Suzaku Observation : 807137010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '807137010'          / Observation identification string
OBSERVER= 'MARIE E MACHACEK'   / Principal Investigator
OBJECT  = 'SHAPLEY B'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             201.6396 / planned target R.A.(deg)
DEC_OBJ =             -31.8599 / planned target DEC.(deg)
RA_NOM  = 2.016375000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -3.186050000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             110.7883 / nominal position angle from north to DETY(deg)
MEAN_EA1=     201.637476467225 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     121.860522977527 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     339.211723517027 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-01-23T11:42:25' / Start date of observations
DATE-END= '2013-01-24T07:47:18' / End date of observations
TSTART  = 4.122565580000000E+08 / time start
TSTOP   = 4.123268990000000E+08 / time stop
TELAPSE = 7.034100000000000E+04 / elapsed time
ONTIME  = 3.052032866996527E+04 / On-source time
EXPOSURE= 3.052032866996527E+04 / Exposure time
MJD-OBS = 5.631548868268519E+04 / MJD of data start time
FILIN001= 'ae807137010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / Number of times this dataset processed
PROCVER = '3.0.22.44'          / 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= 'ae807137010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae807137010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae807137010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae807137010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae807137010xi3_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

Abstract:

29% of the baryon density measured at high redshift are unaccounted for at the present epoch. Since a persistent deficit would challenge our current understanding of the thermodynamics of structure formation and the effects of shocks and galactic outflows on the surrounding gas, resolving this deficit is critical for understanding low-redshift cosmology and galaxy formation. Simulations suggest these baryons emit soft X-rays and should reside along low density filaments in the cosmic web, the WHIM. We propose to combine Chandra ACIS-I with Suzaku XIS observations for 3 large scale filaments in the Shapley Supercluster, the largest overdensity of galaxies and clusters in the z<0.1 Universe, to identify galaxy groups in these filaments and search for X-ray emission from the WHIM.