Suzaku Observation : 807135010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '807135010'          / Observation identification string
OBSERVER= 'STEVEN W ALLEN'     / Principal Investigator
OBJECT  = 'ABELL 85 S1'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              10.6004 / planned target R.A.(deg)
DEC_OBJ =              -9.9847 / planned target DEC.(deg)
RA_NOM  = 1.060210000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -9.984100000000000E+00 / Declination of target (deci. deg)
PA_NOM  =             230.0000 / nominal position angle from north to DETY(deg)
MEAN_EA1=      10.602096431491 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      99.984129982187 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     219.999955481734 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2012-12-31T06:10:29' / Start date of observations
DATE-END= '2013-01-03T15:09:18' / End date of observations
TSTART  = 4.102511560000000E+08 / time start
TSTOP   = 4.105397606978189E+08 / time stop
TELAPSE = 2.886046978188753E+05 / elapsed time
ONTIME  = 1.399981859282851E+05 / On-source time
EXPOSURE= 1.399981859282851E+05 / Exposure time
MJD-OBS = 5.629227801138889E+04 / MJD of data start time
FILIN001= 'ae807135010xi0_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= 'ae807135010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae807135010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae807135010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae807135010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae807135010xi3_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 exposures with CHandra and Suzaku in Abell 85 to trace the impact of a galaxy group merging with a galaxy cluster at multiple scales. Existing observations of Abell 85 reveal an infalling galaxy group ~300 kpc to the south of the main cluster moving supersonically through the ICM. Stripped gas is observed trailing behind this group to distances of 2 Mpc. We will investigate interactions between this group and the main cluster by observing the shocks associated with the group's motion and the properties of stripped gas. We will be able to measure the properties of the stripped gas from the group's current location out to the virial radius by combining the data from both telescopes. These observations will provide key insights into how the largest structures form.