Suzaku Observation : 809058010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '809058010'          / Observation identification string
OBSERVER= '        '           / Principal Investigator
OBJECT  = 'FG23    '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             232.4429 / planned target R.A.(deg)
DEC_OBJ =              44.1345 / planned target DEC.(deg)
RA_NOM  = 2.324567000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 4.414290000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             150.3369 / nominal position angle from north to DETY(deg)
MEAN_EA1=     232.456734251437 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      45.857070985325 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     299.663083078628 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2014-12-16T07:27:34' / Start date of observations
DATE-END= '2014-12-17T03:35:15' / End date of observations
TSTART  = 4.720318440000000E+08 / time start
TSTOP   = 4.721024968959266E+08 / time stop
TELAPSE = 7.065289592659473E+04 / elapsed time
ONTIME  = 3.844183117616177E+04 / On-source time
EXPOSURE= 3.844183117616177E+04 / Exposure time
MJD-OBS = 5.700733227064815E+04 / MJD of data start time
FILIN001= 'ae809058010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    3 / 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= 'ae809058010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae809058010xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN004= 'ae809058010xi1_0_5x5n130b_cl.evt.gz' / Input file name
FILIN005= 'ae809058010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae809058010xi3_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:

Optical and X-ray measurements of fossil galaxy systems (FGs) suggest that they are old and relaxed. If FGs are assembled at higher redshifts, there is enough time for intermediate-luminosity galaxies to merge, resulting in the formation of the brightest group galaxy (BGG). We carry out the first systematic and multiwavelength study of a large sample of FGs, the FOssil Group Origins (FOGO) project. We propose to observe four bona fide fossil groups, most with T< 2 keV measuring Tx and Lx for objects at the mass scale of groups, which are rather unexplored. We will evaluate Lx-Tx, Lopt-Tx, and sigmaV-Tx relations as compared to our sample of fossil clusters completing the first X-ray selected sample of fossil systems ranging from the cluster to galaxy group scale.