Suzaku Observation : 702011010

QL FITS Image

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Fits Header
TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '702011010'          / Observation identification string
OBSERVER= 'HISAMITSU AWAKI'    / Principal Investigator
OBJECT  = 'IC 3639 '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             190.2200 / planned target R.A.(deg)
DEC_OBJ =             -36.7558 / planned target DEC.(deg)
RA_NOM  = 1.901935000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -3.680780000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             293.9494 / nominal position angle from north to DETY(deg)
MEAN_EA1=     190.193484807744 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     126.807803142788 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     156.050634977133 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2007-07-12T04:43:10' / Start date of observations
DATE-END= '2007-07-13T09:55:14' / End date of observations
TSTART  = 2.375334490000000E+08 / time start
TSTOP   = 2.376356883045938E+08 / time stop
TELAPSE = 1.022393045938313E+05 / elapsed time
ONTIME  = 5.339124261227250E+04 / On-source time
EXPOSURE= 5.339124261227250E+04 / Exposure time
MJD-OBS = 5.429323047666666E+04 / MJD of data start time
FILIN001= 'ae702011010xi0_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= 'ae702011010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae702011010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae702011010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae702011010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae702011010xi3_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:

Seyfert 2 galaxies often have an nucleus obscured by thick matter. Risaliti et al. found that Compton thick Seyfert 2 galaxies may constitute a large fraction of the Seyfert 2 galaxy s population by studying the distribution of absorbing column densities among Seyfert 2 galaxies. This result is important to discuss on the structure and evolution of active galactic nuclei. However, it is difficult to classify Seyfert 2 galaxies into Compton thick and thin objects only by using their X-ray spectra below 10 keV. Therefore, there may be Compton thin objects among Risaliti s Compton thick sample. In order to make the distribuion of the column density more reliable, we propose the Suzaku observations of heavily obscured AGNs with NH >1E25cm-2.