [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 = -101.20 / [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 = 'HSC-20201008' / 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 = -0.001 / [degree] Inst. rotator angle at start INR-END = -0.001 / [degree] Inst. rotator angle at end DOM-WND = 0.00 / [m/s] Wind speed in the dome/enclosure OUT-WND = 2.20 / [m/s] Wind speed outside dome/enclosure DOM-TMP = 279.25 / [Kelvin] Atm. temp. in the dome/enclosure OUT-TMP = 278.65 / [Kelvin] Atm. temp. outside the dome/encl. DOM-HUM = 46.6 / [%] Humidity in the dome OUT-HUM = 46.9 / [%] Humidity outside the dome/encl. DOM-PRS = 620.70 / [hPa] Atm. pressure in the dome OUT-PRS = 620.70 / [hPa] Atm. press. outside the dome/encl. INST-PA = 90.306 / [degree] Position Angle of the Instrument Flang M2-POS1 = -2.776 / [mm] Stewart Platform x-value M2-POS2 = -5.041 / [mm] Stewart Platform y-value M2-POS3 = 5.595 / [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= 0.589 / Moon illumination at exposure start MOON-SEP= 136.240 / [degree] Moon seperation at exposure start MOON-EL = -46.243 / [degree] Moon Elevation at exposure start OB-ID = 'None ' / Queue: Observing Block ID OB-COUNT= 0 / Queue: Number of observing block repetition PROP-PI = 'None ' / Queue: Name of proposal PI REQ-FWHM= -9999.990 / [arcsec] Queue: Requested seeing size REQ-TRAN= -9999.990 / Queue: Requested transparency REQ-MPHA= '-9999.99' / Queue: Requested Moon phase REQ-MSEP= -9999.990 / [degree] Queue: Requested Moon seperation RAWPIREQ= F / Queue: PI Requirements Met RAWSUBQA= 'Pending ' / Queue: Subaru Quality Assessment CHECKSUM= 'b6lhe3kfb3kfb3kf' / HDU checksums updated 2020-10-09T03:45:30 DATASUM = '705957610' / data unit checksum updated 2020-10-09T03:45:30 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/S20B/20201008/bias000_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 = -101.20 / [degC] CCD Temperature value T_CCDTM = '17:43:44' / 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= 0 / 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= 3.750 / [mm] Stewart Platform offset in z T_PROG = 'NODATA ' / Name of research program T_PNTGID= 'NODATA ' / Pointing ID of this exposure T_PURPOS= 'TEST ' / Purpose of this exposure T_DATSET= 'NODATA ' / Dataset to which this exposure belongs T_SEEING= -9999.99 / [arcsec] Average seeing for an exposure T_TRANSP= -9999.999 / Transparency measured from SDSS field T_MAGZER= -9999.999 / [mag/sec/ADU] Magnitude zero point (ZP) T_SCOUNT= -9999.999 / [ADU] Sky level T_WEATHR= 'Unknown ' / Weather condition from HSC on-site QA system T_PSFELL= -9999.999 / Ellipticity of PSF T_PSFPA = -9999.999 / [degree] Direction of semi-major axis of PSF T_NOBJ = -9999 / Number of objects detected T_WCSRMS= -9999.999 / Fitting error in temporary WCS correction T_ZPRMS = -9999.999 / Fitting error in temporary magnitude zeropoint T_N_WCS = -9999 / Number of objects in temporary WCS correction T_N_ZP = -9999 / Number of objects used for correction of ZP T_FOCOFF= -9999.999 / [mm] Offset of focus position from the best foc T_OSLVL = -9999.999 / [ADU] Overscan level T_FLTNSS= -9999.999 / [%] Flatness of sky level after flat fielding T_PHOT = 'NODATA ' / Frame for photometric calibration T_BIAS = 'NODATA ' / Frame for bias correction T_DARK = 'NODATA ' / Frame for dark correction T_DOME = 'NODATA ' / Frame for domeflat T_SKY = 'NODATA ' / 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