--- header unit 0: primary ---
SIMPLE = T / conforms to FITS standard
BITPIX = 8 / array data type
NAXIS = 0 / number of array dimensions
EXTEND = T
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 32 / width of table in bytes
NAXIS2 = 1 / number of rows in table
PCOUNT = 3696144 / number of group parameters
GCOUNT = 1 / number of groups
TFIELDS = 4 / number of fields in each row
TTYPE1 = 'COMPRESSED_DATA' / label for field 1
TFORM1 = '1PB(3696144)' / data format of field: variable length array
TTYPE2 = 'GZIP_COMPRESSED_DATA' / label for field 2
TFORM2 = '1PB(0)' / data format of field: variable length array
TTYPE3 = 'ZSCALE' / label for field 3
TFORM3 = '1D' / data format of field: 8-byte DOUBLE
TTYPE4 = 'ZZERO' / label for field 4
TFORM4 = '1D' / data format of field: 8-byte DOUBLE
ZIMAGE = T / extension contains compressed image
ZSIMPLE = T / file does conform to FITS standard
ZBITPIX = -32 / number of bits per data pixel
ZNAXIS = 2 / number of data axes
ZNAXIS1 = 2048 / length of data axis 1
ZNAXIS2 = 2048 / length of data axis 2
ZTILE1 = 2048 / size of tiles to be compressed
ZTILE2 = 2048 / size of tiles to be compressed
ZCMPTYPE = 'GZIP_1' / compression algorithm
ZNAME1 = 'NOISEBIT' / floating point quantization level
ZVAL1 = -0.5 / floating point quantization level
ZQUANTIZ = 'SUBTRACTIVE_DITHER_2' / Pixel Quantization Algorithm
ZDITHER0 = 704 / dithering offset when quantizing floats
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
EXTNAME = 'MODEL'
WCSAXES = 2 / no comment
CTYPE1 = 'RA---TAN' / TAN (gnomic) projection
CTYPE2 = 'DEC--TAN' / TAN (gnomic) projection
EQUINOX = 2000. / Equatorial coordinates definition (yr)
LONPOLE = 180. / no comment
LATPOLE = 0. / no comment
CRVAL1 = 14.148533 / RA of reference point
CRVAL2 = -16.658889 / DEC of reference point
CRPIX1 = 1024.5 / X reference pixel
CRPIX2 = 1024.5 / Y reference pixel
CUNIT1 = 'deg' / X pixel scale units
CUNIT2 = 'deg' / Y pixel scale units
CD1_1 = -0.000763888888889 / Transformation matrix
CD1_2 = 0 / no comment
CD2_1 = 0 / no comment
CD2_2 = 0.000763888888889 / no comment
IMAGEW = 2048 / Image width, in pixels.
IMAGEH = 2048 / Image height, in pixels.
MAGZP = 22.5 / Magnitude zeropoint (in Vega mag)
UNW_SKY = -2.18370429276727 / Background value subtracted from coadd img
UNW_VER = 'neo8' / unWISE code git revision
UNW_URL = 'https://github.com/dstndstn/unwise-coadds' / git URL
UNW_DVER = 3.3 / unWISE data model version
UNW_DATE = '2022-05-21T07:18:30.815822' / unWISE run time
UNW_FR0 = 0 / unWISE frame start
UNW_FRN = 0 / unWISE N frames
UNW_MEDF = 0 / unWISE median filter sz
UNW_BGMA = F / unWISE background matching?
REFEREN1 = '' / reference coadd directory
REFEREN2 = '' / reference coadd directory, continued
EPOCH = -1 / epoch number
MJDMIN = 55372.78927119 / minimum MJD among included L1b frames
MJDMAX = 59560.90038735 / maximum MJD among included L1b frames
BAND = 2 / WISE band
ZEXTEND = T / FITS dataset may contain extensions
--- header unit 2: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / array data type
NAXIS = 2 / number of array dimensions
NAXIS1 = 32 / width of table in bytes
NAXIS2 = 1 / number of rows in table
PCOUNT = 1989238 / number of group parameters
GCOUNT = 1 / number of groups
TFIELDS = 4 / number of fields in each row
TTYPE1 = 'COMPRESSED_DATA' / label for field 1
TFORM1 = '1PB(1989238)' / data format of field: variable length array
TTYPE2 = 'GZIP_COMPRESSED_DATA' / label for field 2
TFORM2 = '1PB(0)' / data format of field: variable length array
TTYPE3 = 'ZSCALE' / label for field 3
TFORM3 = '1D' / data format of field: 8-byte DOUBLE
TTYPE4 = 'ZZERO' / label for field 4
TFORM4 = '1D' / data format of field: 8-byte DOUBLE
ZIMAGE = T / extension contains compressed image
ZSIMPLE = T / file does conform to FITS standard
ZBITPIX = -32 / number of bits per data pixel
ZNAXIS = 2 / number of data axes
ZNAXIS1 = 2048 / length of data axis 1
ZNAXIS2 = 2048 / length of data axis 2
ZTILE1 = 2048 / size of tiles to be compressed
ZTILE2 = 2048 / size of tiles to be compressed
ZCMPTYPE = 'GZIP_1' / compression algorithm
ZNAME1 = 'NOISEBIT' / floating point quantization level
ZVAL1 = -0.5 / floating point quantization level
ZQUANTIZ = 'SUBTRACTIVE_DITHER_2' / Pixel Quantization Algorithm
ZDITHER0 = 2432 / dithering offset when quantizing floats
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
EXTNAME = 'SKY'
WCSAXES = 2 / no comment
CTYPE1 = 'RA---TAN' / TAN (gnomic) projection
CTYPE2 = 'DEC--TAN' / TAN (gnomic) projection
EQUINOX = 2000. / Equatorial coordinates definition (yr)
LONPOLE = 180. / no comment
LATPOLE = 0. / no comment
CRVAL1 = 14.148533 / RA of reference point
CRVAL2 = -16.658889 / DEC of reference point
CRPIX1 = 1024.5 / X reference pixel
CRPIX2 = 1024.5 / Y reference pixel
CUNIT1 = 'deg' / X pixel scale units
CUNIT2 = 'deg' / Y pixel scale units
CD1_1 = -0.000763888888889 / Transformation matrix
CD1_2 = 0 / no comment
CD2_1 = 0 / no comment
CD2_2 = 0.000763888888889 / no comment
IMAGEW = 2048 / Image width, in pixels.
IMAGEH = 2048 / Image height, in pixels.
MAGZP = 22.5 / Magnitude zeropoint (in Vega mag)
UNW_SKY = -2.18370429276727 / Background value subtracted from coadd img
UNW_VER = 'neo8' / unWISE code git revision
UNW_URL = 'https://github.com/dstndstn/unwise-coadds' / git URL
UNW_DVER = 3.3 / unWISE data model version
UNW_DATE = '2022-05-21T07:18:30.815822' / unWISE run time
UNW_FR0 = 0 / unWISE frame start
UNW_FRN = 0 / unWISE N frames
UNW_MEDF = 0 / unWISE median filter sz
UNW_BGMA = F / unWISE background matching?
REFEREN1 = '' / reference coadd directory
REFEREN2 = '' / reference coadd directory, continued
EPOCH = -1 / epoch number
MJDMIN = 55372.78927119 / minimum MJD among included L1b frames
MJDMAX = 59560.90038735 / maximum MJD among included L1b frames
BAND = 2 / WISE band
ZEXTEND = T / FITS dataset may contain extensions