Suzaku Observation : 409037010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '409037010'          / Observation identification string
OBSERVER= 'FELIX FUERST'       / Principal Investigator
OBJECT  = 'CEP X-4 '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             324.8780 / planned target R.A.(deg)
DEC_OBJ =              56.9861 / planned target DEC.(deg)
RA_NOM  = 3.248580000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 5.699610000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              51.1039 / nominal position angle from north to DETY(deg)
MEAN_EA1=     324.858013501911 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      33.003893595521 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=      38.896145179577 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2014-06-18T20:49:49' / Start date of observations
DATE-END= '2014-06-20T00:52:21' / End date of observations
TSTART  = 4.564415430000000E+08 / time start
TSTOP   = 4.565407254522280E+08 / time stop
TELAPSE = 9.918245222800970E+04 / elapsed time
ONTIME  = 5.128361612761021E+04 / On-source time
EXPOSURE= 5.128361612761021E+04 / Exposure time
MJD-OBS = 5.682688897203704E+04 / MJD of data start time
FILIN001= 'ae409037010xi0_0_3x3n090l_cl.evt.gz' / Input file name
SEQPNUM =                    3 / Number of times this dataset processed
PROCVER = '3.0.22.44'          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20160607_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae409037010xi0_0_5x5n090l_cl.evt.gz' / Input file name
FILIN003= 'ae409037010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae409037010xi1_0_3x3n140b_cl.evt.gz' / Input file name
FILIN005= 'ae409037010xi1_0_5x5n140b_cl.evt.gz' / Input file name
FILIN006= 'ae409037010xi3_0_3x3n092a_cl.evt.gz' / Input file name
FILIN007= 'ae409037010xi3_0_5x5n092a_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 to perform Target of Opportunity observations of two accreting neutron stars that are known cyclotron line sources, out of a sample of five, in outburst. The aim is to observe the sources for 50 ks at a level of >~40 mCrab and for another 45 ks at >~200 mCrab, in order to determine the properties of the cyclotron line(s) and constrain the broad band spectrum at different luminosities. These measurements have implications for the B-field strength and geometry as well as the properties of the accreted plasma.