Suzaku Observation : 803022010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '803022010'          / Observation identification string
OBSERVER= 'NAOMI OTA'          / Principal Investigator
OBJECT  = 'A2163_NE'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             244.0263 / planned target R.A.(deg)
DEC_OBJ =              -6.0648 / planned target DEC.(deg)
RA_NOM  = 2.440260000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -6.059100000000000E+00 / Declination of target (deci. deg)
PA_NOM  =             113.8304 / nominal position angle from north to DETY(deg)
MEAN_EA1=     244.025952670879 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      96.059071464877 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     336.169570785661 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-02-08T21:17:13' / Start date of observations
DATE-END= '2009-02-10T04:08:19' / End date of observations
TSTART  = 2.874430740000000E+08 / time start
TSTOP   = 2.875540831106354E+08 / time stop
TELAPSE = 1.110091106353998E+05 / elapsed time
ONTIME  = 5.181345934391022E+04 / On-source time
EXPOSURE= 5.181345934391022E+04 / Exposure time
MJD-OBS = 5.487088817342593E+04 / MJD of data start time
FILIN001= 'ae803022010xi0_0_3x3n066a_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae803022010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae803022010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae803022010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae803022010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae803022010xi3_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:

We propose 2 pointing observations of a hot cluster A2163 (z=0.2). A2163 is an X-ray brightest object among the violent merger candidates, which possess a huge radio halo and a complex temperature structure. Thus it is a unique target to discover extremely hot (>20keV) gas produced via merger shock. Thanks to the unprecedent high-quality broad-band spectra of Suzaku we can accurately determine the temperature of the hot gas. Which, at the same time, leads to the detection of the buried non-thermal hard X-ray emission. Combining this observation with the high-resolution images of our thermal SZ effect and the XMM observation, we can obtain a spatial distribution of the extremely hot thermal gas in the merging cluster for the first time.