--- 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 = '3aJ33Y923aG23Y92' / HDU checksum updated 2018-09-30T18:23:34
DATASUM = '         0' / data unit checksum updated 2018-09-30T18:23:34
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 24 / width of table in bytes
NAXIS2 = 4032 / number of rows in table
PCOUNT = 10141015 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 3 / number of fields in each row
TTYPE1 = 'COMPRESSED_DATA' / label for field 1
TFORM1 = '1PB(2634)' / 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 = '17:29:43.74' / right ascension (2000.)
DEC-OBS = '+48:44:59.3' / declination
CCD_NO = 3
DATE-OBS = '2017-04-30' / UTC shutter opened
TIME-OBS = '10:01:02.695' / UTC at start of exposure
TIMESYS = 'UTC' / Time system
EXPTIME = 68.268 / Exposure time (seconds)
HA = '-00:21:20' / hour angle
ST = '17:08:48' / local siderial time
EPOCH = 2015.0 / equinox of RA and DEC
FILTER = 'bokr' / Filter name
FOCUSVAL = '*0.800*0.629*0.688' / Focus
OBJECT = '25963'
IMAGETYP = 'object'
INSTRUME = '90prime' / Instrument name
RDNOISE = '12.3 9.81 10.8 9.88' / (e-) for hdu id: 9 10 11 12
GAINONE = '1.50 1.61 1.49 1.66' / (e-/DN) for hdu id: 9 10 11 12
GAIN = 68.268 / exptime as gain
FILENAME = 'TempImage2402.fits' / FLATFILE
OBSERVER = 'Zhimin Zhou, Junjie Jin, Fengwu Sun' / OPERATOR='None'
SITEELEV = '2120' / SITELAT = '31:58.8' SITELONG = '-111:36.0'
CAMTEMP = -135.352 / Camera temperature in C
DEWTEMP = -193.009 / Dewar temperature in C
READ_SPD = '38' / 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=253.89
CTYPE2 = 'DEC--TAN' / b_sun=71.77
CRVAL1 = 262.4320972632 / l_gal=75.33
CRVAL2 = 48.74840452676 / b_gal=33.2
CRPIX1 = -187.2846523932 / Azimuth=11.98
CRPIX2 = -109.9097646673 / Altitude=72.77
CD1_1 = -0.0001257485351293 / Coordinate matrix
CD1_2 = 8.607121878188E-07 / Coordinate matrix
CD2_1 = 4.296969294379E-07 / Coordinate matrix
CD2_2 = 0.0001257661237588 / Coordinate matrix
AIRMASS = 1.047
MPHASE = 21.3 / Define the length of Moon_Month 29.53d
MAZIMUTH = 338.75 / Moon Azimuth is measured from south thr. west
MALITIUD = -36.79 / both units in degrees
MANGLE = 111.93 / Position angle of Moon to CCD_Field center
SKY = 11.509 / (e-/s per pixel)
SKYRMS = 0.485
SATURATE = 878.889 / 40000adu*gain/exptime
MJD_OBS = 57873.41739
ORIGIN = 3.0 / BASS Image Process Version
ARTIFACT = 'Y' / Artifact was done
HASSAT = F / Has satellite correction
NUM_COSM = 1528 / Cosmicray Number
BASS-TLM = '2018-09-30T10:40:42' / 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 = 7841 / dithering offset when quantizing floats
CHECKSUM = 'QaahQXVhQaahQWUh' / HDU checksum updated 2019-05-08T11:39:45
DATASUM = '2443221244' / data unit checksum updated 2019-05-08T11:39:45
ZHECKSUM = 'CdSSEbQQCbQQCbQQ' / HDU checksum updated 2018-11-30T17:04:10
ZDATASUM = '2799227268' / data unit checksum updated 2018-10-09T21:43:31
RADESYS = 'ICRS' / Astrometric system
CUNIT1 = 'deg' / Axis unit
CUNIT2 = 'deg' / Axis unit
PV1_0 = 0.0009292093382956 / Projection distortion parameter
PV1_1 = 1.004758746117 / Projection distortion parameter
PV1_2 = -0.001844379402996 / Projection distortion parameter
PV1_4 = 0.0001795996254139 / Projection distortion parameter
PV1_5 = -0.001134109901587 / Projection distortion parameter
PV1_6 = 0.0004569119827464 / Projection distortion parameter
