Suzaku Observation : 701014010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '701014010'          / Observation identification string
OBSERVER= 'YOSHIHIRO UEDA'     / Principal Investigator
OBJECT  = 'SWIFT J0505.7-2348' / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              76.4405 / planned target R.A.(deg)
DEC_OBJ =             -23.8539 / planned target DEC.(deg)
RA_NOM  = 7.642850000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -2.390550000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             284.9903 / nominal position angle from north to DETY(deg)
MEAN_EA1=      76.428495657624 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     113.905456158561 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     165.009678671294 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2006-04-01T22:12:36' / Start date of observations
DATE-END= '2006-04-04T02:55:14' / End date of observations
TSTART  = 1.972486030000000E+08 / time start
TSTOP   = 1.974342730000000E+08 / time stop
TELAPSE = 1.856700000000000E+05 / elapsed time
ONTIME  = 7.855441565936804E+04 / On-source time
EXPOSURE= 7.855441565936804E+04 / Exposure time
MJD-OBS = 5.382697068500000E+04 / MJD of data start time
FILIN001= 'ae701014010xi0_0_3x3n000a_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= 'ae701014010xi0_0_5x5n000a_cl.evt.gz' / Input file name
FILIN003= 'ae701014010xi1_0_3x3n001b_cl.evt.gz' / Input file name
FILIN004= 'ae701014010xi1_0_5x5n001b_cl.evt.gz' / Input file name
FILIN005= 'ae701014010xi2_0_3x3n000a_cl.evt.gz' / Input file name
FILIN006= 'ae701014010xi2_0_5x5n000a_cl.evt.gz' / Input file name
FILIN007= 'ae701014010xi3_0_3x3n000a_cl.evt.gz' / Input file name
FILIN008= 'ae701014010xi3_0_5x5n000a_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 the latetest population synthesis model, its estimate is strongly coupled with the broad band spectral shape of type-2 AGNs, which is only poorly understood. Recently, Swift/BAT has provided the first unbiased AGN sample above 15 keV, which includes many new type-2 AGNs that can be best followed-up with Suzaku. Here we propose to observe two of them to measure the amount of reflection component with unpreceded accuracy, a key parameter to determine the total contribution of Compton thick AGNs to the X-ray background. This proposal is complementary to our separate proposal entitled "direct determination of the fraction of Compton-thick AGNs in the local universe".