Suzaku Observation : 804039010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '804039010'          / Observation identification string
OBSERVER= 'TORU TAMAGAWA'      / Principal Investigator
OBJECT  = 'N103B   '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              77.1680 / planned target R.A.(deg)
DEC_OBJ =             -68.7410 / planned target DEC.(deg)
RA_NOM  = 7.715000000000001E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -6.873590000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             199.4598 / nominal position angle from north to DETY(deg)
MEAN_EA1=      77.150003210013 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     158.735946521345 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     250.540160812185 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-12-29T11:20:53' / Start date of observations
DATE-END= '2010-01-04T14:30:25' / End date of observations
TSTART  = 3.154017760000000E+08 / time start
TSTOP   = 3.159306081609015E+08 / time stop
TELAPSE = 5.288321609015465E+05 / elapsed time
ONTIME  = 2.240347147006392E+05 / On-source time
EXPOSURE= 2.240347147006392E+05 / Exposure time
MJD-OBS = 5.519448426138889E+04 / MJD of data start time
FILIN001= 'ae804039010xi0_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= 'ae804039010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae804039010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae804039010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae804039010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae804039010xi3_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:

We aim to detect very low abundance lines, Cr and Mn, from SNR N103B in the Large Magellanic Cloud which is a low metaricity galaxy. It is known that a mass ratio of Mn to Cr synthesized in Type Ia supernovae is strongly correrated with the metaricity of the progenitor white dwarf. In the early Suzaku observation, we already detected the Cr line with about 3-sigma confidence level. In this follow-up observation, we detect the Cr and Mn lines with significant confidence, and determine the metaricity of the progenitor of SNR N103B. This will be the first measurement of the white dwarf's metaricity in the extra-galactic object.