Suzaku Observation : 401046030

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '401046030'          / Observation identification string
OBSERVER= 'ANDREW J YOUNG'     / Principal Investigator
OBJECT  = '4U 1705-44'         / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             257.2270 / planned target R.A.(deg)
DEC_OBJ =             -44.1021 / planned target DEC.(deg)
RA_NOM  = 2.572313000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -4.410280000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             297.0793 / nominal position angle from north to DETY(deg)
MEAN_EA1=     257.231348287592 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     134.102839086163 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     152.920655694734 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2006-10-06T10:10:57' / Start date of observations
DATE-END= '2006-10-07T02:08:19' / End date of observations
TSTART  = 2.134448086881957E+08 / time start
TSTOP   = 2.135014006797601E+08 / time stop
TELAPSE = 5.659199156439304E+04 / elapsed time
ONTIME  = 2.006493644964695E+04 / On-source time
EXPOSURE= 2.006493644964695E+04 / Exposure time
MJD-OBS = 5.401442676935412E+04 / MJD of data start time
FILIN001= 'ae401046030xi0_0_3x3n053a_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= 'ae401046030xi0_0_5x5n053a_cl.evt.gz' / Input file name
FILIN003= 'ae401046030xi1_0_3x3n054b_cl.evt.gz' / Input file name
FILIN004= 'ae401046030xi1_0_5x5n054b_cl.evt.gz' / Input file name
FILIN005= 'ae401046030xi2_0_3x3n015a_cl.evt.gz' / Input file name
FILIN006= 'ae401046030xi2_0_5x5n015a_cl.evt.gz' / Input file name
FILIN007= 'ae401046030xi3_0_3x3n055a_cl.evt.gz' / Input file name
FILIN008= 'ae401046030xi3_0_5x5n055a_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 3x20 ks observations of the neutron star binary 4U 1705-44. The primary science goals are: 1) Accurately characterize the profile of the iron K line using the XIS, and determine whether the iron line is produced in a Comptonizing corona or is a fluorescence line produced in an accretion disk. 2) Measure the hard X-ray spectral shape up to 30 keV with the HXD, and determine the relative importance of thermal Comptonization vs. synchrotron or inverse-Compton emission from a jet. 3) Determine how the iron line and hard X-ray spectrum change with spectral state, and hence how the corona and/or disk change with spectral state (e.g. variations in corona size or disk inner radius), and the role of the jet in the low/hard state.