--- 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 = '2hH82Z952fE52Z95' / HDU checksum updated 2018-09-29T00:01:11
DATASUM = '         0' / data unit checksum updated 2018-09-29T00:01:11
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 8 / width of table in bytes
NAXIS2 = 4032 / number of rows in table
PCOUNT = 239221 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 1 / number of fields in each row
TTYPE1 = 'COMPRESSED_DATA' / label for field 1
TFORM1 = '1PB(486)' / data format of field: variable length array
ZIMAGE = T / extension contains compressed image
ZTILE1 = 4096 / size of tiles to be compressed
ZTILE2 = 1 / size of tiles to be compressed
ZCMPTYPE = 'RICE_1' / compression algorithm
ZNAME1 = 'BLOCKSIZE' / compression block size
ZVAL1 = 32 / pixels per block
ZNAME2 = 'BYTEPIX' / bytes per pixel (1, 2, 4, or 8)
ZVAL2 = 1 / bytes per pixel (1, 2, 4, or 8)
EXTNAME = 'COMPRESSED_IMAGE'
ZSIMPLE = T / conforms to FITS standard
ZBITPIX = 8 / Bits per pixel
ZNAXIS = 2 / number of array dimensions
ZNAXIS1 = 4096
ZNAXIS2 = 4032
RADEC = 'Y' / Get RADEC from telescope or not
RA-OBS = '07:04:38.78' / right ascension (2000.)
DEC-OBS = '+32:44:59.4' / declination
CCD_NO = 3
DATE-OBS = '2017-02-22' / UTC shutter opened
TIME-OBS = '03:49:29.210' / UTC at start of exposure
TIMESYS = 'UTC' / Time system
EXPTIME = 204.09 / Exposure time (seconds)
HA = '-00:33:44' / hour angle
ST = '06:32:01' / local siderial time
EPOCH = 2015.0 / equinox of RA and DEC
FILTER = 'g' / Filter name
FOCUSVAL = '*0.712*0.751*0.859' / Focus
OBJECT = '60543'
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 = 204.09 / exptime as gain
FILENAME = 'TempImage2402.fits' / FLATFILE
OBSERVER = 'Xu Zhou, Xiyan Peng, Yucheng Guo' / OPERATOR='None'
SITEELEV = '2120' / SITELAT = '31:58.8' SITELONG = '-111:36.0'
CAMTEMP = -135.448 / Camera temperature in C
DEWTEMP = -193.027 / 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=103.76
CTYPE2 = 'DEC--TAN' / b_sun=10.08
CRVAL1 = 106.1614304242 / l_gal=184.25
CRVAL2 = 32.7490780846 / b_gal=16.85
CRPIX1 = -188.1351567334 / Azimuth=81.81
CRPIX2 = -103.8282330263 / Altitude=82.85
CD1_1 = -0.0001257688610014 / Coordinate matrix
CD1_2 = 5.161578605863E-07 / Coordinate matrix
CD2_1 = 1.534584301003E-07 / Coordinate matrix
CD2_2 = 0.0001257408984908 / Coordinate matrix
AIRMASS = 1.008
MPHASE = 20.2 / Define the length of Moon_Month 29.53d
MAZIMUTH = 347.45 / Moon Azimuth is measured from south thr. west
MALITIUD = -76.75 / both units in degrees
MANGLE = 165.46 / Position angle of Moon to CCD_Field center
SKY = 7.582 / (e-/s per pixel)
SKYRMS = 0.224
SATURATE = 293.988 / 40000adu*gain/exptime
MJD_OBS = 57806.15937
ORIGIN = 3.0 / BASS Image Process Version
ARTIFACT = 'Y' / Artifact was done
HASSAT = F / Has satellite correction
NUM_COSM = 2304 / Cosmicray Number
BASS-TLM = '2018-09-28T17:46:13' / Time of last modification
CHECKSUM = '4G914D914D914D91' / HDU checksum updated 2018-11-30T12:59:29
DATASUM = '954290899' / data unit checksum updated 2018-11-30T12:59:29
ZHECKSUM = '9O3kAO1k2O1k9O1k' / HDU checksum updated 2018-11-30T04:59:28
ZDATASUM = '2959458530' / data unit checksum updated 2018-10-09T15:49:55
RADESYS = 'ICRS' / Astrometric system
CUNIT1 = 'deg' / Axis unit
CUNIT2 = 'deg' / Axis unit
PV1_0 = 0.0007928807131054 / Projection distortion parameter
PV1_1 = 1.004168884116 / Projection distortion parameter
PV1_2 = -0.001485383800152 / Projection distortion parameter
