Suzaku Observation : 705047020

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '705047020'          / Observation identification string
OBSERVER= 'GUIDO RISALITI'     / Principal Investigator
OBJECT  = 'NGC 4945'           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             196.3646 / planned target R.A.(deg)
DEC_OBJ =             -49.4683 / planned target DEC.(deg)
RA_NOM  = 1.963415000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -4.952740000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             286.7821 / nominal position angle from north to DETY(deg)
MEAN_EA1=     196.341478839620 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     139.527402297503 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     163.217865319013 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-07-09T23:50:49' / Start date of observations
DATE-END= '2010-07-11T06:18:12' / End date of observations
TSTART  = 3.320347400000000E+08 / time start
TSTOP   = 3.321442702611403E+08 / time stop
TELAPSE = 1.095302611402869E+05 / elapsed time
ONTIME  = 4.415977053260803E+04 / On-source time
EXPOSURE= 4.415977053260803E+04 / Exposure time
MJD-OBS = 5.538699541879629E+04 / MJD of data start time
FILIN001= 'ae705047020xi0_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= 'ae705047020xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae705047020xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae705047020xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae705047020xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae705047020xi3_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 five 40 ks observations of the Compton-thick AGN in NGC 4945, with the aim of monitoring possible variations of the X-ray source, and correlate the intrinsic variations seen above 10~keV with the variations in the reflected spectrum below 10~keV. This campaign is unique in two respects: NGC 4945 is the only object suitable for an investigation of possible variations of a Compton-thick AGN, which would set the first constraints on the structure and dimensions of the absorber/reflector in these objects, and the proposed observations are a clear "ideal case" for Suzaku, making full use of its unique properties, i.e. the high-energy spectral capabilities and the simultaneous availability of the full 1-100~keV spectral interval.