FITS Headers
DIRBE_CIO_INDEX_P3B_90255.FITS
Primary Header
SIMPLE = T / file does conform to FITS standard BITPIX = 32 / 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 defined in Astronomy and COMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365. COMMENT Contact the NASA Science Office of Standards and Technology for the COMMENT FITS Definition document #100 and other FITS information. DATE = '16/04/97' / FITS file creation date (dd/mm/yy) DATE-MAP= '02/08/95' / Date of original file creation (dd/mm/yy) ORIGIN = 'CDAC ' / Cosmology Data Analysis Center TELESCOP= 'COBE ' / Cosmic Background Explorer satellite INSTRUME= 'DIRBE ' / COBE instrument [DIRBE, DMR, FIRAS] OBJECT = 'DAILY-SKY' / part of sky given [e.g., ALL-SKY, WEEKLY-SKY, COMMENT / DAILY-SKY, GAL-SLICE, FACE ...] EQUINOX = 2000.0 / equinox of coords in following tables REFERENC= 'COBE/DIRBE Explanatory Supplement,' / REFERENC= 'ed. M.G. Hauser, T. Kelsall, D. Leisawitz, and J. Weiland,' / REFERENC= 'COBE Ref. Pub. No. 97-A (Greenbelt,MD: NASA/GSFC),' / REFERENC= 'available in electronic form from the NSSDC.' / COMMENT COMMENT COBE specific keywords DATE-BEG= '12/09/90' / date of initial data represented (dd/mm/yy) DATE-END= '12/09/90' / date of final data represented (dd/mm/yy) PIXRESOL= 9 / Quad tree pixel resolution [6, 9] COMMENT COMMENT DIRBE specific keywords PRODUCT = 'CIOINDEX_90255' / Pixel Index to DIRBE CIO, YYDDD=90255 VERSION = 'Pass 3B ' / Version of Data Reduction Software COMMENT COMMENT END
Extension Header 2
XTENSION= 'BINTABLE' / Extension type is Binary Table BITPIX = 8 / Binary data NAXIS = 2 / Data are in a table NAXIS1 = 8 / Number of 8 bit bytes in each row NAXIS2 = 174906 / Number of rows PCOUNT = 0 / Number of bytes of data following table GCOUNT = 1 / Group count (always 1 for bintable extensions) TFIELDS = 2 / Number of fields (columns) in the table COMMENT COMMENT COMMENT ------------------------------------------------------------------- COMMENT ******************************************************************* COMMENT DIRBE Calibrated Individual Observations: Pixel Index COMMENT -------- Cryogenic Mission, day 255 of 1990 --------- COMMENT COMMENT This is the companion pixel index to the DIRBE Calibrated COMMENT Individual Observations (CIO) data file for day 255 of 1990. COMMENT The pixel index is intended to simplify and expedite data COMMENT retrieval for a user-selected subset of pixels in the CIO. COMMENT There is one row in the index table for each DIRBE pixel COMMENT (resolution 9) observed on this day. Pixels are listed in COMMENT ascending order. For each pixel, the pixel index table COMMENT identifies the LAST row number within the corresponding COMMENT CIO table which contains observations for that pixel. COMMENT ******************************************************************* COMMENT ------------------------------------------------------------------- COMMENT =================================================================== COMMENT Coordinate Information (Spatial): COMMENT =================================================================== COMMENT ------------------------------------------------------------------- COMMENT DIRBE Pixel number (resolution 9) TTYPE1 = 'Pixel_no' / pipeline fieldname = Pixel_no TUNIT1 = ' ' / TFORM1 = '1J ' / COMMENT --------------------------------------------------------------------- COMMENT =================================================================== COMMENT Pixel Indexing Information: COMMENT =================================================================== COMMENT ------------------------------------------------------------------- COMMENT Number of the last row within the corresponding CIO COMMENT binary table which contains information for this pixel number. COMMENT Row numbers are counted starting at 1. COMMENT TTYPE2 = 'LastRow ' / pipeline fieldname = last_data_record TUNIT2 = ' ' / TFORM2 = '1J ' / COMMENT -------------------------------------------------------------------- END
