Summary of FITS file J/A+A/644/A73/fits/figA5_0.fit:
--- fits/figA5_0.fit ⇩Download⇩ file
ext xtension bpx (dim) x2880 extname
000 main 8 () 2b
001 BINTABLE 8 (812x10/28f) 5b HISTORY [0/811(1)] [0/9(1)]
002 BINTABLE 8 (128x15/1f) 2b PSRPARAM [0/127(1)] [0/14(1)]
003 BINTABLE 8 (128x43/1f) 3b T2PREDICT [0/127(1)] [0/42(1)]
004 BINTABLE 8 (1084x7000/10f) 2639b SUBINT [0/1083(1)] [0/6999(1)]
The header of the FITS file is listed below,
followed by a sample of values (limited to 1000 lines).
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#--- fits/figA5_0.fit
#ext xtension bpx (dim) x2880 extname
#-------------------------------------------------------------------------------
#000 main 8 () 2b
#-------------------------------------------------------------------------------
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 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
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.
HDRVER = '5.4 ' / Header version
FITSTYPE= 'PSRFITS ' / FITS definition for pulsar data files
DATE = '2020-09-20T04:39:20' / File creation date (YYYY-MM-DDThh:mm:ss UTC)
OBSERVER= ' ' / Observer name(s)
PROJID = 'JMSPsrObs2015' / Project name
TELESCOP= 'JMS ' / Telescope name
ANT_X = 0. / [m] Antenna ITRF X-coordinate (D)
ANT_Y = 0. / [m] Antenna ITRF Y-coordinate (D)
ANT_Z = 0. / [m] Antenna ITRF Z-coordinate (D)
FRONTEND= '0 ' / Receiver ID
IBEAM = ' ' / Beam ID for multibeam systems
NRCVR = 2 / 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 = 'PSR_V1 ' / Backend ID
BECONFIG= ' ' / Backend configuration file name
BE_PHASE= 0 / 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 = 0. / [s] On-line cycle time (D)
OBS_MODE= 'PSR ' / (PSR, CAL, SEARCH)
DATE-OBS= '2016-02-24T05:27:15' / Date of observation (YYYY-MM-DDThh:mm:ss UTC)
OBSFREQ = 2253. / [MHz] Centre frequency for observation
OBSBW = 150. / [MHz] Bandwidth for observation
OBSNCHAN= 256 / Number of frequency channels (original)
CHAN_DM = 0. / [cm-3 pc] DM used for on-line dedispersion
PNT_ID = ' ' / Name or ID for pointing ctr (multibeam feeds)
SRC_NAME= 'J0332+5434' / Source or scan ID
COORD_MD= 'J2000 ' / Coordinate mode (J2000, GALACTIC, ECLIPTIC)
EQUINOX = 2000. / Equinox of coords (e.g. 2000.0)
RA = '03:32:59.300' / Right ascension (hh:mm:ss.ssss)
DEC = '+54:34:43.500' / 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= '03:32:59.300' / Start coord 1 (hh:mm:ss.sss or ddd.ddd)
STT_CRD2= '+54:34:43.500' / Start coord 2 (-dd:mm:ss.sss or -dd.ddd)
TRK_MODE= 'TRACK ' / Track mode (TRACK, SCANGC, SCANLAT)
STP_CRD1= '03:32:59.3' / Stop coord 1 (hh:mm:ss.sss or ddd.ddd)
STP_CRD2= '+54:34:43.5' / 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= 57442 / Start MJD (UTC days) (J - long integer)
STT_SMJD= 19634 / [s] Start time (sec past UTC 00h) (J)
STT_OFFS= 0.554458897683787 / [s] Start time offset (D)
STT_LST = 1469.62320524722 / [s] Start LST (D)
END
END
#001 BINTABLE 8 (812x10/28f) 5b HISTORY [0/811(1)] [0/9(1)]
#-------------------------------------------------------------------------------
XTENSION= 'BINTABLE' / ***** Processing history *****
BITPIX = 8 / N/A
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 812 / width of table in bytes
NAXIS2 = 10 / number of rows
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 28 / 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 = 'DM ' / DM used for dedispersion
TFORM13 = '1D ' / Double
TTYPE14 = 'RM ' / RM used for RM correction
TFORM14 = '1D ' / Double
TTYPE15 = 'PR_CORR ' / Projection of receptors onto sky corrected
TFORM15 = '1I ' / Integer flag
TTYPE16 = 'FD_CORR ' / Feed basis correction applied
TFORM16 = '1I ' / Integer flag
TTYPE17 = 'BE_CORR ' / Backend correction applied
TFORM17 = '1I ' / Integer flag
TTYPE18 = 'RM_CORR ' / RM correction applied
TFORM18 = '1I ' / Integer flag
TTYPE19 = 'DEDISP ' / Data dedispersed
TFORM19 = '1I ' / Integer flag
TTYPE20 = 'DDS_MTHD' / Dedispersion method
