Suzaku Observation : 403065010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '403065010'          / Observation identification string
OBSERVER= 'MICHAEL A NOWAK'    / Principal Investigator
OBJECT  = 'CYG X-1 '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             299.5903 / planned target R.A.(deg)
DEC_OBJ =              35.2016 / planned target DEC.(deg)
RA_NOM  = 2.995797000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 3.527140000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              84.4565 / nominal position angle from north to DETY(deg)
MEAN_EA1=     299.579734561957 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      54.728605072331 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=       5.543510911423 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2008-04-18T16:21:38' / Start date of observations
DATE-END= '2008-04-19T10:10:20' / End date of observations
TSTART  = 2.618509651305477E+08 / time start
TSTOP   = 2.619149956220412E+08 / time stop
TELAPSE = 6.403049149352312E+04 / elapsed time
ONTIME  = 8.493491999983788E+03 / On-source time
EXPOSURE= 8.493491999983788E+03 / Exposure time
MJD-OBS = 5.457468320965912E+04 / MJD of data start time
FILIN001= 'ae403065010xi1_0_3x3b105b_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= 'ae403065010xi3_0_2x2b106a_cl.evt.gz' / Input file name
FILIN003= 'ae403065010xi3_0_3x3b106a_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 request two 30 ksec observations of Cyg X-1, to be coordinated with our ongoing RXTE and Ryle radio telescope monitoring campaign. Suzaku brings three unique attributes to this campaign: the ability to describe the 0.5-3 keV spectrum (crucial for describing the disk spectrum), high spectral resolution in the Fe line region (crucial for resolving narrow from relativistically broadened features), and the 100-600 keV spectrum (crucial for distinguishing among thermal corona, non-thermal corona, and jet models). By coordinating with our ongoing monitoring program, we not only obtain useful cross-calibration information, we will be able to place current and future Suzaku observations of Cyg X-1 in the context of the source's global history.