Suzaku Observation : 402066010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '402066010'          / Observation identification string
OBSERVER= 'JOHN A. TOMSICK'    / Principal Investigator
OBJECT  = 'IGR J17391-3021'    / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             264.7983 / planned target R.A.(deg)
DEC_OBJ =             -30.3438 / planned target DEC.(deg)
RA_NOM  = 2.647950000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -3.034190000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              89.2160 / nominal position angle from north to DETY(deg)
MEAN_EA1=     264.794966432757 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     120.341889713877 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=       0.784016087025 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2008-02-22T11:52:49' / Start date of observations
DATE-END= '2008-02-23T09:30:25' / End date of observations
TSTART  = 2.570000080000000E+08 / time start
TSTOP   = 2.570722790000000E+08 / time stop
TELAPSE = 7.227100000000000E+04 / elapsed time
ONTIME  = 3.659374485057592E+04 / On-source time
EXPOSURE= 3.659374485057592E+04 / Exposure time
MJD-OBS = 5.451853787250000E+04 / MJD of data start time
FILIN001= 'ae402066010xi0_0_3x3n090a_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= 'ae402066010xi0_0_5x5n090a_cl.evt.gz' / Input file name
FILIN003= 'ae402066010xi1_0_3x3n091b_cl.evt.gz' / Input file name
FILIN004= 'ae402066010xi1_0_5x5n091b_cl.evt.gz' / Input file name
FILIN005= 'ae402066010xi3_0_3x3n092a_cl.evt.gz' / Input file name
FILIN006= 'ae402066010xi3_0_5x5n092a_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 to observe 3 INTEGRAL-discovered High Mass X-ray Binaries (IGR HMXBs) to search for X-ray pulsations and to study their broadband spectra. Over the past few years, INTEGRAL has found a surprising number of HMXBs, and the large number of new, locally absorbed supergiant HMXBs indicate that these wind-accretors are more common than previously thought. In addition to high column densities, some of these systems have other extreme properties such as slowly rotating neutron stars (NSs) or rapid X-ray flares. For the systems we propose to observe, detection of pulsations is important for establishing the presence of a NS and for constraining the spin period distribution for HMXB NSs. As these are strong hard X-ray emitters, we will take advantage of Suzaku's broadband capabilities.