load fits

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Description

Load a FITS file into davinci

Arguments and Return Values

Arguments: A filename and an extension

Return Value: A FITS data structure

Usage

Syntax: load_fits(filename = STRING [, extension = STRING])

'filename' - A string containing the path and filename of a FITS file

'extension' - An optional filename extension string

Examples 

dv> a=load_fits("NICMOSn4hk12010_mos.fits")
cfitsio ERROR occured:
       column number < 1 or > tfields

struct, 6 elements
   object_1: struct, 166 elements
       SIMPLE: 1
       BITPIX: 16
       NAXIS: 0
       EXTEND: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       NEXTEND: 5
       DATE: "'2004-01-09T03:27:48'"
       FILENAME: "'n4hk12010_mos.fits'"
       FILETYPE: "'SCI      '"
       TELESCOP: "'HST'"
       INSTRUME: "'NICMOS'"
       EQUINOX: 2000.00
       ROOTNAME: "'N4HK12010'"
       IMAGETYP: "'EXT               '"
       PRIMESI: "'NICMOS'"
       TARGNAME: "'NGC4151                       '"
       RA_TARG: 182.636
       DEC_TARG: 39.4059
       ECL_LONG: 164.097
       ECL_LAT: 36.6241
       GAL_LONG: 155.077
       GAL_LAT: 75.0629
       PROPOSID: 7215
       LINENUM: "'12.010         '"
       PR_INV_L: "'Thompson                      '"
       PR_INV_F: "'Rodger              '"
       PR_INV_M: "'I.                  '"
       ORIENTAT: -97.7898
       SUNANGLE: 100.586
       MOONANGL: 137.993
       SUN_ALT: -30.3312
       FGSLOCK: "'FINE              '"
       DATE-OBS: "'1998-05-22'"
       TIME-OBS: "'05:37:41'"
       EXPSTART: 50955.2
       EXPEND: 50955.2
       EXPTIME: 63.9643
       EXPFLAG: "'NORMAL       '"
       CAMERA: 2
       PRIMECAM: 2
       FOCUS: "'CAMERA2   '"
       APERTURE: "'NIC2-FIX  '"
       OBSMODE: "'MULTIACCUM'"
       FILTER: "'F222M  '"
       NUMITER: 1
       NREAD: 1
       NSAMP: 10
       SAMP_SEQ: "'STEP32  '"
       CR_ELIM: "'NoCR    '"
       SAT_ELIM: "'YES     '"
       CRTHRESH: 0.00000
       SATHRESH: 0.00000
       VARSCALE: 0.00000
       FOMXPOS: 0.00000
       FOMYPOS: 0.00000
       NFXTILTP: 0.00748114
       NFYTILTP: 0.00550260
       NPXTILTP: 2799.00
       NPYTILTP: 2831.00
       NPFOCUSP: 0.617914
       TIMEPATT: 12
       READOUT: "'FAST'"
       SAMPZERO: 0.203000
       HCLKRATE: 10.4900
       VIDEO_BW: 400.000
       ADCGAIN: 5.00000
       BACKEST1: 0.00000
       BACKEST2: 0.00000
       BACKEST3: 0.00000
       PHOTMODE: "'NICMOS,2,F222M,DN'"
       PHOTFLAM: 3.21763e-19
       PHOTFNU: 5.28085e-06
       PHOTZPT: -21.1000
       PHOTPLAM: 22181.7
       PHOTBW: 511.854
       SAA_EXIT: "'                 '"
       SAA_TIME: 0
       SAA_DARK: "'N/A      '"
       SAACRMAP: "'N/A               '"
       MASKFILE: "'nref$h4214599n_msk.fits'"
       NOISFILE: "'nref$h4216218n_noi.fits'"
