Suzaku Observation : 705009010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '705009010'          / Observation identification string
OBSERVER= 'NAOKI ISOBE'        / Principal Investigator
OBJECT  = 'IC 342 X2'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              56.5225 / planned target R.A.(deg)
DEC_OBJ =              68.1341 / planned target DEC.(deg)
RA_NOM  = 5.651600000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = 6.814980000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              91.9969 / nominal position angle from north to DETY(deg)
MEAN_EA1=      56.515978719381 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      21.850190813340 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     358.003078100352 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-08-07T23:29:17' / Start date of observations
DATE-END= '2010-08-09T09:02:15' / End date of observations
TSTART  = 3.345391078518066E+08 / time start
TSTOP   = 3.346597179594733E+08 / time stop
TELAPSE = 1.206101076666713E+05 / elapsed time
ONTIME  = 7.437900383287668E+04 / On-source time
EXPOSURE= 7.437900383287668E+04 / Exposure time
MJD-OBS = 5.541598115782184E+04 / MJD of data start time
FILIN001= 'ae705009010xi0_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= 'ae705009010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae705009010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae705009010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae705009010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae705009010xi3_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 nature of ultraluminous X-ray sources (ULXs) is one of the important unresolved issues in the modern astrophysics. A Suzaku HXD spectrum above 10 keV and its variation, in combination with those with XIS, provide us with an unique opportunity to determine unambiguously the physical state of ULXs, which is a key information to solve their nature. Here, two 80 ks Suzaku exposures are proposed on a bright ULX IC 342 X2, one of the most promising candidates for hard X-ray detection.