HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.

Search:

[Advanced Search]



next up previous
Next: XMM RGS Up: XTE PCA Previous: Primary Header

Data Extension 

XTENSION= 'BINTABLE'           / binary table extension
BITPIX  =                    8 / 8-bit bytes
NAXIS   =                    2 / 2-dimensional binary table
NAXIS1  =                 1312 / width of table in bytes
NAXIS2  =                    3 / number of rows in table
PCOUNT  =                    0 / size of special data area
GCOUNT  =                    1 / one data group (required keyword)
TFIELDS =                    5 / number of fields in each row
TTYPE1  = 'SPEC_NUM'           / label for field   1
TFORM1  = 'I       '           / data format of the field: 2-byte INTEGER
TTYPE2  = 'CHANNEL '           / label for field   2
TFORM2  = '129I    '           / data format of the field: 2-byte INTEGER
TUNIT2  = 'channel '           / physical unit of field
TTYPE3  = 'COUNTS  '           / label for field   3
TFORM3  = '129E    '           / data format of the field: 4-byte REAL
TUNIT3  = 'count   '           / physical unit of field
TTYPE4  = 'STAT_ERR'           / label for field   4
TFORM4  = '129E    '           / data format of the field: 4-byte REAL
TUNIT4  = 'count   '           / physical unit of field
TTYPE5  = 'ROWID   '           / label for field   5
TFORM5  = '20A     '           / data format of the field: ASCII Character
EXTNAME = 'SPECTRUM'           / name of this binary table extension
HDUCLASS= 'OGIP    '           / format conforms to OGIP/GSFC Spectral standards
HDUDOC  = 'Arnaud et al. 1992a,                Legacy 2, p 65, Type: II' / forma
HDUCLAS1= 'SPECTRUM'           / Extension contains a Spectrum
HDUCLAS2= 'TOTAL   '           / Extension contains a Spectrum
HDUCLAS3= 'COUNT   '           / Extension contains counts
HDUCLAS4= 'TYPE:II '           / Multiple PHA file contained
HDUVERS1= '1.2.1   '           / Obsolete - included for backwards compatibility
HDUVERS = '1.2.1   '           / Version number of the format
POISSERR=                    F / Are Poisson Distribution errors assumed
SYS_ERR =                    0 / No systematic error was specified
GROUPING=                    0 / No grouping data has been specified
QUALITY =                    0 / No data quality information specified
TELESCOP= 'XTE     '           / Telescope (mission) name
INSTRUME= 'PCA     '           / Instrument name
FILTER  = 'none    '           / Instrument filter in use
EXPOSURE=  1.28000000000000E+02 / Exposure time
AREASCAL=       1.00000000E+00 / Nominal effective area
BACKSCAL=       1.00000000E+00 / Background scale factor
CORRSCAL=       0.00000000E+00 / Correlation scale factor
BACKFILE= 'none    '           / Background FITS file for this object
CORRFILE= 'none    '           / Correlation FITS file for this object
RESPFILE= 'none    '           / Redistribution matrix file (RMF)
ANCRFILE= 'none    '           / Ancillary response file (ARF)
XFLT0001= 'none    '           / XSPEC selection filter description
CHANTYPE= 'PHA     '           / Channels assigned by detector electronics
DETCHANS=                  129 / Total number of detector channels available
TLMIN2  =                    0 / Lowest Legal channel number
TLMAX2  =                  128 / Highest Legal channel number
CPIX2   = '(0~4),(5:51),(52~141;2),(142~237;3),(238~249;4),(250~255)' / Channel
OBJECT  = 'M81     '           / OBJECT from the FIRST input file
FILENAME= 'several '           / Spectrum was produced from more than one file
ORIGIN  = 'NASA/GSFC'          / origin of fits file
CREATOR = 'SAEXTRCT/XTE/GOF'   / Program name that produced this file
DATE    = '1995-02-06'         / FITS file creation date (yyyy-mm-dd)
RA-OBJ  =       1.48000000E+02 / RA of First input object
DEC-OBJ =       6.93000031E+01 / DEC of First input object
EQUINOX =              2000.00 / Equinox of the FIRST object
RADECSYS= 'FK5     '           / Co-ordinate frame used for equinox
DROLLANG=       0.00000000E+00 / Mean roll angle
PHAVERSN= '1992a   '           / OGIP memo number for file format
DATE-OBS= '1993-03-26'         / EARLIEST observation date of files
TIME-OBS= '18:58:08'           / EARLIEST time of all input files
DATE-END= '1993-03-26'         / LATEST observation date of files
TIME-END= '19:00:16'           / LATEST time of all input files
TIMESYS = 'MJD     '           / The time system is MJD
TIMEUNIT= 's       '           / unit for TSTARTI/F and TSTOPI/F, TIMEZERO
MJDREF  =  4.9352000696574076E+04 / 1993.0
TSTART  =  7.32588800000000E+06 / Observation start time
TSTOP   =  7.32601600000000E+06 / fractional observation stop time
TIMEDEL =  1.60000000000000E+01 / integration time
END


HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public
Last modified: Thursday, 21-Oct-2021 12:50:38 EDT

HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.