FITS Headers
lambda_weiland_2025_adr_maps.fits
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 = '2025-11-17T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'LAMBDA ' / Legacy Archive Microwave Background Analysis OBJECT = 'ALL-SKY ' / Portion of sky given COMMENT This file contains the 23 and 30 GHz ADR (AME Dust Reduced) maps COMMENT formed from WMAP 9yr 23 GHz and Planck PR3 30 GHz data as described in COMMENT Weiland et al. 2025 (see referenc keyword). The lower-latitude bias COMMETN correction has been omitted, and the monopole level is arbitrary. REFERENC= 'Weiland et al. 2025 ApJ 984, 80' RESOLUTN= 7 / Resolution index SKYCOORD= 'Galactic' / Coordinate system PIXTYPE = 'HEALPIX ' / Pixel algorithm ORDERING= 'NESTED ' / Ordering scheme NSIDE = 128 / Resolution parameter NPIX = 196608 / # of pixels FIRSTPIX= 0 / First pixel (0 based) LASTPIX = 196607 / Last pixel (0 based) END
Map Table
XTENSION= 'BINTABLE' /binary table extension BITPIX = 8 /8-bit bytes NAXIS = 2 /2-dimensional binary table NAXIS1 = 16 /width of table in bytes NAXIS2 = 196608 /number of rows in table PCOUNT = 0 /size of special data area GCOUNT = 1 /one data group (required keyword) TFIELDS = 4 /number of fields in each row TTYPE1 = 'ADR_23 ' / ADR temperature map at 23 GHz TFORM1 = 'E ' / data format of field: 4-byte REAL TUNIT1 = 'mK_CMB ' /physical unit of field TTYPE2 = 'SIGMA_23' /1-sigma statistical uncertainty, 23 GHz TFORM2 = 'E ' / data format of field: 4-byte REAL TUNIT2 = 'mK_CMB ' /physical unit of field TTYPE3 = 'ADR_30 ' / ADR temperature map at 30 GHz TFORM3 = 'E ' / data format of field: 4-byte REAL TUNIT3 = 'mK_CMB ' /physical unit of field TTYPE4 = 'SIGMA_30' /1-sigma statistical uncertainty, 30 GHz TFORM4 = 'E ' / data format of field: 4-byte REAL TUNIT4 = 'mK_CMB ' /physical unit of field EXTNAME = 'Map Table' /name of this binary table extension DATE = '2025-11-17T00:00:00' /Table/MAP creation date PIXTYPE = 'HEALPIX ' /Pixel algorithm ORDERING= 'NESTED ' /Ordering scheme NSIDE = 128 /Resolution parameter FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 196607 /Last pixel (0 based) END
