--- 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 = '2aH44Y912aG12W91' / HDU checksum updated 2018-09-26T06:32:18
DATASUM = '         0' / data unit checksum updated 2018-09-26T06:32:18
--- 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 = 10271843 / 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(2681)' / 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 = '06:44:26.14' / right ascension (2000.)
DEC-OBS = '+45:15:00.4' / declination
CCD_NO = 4
DATE-OBS = '2018-03-20' / UTC shutter opened
TIME-OBS = '03:50:09.582' / UTC at start of exposure
TIMESYS = 'UTC' / Time system
EXPTIME = 240.0 / Exposure time (seconds)
HA = '+01:28:24' / hour angle
ST = '08:14:03' / local siderial time
EPOCH = 2015.0 / equinox of RA and DEC
FILTER = 'bokr' / Filter name
FOCUSVAL = '*0.434*0.429*0.498' / Focus
OBJECT = '62462'
IMAGETYP = 'object'
INSTRUME = '90prime' / Instrument name
RDNOISE = '10.1 8.56 7.75 8.26' / (e-) for hdu id: 13 14 15 16
GAINONE = '1.66 1.64 1.63 1.71' / (e-/DN) for hdu id: 13 14 15 16
GAIN = 240.0 / exptime as gain
FILENAME = 'TempImage2402.fits' / FLATFILE
OBSERVER = 'Hu Zou, Zhimin Zhou' / OPERATOR='None'
SITEELEV = '2120' / SITELAT = '31:58.8' SITELONG = '-111:36.0'
CAMTEMP = -135.2 / Camera temperature in C
DEWTEMP = -192.073 / 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=98.42
CTYPE2 = 'DEC--TAN' / b_sun=22.14
CRVAL1 = 101.1087735728 / l_gal=170.56
CRVAL2 = 45.24888330735 / b_gal=17.74
CRPIX1 = -187.6749273659 / Azimuth=314.05
CRPIX2 = 4087.154560677 / Altitude=68.34
CD1_1 = -0.0001258417521007 / Coordinate matrix
CD1_2 = 4.496505244021E-07 / Coordinate matrix
CD2_1 = 7.973577340316E-07 / Coordinate matrix
CD2_2 = 0.0001258713749864 / Coordinate matrix
AIRMASS = 1.076
MPHASE = 7.8 / Define the length of Moon_Month 29.53d
MAZIMUTH = 277.48 / Moon Azimuth is measured from south thr. west
MALITIUD = 1.21 / both units in degrees
MANGLE = 71.93000000000001 / Position angle of Moon to CCD_Field center
SKY = 15.915 / (e-/s per pixel)
SKYRMS = 0.309
SATURATE = 250.0 / 40000adu*gain/exptime
MJD_OBS = 58197.15983
ORIGIN = 3.0 / BASS Image Process Version
ARTIFACT = 'Y' / Artifact was done
HASSAT = F / Has satellite correction
NUM_COSM = 3772 / Cosmicray Number
BASS-TLM = '2018-09-26T01:01:52' / 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 = 1471 / dithering offset when quantizing floats
CHECKSUM = 'W9QUa9QRW9QRa9QR' / HDU checksum updated 2019-05-08T16:25:32
DATASUM = '1776200757' / data unit checksum updated 2019-05-08T16:25:32
ZHECKSUM = 'fXdAiWc3fWc9fWc9' / HDU checksum updated 2018-12-01T02:31:35
ZDATASUM = '15044843' / data unit checksum updated 2018-10-10T09:04:48
RADESYS = 'ICRS' / Astrometric system
CUNIT1 = 'deg' / Axis unit
CUNIT2 = 'deg' / Axis unit
PV1_0 = 0.0007530930479595 / Projection distortion parameter
PV1_1 = 1.004388429212 / Projection distortion parameter
PV1_2 = 0.001388938672747 / Projection distortion parameter
PV1_4 = 7.76123355983899E-05 / Projection distortion parameter
PV1_5 = 0.0006434716923347 / Projection distortion parameter
PV1_6 = 0.0001730208624442 / Projection distortion parameter
PV1_7 = -0.0126270403179 / Projection distortion parameter
