Suzaku Observation : 403038010

QL FITS Image

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Fits Header
TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '403038010'          / Observation identification string
OBSERVER= 'KENJI HAMAGUCHI'    / Principal Investigator
OBJECT  = 'ETA CARINAE'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             161.2650 / planned target R.A.(deg)
DEC_OBJ =             -59.6845 / planned target DEC.(deg)
RA_NOM  = 1.613639000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -5.967420000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             170.6228 / nominal position angle from north to DETY(deg)
MEAN_EA1=     161.363896106995 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     149.674206734221 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     279.377215656150 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-02-15T12:40:44' / Start date of observations
DATE-END= '2009-02-16T09:53:14' / End date of observations
TSTART  = 2.880172830000000E+08 / time start
TSTOP   = 2.880931790353227E+08 / time stop
TELAPSE = 7.589603532272577E+04 / elapsed time
ONTIME  = 3.556845968133211E+04 / On-source time
EXPOSURE= 3.556845968133211E+04 / Exposure time
MJD-OBS = 5.487753411092592E+04 / MJD of data start time
FILIN001= 'ae403038010xi0_0_3x3n066a_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae403038010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae403038010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae403038010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae403038010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae403038010xi3_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:

X-ray observations of Eta Carinae near the 2003 periastron passage confirmed that the X-ray emission primarily arises from collision of winds in a binary system, but raised fundamental questions about the cause of the 3 month-long X-ray minimum and an excess above ~10 keV (possibly up to 50 keV) in addition to the thermal emission with kT ~3-5 keV. These features would originate from plasma extremely embedded in the primary winds and acceleration of high energy particles at the wind colliding region. To resolve these features clearly, broad band Suzaku observations around the periastron passage are crucial. We propose four 30 ksec Suzaku observations of Eta Carinae during AO3, which will cover the next X-ray maximum (in late 2008) and minimum (in early 2009).