--- header unit 0: primary ---
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 0 / number of data axes
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
CHECKSUM = 'oeC6rZ93obA3oZ93' / HDU checksum updated 2018-09-29T23:28:13
DATASUM = '         0' / data unit checksum updated 2018-09-29T23:28:13
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 32 / width of table in bytes
NAXIS2 = 4032 / number of rows in table
PCOUNT = 9998253 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 4 / number of fields in each row
TTYPE1 = 'COMPRESSED_DATA' / label for field 1
TFORM1 = '1PB(2576)' / data format of field: variable length array
TTYPE2 = 'ZSCALE' / label for field 2
TFORM2 = '1D' / data format of field: 8-byte DOUBLE
TTYPE3 = 'ZZERO' / label for field 3
TFORM3 = '1D' / data format of field: 8-byte DOUBLE
ZIMAGE = T / extension contains compressed image
ZTILE1 = 4096 / size of tiles to be compressed
ZTILE2 = 1 / size of tiles to be compressed
ZCMPTYPE = 'RICE_ONE' / compression algorithm
ZNAME1 = 'BLOCKSIZE' / compression block size
ZVAL1 = 32 / pixels per block
ZNAME2 = 'BYTEPIX' / bytes per pixel (1, 2, 4, or 8)
ZVAL2 = 4 / bytes per pixel (1, 2, 4, or 8)
EXTNAME = 'COMPRESSED_IMAGE'
ZSIMPLE = T / conforms to FITS standard
ZBITPIX = -32 / Bits per pixel
ZNAXIS = 2 / number of array dimensions
ZNAXIS1 = 4096
ZNAXIS2 = 4032
RADEC = 'Y' / Get RADEC from telescope or not
RA-OBS = '10:58:09.10' / right ascension (2000.)
DEC-OBS = '+55:15:00.2' / declination
CCD_NO = 4
DATE-OBS = '2017-03-25' / UTC shutter opened
TIME-OBS = '07:08:46.027' / UTC at start of exposure
TIMESYS = 'UTC' / Time system
EXPTIME = 91.006 / Exposure time (seconds)
HA = '+00:55:04' / hour angle
ST = '11:54:06' / local siderial time
EPOCH = 2015.0 / equinox of RA and DEC
FILTER = 'bokr' / Filter name
FOCUSVAL = '*0.839*0.683*0.761' / Focus
OBJECT = '32112'
IMAGETYP = 'object'
INSTRUME = '90prime' / Instrument name
RDNOISE = '10.5 10.0 7.72 8.56' / (e-) for hdu id: 13 14 15 16
GAINONE = '1.60 1.59 1.59 1.67' / (e-/DN) for hdu id: 13 14 15 16
GAIN = 91.006 / exptime as gain
FILENAME = 'TempImage2402.fits' / FLATFILE
OBSERVER = 'Jiali Wang, Liming Rui, Tianmeng Zhang' / OPERATOR='None'
SITEELEV = '2120' / SITELAT = '31:58.8' SITELONG = '-111:36.0'
CAMTEMP = -135.398 / Camera temperature in C
DEWTEMP = -192.905 / Dewar temperature in C
READ_SPD = '138' / Readout speed (kpixel/sec/amp)
TEMPS1 = '' / Temps
WEATHER0 = '' / WIND_SPEED_MPH
COMMENT ==================================================================
COMMENT WCS
COMMENT ==================================================================
EQUINOX = 2000.0 / Equinox of WCS
WCSDIM = 2 / WCS Dimensionality
CTYPE1 = 'RA---TAN' / l_sun=139.68
CTYPE2 = 'DEC--TAN' / b_sun=43.9
CRVAL1 = 164.5376884709 / l_gal=151.22
CRVAL2 = 55.24826654188 / b_gal=55.21
CRPIX1 = -185.23752948 / Azimuth=341.37
CRPIX2 = 4077.694413501 / Altitude=64.89
CD1_1 = -0.0001257364928491 / Coordinate matrix
CD1_2 = 4.613081852653E-07 / Coordinate matrix
CD2_1 = 8.816124586046E-07 / Coordinate matrix
CD2_2 = 0.0001257846800902 / Coordinate matrix
AIRMASS = 1.104
MPHASE = 9.800000000000001 / Define the length of Moon_Month 29.53d
MAZIMUTH = 58.24 / Moon Azimuth is measured from south thr. west
MALITIUD = -57.57 / both units in degrees
MANGLE = 135.44 / Position angle of Moon to CCD_Field center
SKY = 8.865 / (e-/s per pixel)
SKYRMS = 0.343
SATURATE = 659.297 / 40000adu*gain/exptime
MJD_OBS = 57837.29775
ORIGIN = 3.0 / BASS Image Process Version
ARTIFACT = 'Y' / Artifact was done
HASSAT = F / Has satellite correction
NUM_COSM = 555 / Cosmicray Number
BASS-TLM = '2018-09-29T17:38:33' / Time of last modification
ZQUANTIZ = 'SUBTRACTIVE_DITHER_2' / Pixel Quantization Algorithm
HISTORY Image was compressed by CFITSIO using scaled integer quantization:
HISTORY q = 4.000000 / quantized level scaling parameter
HISTORY 'SUBTRACTIVE_DITHER_2' / Pixel Quantization Algorithm
ZDITHER0 = 3712 / dithering offset when quantizing floats
TTYPE4 = 'GZIP_COMPRESSED_DATA' / label for field
TFORM4 = '1PB(107)' / format of field
CHECKSUM = 'QrNRQoKRQoKRQoKR' / HDU checksum updated 2018-11-30T18:32:45
DATASUM = '640914693' / data unit checksum updated 2018-11-30T18:32:45
ZHECKSUM = 'bKa4cHa3bHa3bHa3' / HDU checksum updated 2018-11-30T10:32:44
