Suzaku Observation : 708044010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '708044010'          / Observation identification string
OBSERVER= 'VALENTINA BRAITO'   / Principal Investigator
OBJECT  = 'B2 1023+25'         / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             156.5983 / planned target R.A.(deg)
DEC_OBJ =              25.7164 / planned target DEC.(deg)
RA_NOM  = 1.565986000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 2.571130000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             288.3095 / nominal position angle from north to DETY(deg)
MEAN_EA1=     156.598598979633 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      64.288720304620 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     161.690457780895 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-05-30T15:25:39' / Start date of observations
DATE-END= '2013-06-01T21:55:13' / End date of observations
TSTART  = 4.232427900000000E+08 / time start
TSTOP   = 4.234387750000000E+08 / time stop
TELAPSE = 1.959850000000000E+05 / elapsed time
ONTIME  = 1.008954726907015E+05 / On-source time
EXPOSURE= 1.008954726907015E+05 / Exposure time
MJD-OBS = 5.644264414564815E+04 / MJD of data start time
FILIN001= 'ae708044010xi0_0_3x3n066l_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= 'ae708044010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae708044010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae708044010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae708044010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae708044010xi3_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 deep (100 ksec) Suzaku observation of the recently discovered high redshift blazar candidate B2 1023+25 (z=5.3). A very hard (Gamma <2) spectrum would confirm its blazar nature, allowing to study the physical properties of the relativistic jet in this extremely powerful and very high redshift source. The proposed observation will yield an X-ray spectrum of sufficient quality to determine the X-ray shape. The confirmation of a second blazar at this redshift has profound cosmological implications, placing stronger constraints on the number density of high mass BH at high z