Suzaku Observation : 404038010

QL FITS Image

HTTP dir for public data including pipe-line products
SUZAKU MASTER for master database
UDON2 to quickly extract spectrum and light-curve
JUDO2 to show the pointing position and compare with other data
Fits Header
TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '404038010'          / 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  = 1.612306000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -5.973130000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             291.9998 / nominal position angle from north to DETY(deg)
MEAN_EA1=     161.230641097777 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     149.731298045519 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     158.000205629902 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-06-10T19:45:43' / Start date of observations
DATE-END= '2009-06-12T07:00:19' / End date of observations
TSTART  = 2.979788657342328E+08 / time start
TSTOP   = 2.981052017171081E+08 / time stop
TELAPSE = 1.263359828752875E+05 / elapsed time
ONTIME  = 5.123389842200279E+04 / On-source time
EXPOSURE= 5.123389842200279E+04 / Exposure time
MJD-OBS = 5.499283020738695E+04 / MJD of data start time
FILIN001= 'ae404038010xi0_0_3x3n066a_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= 'ae404038010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae404038010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae404038010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae404038010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae404038010xi3_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:

The collision of winds in the supermassive binary Eta Car produces hot plasma detectable by Suzaku to 40 keV. This emission provides key clues to the way extremely massive stars lose mass. We propose to observe this hard X-ray emission with Suzaku after the periastron passage in order to measure the intrinsic luminosity of the wind-wind shock to determine the density of the wind near the shock boundary, and to measure the absorbing column to indicate the density profile in the distorted wind of the primary star. In addition HXD observations will measure any excess emission up to energies of 40 keV to constrain the amount of particle acceleration in the shock by the first order Fermi process and to help resolve the discrepancy between published BeppoSAX and INTEGRAL measurements.