Suzaku Observation : 808008010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '808008010'          / Observation identification string
OBSERVER= 'NAOMI OTA'          / Principal Investigator
OBJECT  = 'A2744_NE'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =               3.7192 / planned target R.A.(deg)
DEC_OBJ =             -30.3107 / planned target DEC.(deg)
RA_NOM  = 3.718900000000000E+00 / Right Ascension of target (deci. deg)
DEC_NOM = -3.030780000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             233.5002 / nominal position angle from north to DETY(deg)
MEAN_EA1=       3.718879310097 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     120.307849295727 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     216.499774664528 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-11-20T07:58:54' / Start date of observations
DATE-END= '2013-11-22T14:23:15' / End date of observations
TSTART  = 4.382497500000000E+08 / time start
TSTOP   = 4.384453805183036E+08 / time stop
TELAPSE = 1.956305183035731E+05 / elapsed time
ONTIME  = 8.278100475722551E+04 / On-source time
EXPOSURE= 8.278100475722551E+04 / Exposure time
MJD-OBS = 5.661633581231481E+04 / MJD of data start time
FILIN001= 'ae808008010xi0_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= 'ae808008010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae808008010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae808008010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae808008010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae808008010xi3_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 an additional 80ks pointing to complete our mapping of A2744 out to large radii and constrain the thermodynamical history of the cluster growth. A2744 is a multiple merger, nicknamed Pandora's cluster. Our analysis of existing Suzaku data suggest that this cluster has an anisotropic temperature structure near the virial radius and there is not a simple correlation between temperature and surface mass density of member galaxies. With proposed observations, we can determine, for the first time, the temperature and entropy profiles near the radio relic in the northeast and further test a scenario of gas heating and shock propagation in the cluster outskirts. Suzaku is most suited for this study because of the lowest background and excellent sensitivity.