Suzaku Observation : 706003010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '706003010'          / Observation identification string
OBSERVER= 'JUN KATAOKA'        / Principal Investigator
OBJECT  = 'NGC6251_LOBE'       / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             246.5880 / planned target R.A.(deg)
DEC_OBJ =              82.6370 / planned target DEC.(deg)
RA_NOM  = 2.464248000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 8.264390000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              26.9674 / nominal position angle from north to DETY(deg)
MEAN_EA1=     246.424770778218 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=       7.356142323248 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=      63.032636377065 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2011-04-15T06:37:27' / Start date of observations
DATE-END= '2011-04-16T00:37:14' / End date of observations
TSTART  = 3.561665310000000E+08 / time start
TSTOP   = 3.562289700000000E+08 / time stop
TELAPSE = 6.243900000000000E+04 / elapsed time
ONTIME  = 3.807790241909027E+04 / On-source time
EXPOSURE= 3.807790241909027E+04 / Exposure time
MJD-OBS = 5.566629855537037E+04 / MJD of data start time
FILIN001= 'ae706003010xi0_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= 'ae706003010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae706003010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae706003010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae706003010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae706003010xi3_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 Suzaku observation of "Gamma-ray lobe" accociated with a FR-I/II radio galaxy NGC6251. This is the second discovery next to Cen-A lobe with Fermi-LAT above 100 MeV. Compared to huge angular extent of Cen-A (~10 degree), the lobe of NGC 6251 is comfortably fit within an XIS-FOV, but its physical size is almost the same as Cen-A(~Mpc). We can therefore estimate the total power accumulated in lobe with much less uncertainties, and pressure balance between non-thermal electrons and external thermal cluster medium, that may reveal possible contributions of hidden protons in the lobe. We propose a 40 ksec observation of NGC 6251 centered on the NW-lobe, with additional 20 ksec x 2 observations at "OFF-src" positions to improve the background estimate.