SIMPLE  =                    T / file does conform to FITS standard             BITPIX  =                    8 / 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 'AstronomyCOMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H COMMENT   FITS (Flexible Image Transport System) format defined in Astronomy andCOMMENT   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.             HDRVER  = '6.6             '   / Header version                                 FITSTYPE= 'PSRFITS         '   / FITS definition for pulsar data files          DATE    = '2022-08-06T18:42:39' / File creation date (YYYY-MM-DDThh:mm:ss UTC)  OBSERVER= '                '   / Observer name(s)                               PROJID  = '                '   / Project name                                   TELESCOP= 'GBT     '           / Telescope name                                 ANT_X   = '*       '           / [m] Antenna ITRF X-coordinate (D)              ANT_Y   = '*       '           / [m] Antenna ITRF Y-coordinate (D)              ANT_Z   = '*       '           / [m] Antenna ITRF Z-coordinate (D)              FRONTEND= 'Rcvr1_2 '           / Receiver ID                                    IBEAM   = '        '           / Beam ID for multibeam systems                  NRCVR   = '*       '           / Number of receiver polarisation channels       FD_POLN = 'LIN     '           / LIN or CIRC                                    FD_HAND =                    1 / +/- 1. +1 is LIN:A=X,B=Y, CIRC:A=L,B=R (I)     FD_SANG =                  45. / [deg] FA of E vect for equal sig in A&B (E)    FD_XYPH =                   0. / [deg] Phase of A^* B for injected cal (E)      BACKEND = 'VEGAS   '           / Backend ID                                     BECONFIG= '                '   / Backend configuration file name                BE_PHASE=                    1 / 0/+1/-1 BE cross-phase:0 unknown,+/-1 std/rev  BE_DCC  =                    0 / 0/1 BE downconversion conjugation corrected    BE_DELAY=                   0. / [s] Backend propn delay from digitiser input   TCYCLE  = '*       '           / [s] On-line cycle time (D)                     OBS_MODE= 'SEARCH  '           / (PSR, CAL, SEARCH)                             DATE-OBS= 'UNSETTUNSET'        / Date of observation (YYYY-MM-DDThh:mm:ss UTC)  OBSFREQ =          1500.195312 / [MHz] Centre frequency for observation         OBSBW   =                 800. / [MHz] Bandwidth for observation                OBSNCHAN=                 2048 / Number of frequency channels (original)        CHAN_DM = '*       '           / [cm-3 pc] DM used for on-line dedispersion     PNT_ID  = '        '           / Name or ID for pointing ctr (multibeam feeds)  SRC_NAME= 'J1713+0747'         / Source or scan ID                              COORD_MD= 'J2000   '           / Coordinate mode (J2000, GALACTIC, ECLIPTIC)    EQUINOX =                2000. / Equinox of coords (e.g. 2000.0)                RA      = '17:13:49.432'       / Right ascension (hh:mm:ss.ssss)                DEC     = '+07:47:37.241'      / Declination (-dd:mm:ss.sss)                    BMAJ    =                   0. / [deg] Beam major axis length                   BMIN    =                   0. / [deg] Beam minor axis length                   BPA     =                   0. / [deg] Beam position angle                      STT_CRD1= 'UNSET   '           / Start coord 1 (hh:mm:ss.sss or ddd.ddd)        STT_CRD2= 'UNSET   '           / Start coord 2 (-dd:mm:ss.sss or -dd.ddd)       TRK_MODE= 'UNSET   '           / Track mode (TRACK, SCANGC, SCANLAT)            STP_CRD1= 'UNSET   '           / Stop coord 1 (hh:mm:ss.sss or ddd.ddd)         STP_CRD2= 'UNSET   '           / Stop coord 2 (-dd:mm:ss.sss or -dd.ddd)        SCANLEN = '*       '           / [s] Requested scan length (E)                  FD_MODE = 'FA      '           / Feed track mode - FA, CPA, SPA, TPA            FA_REQ  =                   0. / [deg] Feed/Posn angle requested (E)            CAL_MODE= '                '   / Cal mode (OFF, SYNC, EXT1, EXT2)               CAL_FREQ= '*       '           / [Hz] Cal modulation frequency (E)              CAL_DCYC= '*       '           / Cal duty cycle (E)                             CAL_PHS = '*       '           / Cal phase (wrt start time) (E)                 CAL_NPHS= '*       '           / Number of states in cal pulse (I)              STT_IMJD=                58966 / Start MJD (UTC days) (J - long integer)        STT_SMJD=                24913 / [s] Start time (sec past UTC 00h) (J)          STT_OFFS=                   0. / [s] Start time offset (D)                      STT_LST =                   0. / [s] Start LST (D)                              