Suzaku Observation : 501075010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '501075010'          / Observation identification string
OBSERVER= 'ROBERT PETRE'       / Principal Investigator
OBJECT  = 'G156.2+5.7NW'       / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              74.2221 / planned target R.A.(deg)
DEC_OBJ =              52.4261 / planned target DEC.(deg)
RA_NOM  = 7.422300000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = 5.241740000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             273.8830 / nominal position angle from north to DETY(deg)
MEAN_EA1=      74.223026072357 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      37.582595585462 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     176.116981990042 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2007-02-16T15:40:27' / Start date of observations
DATE-END= '2007-02-17T18:08:24' / End date of observations
TSTART  = 2.249563437330286E+08 / time start
TSTOP   = 2.250499820000000E+08 / time stop
TELAPSE = 9.363826697137952E+04 / elapsed time
ONTIME  = 5.054685093787313E+04 / On-source time
EXPOSURE= 5.054685093787313E+04 / Exposure time
MJD-OBS = 5.414766212866931E+04 / MJD of data start time
FILIN001= 'ae501075010xi0_0_3x3n066a_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae501075010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae501075010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae501075010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae501075010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae501075010xi3_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:

G156.2+5.7 (RX J04591+5147) is thought to be a 26,000 yr old Type Ia remnant expanding in a low density medium. Ginga and ASCA observations reveal a hard emission component, interpreted as arising from shock-accelerated electrons, making this the oldest SNR in which shock acceleration has been found. Recent reanalysis of the ASCA data leaves ambiguity about the existence of this component. The importance of understanding the evolution of shock acceleration in SNRs makes vital confirming the existence of the hard component and localizing it. We propose 50 ks XIS observations of 3 locations to localize the hard component. Given its angular size, lack of small high contrast features, 0.4 keV thermal component with strong lines, and hard component, G156.2+5.7 is an ideal Suzaku target.