PV1_7 = -0.01302213678549 / Projection distortion parameter
PV1_8 = -0.002913033567982 / Projection distortion parameter
PV1_9 = -0.01167003432392 / Projection distortion parameter
PV1_10 = -0.001397024020475 / Projection distortion parameter
PV1_12 = 0.0002437450787251 / Projection distortion parameter
PV1_13 = -0.002459401131455 / Projection distortion parameter
PV1_14 = 0.002656474030337 / Projection distortion parameter
PV1_15 = -0.001241519543296 / Projection distortion parameter
PV1_16 = 0.001276238167919 / Projection distortion parameter
PV2_0 = -0.0008812052089911 / Projection distortion parameter
PV2_1 = 1.004609559687 / Projection distortion parameter
PV2_2 = -0.00173584536534 / Projection distortion parameter
PV2_4 = -0.0004059923889605 / Projection distortion parameter
PV2_5 = 0.0007350505247045 / Projection distortion parameter
PV2_6 = -5.117957631498E-05 / Projection distortion parameter
PV2_7 = -0.01331681086876 / Projection distortion parameter
PV2_8 = -0.003302738339555 / Projection distortion parameter
PV2_9 = -0.01220771020292 / Projection distortion parameter
PV2_10 = 0.0003693967232141 / Projection distortion parameter
PV2_12 = -3.504334855066E-05 / Projection distortion parameter
PV2_13 = 0.00370027439271 / Projection distortion parameter
PV2_14 = -0.001595443641142 / Projection distortion parameter
PV2_15 = 0.001366471007701 / Projection distortion parameter
PV2_16 = 0.0005644126569557 / 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 = 0.01464815140329 / 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 = 25.7419 / zero point for CCD
CCDZPTA = 25.7287 / zero point for CCD ampA [1:2016,1:2048]
CCDZPTB = 25.7409 / zero point for CCD ampB [2017:4032,1:2048]
CCDZPTC = 25.7497 / zero point for CCD ampC [1:2016, 2049,4096]
CCDZPTD = 25.7475 / zero point for CCD ampD [2017:4032,2049:4096]
CCDPHOFF = 25.7419 / photometric offset of the matched stars
CCDPHRMS = 0.0261 / zpt rms of the matched objects in CCD
PHRMSA = 0.0229 / zpt rms of the matched objects in CCD ampA
PHRMSB = 0.0238 / zpt rms of the matched objects in CCD ampB
PHRMSC = 0.0279 / zpt rms of the matched objects in CCD ampC
PHRMSD = 0.0267 / zpt rms of the matched objects in CCD ampD
APER_R = 13.0 / (pixels) photo-aperture radius
FWHM = 2.5549 / FWHM in pixel
SEEING = 1.1599 / seeing in arcsec
RAOFF = -0.0963 / median positional offset from PS1, in arcsec
DECOFF = -0.0545 / median positional offset from PS1, in arcsec
TRANS = 0.7917999999999999 / median transparency.
CCDNSTAR = 11810.0 / total number of stars detected on a CCD
NMATCH = 779.0 / total number of matched stars in 2 arcsec
NMATCHA = 193.0 / number of matched stars in CCD ampA
NMATCHB = 192.0 / number of matched stars in CCD ampB
NMATCHC = 202.0 / number of matched stars in CCD ampC
NMATCHD = 192.0 / number of matched stars in CCD ampD
MDNCOL = 1.0957 / 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 = 0.0486 / E(B-V) from SFD1998
MLIM = 23.03 / magnitude limiting of 5-sigma galaxy detection
CALI_V = '3.0.1' / version of calibration code
INT_ZPT = 25.7434 / zpt from internal calibration
INT_STD = 0.0299 / sigma for zpt from internal calibration
INT_NUM = 3900.0 / number of stars used in internal calibration
HISTORY Astrometric solution by SCAMP version 2.0.4 (2016-11-04)
COMMENT (c) 2010-2013 IAP/CNRS/UPMC