FITS Headers
lambda_landecker_wielebinski_150MHz_hpx_r8.fits
Primary Header
SIMPLE = T /FITS format BITPIX = 8 /Dummy primary header NAXIS = 0 /No data is associated with this header EXTEND = T /Extensions may (will!) be present COMMENT FITS (Flexible Image Transport System) format is defined in Astronomy COMMENT and Astrophysics, volume 376, page 359; bibcode: 2001A&A...376..359H DATE = '2019-03-22T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT) COMMENT This file contains data from the Landecker and Wielebinski 150 MHz COMMENT radio continuum all-sky map. Data for delta > 25 deg are extrapolated COMMENT from 178 MHz (Turtle & Baldwin 1962, MNRAS 124, 297). Data for delta COMMENT < -25 deg are extrapolated from 85 MHz (Yates et al. 1967, Aust. J. COMMENT Phys., 21, 185). The data in Galactic coordinates were obtained from COMMENT the Max Planck Institute for Radio Astronomy Survey Sampler website COMMENT and interpolated to a Galactic coordinate HEALPix projection. COMMENT This file is distributed and maintained by LAMBDA. COMMENT "The Galactic Metre Wave Radiation: A two-frequency survey between COMMENT declinations +25deg and -25deg and the preparation of a map of the COMMENT whole sky", Landecker & Wielebinski 1970, Aust. J. Phys. Suppl., 16, 1 COMMENT MPIfR page: http://www3.mpifr-bonn.mpg.de/survey.html COMMENT HEALPix Home Page: https://healpix.jpl.nasa.gov/ FREQ = '150 MHz ' /Center Frequency RESOLUTN= 8 /Resolution index SKYCOORD= 'Galactic' /Coordinate System PIXTYPE = 'HEALPIX ' /Pixel algorithm ORDERING= 'NESTED ' /Ordering scheme NSIDE = 256 /Resolution parameter FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 786431 /Last pixel (0 based) BMAJ = 5.00000 /[deg] Beam major axis FWHM BMIN = 5.00000 /[deg] Beam minor axis FWHM BUNIT = 'K TB ' / END
Archive Map Table
XTENSION= 'BINTABLE' /binary table extension BITPIX = 8 /8-bit bytes NAXIS = 2 /2-dimensional binary table NAXIS1 = 8 /width of table in bytes NAXIS2 = 786432 /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 TTYPE1 = 'TEMPERATURE' /label for field 1 TFORM1 = '1E ' /data format of field: 4-byte REAL TUNIT1 = 'K ' /physical unit of field 1 TTYPE2 = 'N_OBS ' /label for field 2 TFORM2 = '1E ' /data format of field: 4-byte REAL TUNIT2 = 'counts ' /physical unit of field 2 EXTNAME = 'Archive Map Table' /name of this binary table extension PIXTYPE = 'HEALPIX ' /Pixel algorigthm ORDERING= 'NESTED ' /Ordering scheme NSIDE = 256 /Resolution parameter FIRSTPIX= 0 /First pixel (0 based) LASTPIX = 786431 /Last pixel (0 based) COMMENT The TEMPERATURE field is brightness temperature in K. COMMENT N_obs is set to 1 for all pixels. END
