Suzaku Observation : 409025010

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Fits Header

TELESCOP= 'SUZAKU  '           / Mission name
OBS_ID  = '409025010'          / Observation identification string
OBSERVER= 'HIROMITSU TAKAHASHI' / Principal Investigator
OBJECT  = 'SCO X-1 '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             244.9795 / planned target R.A.(deg)
DEC_OBJ =             -15.6403 / planned target DEC.(deg)
RA_NOM  =             245.0164 / nominal satellite pointing direction R.A.(deg)
DEC_NOM =             -15.3926 / nominal satellite pointing direction DEC.(deg)
PA_NOM  =              98.4296 / nominal position angle from north to DETY(deg)
MEAN_EA1=     245.016433846387 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     105.392617466534 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     351.570366063189 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2015-03-09T18:50:04' / start date of observations (UT)
DATE-END= '2015-03-12T02:10:08' / end date of observations (UT)
TSTART  = 4.792424030000000E+08 / time start
TSTOP   = 4.794397230000000E+08 / time stop
TELAPSE = 1.973200000000000E+05 / elapsed time
ONTIME  = 8.470861418133974E+04 / On-source time
EXPOSURE= 8.470861418133974E+04 / Exposure time
MJD-OBS = 5.709078781462963E+04 / MJD of data start time
FILIN001= 'ae409025010xi3_0_2x2n066a_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
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy

Abstract:

We propose 50 ks observation of the bright LMXB Sco X-1 (Z source) to search high energy emission above 50 keV and study Fe-K emission/absorption lines. With the combination of XIS and HXD, these properties can be studied with identifying the state of the source. Since Sco X-1 is so bright, the pointing is offset by ~15 arcmin from XIS nominal position.