END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / ***** Processing history *****                 BITPIX  =                    8 / N/A                                            NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                  820 / width of table in bytes                        NAXIS2  =                    1 / number of rows                                 PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                   29 / number of fields per row                       TTYPE1  = 'DATE_PRO'           / Processing date and time (UTC)                 TFORM1  = '24A     '           / 24-char string                                 TTYPE2  = 'PROC_CMD'           / Processing program and command                 TFORM2  = '256A    '           / 256-char string                                TTYPE3  = 'SCALE   '           / Units (FluxDen/RefFlux/Jansky)                 TFORM3  = '8A      '           / 8-char string                                  TTYPE4  = 'POL_TYPE'           / Polarisation identifier                        TFORM4  = '8A      '           / 8-char string                                  TTYPE5  = 'NSUB    '           / Number of Sub-Integrations                     TFORM5  = '1J      '           / Long integer                                   TTYPE6  = 'NPOL    '           / Number of polarisations                        TFORM6  = '1I      '           / Integer                                        TTYPE7  = 'NBIN    '           / Nr of bins per product (0 for SEARCH mode)     TFORM7  = '1I      '           / Integer                                        TTYPE8  = 'NBIN_PRD'           / Nr of bins per period                          TFORM8  = '1I      '           / Integer                                        TTYPE9  = 'TBIN    '           / Time per bin or sample                         TFORM9  = '1D      '           / Double                                         TTYPE10 = 'CTR_FREQ'           / Band centre frequency (weighted)               TFORM10 = '1D      '           / Double                                         TTYPE11 = 'NCHAN   '           / Number of frequency channels                   TFORM11 = '1J      '           / Long integer                                   TTYPE12 = 'CHAN_BW '           / Channel bandwidth                              TFORM12 = '1D      '           / Double                                         TTYPE13 = 'REF_FREQ'           / Reference frequency                            TFORM13 = '1D      '           / Double                                         TTYPE14 = 'DM      '           / DM used for dedispersion                       TFORM14 = '1D      '           / Double                                         TTYPE15 = 'RM      '           / RM used for RM correction                      TFORM15 = '1D      '           / Double                                         TTYPE16 = 'PR_CORR '           / Projection of receptors onto sky corrected     TFORM16 = '1I      '           / Integer flag                                   TTYPE17 = 'FD_CORR '           / Feed basis correction applied                  TFORM17 = '1I      '           / Integer flag                                   TTYPE18 = 'BE_CORR '           / Backend correction applied                     TFORM18 = '1I      '           / Integer flag                                   TTYPE19 = 'RM_CORR '           / RM correction applied                          TFORM19 = '1I      '           / Integer flag                                   TTYPE20 = 'DEDISP  '           / Data dedispersed                               TFORM20 = '1I      '           / Integer flag                                   TTYPE21 = 'DDS_MTHD'           / Dedispersion method                            TFORM21 = '32A     '           / 32-char string                                 TTYPE22 = 'SC_MTHD '           / Scattered power correction method              TFORM22 = '32A     '           / 32-char string                                 TTYPE23 = 'CAL_MTHD'           / Calibration method                             TFORM23 = '32A     '           / 32-char string                                 TTYPE24 = 'CAL_FILE'           / Name of gain calibration file                  TFORM24 = '256A    '           / 256-char string                                TTYPE25 = 'RFI_MTHD'           / RFI excision method                            TFORM25 = '32A     '           / 32-char string                                 TTYPE26 = 'RM_MODEL'           / Auxiliary Faraday rotation model description   TFORM26 = '32A     '           / 32-char string                                 TTYPE27 = 'AUX_RM_C'           / Auxiliary Faraday rotation corrected flag      TFORM27 = '1I      '           / Integer flag                                   TTYPE28 = 'DM_MODEL'           / Auxiliary dispersion model description         TFORM28 = '32A     '           / 32-char string                                 TTYPE29 = 'AUX_DM_C'           / Auxiliary dispersion corrected flag            TFORM29 = '1I      '           / Integer flag                                   EXTNAME = 'HISTORY '           / name of this binary table extension            TUNIT9  = 's       '           / units of field                                 TUNIT10 = 'MHz     '           / units of field                                 TUNIT12 = 'MHz     '           / units of field                                 TUNIT13 = 'MHz     '           / units of field                                 TUNIT14 = 'CM-3    '                                                            TUNIT15 = 'RAD     '                                                            EXTVER  =                    1 / auto assigned by template parser               END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             Sat Aug  6 14:42:39 2022UNKNOWN                                                                                                                                                                                                                                                         FluxDen AABBCRCI


@—pÇÿÞr¿ÙUNSET                           NONE                            NONE                            NONE                                                                                                                                                                                                                                                            NONE                            NONE                            NONE                            XTENSION= 'BINTABLE'           / ***** pcm interpolation *****                  BITPIX  =                    8 / N/A                                            NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                 4124 / width of table in bytes                        NAXIS2  =                    0 / number of rows in table                        PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    8 / Number of fields per row                       TTYPE1  = 'MODEL   '           / Code for model (FEEDPAR or CAL_POLN)           TFORM1  = '1J      '           / Integer code                                   TTYPE2  = 'IPARAM  '           / Index of model parameter                       TFORM2  = '1J      '           / Integer                                        TTYPE3  = 'LOGSMTH '           / Base 10 logarithm of smoothing factor          TFORM3  = '1E      '           / Float                                          TTYPE4  = 'CHISQ   '           / Total chi-squared (objective merit function)   TFORM4  = '1E      '           / Float                                          TTYPE5  = 'NDAT    '           / Number of data used to constrain interpolator  TFORM5  = '1J      '           / Integer                                        TTYPE6  = 'NFLAG_IN'           / Number of input data flagged before fit        TFORM6  = '1J      '           / Integer                                        TTYPE7  = 'NFLAG_OUT'          / Number of input data flagged after fit         TFORM7  = '1J      '           / Integer                                        TTYPE8  = 'INTERTXT'           / Text that describes interpolator               TFORM8  = '4096A   '           / 4k of text per row                             EXTNAME = 'PCMINTER'           / Name of this binary table extension            CAL_MTHD= '                  ' / Name of FEEDPAR model                          COUPLING= '                  ' / Point at which reference signal is coupled     NRCVR   = '*       '           / Number of polarisations in flux calibrator (I) SCALE   = '                  ' / Flux scale in flux calibrator (S_CAL or SCALE) NPARAM  = '*       '           / Number of model parameters interpolated (V)    NCHAN_IN= '*       '           / Number of frequency channels in input data (V) NSUB_IN = '*       '           / Number of epochs in input data (V)             REFFREQ = '*       '           / [MHz] Reference frequency of interpolator (D)  MINFREQ = '*       '           / [MHz] Minimum frequency of interpolator (D)    MAXFREQ = '*       '           / [MHz] Maximum frequency of interpolator (D)    REFEPOCH= '*       '           / [MJD] Reference epoch of interpolator (D)      MINEPOCH= '*       '           / [MJD] Minimum epoch of interpolator (D)        MAXEPOCH= '*       '           / [MJD] Maximum epoch of interpolator (D)        EXTVER  =                    1 / auto assigned by template parser               END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             XTENSION= 'BINTABLE'           / ***** Subintegration data  *****               BITPIX  =                    8 / N/A                                            NAXIS   =                    2 / 2-dimensional binary table                     NAXIS1  =                90152 / width of table in bytes                        NAXIS2  =                    1 / Number of rows in table (NSUBINT)              PCOUNT  =                    0 / size of special data area                      GCOUNT  =                    1 / one data group (required keyword)              TFIELDS =                    9 / Number of fields per row                       TTYPE1  = 'INDEXVAL'           / Optionally used if INT_TYPE != TIME            TFORM1  = '1D      '           / Double                                         TTYPE2  = 'TSUBINT '           / Length of subintegration                       TFORM2  = '1D      '           / Double                                         TTYPE3  = 'OFFS_SUB'           / Offset from Start of subint centre             TFORM3  = '1D      '           / Double                                         TTYPE4  = 'AUX_DM  '           / additional DM (ionosphere, corona, etc.)       TFORM4  = '1D      '           / Double                                         TTYPE5  = 'AUX_RM  '           / additional RM (ionosphere, corona, etc.)       TFORM5  = '1D      '           / Double                                         TTYPE6  = 'DAT_FREQ'           / [MHz] Centre frequency for each channel        TFORM6  = '2048D   '           / NCHAN doubles                                  TTYPE7  = 'DAT_WTS '           / Weights for each channel                       TFORM7  = '2048E   '           / NCHAN floats                                   TTYPE8  = 'DAT_OFFS'           / Data offset for each channel                   TFORM8  = '8192E   '           / NCHAN*NPOL floats                              TTYPE9  = 'DAT_SCL '           / Data scale factor (outval=dataval*scl + offs)  TFORM9  = '8192E   '           / NCHAN*NPOL floats                              EPOCHS  = 'VALID   '           / Epoch convention (VALID, MIDTIME, STT_MJD)     INT_TYPE= 'TIME    '           / Time axis (TIME, BINPHSPERI, BINLNGASC, etc)   INT_UNIT= 'SEC     '           / Unit of time axis (SEC, PHS (0-1), DEG)        SCALE   = 'FluxDen '           / Intensity units (FluxDen/RefFlux/Jansky)       POL_TYPE= 'AABBCRCI'           / Polarisation identifier (e.g., AABBCRCI, AA+BB)NPOL    =                    4 / Nr of polarisations                            TBIN    = '*       '           / [s] Time per bin or sample                     NBIN    =                    1 / Nr of bins (PSR/CAL mode; else 1)              NBIN_PRD= '*       '           / Nr of bins/pulse period (for gated data)       PHS_OFFS= '*       '           / Phase offset of bin 0 for gated data           NBITS   = '*       '           / Nr of bits/datum (SEARCH mode data, else 1)    ZERO_OFF= '*       '           / Zero offset for SEARCH-mode data               SIGNINT = '*       '           / 1 for signed ints in SEARCH-mode data, else 0  NSUBOFFS= '*       '           / Subint offset (Contiguous SEARCH-mode files)   NCHAN   =                 2048 / Number of channels/sub-bands in this file      CHAN_BW =            -0.390625 / [MHz] Channel/sub-band width                   REFFREQ =          1500.195312 / [MHz] Reference frequency                      DM      =            15.992196 / [cm-3 pc] DM for post-detection dedisperion    RM      =                   0. / [rad m-2] RM for post-detection deFaraday      NCHNOFFS= '*       '           / Channel/sub-band offset for split files        NSBLK   = '*       '           / Samples/row (SEARCH mode, else 1)              NSTOT   = '*       '           / Total number of samples (SEARCH mode, else 1)  EXTNAME = 'SUBINT  '           / name of this binary table extension            TUNIT2  = 's       '           / Units of field                                 TUNIT3  = 's       '           / Units of field                                 TUNIT4  = 'CM-3    '                                                            TUNIT5  = 'RAD     '                                                            TUNIT6  = 'MHz     '           / Units of field                                 EXTVER  =                    1 / auto assigned by template parser                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               END                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        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