--------------------------------- extension 0 --------------------------------- SIMPLE = T / Written by IDL: Wed Jun 20 19:38:53 2001 BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 256 / length of data axis 1 NAXIS2 = 256 / length of data axis 2 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. COMMENT CFITSIO package v2.2 used COMMENT ---------------------------------------- COMMENT IRAC Test data using estimated IRAC PSFs COMMENT ---------------------------------------- TELESCOP= 'SIRTF ' / SIRTF Spacecraft INSTRUME= 'IRAC ' / SIRTF Instrument ID ORIGIN = 'GLIMPSE Team' / Creator of FITS file FITSDATE= '2001-06-20T17:36:43' / FITS file creation date FILETYPE= 'BCD ' / Type of File BCDCALVE= 'vers1.8.7' / BCD pipeline calibration version DATEMODI= '2001-06-20T17:36:43' / Date & Time of last modification AORLABEL= 'l303.12891-00.89655.20030306a' / AOR LABEL AORID = '30300 ' / AOR ID Number DCE-ID = 'IRAC000022' / Data Collection Event ID EXP-ID = 45 / Exposure ID CHNLNUM = 1 / Instrument Channel Number CHANID = '3.6 micron' / Channel ID COMANDID= 1 / Command Sequence Number REPEATID= 1 / Repeat Observation Counter DATE-OBS= '2002-11-15' / UT Date of Start of Observation ccyy-mm-dd TIME-OBS= '08:24:03' / UT Time of Start of Observation hh:mm:ss BSCALE = 1.00E+00 / Value=DN * BSCALE + BZERO BZERO = 0.00E+00 BUNIT = 'MJy/SR ' / Unit of Flux OBJECT = 'GLIMPSE_SURVEY' / Image field name EPOCH = 2000.00 / Epoch for RA and Dec OBSRA = 84.6806640625 / SC Pointing RA (deg) OBSDEC = -69.1013870239 / SC Pointing Dec (deg) ORIENTAT= -37.80817 / orientation PA of array EXPTIME = 2.0 / Exposure Time (seconds) COMMENT ---------------------- COMMENT Coordinate System Info COMMENT ---------------------- CTYPE1 = 'RA---TAN' / Type of Axis1 CRPIX1 = 292.000000000 / Reference pixel for x-position CRVAL1 = 84.68066406250 / RA of reference pixel (deg) CRDELT1 = 1.213320 / Delt-pix for array along axis 1 CTYPE2 = 'DEC--TAN' / Type of Axis2 CRPIX2 = 296.500000000 / Reference pixel for y-position CRVAL2 = -69.10138702 / Dec of reference pixel (deg) CRDELT2 = 1.213320 / Delt-pix for array along axis 2 PIXSCALE= 1.213320 / Arcseconds per array pixel CD1_1 = -9.91973700000E-06 / Partial of the right ascension w.r.t. x CD1_2 = -7.69680300000E-06 / Partial of the right ascension w.r.t. y CD2_1 = -7.69680500000E-06 / Partial of the declination w.r.t. x CD2_2 = 9.91973900000E-06 / Partial of the declination w.r.t. y LTM_1 = 1.000000 / TNX LTM_2 = 1.000000 / TNX WAT0_001= 'system=image' / TNX WAT1_001= 'w_type=tnx axtype=ra lngcor = "3. 3. 3. 2. -0.0186' / TNX WAT2_001= 'w_type=tnx axtype=dec' / TNX WAT1_002= '64275952726732 -0.01955085100626601 0.019551529889' / TNX WAT1_003= '320153e-4 -1.160715148487726e-9 0.1317358092213299' / TNX WAT1_004= '2e-6 -0.053457355344205221 4.87435004971426 "' / TNX COMMENT --------------------- COMMENT Flux calibration info COMMENT --------------------- PHOTMODE= 'IRAC FULL-ARRAY MODE' / Photometry mode PHOTFLAM= 2.507903E-18 / Inverse sensitivity COMMENT ---------------------------------- COMMENT IRAC SSC Pipeline Processing Steps COMMENT ---------------------------------- TRANHEAD= 'COMPLETE' / Translate/derive required FITS keywords INSBPOSD= 'COMPLETE' / Positive-domain transformation of InSb data CVTI2R4 = 'COMPLETE' / Conversion from I*2 to R*4 & truncation correct IMFLIPRO= 'COMPLETE' / Image re-orientation WRAPDET1= 'COMPLETE' / Detection of negative image-data values WRAPDET2= 'COMPLETE' / Spatial detection of negative values WRAPCORR= 'COMPLETE' / Correction of negative image-data values IRACNORM= 'COMPLETE' / Barrel-shift corr & Fowler-N normalization IRACEBWC= 'COMPLETE' / Electronic bandwidth correction of image data LATIMDET= 'COMPLETE' / Latent image detection DARKSUB = 'COMPLETE' / Dark-current subtraction MUXBLCOR= 'COMPLETE' / Mux-bleed correction DARKDRFT= 'COMPLETE' / Dark-current offset estimation & removal LINEARIZ= 'COMPLETE' / Linearity correction FLATAP = 'COMPLETE' / Flat-field correction MEDFILTR= 'COMPLETE' / Median background subtraction RHDETECT= 'COMPLETE' / Single-frame LMF rad-hit detection DNTOFLUX= 'COMPLETE' / Conversion from DN to absolute flux-density uni QATOOL = 'COMPLETE' / Quality-assurance characterization COMMENT ----------------------------------- COMMENT IRAC SSC Pipeline Calibration Files COMMENT ----------------------------------- DARKFILE= 'dark0008.fits' / Name of dark reference file DARKDFIL= 'darkdqf008.fits' / Name of dark reference DQF FLATFILE= 'flat0004.fits' / Name of flat field reference file FLATDFIL= 'flatdqf0004.fits' / Name of flat field reference DQF COMMENT -------------------------- COMMENT GLIMPSE AOR-related fields COMMENT -------------------------- AORTYPE = 'IRAC Mapping' / AOR Type MOVTGT = F / Moving Target TGTTYPE = 'FIXED SINGLE' / Target Type HIDYNAMI= T / Hi Dynamic Range DITHPATT= 'NONE ' / Dither Pattern DITHERSC= 1.700 / Dither Scale NFRAMES = 1 / Number Frames per Pointing MAPPING = T / Mapping MAPTYPE = 'RECTANGULAR' / Map Type MAPROWS = 2 / Map Rows MAPCOLS = 6 / Map Columns ROWSTEP = 295.200 / Map Row Step COLSTEP = 295.200 / Map Column Step MAPORIEN= 'ARRAY ' / Map Orientation (ARRAY or CELESTIAL) NCYCLES = 1 / Map N Cycles DITHRPOS= 4.430 / Current Location in the dither table ROWCURNT= 1 / Current Row Location in Map COLCURNT= 3 / Current Column Location in Map HISTORY HROT:Jun 20 19:38:52 2001 Rotated by 0.00 Degrees HISTORY HROT:Jun 20 19:38:52 2001 Bilinear Intepolation HISTORY HEXTRACT: Wed Jun 20 19:38:52 2001 HISTORY Original image size was 512 by 512 HISTORY Extracted Image: [128:383,128:383] END