Suzaku Observation : 404070010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '404070010'          / Observation identification string
OBSERVER= 'LARA SIDOLI'        / Principal Investigator
OBJECT  = 'IGR J08408-4503'    / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             130.1991 / planned target R.A.(deg)
DEC_OBJ =             -45.0584 / planned target DEC.(deg)
RA_NOM  = 1.302449000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -4.502160000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             133.4432 / nominal position angle from north to DETY(deg)
MEAN_EA1=     130.244928313752 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     135.021561324132 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     316.556773499834 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-12-11T17:53:07' / Start date of observations
DATE-END= '2009-12-14T12:00:19' / End date of observations
TSTART  = 3.138712617737852E+08 / time start
TSTOP   = 3.141071999310369E+08 / time stop
TELAPSE = 2.359381572517157E+05 / elapsed time
ONTIME  = 9.264602864414454E+04 / On-source time
EXPOSURE= 9.264602864414454E+04 / Exposure time
MJD-OBS = 5.517676997636326E+04 / MJD of data start time
FILIN001= 'ae404070010xi0_0_3x3n066l_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= 'ae404070010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae404070010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae404070010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae404070010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae404070010xi3_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 100 ks Suzaku observation of a Supergiant Fast X-ray Transient (SFXT) displaying periodic outbursts, IGRJ08408-4503, with the main aim of searching for cyclotron lines in its spectrum.This would be the first direct measurement of the neutron star magnetic field in this recently discovered class of HMXBs, and would be crucial in discriminating between different models for the outburst mechanisms, involving highly magnetized neutron stars (1E14 G) versus more typical magnetic fields of 1E12 G.The source is a SFXT displaying recurrent outbursts on short timescales (flaring every about 11 and 24 days).Because in most SFXTs the outbursts are not predictable, fast and difficult to observe,the SFXT we are proposing is a key system to understand the physical properties of this class.