WMAP Noise Simulations Skymap
FITS Header Information
The data made available through this page has been updated. The most recent version of this data may be accessed through /product/map/current/
Primary Header
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 DATE = '2003-09-07T15:40:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) TELESCOP= 'MAP ' / Microwave Anisotropy Probe OBJECT = 'ALL-SKY ' / Portion of sky given EQUINOX = 2000.0 / Equinox of coordinates REFERENC= 'MAP Explanatory Supplement' VERSION = 'SIM_P1a ' / Software Version or Pass APPLICTN= 'iterate_map' / Pipeline application STARTGMT= '20012220000000000000' / Start time of TOD used ENDGMT = '20022212359590000000' / End time of TOD used N_ITER = 8 / Iteration number DA = 'K1 ' / Differencing Assembly STOKES = 'Intensity' / i, q, or u RESOLUTN= 9 / Resolution index SKYCOORD= 'Galactic' / Coordinate system CAL_SRC = 'Archive ' / Calibration source GALMASK = '/map/data/sim_p1a/ref/proc_mask_K_p8_v1_unsm.fits' / Galaxy mask sour SYSERR1 = '[0,0,0,0,0,0,0,0,0,0]' / Systematic error list PLANETS = 'MJSUN ' / Planets avoided COMMENT Planet codes: [M]ars, [J]upiter, [S]aturn, [U]ranus, [N]eptune SHIELDS = 'S ' / Shield angle avoidance COMMENT Shield codes: [S]un, [E]arch, [M]oon PIXTYPE = 'HEALPIX ' / Pixel algorithm ORDERING= 'NESTED ' / Ordering scheme NSIDE = 512 / Resolution parameter NPIX = 3145728 / # of pixels FIRSTPIX= 0 / First pixel (0 based) LASTPIX = 3145727 / Last pixel (0 based) END
Extension Header #1
XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 8 / width of table in bytes NAXIS2 = 3145728 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row COMMENT COMMENT *** End of mandatory fields *** COMMENT COMMENT COMMENT *** Column names *** COMMENT TTYPE1 = 'TEMPERATURE ' / label for field 1 COMMENT COMMENT *** Column formats *** COMMENT TFORM1 = 'E ' / data format of field: 4-byte REAL TUNIT1 = 'mK,thermodynamic' / physical unit of field TTYPE2 = 'N_OBS ' / label for field 2 TFORM2 = 'E ' / data format of field: 4-byte REAL TUNIT2 = 'counts ' / physical unit of field EXTNAME = 'Archive Map Table' / name of this binary table extension DATE = '2003-09-07T11:40:53' / Table/MAP creation date PIXTYPE = 'HEALPIX ' / Pixel algorithm ORDERING= 'NESTED ' / Ordering scheme NSIDE = 512 / Resolution parameter FIRSTPIX= 0 / First pixel (0 based) LASTPIX = 3145727 / Last pixel (0 based) END
More information concerning the format of this file is available.
