Suzaku Observation : 708001010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '708001010'          / Observation identification string
OBSERVER= 'YOSHIHIRO UEDA'     / Principal Investigator
OBJECT  = 'NGC 5273'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             205.5346 / planned target R.A.(deg)
DEC_OBJ =              35.6542 / planned target DEC.(deg)
RA_NOM  = 2.055350000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 3.564460000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             278.9999 / nominal position angle from north to DETY(deg)
MEAN_EA1=     205.534959183296 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      54.355375348362 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     171.000090030989 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-07-16T04:37:55' / Start date of observations
DATE-END= '2013-07-18T01:18:13' / End date of observations
TSTART  = 4.272646837523726E+08 / time start
TSTOP   = 4.274252600000000E+08 / time stop
TELAPSE = 1.605762476273775E+05 / elapsed time
ONTIME  = 8.179492774891853E+04 / On-source time
EXPOSURE= 8.179492774891853E+04 / Exposure time
MJD-OBS = 5.648919384185616E+04 / MJD of data start time
FILIN001= 'ae708001010xi0_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= 'ae708001010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae708001010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae708001010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae708001010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae708001010xi3_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:

The number of Compton thick AGNs is the biggest issue in the origin of the X-ray background and AGN evolution. According to population synthesis models, its estimate is strongly coupled with the broad band spectral shape of Compton thin AGNs. Swift/BAT has provided the first unbiased AGN sample above 15 keV, which includes many hard X-ray bright AGNs that can be best followed-up with Suzaku. Here we propose to observe two of the lowest luminosity BAT AGNs to measure the amount of the reflection component with unpreceded accuracy, a key parameter to determine the contribution of Compton thick AGNs to the X-ray background. We will also study how the torus structure of low luminosity AGNs differs from that of more luminous AGNs.