TFORM20 = '32A ' / 32-char string
TTYPE21 = 'SC_MTHD ' / Scattered power correction method
TFORM21 = '32A ' / 32-char string
TTYPE22 = 'CAL_MTHD' / Calibration method
TFORM22 = '32A ' / 32-char string
TTYPE23 = 'CAL_FILE' / Name of gain calibration file
TFORM23 = '256A ' / 256-char string
TTYPE24 = 'RFI_MTHD' / RFI excision method
TFORM24 = '32A ' / 32-char string
TTYPE25 = 'RM_MODEL' / Auxiliary Faraday rotation model description
TFORM25 = '32A ' / 32-char string
TTYPE26 = 'AUX_RM_C' / Auxiliary Faraday rotation corrected flag
TFORM26 = '1I ' / Integer flag
TTYPE27 = 'DM_MODEL' / Auxiliary dispersion model description
TFORM27 = '32A ' / 32-char string
TTYPE28 = 'AUX_DM_C' / Auxiliary dispersion corrected flag
TFORM28 = '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 = 'CM-3 '
TUNIT14 = 'RAD '
EXTVER = 1 / auto assigned by template parser
END
END
#002 BINTABLE 8 (128x15/1f) 2b PSRPARAM [0/127(1)] [0/14(1)]
#-------------------------------------------------------------------------------
XTENSION= 'BINTABLE' / ***** Pulsar ephemeris *****
BITPIX = 8 / N/A
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 128 / width of table in bytes
NAXIS2 = 15 / number of rows in table
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 1 / Number of fields per row
TTYPE1 = 'PARAM ' / Text file stored row by row
TFORM1 = '128A ' / Allow 128 char per row
EXTNAME = 'PSRPARAM' / Name of this binary table extension
EXTVER = 1 / auto assigned by template parser
END
END
#003 BINTABLE 8 (128x43/1f) 3b T2PREDICT [0/127(1)] [0/42(1)]
#-------------------------------------------------------------------------------
XTENSION= 'BINTABLE' / ***** Tempo2 Predictor *****
BITPIX = 8 / N/A
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 128 / width of table in bytes
NAXIS2 = 43 / number of rows in table
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 1 / Number of fields per row
TTYPE1 = 'PREDICT ' / Text file stored row by row
TFORM1 = '128A ' / Allow 128 char per row
EXTNAME = 'T2PREDICT' / Name of this binary table extension
EXTVER = 1 / auto assigned by template parser
END
END
#004 BINTABLE 8 (1084x7000/10f) 2639b SUBINT [0/1083(1)] [0/6999(1)]
#-------------------------------------------------------------------------------
XTENSION= 'BINTABLE' / ***** Subintegration data *****
BITPIX = 8 / N/A
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 1084 / width of table in bytes
NAXIS2 = 7000 / Number of rows in table (NSUBINT)
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 10 / 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 = 'D ' / NCHAN doubles
TTYPE7 = 'DAT_WTS ' / Weights for each channel
TFORM7 = 'E ' / NCHAN floats
TTYPE8 = 'DAT_OFFS' / Data offset for each channel
TFORM8 = 'E ' / NCHAN*NPOL floats
TTYPE9 = 'DAT_SCL ' / Data scale factor (outval=dataval*scl + offs)
TFORM9 = 'E ' / NCHAN*NPOL floats
TTYPE10 = 'DATA ' / Subint data table
TFORM10 = '512I ' / I (Fold) or B (1-8 bit) Search
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= 'INTEN ' / Polarisation identifier (e.g., AABBCRCI, AA+BB)
NPOL = 1 / Nr of polarisations
TBIN = 0.00019968 / [s] Time per bin or sample
NBIN = 512 / 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 = 8 / Nr of bits/datum (SEARCH mode data, else 1)
ZERO_OFF= 0.5 / Zero offset for SEARCH-mode data
SIGNINT = 1 / 1 for signed ints in SEARCH-mode data, else 0
NSUBOFFS= '* ' / Subint offset (Contiguous SEARCH-mode files)
NCHAN = 1 / Number of channels/sub-bands in this file
CHAN_BW = 150. / [MHz] Channel/sub-band width
DM = 26.7641 / [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 = 2048 / 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
TDIM10 = '(512,1,1)' / (NBIN,NCHAN,NPOL) or (NCHAN,NPOL,NSBLK*NBITS/8)
TUNIT10 = 'Jy ' / Units of subint data
EXTVER = 1 / auto assigned by template parser
EPOCHS = 'VALID '
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