Suzaku Observation : 507073010


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Fits Header
TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '507073010'          / Observation identification string
OBSERVER= 'TAKESHI GO TSURU'   / Principal Investigator
OBJECT  = 'GRXE_E_6'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             268.1932 / planned target R.A.(deg)
DEC_OBJ =             -26.3878 / planned target DEC.(deg)
RA_NOM  = 2.681913000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -2.638550000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             104.9996 / nominal position angle from north to DETY(deg)
MEAN_EA1=     268.191303278918 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     116.385544960948 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     345.000364518776 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-03-24T08:46:03' / Start date of observations
DATE-END= '2013-03-26T09:53:12' / End date of observations
TSTART  = 4.174312260000000E+08 / time start
TSTOP   = 4.176067777678483E+08 / time stop
TELAPSE = 1.755517678483129E+05 / elapsed time
ONTIME  = 1.016745520056486E+05 / On-source time
EXPOSURE= 1.016745520056486E+05 / Exposure time
MJD-OBS = 5.637538067342593E+04 / MJD of data start time
FILIN001= 'ae507073010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / Number of times this dataset processed
PROCVER = ''          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20160607_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae507073010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae507073010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae507073010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae507073010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae507073010xi3_0_5x5n066a_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


We make high statistics observation of the 6.4-keV line in the region of l= +1.5 ~ +4 deg, which is key to resolve the origin of the Galactic Ridge X-ray Emission (GRXE). It also clarifies the origin of the 6.7-keV line. The concrete aims are (1) to determine the asymmetry of the GRXE between the east- and the west-sides of the Galactic center, (2) to separate spectral components of the 6.7-keV and 6.4-keV lines, (3) to constrain the origin of the 6.4-keV line (presumably from diffuse origin) and (4) to provide a "Suzaku Legacy" of the Galactic diffuse X-ray emission (the GRXE and GCDX) covering the wide region of l= -4 ~ +4 deg with high statistics and precise spectroscopy, which will be immediately used as best path-finder for Astro-H and standard data set for the multi-band studies.