Suzaku Observation : 400015010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '400015010'          / Observation identification string
OBSERVER= 'Suzaku SWG'         / Principal Investigator
OBJECT  = '4U1626-67'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             248.0700 / planned target R.A.(deg)
DEC_OBJ =             -67.4619 / planned target DEC.(deg)
RA_NOM  = 2.480601000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -6.746750000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             103.0359 / nominal position angle from north to DETY(deg)
MEAN_EA1=     248.060050932538 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     157.467477587030 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     346.964109986858 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2006-03-09T01:18:16' / Start date of observations
DATE-END= '2006-03-11T19:38:19' / End date of observations
TSTART  = 1.951843081810971E+08 / time start
TSTOP   = 1.954210841725128E+08 / time stop
TELAPSE = 2.367759914157093E+05 / elapsed time
ONTIME  = 1.026539480027854E+05 / On-source time
EXPOSURE= 1.026539480027854E+05 / Exposure time
MJD-OBS = 5.380307838385529E+04 / MJD of data start time
FILIN001= 'ae400015010xi0_0_3x3n040a_cl.evt.gz' / Input file name
SEQPNUM =                    3 / Number of times this dataset processed
PROCVER = '3.0.22.43'          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20151005_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae400015010xi0_0_5x5n040a_cl.evt.gz' / Input file name
FILIN003= 'ae400015010xi1_0_3x3n041b_cl.evt.gz' / Input file name
FILIN004= 'ae400015010xi1_0_5x5n041b_cl.evt.gz' / Input file name
FILIN005= 'ae400015010xi2_0_3x3n003a_cl.evt.gz' / Input file name
FILIN006= 'ae400015010xi2_0_5x5n003a_cl.evt.gz' / Input file name
FILIN007= 'ae400015010xi3_0_3x3n042a_cl.evt.gz' / Input file name
FILIN008= 'ae400015010xi3_0_5x5n042a_cl.evt.gz' / Input file name
COMMENT -------------------------
COMMENT BITPIX compressed from 32 to 8.
COMMENT Pixel values greater than 255 was set to 255.
COMMENT This file was made for JUDO-Suzaku.
COMMENT -------------------------
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy

Abstract:

The X-ray spectrum of the 7 second LMXRB pulsar 4U1626-67 is dominated by low energy line emission with little evedence of iron K line in the pulse phase resolved spectra. It showd also cyclotron line at 37 keV that departs from the correlation of energy cutoff cyclotron energy observed in many other X-ray pulsars. This Suzaku observation allow to characterize the overall continuum, the low energy, the iron K alpha and cyclotron lines as function of the pulse phase,