Suzaku Observation : 508022010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '508022010'          / Observation identification string
OBSERVER= 'HIRONORI MATSUMOTO' / Principal Investigator
OBJECT  = 'HESSJ1858-B'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             284.4292 / planned target R.A.(deg)
DEC_OBJ =               2.2075 / planned target DEC.(deg)
RA_NOM  = 2.844324000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 2.201300000000000E+00 / Declination of target (deci. deg)
PA_NOM  =             251.7997 / nominal position angle from north to DETY(deg)
MEAN_EA1=     284.432449993709 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      87.798696582358 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     198.200336683408 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-10-28T23:25:55' / Start date of observations
DATE-END= '2013-10-30T03:09:09' / End date of observations
TSTART  = 4.363179632945043E+08 / time start
TSTOP   = 4.364162528810591E+08 / time stop
TELAPSE = 9.828958655476570E+04 / elapsed time
ONTIME  = 5.261896410346031E+04 / On-source time
EXPOSURE= 5.261896410346031E+04 / Exposure time
MJD-OBS = 5.659397716989009E+04 / MJD of data start time
FILIN001= 'ae508022010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / Number of times this dataset processed
PROCVER = '3.0.22.44'          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20160607_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae508022010xi0_0_5x5n066h_cl.evt.gz' / Input file name
FILIN003= 'ae508022010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN004= 'ae508022010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN005= 'ae508022010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN006= 'ae508022010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN007= 'ae508022010xi3_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:

HESS J1858+020 is one of the unidentified TeV objects which are candidates for the origin of the cosmic-ray protons. Recently a supernova remnant G35.6-0.4 and molecular clouds were discovered in the vicinity of HESSJ1858+020. The TeV emission may be generated through the interaction between protons accelerated in the SNR and the molecular clouds. However, a star forming region in the cloud was also discovered by an infrared observation, and the region may be responsible for the acceleration of protons. We propose Suzaku observations of HESSJ1858+020 to clarify what particles are the origin of the TeV emission, and to clarify what accelerates the particles.