FITS Headers
lambda_firas_1999_c158_and_n205_line_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 = '2021-11-15T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'LAMBDA ' / Legacy Archive Microwave Background Analysis TELESCOP= 'COBE ' / COsmic Background Explorer satellite INSTRUME= 'FIRAS ' / COBE instrument [DIRBE, DMR, FIRAS] OBJECT = 'ALL-SKY ' / Portion of sky given COMMENT This file contains FIRAS maps of the CII 157.7 um and NII 205.3 um COMMENT Galactic line emission, in units of nW/m^2/sr. COMMENT Results are from the 1999 reanalysis of FIRAS line data by COMMENT Fixsen et al. REFERENC= 'COBE FIRAS Observations of Galactic Lines' REFERENC= ' Fixsen, Bennett and Mather, 1999 ApJ 526, 207' REFERENC= 'For additional information, please refer to the' REFERENC= 'COBE Far Infrared Absolute Spectrophotometer (FIRAS)' REFERENC= 'Explanatory Supplement, ed. J.C. Mather et al,' REFERENC= 'COBE Ref. Pub. No. 97-C (Greenbelt, MD: NASA/GSFC),' REFERENC= 'available in electronic form from LAMBDA.' SKYCOORD= 'Galactic' / Coordinate system COMMENT COMMENT COBE specific keywords DATE-BEG= '24/11/89' / date of initial data represented (dd/mm/yy) DATE-END= '21/09/90' / date of final data represented (dd/mm/yy) PIXRESOL= 6 / Quad tree pixel resolution [6, 9] COMMENT COMMENT FIRAS specific keywords CHANSCAN= 'HIGH ' / combination of RH and LH scan mode data MISS_SEG= 'ENTIRE_MISSION' / FIRAS segment of mission represented END
XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 40 / width of table in bytes NAXIS2 = 6063 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 10 / number of fields in each row TTYPE1 = 'PIXEL ' / quad-sphere pixel number, resolution 6 TFORM1 = 'J ' / 32 bit, twos complement integer TUNIT1 = ' ' / TTYPE2 = 'GAL_LON ' / Galactic system II (1950) longitude TFORM2 = 'E ' / floating point scalar, single precision TUNIT2 = 'deg ' / coordinate units TTYPE3 = 'GAL_LAT ' / Galactic system II (1950) latitude TFORM3 = 'E ' / floating point scalar, single precision TUNIT3 = 'deg ' / coordinate units TTYPE4 = 'WEIGHT ' / pixel weight TFORM4 = 'E ' / floating point scalar, single precision TUNIT4 = ' ' / TTYPE5 = 'C158_FLUX' / [CII} 158 um line intensity TFORM5 = 'E ' / floating point scalar, single precision TUNIT5 = 'nW/m^2/sr' / physical unit of field TTYPE6 = 'C158_SIGMA' / 1-sigma uncertainty due to instrument noise TFORM6 = 'E ' / floating point scalar, single precision TUNIT6 = 'nW/m^2/sr' / physical unit of field TTYPE7 = 'C158_PSIG' / 1-sigma PEP gain uncertainty TFORM7 = 'E ' / floating point scalar, single precision TUNIT7 = 'nW/m^2/sr' / physical unit of field TTYPE8 = 'N205_FLUX' / [NII] 205 um line intensity TFORM8 = 'E ' / floating point scalar, single precision TUNIT8 = 'nW/m^2/sr' / physical unit of field TTYPE9 = 'N205_SIGMA' / 1-sigma uncertainty due to instrument noise TFORM9 = 'E ' / floating point scalar, single precision TUNIT9 = 'nW/m^2/sr' / physical unit of field TTYPE10 = 'N205_PSIG' / 1-sigma PEP gain uncertainty TFORM10 = 'E ' / floating point scalar, single precision TUNIT10 = 'nW/m^2/sr' / physical unit of field EXTNAME = ' ' / name of this binary table extension DATE = '2021-11-15T00:00:00' /Table creation date END
