Suzaku Observation : 506051010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '506051010'          / Observation identification string
OBSERVER= 'STEPHEN P. REYNOLDS' / Principal Investigator
OBJECT  = 'G18.8+0.3'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             275.9469 / planned target R.A.(deg)
DEC_OBJ =             -12.3854 / planned target DEC.(deg)
RA_NOM  = 2.759435000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -1.237810000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              83.4994 / nominal position angle from north to DETY(deg)
MEAN_EA1=     275.943511654310 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     102.378086574266 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=       6.500559616382 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2012-03-08T22:01:58' / Start date of observations
DATE-END= '2012-03-10T03:50:15' / End date of observations
TSTART  = 3.845609330000000E+08 / time start
TSTOP   = 3.846666004073901E+08 / time stop
TELAPSE = 1.056674073900580E+05 / elapsed time
ONTIME  = 5.203648529762030E+04 / On-source time
EXPOSURE= 5.203648529762030E+04 / Exposure time
MJD-OBS = 5.599493746740741E+04 / MJD of data start time
FILIN001= 'ae506051010xi0_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= 'ae506051010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae506051010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae506051010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae506051010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae506051010xi3_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 a 50 ks exploratory observation of an interesting first-quadrant supernova remnant, G18.8+0.3, for which radio-continuum and CO data indicate interaction with a molecular cloud. Prior X-ray studies are limited to a 14 ks ROSAT PSPC observation producing about 500 counts. We expect about 12,000 counts with Suzaku, which should permit basic characterization of the spectrum and morphology of X-rays: shell-type, mixed-morphology (central thermal emission) or even composite (central PWN). Spectral analysis will allow us to determine or estimate shock speed, age, ambient density, and swept-up mass. As more middle-aged remnants are found to have unusual properties such as GeV-TeV emission, the study of objects like G18.8+0.3 assumes greater importance.