FITS Headers
act_dr4.01_s15_D8_pa1_f150_nohwp_night_3pass_4way_set3_xlink.fits
Primary Header
SIMPLE = T / conforms to FITS standard BITPIX = -32 / array data type NAXIS = 3 / number of array dimensions NAXIS1 = 3728 NAXIS2 = 2531 NAXIS3 = 3 CRPIX1 = 1864.5 / Pixel coordinate of reference point CRPIX2 = 6276.0 / Pixel coordinate of reference point CRPIX3 = 1.0 / Pixel coordinate of reference point, Stokes T CDELT1 = -0.00833333333333 / [deg] Coordinate increment at reference point CDELT2 = 0.00833333333333 / [deg] Coordinate increment at reference point CDELT3 = 1.0 / Stokes component increment CUNIT1 = 'deg' / Units of coordinate increment and value CUNIT2 = 'deg' / Units of coordinate increment and value CUNIT3 = '' CTYPE1 = 'RA---CAR' / Right ascension, plate caree projection CTYPE2 = 'DEC--CAR' / Declination, plate caree projection CTYPE3 = 'STOKES ' / I,Q,U Stokes components CRVAL1 = 2.62916666667 / [deg] Coordinate value at reference point CRVAL2 = 0.0 / [deg] Coordinate value at reference point CRVAL3 = 1.0 / Coordinate value at reference point, Stokes T LONPOLE = 0.0 / [deg] Native longitude of celestial pole LATPOLE = 90.0 / [deg] Native latitude of celestial pole RADESYS = 'ICRS' / Equatorial coordinate system COMMENT COMMENT *** ACT dataset keys *** COMMENT TELESCOP= 'act ' INSTRUME= 'actpol ' RELEASE = 'dr4.01 ' / Data release tag SEASON = 's15 ' / Observation season PATCH = 'D8 ' / Survey patch ARRAY = 'pa1 ' / Telescope array FREQ = 'f150 ' / Frequency tag COMMENT COMMENT *** ACT product keys *** COMMENT POLCCONV= 'IAU ' / Polarization convention BUNIT = 'uK^-2 ' / Physical (pixel) units EXTNAME = 'XLINK-MAP' / Extension name FILENAME= 'act_dr4.01_s15_D8_pa1_f150_nohwp_night_3pass_4way_set3_xlink.fits' / CHECKSUM= 'ie9Fkb6Cib6Cib6C' / HDU checksum updated 2020-06-30T08:17:49 DATASUM = '3413460061' / data unit checksum updated 2020-06-30T08:17:49 END
