Suzaku Observation : 705054010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '705054010'          / Observation identification string
OBSERVER= 'GIORGIO MATT'       / Principal Investigator
OBJECT  = 'NGC 3147'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             154.2238 / planned target R.A.(deg)
DEC_OBJ =              73.4008 / planned target DEC.(deg)
RA_NOM  = 1.542433000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 7.338690000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             262.9224 / nominal position angle from north to DETY(deg)
MEAN_EA1=     154.243325462596 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      16.613063272107 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     187.077634903311 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-05-24T19:47:48' / Start date of observations
DATE-END= '2010-05-27T07:01:14' / End date of observations
TSTART  = 3.280488788068100E+08 / time start
TSTOP   = 3.282588547781673E+08 / time stop
TELAPSE = 2.099759713573456E+05 / elapsed time
ONTIME  = 1.500556366061568E+05 / On-source time
EXPOSURE= 1.500556366061568E+05 / Exposure time
MJD-OBS = 5.534086276609734E+04 / MJD of data start time
FILIN001= 'ae705054010xi0_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= 'ae705054010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae705054010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae705054010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae705054010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae705054010xi3_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:

NGC3147 is the best candidate to be a true Seyfert 2, i.e., with no BLR. We propose a 150 ks observation with Suzaku to study the Fe line profile which in the short XMM-Newton observation shows some structure. If the iron line will turn out to be originated from the accretion disc, the lack of the BLR cannot be attributed to the lack of ionizing photons; if originated from the torus, this would put constraints on models assuming a common origin for the torus and the BLR; if the presence of an ionized iron line is confirmed, a BLR might exist but so highly ionized to be invisible at optical/UV wavelengths. An important added value of this observation is to confirm NGC3147 as a true Seyfert 2 by ruling out a Compton-thick nature, which only Suzaku can do thanks to its hard X-ray coverage.