Suzaku Observation : 800007010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '800007010'          / Observation identification string
OBSERVER= 'Suzaku SWG'         / Principal Investigator
OBJECT  = 'ABELL2804'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =               9.8970 / planned target R.A.(deg)
DEC_OBJ =             -28.9130 / planned target DEC.(deg)
RA_NOM  = 9.896800000000001E+00 / Right Ascension of target (deci. deg)
DEC_NOM = -2.890960000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             234.7036 / nominal position angle from north to DETY(deg)
MEAN_EA1=       9.896825694223 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     118.909590273248 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     215.296393322933 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2005-12-02T08:51:05' / Start date of observations
DATE-END= '2005-12-03T04:00:18' / End date of observations
TSTART  = 1.868288000000000E+08 / time start
TSTOP   = 1.868975978644109E+08 / time stop
TELAPSE = 6.879786441087723E+04 / elapsed time
ONTIME  = 3.161286441087723E+04 / On-source time
EXPOSURE= 3.161286441087723E+04 / Exposure time
MJD-OBS = 5.370637111324074E+04 / MJD of data start time
FILIN001= 'ae800007010xi0_0_3x3n000a_cl.evt.gz' / Input file name
SEQPNUM =                    7 / 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= 'ae800007010xi0_0_5x5n000a_cl.evt.gz' / Input file name
FILIN003= 'ae800007010xi1_0_3x3n001b_cl.evt.gz' / Input file name
FILIN004= 'ae800007010xi1_0_5x5n001b_cl.evt.gz' / Input file name
FILIN005= 'ae800007010xi2_0_3x3n000a_cl.evt.gz' / Input file name
FILIN006= 'ae800007010xi2_0_5x5n000a_cl.evt.gz' / Input file name
FILIN007= 'ae800007010xi3_0_3x3n000a_cl.evt.gz' / Input file name
FILIN008= 'ae800007010xi3_0_5x5n000a_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:

We propose to observe the central region of the Sculptor supercluster at z=0.11, in a search for the theoretically predicted Warm/Hot Intergalactic Medium (WHIM). The WHIM has been 'missing' observationally, until recent detection of the X-ray absorption due to the ionized light elements in the background quasar spectra. Still there is no confident detection of the expected soft X-ray emission. This is mainly because that the X-ray brightness is very low, compared to the Galactic diffuse emission in the soft X-ray band and/or the spectral sensitivity of previous experiments are limited. To separate the expected X-ray lines of the WHIM (mainly O VII) from the Galactic emission, we select an unique supercluster at z>0.1.