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SIMPLE  =                    T / Fits standard
BITPIX  =                  -32 / -32 = 4-BYTE FLOAT, 16 = 2-BYTE INTEGER
NAXIS   =                    2 / Number of axes
NAXIS1  =                 1194 / Axis 1 size
NAXIS2  =                  587 / Axis 2 size
ORIGIN  = 'Spitzer Science Center' / Organization generating this FITS file
CREATOR = 'S13.2.0 '           / SW version used to create this FITS file
TELESCOP= 'Spitzer '           / Spitzer Space Telescope
INSTRUME= 'IRAC    '           / Spitzer Space Telescope instrument ID
CHNLNUM =                    2 / 1 digit instrument channel number
AOT_TYPE= 'IracMap '           / Observation Template Type
AORLABEL= 'IRAC-280'           / AOR Label
EXPTYPE = 'sci     '           / Exposure Type
FOVID   =                   74 / Field of View ID for Commanded Pointing
FOVNAME = 'IRAC_Center_of_4.5&8.0umArray' / Field of View Name for Commanded Poi
          / PROPOSAL INFORMATION
OBSRVR  = 'Curtis Struck'      / Observer Name (Last, First)
OBSRVRID=                  510 / Observer ID of Principal Investigator
PROCYCL =                    4 / Proposal Cycle
PROGID  =                 3247 / Program ID
PROTITLE= 'Spirals, Bridges and Tails: Star Formation and the Disturbed ISM in'
PROGCAT =                   30 / Program Category
          / TIME AND EXPOSURE INFORMATION (from header of 1st BCD in mosaic)
DATE_OBS= '2004-12-17T04:15:19.609' / Date & time at DCE start
          / TARGET AND POINTING INFORMATION
OBJECT  = 'Arp280  '           / Object Name
OBJTYPE = 'TargetFixedSingle'  / Object Type
CRVAL1  =           174.452442 / [deg] RA at CRPIX1,CRPIX2
CRVAL2  =            47.887372 / [deg] DEC at CRPIX1,CRPIX2
RADESYS = 'ICRS    '           / International Celestial Reference System
EQUINOX =                2000. / Equinox for ICRS celestial coord. system
CTYPE1  = 'RA---TAN'           / RA---TAN
CTYPE2  = 'DEC--TAN'           / DEC--TAN
CRPIX1  =                597.5 / Reference pixel along axis 1
CRPIX2  =                 294. / Reference pixel along axis 2
CDELT1  =         -0.000333333 / [deg/pix] Plate scale for axis 1 at CRPIX1,CRPI
CDELT2  =          0.000333333 / [deg/pix] Plate scale for axis 2 at CRPIX1,CRPI
CROTA2  =             67.26722 / [deg] Position angle of axis 2 (W of N, +=CW)
          / PHOTOMETRY
BUNIT   = 'MJy/sr  '           / Units of image data (MJyr/Str)
FLUXCONV=               0.1388 / Flux Conv. factor (MJy/Str per DN/sec)
GAIN    =                 3.71 / e/DN conversion
ZODY_EST=            0.2273837 / [MJy/sr] Zodiacal Background Estimate
ISM_EST =           0.00349494 / [MJy/sr] Interstellar Medium Estimate
SKYDRKZB=             0.194852 / [MJy/sr] Zodiacal Background Est of subracted s
          / DATA FLOW KEYWORDS
ORIGIN0 = 'JPL_FOS '           / Site where mosaic was created
CREATOR0= 'J5.3    '           / SW system that created raw-FITS file
AORKEY  =             10529280 / AOR or IER key. Astro. Obs Req/Instr Eng Req
DS_IDENT= 'ads/sa.spitzer#0010529280' / Data Set Identification for ADS/journals
PAONUM  =                  970 / PAO Number
CAMPAIGN= 'IRAC005700'         / Campaign
          / PROCESSING HISTORY
TOTALBCD=                   46 /  Total number of BCD's used in this mosaic
HISTORY hdrupd8           v.  1.5  A50126,  updated   3/14/06 at 12:54:48
HISTORY hdrupd8           v.  1.5  A50126,  updated   3/14/06 at 12:54:48
HISTORY FPGen                     v.         1.25, ran Tue Mar 14 12:54:51 2006
END

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