Suzaku Observation : 408030010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '408030010'          / Observation identification string
OBSERVER= 'KOJI MUKAI'         / Principal Investigator
OBJECT  = 'SWIFT J2319.4+2619' / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             349.8768 / planned target R.A.(deg)
DEC_OBJ =              26.2553 / planned target DEC.(deg)
RA_NOM  = 3.498819000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 2.624730000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             253.9963 / nominal position angle from north to DETY(deg)
MEAN_EA1=     349.881922169865 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      63.752658865939 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     196.003685430423 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-12-07T21:06:45' / Start date of observations
DATE-END= '2013-12-08T21:05:12' / End date of observations
TSTART  = 4.397684440000000E+08 / time start
TSTOP   = 4.398505900000000E+08 / time stop
TELAPSE = 8.214600000000000E+04 / elapsed time
ONTIME  = 4.127584646326303E+04 / On-source time
EXPOSURE= 4.127584646326303E+04 / Exposure time
MJD-OBS = 5.663391328916667E+04 / MJD of data start time
FILIN001= 'ae408030010xi0_0_3x3n066l_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= 'ae408030010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN003= 'ae408030010xi3_0_3x3n066a_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:

Polars are a subclass of magnetic cataclysmic variables in which a strongly magnetic white dwarf accretes matter from a late-type, Roche-lobe filling mass donor. They are usually soft X-ray bright and hard X-ray dim, due to either buried shocks or strong cyclotron cooling, depending on system parameters. However, a small subset of polars have been detected as bright hard X-ray sources in INTEGRAL and Swift BAT surveys. As a part of an effort to understand the hard-to-soft X-ray luminosity ratios of polars in general, and specifically to understand what combination of parameters make some polars hard X-ray bright, we propose Suzaku observations of two poorly studied BAT polars, Swift J2319.4+2619 and IW Eri, supported by ground-based observations including optical polarimetry.