Suzaku Observation : 408041010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '408041010'          / Observation identification string
OBSERVER= 'VITALY NEUSTROEV'   / Principal Investigator
OBJECT  = 'FS AURIGAE'         / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              86.9500 / planned target R.A.(deg)
DEC_OBJ =              28.5864 / planned target DEC.(deg)
RA_NOM  = 8.694499999999999E+01 / Right Ascension of target (deci. deg)
DEC_NOM = 2.859620000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              90.5955 / nominal position angle from north to DETY(deg)
MEAN_EA1=      86.945020330426 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      61.403787024095 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     359.404458128725 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-09-06T04:30:35' / Start date of observations
DATE-END= '2013-09-07T19:16:17' / End date of observations
TSTART  = 4.317599150000000E+08 / time start
TSTOP   = 4.318953979774501E+08 / time stop
TELAPSE = 1.354829774500728E+05 / elapsed time
ONTIME  = 6.218420217841864E+04 / On-source time
EXPOSURE= 6.218420217841864E+04 / Exposure time
MJD-OBS = 5.654122198129629E+04 / MJD of data start time
FILIN001= 'ae408041010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / 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= 'ae408041010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae408041010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae408041010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae408041010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae408041010xi3_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:

FS Aur represents one of the most unusual cataclysmic variable to have ever been observed. It is famous for a variety of uncommon and puzzling periodic photometric and spectroscopic variabilities. Tovmassian, Zharikov & Neustroev (2007) proposed that the precession of a fast-rotating magnetically accreting white dwarf can successfully explain these phenomena. We request 62 ks observations of FS Aur to detect the magnetic WD, determine its spin period, confirm the flux and spectral variability with the precession period, inconclusively detected by Chandra and Swift, and thus to check the proposed model. The theory of compact objects predicts certain relations between the spin and precession periods, and our findings will provide a good test for the theory.