Suzaku Observation : 407047010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '407047010'          / Observation identification string
OBSERVER= 'KOJI MUKAI'         / Principal Investigator
OBJECT  = 'BV CEN  '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             202.8312 / planned target R.A.(deg)
DEC_OBJ =             -54.9760 / planned target DEC.(deg)
RA_NOM  = 2.028234000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -5.498030000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             120.7167 / nominal position angle from north to DETY(deg)
MEAN_EA1=     202.823392347982 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     144.980302739102 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     329.283263310887 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2013-02-06T00:35:33' / Start date of observations
DATE-END= '2013-02-06T11:39:16' / End date of observations
TSTART  = 4.134264265677931E+08 / time start
TSTOP   = 4.134659385605841E+08 / time stop
TELAPSE = 3.951199279105663E+04 / elapsed time
ONTIME  = 3.338799297142029E+04 / On-source time
EXPOSURE= 3.338799297142029E+04 / Exposure time
MJD-OBS = 5.632902882814575E+04 / MJD of data start time
FILIN001= 'ae407047010xi0_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= 'ae407047010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN003= 'ae407047010xi3_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:

The mass of an accreting white dwarf is a key parameter governing its X-ray emission. We expect that the higher the mass, the higher the temperature and luminosity. Existing data appear consistent with this expectation, given the considerable uncertainties usually associated with the white dwarf masses of individual systems. Here we propose Suzaku observations of 5 dwarf novae for which very high or very low white dwarf mass estimates have been published. These targets provide the best opportunity of further establishing the mass-temperature correlation. Moreover, if the mass estimates are reliable, these targets are of interest from evolutionary considerations - how did these systems form with such high/low mass white dwarfs, and what are their ultimate fates?