FITS Headers
act_planck_sr_gc_1.0_s19_f220_ivar.fits
Primary Header
SIMPLE = T / conforms to FITS standard BITPIX = -32 / array data type NAXIS = 3 / number of array dimensions NAXIS1 = 960 NAXIS2 = 480 NAXIS3 = 3 CRPIX1 = 0.0 / Pixel coordinate of reference point CRPIX2 = 0.0 / Pixel coordinate of reference point CRPIX3 = 1.0 / Pixel coordinate of reference point, Stokes T CDELT1 = 1.0 / Coordinate increment at reference point CDELT2 = 1.0 / Coordinate increment at reference point CDELT3 = 1.0 / Stokes component increment CRVAL1 = 0.0 / Coordinate value at reference point CRVAL2 = 0.0 / Coordinate value at reference point CUNIT3 = '' DATEREF = '1858-11-17' / ISO-8601 fiducial time MJDREFI = 0.0 / [d] MJD of fiducial time, integer part CTYPE3 = 'STOKES ' / I,Q,U Stokes components MJDREFF = 0.0 / [d] MJD of fiducial time, fractional part CTYPE1 = 'GLON-CAR' / Galactic longitude, plate caree projection CRVAL3 = 1.0 / Coordinate value at reference point, Stokes T CTYPE2 = 'GLAT-CAR' / Galactic latitude, plate caree projection COORDSYS= 'GALACTIC' / Galactic coordinate system COMMENT COMMENT *** ACT dataset keys *** COMMENT TELESCOP= 'act+planck' INSTRUME= 'actpol+planckHFI' RELEASE = 'sr-gc-1 ' / Data release tag SEASON = 's19 ' / Observation season PATCH = 'galactic_18h' / Survey patch FREQ = 'f220 ' / Frequency tag ACTTAGS = 'night,prelim' / ACT data quality class COMMENT COMMENT *** ACT product keys *** COMMENT POLCCONV= 'IAU ' / Polarization convention BUNIT = 'uK^-2 ' / Physical (pixel) units EXTNAME = 'IVAR-MAP' / Extension name FILENAME= 'act_planck_sr_gc_1.0_s19_f220_ivar.fits' / FITS filename CHECKSUM= '9AWK98WH9AWH95WH' / HDU checksum updated 2021-05-12T15:13:14 DATASUM = '3950455995' / data unit checksum updated 2021-05-12T15:13:14 END