PV1_4 = -0.001074659874316 / Projection distortion parameter
PV1_5 = 5.950599188602E-05 / Projection distortion parameter
PV1_6 = -0.0001517603986095 / Projection distortion parameter
PV1_7 = -0.01514619888462 / Projection distortion parameter
PV1_8 = 0.001406283074646 / Projection distortion parameter
PV1_9 = -0.01433691298057 / Projection distortion parameter
PV1_10 = 1.20015908714E-06 / Projection distortion parameter
PV1_12 = -0.001059603799251 / Projection distortion parameter
PV1_13 = 0.0005019953630801 / Projection distortion parameter
PV1_14 = -0.001636055934063 / Projection distortion parameter
PV1_15 = -0.0004026607651079 / Projection distortion parameter
PV1_16 = -0.000106095714686 / Projection distortion parameter
PV2_0 = -0.0007649777539287 / Projection distortion parameter
PV2_1 = 1.00430216446 / Projection distortion parameter
PV2_2 = -0.001331875239322 / Projection distortion parameter
PV2_4 = 2.590211020577E-05 / Projection distortion parameter
PV2_5 = -0.0007690585897297 / Projection distortion parameter
PV2_6 = 0.0006104497337472 / Projection distortion parameter
PV2_7 = -0.01382320732557 / Projection distortion parameter
PV2_8 = 0.002047216726635 / Projection distortion parameter
PV2_9 = -0.0142872787646 / Projection distortion parameter
PV2_10 = 0.001960492523118 / Projection distortion parameter
PV2_12 = -0.001180537298947 / Projection distortion parameter
PV2_13 = -0.002337553207249 / Projection distortion parameter
PV2_14 = 0.0004062123138849 / Projection distortion parameter
PV2_15 = -0.0004642903189176 / Projection distortion parameter
PV2_16 = 0.001569132552381 / 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 = 0.004899799108237 / 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 = 25.9981 / zero point for CCD
CCDZPTA = 25.9895 / zero point for CCD ampA [1:2016,1:2048]
CCDZPTB = 25.9859 / zero point for CCD ampB [2017:4032,1:2048]
CCDZPTC = 26.0152 / zero point for CCD ampC [1:2016, 2049,4096]
CCDZPTD = 26.0056 / zero point for CCD ampD [2017:4032,2049:4096]
CCDPHOFF = 25.9981 / photometric offset of the matched stars
CCDPHRMS = 0.03 / zpt rms of the matched objects in CCD
PHRMSA = 0.0283 / zpt rms of the matched objects in CCD ampA
PHRMSB = 0.0269 / zpt rms of the matched objects in CCD ampB
PHRMSC = 0.0288 / zpt rms of the matched objects in CCD ampC
PHRMSD = 0.0218 / zpt rms of the matched objects in CCD ampD
APER_R = 13.0 / (pixels) photo-aperture radius
FWHM = 3.1373 / FWHM in pixel
SEEING = 1.4243 / seeing in arcsec
RAOFF = 0.0511 / median positional offset from PS1, in arcsec
DECOFF = -0.06569999999999999 / median positional offset from PS1, in arcsec
TRANS = 0.9995000000000001 / median transparency.
CCDNSTAR = 12334.0 / total number of stars detected on a CCD
NMATCH = 1177.0 / total number of matched stars in 2 arcsec
NMATCHA = 317.0 / number of matched stars in CCD ampA
NMATCHB = 303.0 / number of matched stars in CCD ampB
NMATCHC = 288.0 / number of matched stars in CCD ampC
NMATCHD = 269.0 / number of matched stars in CCD ampD
MDNCOL = 0.8907 / median (g-i) color of matched stars in CCD
COLT_PAR = '0.002257,-0.025431,0.105750,0.010775' / par.in [gi^3,gi^2,gi^1,gi^0]
EBV = 0.0725 / E(B-V) from SFD1998
MLIM = 23.86 / magnitude limiting of 5-sigma galaxy detection
CALI_V = '3.0.1' / version of calibration code
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
HISTORY Astrometric solution by SCAMP version 2.0.4 (2016-11-04)
COMMENT (c) 2010-2013 IAP/CNRS/UPMC