Suzaku Observation : 809121010


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Fits Header
TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '809121010'          / Observation identification string
OBSERVER= 'HIROKI AKAMATSU'    / Principal Investigator
OBJECT  = 'ABELL2255_RELIC'    / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             258.3612 / planned target R.A.(deg)
DEC_OBJ =              64.2727 / planned target DEC.(deg)
RA_NOM  = 2.583088000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 6.427090000000000E+01 / Declination of target (deci. deg)
PA_NOM  =               3.1930 / nominal position angle from north to DETY(deg)
MEAN_EA1=     258.308770316609 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      25.729113149807 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=      86.807036193512 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2014-06-02T03:08:51' / Start date of observations
DATE-END= '2014-06-04T09:57:15' / End date of observations
TSTART  = 4.549951280368513E+08 / time start
TSTOP   = 4.551910159309081E+08 / time stop
TELAPSE = 1.958878940567970E+05 / elapsed time
ONTIME  = 1.008121966841221E+05 / On-source time
EXPOSURE= 1.008121966841221E+05 / Exposure time
MJD-OBS = 5.681014805811171E+04 / MJD of data start time
FILIN001= 'ae809121010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae809121010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae809121010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae809121010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae809121010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae809121010xi3_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


Radio relics in merging galaxy clusters trace low-Mach number shocks where particles are accelerated to extreme energies. Suzaku revealed temperature jumps at several relics. However the Mach numbers derived by X-ray observations are significantly lower than those from the radio spectra, and simple shock acceleration models need to be re-examined. We propose Suzaku key project observations of 12 radio relics to establish the shock properties, by combining with new radio data. These data will advance our understanding of (i) particle acceleration at the shocks and (ii) spatial distribution of the thermal and non-thermal components. We will make a breakthrough shocks and (ii) spatial distribution of the thermal and non-thermal components. We will make a breakthrough in our understand.