Suzaku Observation : 505065010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '505065010'          / Observation identification string
OBSERVER= 'KAZIMIERZ BORKOWSKI' / Principal Investigator
OBJECT  = '0548-70.4'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              86.9538 / planned target R.A.(deg)
DEC_OBJ =             -70.4147 / planned target DEC.(deg)
RA_NOM  = 8.696190000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -7.041730000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              12.6051 / nominal position angle from north to DETY(deg)
MEAN_EA1=      86.961853526411 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     160.417281413372 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=      77.394886034363 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-07-01T21:04:18' / Start date of observations
DATE-END= '2010-07-04T15:05:17' / End date of observations
TSTART  = 3.313342143740629E+08 / time start
TSTOP   = 3.315710863404284E+08 / time stop
TELAPSE = 2.368719663654566E+05 / elapsed time
ONTIME  = 1.036745416000485E+05 / On-source time
EXPOSURE= 1.036745416000485E+05 / Exposure time
MJD-OBS = 5.537888748331091E+04 / MJD of data start time
FILIN001= 'ae505065010xi0_0_3x3n066l_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= 'ae505065010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae505065010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae505065010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae505065010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae505065010xi3_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:

Type Ia SNe play a central role in modern astrophysics, and yet we know little about their progenitors. Some of these progenitors are expected to significantly modify ambient medium around them prior to SN explosions. A standard Type Ia SNR model, a white dwarf explosion in a uniform ambient medium, fails to account for bright Fe-rich ejecta and faint blast waves seen in majority of Type Ia SNRs in the Magellanic Clouds. A promising explanation involves presence of dense circumstellar medium (CSM) around their progenitors. We propose a Suzaku study of 4 mature Type Ia SNRs in the LMC, with the goal of determining chemical abundances, temperatures and ionization ages within their ejecta. This will allow us to construct dynamical SNR models, and learn about their CSM and progenitors.