       NLINFILE: "'nref$l1i1225en_lin.fits'"
       DARKFILE: "'nref$had12036n_drk.fits'"
       TEMPFILE: "'nref$m3b1331hn_tdd.fits'"
       FLATFILE: "'nref$icb15084n_flt.fits'"
       PHOTTAB: "'nref$i7l12297n_pht.fits'"
       BACKTAB: "'N/A                    '"
       MASKPDGR: "'GROUND 15/01/1997'"
       NOISPDGR: "'GROUND 27/01/1997'"
       NLINPDGR: "'INFLIGHT 05/08/1999'"
       DARKPDGR: "'MODEL 18/02/2002'"
       FLATPDGR: "'INFLIGHT 04/08/98'"
       PHOTPDGR: "'INFLIGHT 05/08/1997 - 07/08/1997'"
       BACKPDGR: "'                                        '"
       BIASCORR: "'PERFORM '"
       ZSIGCORR: "'PERFORM '"
       ZOFFCORR: "'PERFORM '"
       MASKCORR: "'PERFORM '"
       NOISCALC: "'PERFORM '"
       NLINCORR: "'PERFORM '"
       DARKCORR: "'PERFORM '"
       BARSCORR: "'PERFORM '"
       FLATCORR: "'PERFORM '"
       UNITCORR: "'PERFORM '"
       PHOTCALC: "'PERFORM '"
       CRIDCALC: "'PERFORM '"
       BACKCALC: "'PERFORM '"
       WARNCALC: "'PERFORM '"
       BIASDONE: "'PERFORMED'"
       ZSIGDONE: "'PERFORMED'"
       ZOFFDONE: "'PERFORMED'"
       MASKDONE: "'PERFORMED'"
       NOISDONE: "'PERFORMED'"
       NLINDONE: "'PERFORMED'"
       DARKDONE: "'PERFORMED'"
       BARSDONE: "'PERFORMED'"
       FLATDONE: "'PERFORMED'"
       UNITDONE: "'PERFORMED'"
       PHOTDONE: "'PERFORMED'"
       CRIDDONE: "'PERFORMED'"
       BACKDONE: "'         '"
       WARNDONE: "'         '"
       CALSTAGE: "'CALNICB '"
       CAL_VER: "'Version 2.7'"
       PROCTIME: 53013.1
       OPUS_VER: "'OPUS 14.5a        '"
       ILLMCORR: "'PERFORM '"
       ILLMDONE: "'SKIPPED '"
       ILLMFILE: "'nref$h241324an_ilm.fits'"
       ILLMPDGR: "'DUMMY 04/02/1997'"
       MEAN_BKG: 0.00000
       PATTERN1: "'NIC-SPIRAL-DITH         '"
       P1_SHAPE: "'SPIRAL            '"
       P1_PURPS: "'DITHER    '"
       P1_NPTS: 6
       P1_PSPAC: 0.540000
       P1_LSPAC: 0.00000
       P1_ANGLE: 0.00000
       P1_FRAME: "'POS-TARG '"
       P1_ORINT: 180.000
       P1_CENTR: "'NO '"
       BKG_OFF: "'SAM'"
       PATTSTEP: 1
       PATT_OFF: "'SAM-NO-REACQ      '"
       PATTERN: "'SPIRAL-DITH       '"
       PORIENT: -97.7898
       NUMPOS: 6
       DITHSIZE: 0.540000
       PATT_POS: 1
       NCHKBOXX: 119
       NCHKBOXY: 106
       NTABOXSZ: 3
       NXCENT: 30782
       NYCENT: 27576
       NXCENTP: 120.242
       NYCENTP: 107.719
       NBOXSUM: 1122
       NOFFSETX: 9649
       NOFFSETY: 55592
       NOFFSTXP: 75.3822
       NOFFSTYP: -77.6875
       NSLEWCON: "'Clear'"
       ASN_ID: "'N4HK12010 '"
       ASN_TAB: "'n4hk12010_asn.fits     '"
       ASN_MTYP: "'PROD-TARG'"
   object_2: struct, 79 elements
       XTENSION: "'IMAGE   '"
       BITPIX: -32
       NAXIS: 2
       NAXIS1: 270
       NAXIS2: 263
       PCOUNT: 0
       GCOUNT: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       EXTNAME: "'SCI     '"
