Suzaku Observation : 503090010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '503090010'          / Observation identification string
OBSERVER= 'ZDENKA MISANOVIC'   / Principal Investigator
OBJECT  = 'B1920+10(1)'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             293.0254 / planned target R.A.(deg)
DEC_OBJ =              10.9697 / planned target DEC.(deg)
RA_NOM  = 2.930298000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 1.096180000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             252.2888 / nominal position angle from north to DETY(deg)
MEAN_EA1=     293.029818088453 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      79.038221265426 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     197.711170436216 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2008-11-02T08:24:40' / Start date of observations
DATE-END= '2008-11-04T03:18:14' / End date of observations
TSTART  = 2.789294858561593E+08 / time start
TSTOP   = 2.790814160000000E+08 / time stop
TELAPSE = 1.519301438407302E+05 / elapsed time
ONTIME  = 7.361243600761890E+04 / On-source time
EXPOSURE= 7.361243600761890E+04 / Exposure time
MJD-OBS = 5.477235127361295E+04 / MJD of data start time
FILIN001= 'ae503090010xi0_0_3x3n066a_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= 'ae503090010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae503090010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae503090010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae503090010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae503090010xi3_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:

A bow-shock pulsar wind nebula with an exceptionally long tail has been detected in X-ray observations of the pulsar PSR B1929+10. Recent observations suggest that such long structures may be associated with many other pulsars. Being the longest extended structures observed around Galactic compact objects. The physical processes responsible for the formation of such tails are not well understood, and the existing numerical models may only be valid at small distances from the pulsar. To determine the major factors governing the post-shock wind, we propose to observe the tail of PSR B1929+10, measure its full extent, map the surface brightness distribution, and perform spatially resolved spectroscopy. We will also measure the pulsar spectrum to study the properties of its polar caps.