Suzaku Observation : 804051010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '804051010'          / Observation identification string
OBSERVER= 'PHILIP JOHN HUMPHREY' / Principal Investigator
OBJECT  = 'RXJ1159+5531'       / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             179.9675 / planned target R.A.(deg)
DEC_OBJ =              55.6194 / planned target DEC.(deg)
RA_NOM  = 1.799530000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 5.561100000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             317.8793 / nominal position angle from north to DETY(deg)
MEAN_EA1=     179.953049744942 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      34.389002678232 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     132.120725963579 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-05-02T10:00:48' / Start date of observations
DATE-END= '2009-05-04T12:41:24' / End date of observations
TSTART  = 2.945737100000000E+08 / time start
TSTOP   = 2.947560661472104E+08 / time stop
TELAPSE = 1.823561472104192E+05 / elapsed time
ONTIME  = 8.549716807806492E+04 / On-source time
EXPOSURE= 8.549716807806492E+04 / Exposure time
MJD-OBS = 5.495341868268518E+04 / MJD of data start time
FILIN001= 'ae804051010xi0_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= 'ae804051010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae804051010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae804051010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae804051010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae804051010xi3_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 a 75ks observation of the galaxy group RXJ1159+5531 to place definitive constraints on its gas out to the virial radius (Rvir). These unprecedented measurements will enable us to study the entropy profile at scales near the region in which accretion shocks become important, and will reveal whether its flattening outside the core of the group extends as far as Rvir. Furthermore, we will obtain the mass profile and test the validity of the NFW model in the outer parts of the halo. Due to its high surface brightness and favourable distance, RXJ1159+5531 is the ideal target with which to carry out this study. It will constitute a textbook case for constraining the feedback and other nongravitational processes which shape the distribution of hot gas in galaxy groups.