       EXTVER: 1
       DATE: "'2004-01-09T03:27:48'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       DATAMIN: -1.08909
       DATAMAX: 2730.90
       INHERIT: 1
       EXPNAME: "'N4HK12010'"
       BUNIT: "'COUNTS/S'"
       WCSAXES: 2
       CRPIX1: 135.500
       CRPIX2: 132.000
       CRVAL1: 182.636
       CRVAL2: 39.4059
       CTYPE1: "'RA---TAN'"
       CTYPE2: "'DEC--TAN'"
       CD1_1: 2.86146e-06
       CD1_2: -2.07292e-05
       CD2_1: -2.09168e-05
       CD2_2: -2.83578e-06
       FILLCNT: 0
       ERRCNT: 0
       PODPSFF: 0
       STDCFFF: 0
       STDCFFP: "'x5569 '"
       SAMPNUM: 9
       SAMPTIME: 63.9643
       DELTATIM: 31.9992
       ROUTTIME: 50955.2
       TDFTRANS: 0
       ENGQUAL: "'NORMAL  '"
       NQUAL00: 63105
       NQUAL01: 0
       NQUAL02: 0
       NQUAL03: 0
       NQUAL04: 0
       NQUAL05: 0
       NQUAL06: 0
       NQUAL07: 0
       NQUAL08: 0
       NQUAL09: 53
       NQUAL10: 0
       NQUAL11: 7784
       NQUAL12: 222
       GOODMEAN: 0.00990038
       GOODMEDN: -0.0219823
       GOODSTDV: 0.147284
       GOODMIN: -1.08909
       GOODMAX: 2.07328
       QAMEAN: 0.0235303
       QAMEDN: -0.00758591
       QASTDV: 0.136273
       QAMIN: -1.08909
       QAMAX: 1.76771
       QBMEAN: 0.0166491
       QBMEDN: -0.0174867
       QBSTDV: 0.146786
       QBMIN: -0.510894
       QBMAX: 2.07328
       QCMEAN: -0.0171099
       QCMEDN: -0.0577029
       QCSTDV: 0.156600
       QCMIN: -0.381141
       QCMAX: 0.578120
       QDMEAN: 0.0140375
       QDMEDN: -0.0160447
       QDSTDV: 0.146783
       QDMIN: -0.298324
       QDMAX: 1.04448
       ROOTNAME: "'N4HK12010'"
       data: 270x263x1 array of float, bsq format [284,040 bytes]
   object_3: struct, 35 elements
       XTENSION: "'IMAGE   '"
       BITPIX: -32
       NAXIS: 2
       NAXIS1: 270
       NAXIS2: 263
       PCOUNT: 0
       GCOUNT: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       EXTNAME: "'ERR     '"
       EXTVER: 1
       DATE: "'2004-01-09T03:27:48'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       DATAMIN: 0.00000
       DATAMAX: 5.58864
       INHERIT: 1
       EXPNAME: "'N4HK12010'"
       BUNIT: "'COUNTS/S'"
       WCSAXES: 2
       CRPIX1: 135.500
       CRPIX2: 132.000
       CRVAL1: 182.636
       CRVAL2: 39.4059
       CTYPE1: "'RA---TAN'"
       CTYPE2: "'DEC--TAN'"
       CD1_1: 2.86146e-06
       CD1_2: -2.07292e-05
       CD2_1: -2.09168e-05
       CD2_2: -2.83578e-06
       FILLCNT: 0
       ERRCNT: 0
       PODPSFF: 0
       STDCFFF: 0
       STDCFFP: "'x5569 '"
       ROOTNAME: "'N4HK12010'"
       data: 270x263x1 array of float, bsq format [284,040 bytes]
   object_4: struct, 35 elements
       XTENSION: "'IMAGE   '"
       BITPIX: 16
       NAXIS: 2
       NAXIS1: 270
       NAXIS2: 263
       PCOUNT: 0
