Suzaku Observation : 807087010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '807087010'          / Observation identification string
OBSERVER= 'DOMINIQUE ECKERT'   / Principal Investigator
OBJECT  = 'HYDRA A SE'         / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             139.5637 / planned target R.A.(deg)
DEC_OBJ =             -12.2330 / planned target DEC.(deg)
RA_NOM  = 1.395641000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -1.223660000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             300.0006 / nominal position angle from north to DETY(deg)
MEAN_EA1=     139.564139310857 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     102.236648729766 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     149.999379129692 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2012-06-07T16:01:07' / Start date of observations
DATE-END= '2012-06-08T07:01:24' / End date of observations
TSTART  = 3.924003350057558E+08 / time start
TSTOP   = 3.924532480000000E+08 / time stop
TELAPSE = 5.291299424421787E+04 / elapsed time
ONTIME  = 2.148984205937386E+04 / On-source time
EXPOSURE= 2.148984205937386E+04 / Exposure time
MJD-OBS = 5.608567128691847E+04 / MJD of data start time
FILIN001= 'ae807087010xi0_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= 'ae807087010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae807087010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae807087010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae807087010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae807087010xi3_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:

Galaxy cluster outskirts are the regions where structure formation occurs through the accretion of smaller structures along large-scale filaments. Thanks to its low background, Suzaku has allowed for the first time to measure the thermodynamical properties of the ICM out to the virial radius. Recently, we used archival ROSAT observations to detect cluster emission out to large radii and quantify the deviations from spherical symmetry. Based on this work, we propose to map the outskirts of Hydra A, which was found to have the highest azimuthal scatter. This will allow us to measure the temperature profiles out to the virial radius and infer the bias on the mean thermodynamical properties and the mass reconstruction when clusters are observed along preferential directions.