Suzaku Observation : 509017010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '509017010'          / Observation identification string
OBSERVER= 'KOJI MORI'          / Principal Investigator
OBJECT  = 'VELA PWN S1'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             128.1917 / planned target R.A.(deg)
DEC_OBJ =             -46.8744 / planned target DEC.(deg)
RA_NOM  = 1.281818000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -4.688110000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             122.1894 / nominal position angle from north to DETY(deg)
MEAN_EA1=     128.181843081761 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     136.881061697282 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     327.810593361454 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2014-11-27T13:17:55' / Start date of observations
DATE-END= '2014-11-27T21:22:22' / End date of observations
TSTART  = 4.704094855971872E+08 / time start
TSTOP   = 4.704385292165719E+08 / time stop
TELAPSE = 2.904361938464642E+04 / elapsed time
ONTIME  = 1.579984008610249E+04 / On-source time
EXPOSURE= 1.579984008610249E+04 / Exposure time
MJD-OBS = 5.698855497431930E+04 / MJD of data start time
FILIN001= 'ae509017010xi0_0_3x3n066t_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae509017010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN003= 'ae509017010xi3_0_3x3n066a_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 have recently revealed that the Vela pulsar wind nebula (PWN) is more extended in X-ray than in radio, suggesting that the Vela PWN consists of two distinct populations: one is a bright, well-known component defining the radio boundary and the other is faint, newly-discovered one defining the X-ray boundary. On the other hand, Fermi-LAT shows that GeV PWN has a totally different spatial distribution from either X-ray or radio PWN. We here propose a mapping observation of GeV PWN in order to investigate if there is yet another population. We also propose to observe the south end of the X-ray PWN into which direction radio PWN is more extended.