PV1_8 = 0.001996495066197 / Projection distortion parameter
PV1_9 = -0.01116971587159 / Projection distortion parameter
PV1_10 = 0.000145195031455 / Projection distortion parameter
PV1_12 = 0.000758500950909 / Projection distortion parameter
PV1_13 = 0.001676227470745 / Projection distortion parameter
PV1_14 = 0.002323770500882 / Projection distortion parameter
PV1_15 = 0.001917146866385 / Projection distortion parameter
PV1_16 = -0.0001329019051112 / Projection distortion parameter
PV2_0 = 0.0007640089068175 / Projection distortion parameter
PV2_1 = 1.004082331455 / Projection distortion parameter
PV2_2 = 0.001580819179232 / Projection distortion parameter
PV2_4 = -0.000125150856681 / Projection distortion parameter
PV2_5 = 0.000653113855407399 / Projection distortion parameter
PV2_6 = 0.000434294777239 / Projection distortion parameter
PV2_7 = -0.01256093503345 / Projection distortion parameter
PV2_8 = 0.00283643245677 / Projection distortion parameter
PV2_9 = -0.01165952685496 / Projection distortion parameter
PV2_10 = 0.001267064064932 / Projection distortion parameter
PV2_12 = 0.001260315697009 / Projection distortion parameter
PV2_13 = 0.002529802617273 / Projection distortion parameter
PV2_14 = 0.002911423732373 / Projection distortion parameter
PV2_15 = 0.001516630880683 / Projection distortion parameter
PV2_16 = 0.000987861007535400 / 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 = 0.004166666666667 / 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 = 25.8041 / zero point for CCD
CCDZPTA = 25.8019 / zero point for CCD ampA [1:2016,1:2048]
CCDZPTB = 25.7864 / zero point for CCD ampB [2017:4032,1:2048]
CCDZPTC = 25.8132 / zero point for CCD ampC [1:2016, 2049,4096]
CCDZPTD = 25.8127 / zero point for CCD ampD [2017:4032,2049:4096]
CCDPHOFF = 25.8041 / photometric offset of the matched stars
CCDPHRMS = 0.0255 / zpt rms of the matched objects in CCD
PHRMSA = 0.026 / zpt rms of the matched objects in CCD ampA
PHRMSB = 0.0294 / zpt rms of the matched objects in CCD ampB
PHRMSC = 0.0227 / zpt rms of the matched objects in CCD ampC
PHRMSD = 0.0228 / zpt rms of the matched objects in CCD ampD
APER_R = 13.0 / (pixels) photo-aperture radius
FWHM = 5.8563 / FWHM in pixel
SEEING = 2.6588 / seeing in arcsec
RAOFF = 0.0614 / median positional offset from PS1, in arcsec
DECOFF = -0.1277 / median positional offset from PS1, in arcsec
TRANS = 0.8408 / median transparency.
CCDNSTAR = 9551.0 / total number of stars detected on a CCD
NMATCH = 1074.0 / total number of matched stars in 2 arcsec
NMATCHA = 249.0 / number of matched stars in CCD ampA
NMATCHB = 272.0 / number of matched stars in CCD ampB
NMATCHC = 261.0 / number of matched stars in CCD ampC
NMATCHD = 292.0 / number of matched stars in CCD ampD
MDNCOL = 1.019 / 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 = 0.1229 / E(B-V) from SFD1998
MLIM = 22.8 / magnitude limiting of 5-sigma galaxy detection
CALI_V = '3.0.1' / version of calibration code
INT_ZPT = 25.8163 / zpt from internal calibration
INT_STD = 0.0273 / sigma for zpt from internal calibration
INT_NUM = 5506.0 / 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