Suzaku Observation : 509026010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '509026010'          / Observation identification string
OBSERVER= 'YUICHI KATO'        / Principal Investigator
OBJECT  = 'CIZA J1358.9-4750_SE' / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             209.9607 / planned target R.A.(deg)
DEC_OBJ =             -47.9293 / planned target DEC.(deg)
RA_NOM  = 2.099655000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -4.792670000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             293.0000 / nominal position angle from north to DETY(deg)
MEAN_EA1=     209.965515955035 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     137.926736117320 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     156.999973287698 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2014-08-12T19:51:19' / Start date of observations
DATE-END= '2014-08-13T17:15:11' / End date of observations
TSTART  = 4.611884640000000E+08 / time start
TSTOP   = 4.612652932347227E+08 / time stop
TELAPSE = 7.682923472267389E+04 / elapsed time
ONTIME  = 4.136000761419535E+04 / On-source time
EXPOSURE= 4.136000761419535E+04 / Exposure time
MJD-OBS = 5.688183018731482E+04 / MJD of data start time
FILIN001= 'ae509026010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae509026010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae509026010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae509026010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae509026010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae509026010xi3_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:

Recently we have discovered the merging nature of a nearby galaxy cluster, CIZA J1358.9-4750. This cluster has two subclusters, both showing ICM temperatures of 4-6 keV, and a bright "bridge" region which connects the two cores. The "bridge" exhibits a high temperature of about 9 keV. This cluster is an archetypal case showing clear and unique symptoms of shock heating and particle acceleration in a probably early stage of major merger. To further clarify the merging geometry, and to quantify the scale and energetic of shock heating, we propose to observe this cluster with four new pointings using the Suzaku XIS.