Suzaku Observation : 504034010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '504034010'          / Observation identification string
OBSERVER= 'KOJI MORI'          / Principal Investigator
OBJECT  = 'HESS J1427-608'     / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             216.9667 / planned target R.A.(deg)
DEC_OBJ =             -60.8500 / planned target DEC.(deg)
RA_NOM  = 2.169609000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -6.085050000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              90.5578 / nominal position angle from north to DETY(deg)
MEAN_EA1=     216.960851489974 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     150.850520189287 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     359.442219224500 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-01-13T13:49:39' / Start date of observations
DATE-END= '2010-01-16T04:32:24' / End date of observations
TSTART  = 3.167092140000000E+08 / time start
TSTOP   = 3.169310240000000E+08 / time stop
TELAPSE = 2.218100000000000E+05 / elapsed time
ONTIME  = 1.041378611093163E+05 / On-source time
EXPOSURE= 1.041378611093163E+05 / Exposure time
MJD-OBS = 5.520961664564814E+04 / MJD of data start time
FILIN001= 'ae504034010xi0_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= 'ae504034010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae504034010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae504034010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae504034010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae504034010xi3_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:

Pulsar wind nebula (PWN) has began to be recognized as the best candidate of a large fraction of the HESS-unidentified (unID) sources. It could be true for some sources like HESS J1825-137, while other PWN candidates are sometimes listed simply because they satisfy one or two of the necessary conditions (e.g., there is an energetic pulsar nearby). We then propose a Suzaku observation of HESS J1427-608, which is the most ``unlike'' HESS-unID source to be a PWN. The advantage that we can safely exclude a PWN for its candidate allows us to identify the emission mechanism/origin of HESS J1427-608 more unambiguously compared to other unID sources. We request a 150 ks exposure to constrain the ratio between X-ray and TeV fluxes, which is a good measure of the emission mechanism of TeV sources.