Suzaku Observation : 504079010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '504079010'          / Observation identification string
OBSERVER= 'OLEG KARGALTSEV'    / Principal Investigator
OBJECT  = 'HESS J1809-193E'    / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             272.0000 / planned target R.A.(deg)
DEC_OBJ =             -19.5000 / planned target DEC.(deg)
RA_NOM  = 2.720013000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -1.950330000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             270.1011 / nominal position angle from north to DETY(deg)
MEAN_EA1=     272.001251647864 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     109.503345789198 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     179.898921034017 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-09-11T17:59:44' / Start date of observations
DATE-END= '2009-09-13T03:45:16' / End date of observations
TSTART  = 3.060095240000000E+08 / time start
TSTOP   = 3.061266807124704E+08 / time stop
TELAPSE = 1.171567124703526E+05 / elapsed time
ONTIME  = 5.102895997595787E+04 / On-source time
EXPOSURE= 5.102895997595787E+04 / Exposure time
MJD-OBS = 5.508577764101852E+04 / MJD of data start time
FILIN001= 'ae504079010xi0_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= 'ae504079010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae504079010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae504079010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae504079010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae504079010xi3_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 a detailed study of the extended VHE source HESS J1809-193 neighboring young PSR J1809-1917 with a known X-ray pulsar-wind nebula (PWN). As the chance coincidence is very unlikely, there should be a connection between the two. Furthermore, previous short Chandra observations of this field have revealed a large-scale asymmetric PWN extending toward the center of the TeV source. Thus, this is an excellent case for testing whether the unidentified TeV sources near young pulsars are, in fact, relic PWNe crushed by the asymmetric SNR reverse shock. We will probe the nature of the X-ray emission by measuring the surface brightness and spatially-resolved spectra across the large extent of the TeV source. Suzaku XIS is ideally suited for this purpose because of its low background.