       GCOUNT: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       EXTNAME: "'DQ      '"
       EXTVER: 1
       DATE: "'2004-01-09T03:27:48'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       DATAMIN: 0.00000
       DATAMAX: 3072.00
       INHERIT: 1
       EXPNAME: "'N4HK12010'"
       BUNIT: "'UNITLESS          '"
       WCSAXES: 2
       CRPIX1: 135.500
       CRPIX2: 132.000
       CRVAL1: 182.636
       CRVAL2: 39.4059
       CTYPE1: "'RA---TAN'"
       CTYPE2: "'DEC--TAN'"
       CD1_1: 2.86146e-06
       CD1_2: -2.07292e-05
       CD2_1: -2.09168e-05
       CD2_2: -2.83578e-06
       FILLCNT: 0
       ERRCNT: 0
       PODPSFF: 0
       STDCFFF: 0
       STDCFFP: "'x5569 '"
       ROOTNAME: "'N4HK12010'"
       data: 270x263x1 array of short, bsq format [142,020 bytes]
   object_5: struct, 35 elements
       XTENSION: "'IMAGE   '"
       BITPIX: 16
       NAXIS: 2
       NAXIS1: 270
       NAXIS2: 263
       PCOUNT: 0
       GCOUNT: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       EXTNAME: "'SAMP    '"
       EXTVER: 1
       DATE: "'2004-01-09T03:27:48'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       DATAMIN: 0.00000
       DATAMAX: 6.00000
       INHERIT: 1
       EXPNAME: "'N4HK12010'"
       BUNIT: "'SAMPLES           '"
       WCSAXES: 2
       CRPIX1: 135.500
       CRPIX2: 132.000
       CRVAL1: 182.636
       CRVAL2: 39.4059
       CTYPE1: "'RA---TAN'"
       CTYPE2: "'DEC--TAN'"
       CD1_1: 2.86146e-06
       CD1_2: -2.07292e-05
       CD2_1: -2.09168e-05
       CD2_2: -2.83578e-06
       FILLCNT: 0
       ERRCNT: 0
       PODPSFF: 0
       STDCFFF: 0
       STDCFFP: "'x5569 '"
       ROOTNAME: "'N4HK12010'"
       data: 270x263x1 array of short, bsq format [142,020 bytes]
   object_6: struct, 35 elements
       XTENSION: "'IMAGE   '"
       BITPIX: -32
       NAXIS: 2
       NAXIS1: 270
       NAXIS2: 263
       PCOUNT: 0
       GCOUNT: 1
       ORIGIN: "'NOAO-IRAF FITS Image Kernel December 2001'"
       EXTNAME: "'TIME    '"
       EXTVER: 1
       DATE: "'2004-01-09T03:27:48'"
       IRAF-TLM: "'03:27:48 (09/01/2004)'"
       DATAMIN: 0.00000
       DATAMAX: 383.786
       INHERIT: 1
       EXPNAME: "'N4HK12010'"
       BUNIT: "'SECONDS           '"
       WCSAXES: 2
       CRPIX1: 135.500
       CRPIX2: 132.000
       CRVAL1: 182.636
       CRVAL2: 39.4059
       CTYPE1: "'RA---TAN'"
       CTYPE2: "'DEC--TAN'"
       CD1_1: 2.86146e-06
       CD1_2: -2.07292e-05
       CD2_1: -2.09168e-05
       CD2_2: -2.83578e-06
       FILLCNT: 0
       ERRCNT: 0
       PODPSFF: 0
       STDCFFF: 0
       STDCFFP: "'x5569 '"
       ROOTNAME: "'N4HK12010'"
       data: 270x263x1 array of float, bsq format [284,040 bytes]


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Modified On: 03-27-2006

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