Suzaku Observation : 501012010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '501012010'          / Observation identification string
OBSERVER= 'HIROSHI TSUNEMI'    / Principal Investigator
OBJECT  = 'CYGNUS_LOOP_P1'     / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             313.5100 / planned target R.A.(deg)
DEC_OBJ =              31.9750 / planned target DEC.(deg)
RA_NOM  = 3.135190000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 3.196570000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             240.0000 / nominal position angle from north to DETY(deg)
MEAN_EA1=     313.519026974634 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      58.034272944509 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     210.000015861380 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2007-11-13T14:32:32' / Start date of observations
DATE-END= '2007-11-14T02:10:19' / End date of observations
TSTART  = 2.482795569339341E+08 / time start
TSTOP   = 2.483212820000000E+08 / time stop
TELAPSE = 4.172506606587768E+04 / elapsed time
ONTIME  = 1.674885163310170E+04 / On-source time
EXPOSURE= 1.674885163310170E+04 / Exposure time
MJD-OBS = 5.441760672590201E+04 / MJD of data start time
FILIN001= 'ae501012010xi0_0_3x3n066a_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= 'ae501012010xi0_0_5x5n066a_cl.evt.gz' / Input file name
FILIN003= 'ae501012010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae501012010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae501012010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae501012010xi3_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 propose to observe a large part of the Cygnus Loop. The objective is to study the plasma of C and N that can not be measured without the BI of the XIS. The limb regoin showing C and N lines as well as O line. The central part showing strong Si and S lines is believed to be a fossil of the explosion. The fossil contains quite a lot of metal with relatively low density. Studying the C and N lines, we can evaluate O lines from the central part of the Loop. The observation should be done as soon as possible before C and N lines can not be seen due to the degradation of the XIS.