ZDATASUM = '1419934793' / data unit checksum updated 2018-10-09T19:24:20
RADESYS = 'ICRS' / Astrometric system
CUNIT1 = 'deg' / Axis unit
CUNIT2 = 'deg' / Axis unit
PV1_0 = 0.000881440490429 / Projection distortion parameter
PV1_1 = 1.004576726802 / Projection distortion parameter
PV1_2 = 0.001655123815049 / Projection distortion parameter
PV1_4 = -0.0002991545650398 / Projection distortion parameter
PV1_5 = -0.0002726676274427 / Projection distortion parameter
PV1_6 = 0.0005073656191809 / Projection distortion parameter
PV1_7 = -0.01373841074626 / Projection distortion parameter
PV1_8 = 0.0003817589803296 / Projection distortion parameter
PV1_9 = -0.0141675502883 / Projection distortion parameter
PV1_10 = 0.002622857964258 / Projection distortion parameter
PV1_12 = -1.39601408398E-05 / Projection distortion parameter
PV1_13 = 0.0007429049654505 / Projection distortion parameter
PV1_14 = 0.001267306376116 / Projection distortion parameter
PV1_15 = -0.001240444977283 / Projection distortion parameter
PV1_16 = 0.00338482915248 / Projection distortion parameter
PV2_0 = 0.0007772624926473 / Projection distortion parameter
PV2_1 = 1.004184835179 / Projection distortion parameter
PV2_2 = 0.001762569988785 / Projection distortion parameter
PV2_4 = -8.304106122161E-05 / Projection distortion parameter
PV2_5 = 0.0002842132707836 / Projection distortion parameter
PV2_6 = -7.57169110831E-05 / Projection distortion parameter
PV2_7 = -0.012059888424 / Projection distortion parameter
PV2_8 = 0.0005807684300372 / Projection distortion parameter
PV2_9 = -0.01216942193628 / Projection distortion parameter
PV2_10 = -0.0007197417415517 / Projection distortion parameter
PV2_12 = 0.002287319382354 / Projection distortion parameter
PV2_13 = 0.0004780701773308 / Projection distortion parameter
PV2_14 = 0.002161367953926 / Projection distortion parameter
PV2_15 = 0.000982534734750800 / Projection distortion parameter
PV2_16 = -0.0008264208609335 / Projection distortion parameter
FGROUPNO = 1 / SCAMP field group label
ASTIRMS1 = 0.0 / Astrom. dispersion RMS (intern., high S/N)
ASTIRMS2 = 0.0 / Astrom. dispersion RMS (intern., high S/N)
ASTRRMS1 = 0.0 / Astrom. dispersion RMS (ref., high S/N)
ASTRRMS2 = 0.0 / Astrom. dispersion RMS (ref., high S/N)
ASTINST = 1 / SCAMP astrometric instrument label
FLXSCALE = 0.01098828648661 / SCAMP relative flux scale
MAGZEROP = 0.0 / SCAMP zero-point
PHOTIRMS = 0.0 / mag dispersion RMS (internal, high S/N)
PHOTINST = 1 / SCAMP photometric instrument label
PHOTLINK = F / True if linked to a photometric field
CALI_REF = 'PS1' / the reference database for calibration
CCDZPT = 25.7368 / zero point for CCD
CCDZPTA = 25.7416 / zero point for CCD ampA [1:2016,1:2048]
CCDZPTB = 25.749 / zero point for CCD ampB [2017:4032,1:2048]
CCDZPTC = 25.7215 / zero point for CCD ampC [1:2016, 2049,4096]
CCDZPTD = 25.7372 / zero point for CCD ampD [2017:4032,2049:4096]
CCDPHOFF = 25.7368 / photometric offset of the matched stars
CCDPHRMS = 0.026 / zpt rms of the matched objects in CCD
PHRMSA = 0.0215 / zpt rms of the matched objects in CCD ampA
PHRMSB = 0.0329 / zpt rms of the matched objects in CCD ampB
PHRMSC = 0.0314 / zpt rms of the matched objects in CCD ampC
PHRMSD = 0.0163 / zpt rms of the matched objects in CCD ampD
APER_R = 13.0 / (pixels) photo-aperture radius
FWHM = 3.4285 / FWHM in pixel
SEEING = 1.5565 / seeing in arcsec
RAOFF = -0.0314 / median positional offset from PS1, in arcsec
DECOFF = -0.09520000000000001 / median positional offset from PS1, in arcsec
TRANS = 0.7922 / median transparency.
CCDNSTAR = 10084.0 / total number of stars detected on a CCD
NMATCH = 203.0 / total number of matched stars in 2 arcsec
NMATCHA = 53.0 / number of matched stars in CCD ampA
NMATCHB = 40.0 / number of matched stars in CCD ampB
NMATCHC = 53.0 / number of matched stars in CCD ampC
NMATCHD = 57.0 / number of matched stars in CCD ampD
MDNCOL = 1.6039 / median (g-i) color of matched stars in CCD
COLT_PAR = '-0.009667,0.028089,-0.076505,0.002433' / par.in [gi^3,gi^2,gi^1,gi^0]
EBV = 0.0089 / E(B-V) from SFD1998
MLIM = 23.2 / magnitude limiting of 5-sigma galaxy detection
CALI_V = '3.0.1' / version of calibration code
HISTORY Astrometric solution by SCAMP version 2.0.4 (2016-11-04)
COMMENT (c) 2010-2013 IAP/CNRS/UPMC