Suzaku Observation : 805081010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '805081010'          / Observation identification string
OBSERVER= 'FABIO GASTALDELLO'  / Principal Investigator
OBJECT  = 'MKW 4-OFFSET1'      / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             181.1270 / planned target R.A.(deg)
DEC_OBJ =               2.2181 / planned target DEC.(deg)
RA_NOM  = 1.811304000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 2.228900000000000E+00 / Declination of target (deci. deg)
PA_NOM  =             114.5816 / nominal position angle from north to DETY(deg)
MEAN_EA1=     181.130443613231 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      87.771066598241 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     335.418358131585 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-11-28T06:52:15' / Start date of observations
DATE-END= '2010-11-30T06:00:17' / End date of observations
TSTART  = 3.442436830000000E+08 / time start
TSTOP   = 3.444119967934487E+08 / time stop
TELAPSE = 1.683137934487462E+05 / elapsed time
ONTIME  = 7.942609668248892E+04 / On-source time
EXPOSURE= 7.942609668248892E+04 / Exposure time
MJD-OBS = 5.552830262944444E+04 / MJD of data start time
FILIN001= 'ae805081010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / 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= 'ae805081010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae805081010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae805081010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae805081010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae805081010xi3_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 set of two 19 arcmin offset observations for the galaxy groups MKW 4 to measure spatially resolved density, temperature and iron abundance out to r_{500}. These measurements are crucial for an accurate determination of the gas mass profile and gas fraction, for probing the entropy profile near the region where the accretion shocks start to be important, and for exploring the chemical enrichment at a spatial scale which retains information of early SNII and SNIa enrichment. Due to its brightness, regularity and low temperature, the object is an ideal candidate for an offset observation of its peripheral gas by Suzaku, making an excellent use of its low background and soft X-ray sensitivity.