Suzaku Observation : 100034010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '100034010'          / Observation identification string
OBSERVER= 'Suzaku SWG'         / Principal Investigator
OBJECT  = 'A 3376  '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              90.5625 / planned target R.A.(deg)
DEC_OBJ =             -39.9500 / planned target DEC.(deg)
RA_NOM  = 9.055610000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = -3.995840000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             107.6124 / nominal position angle from north to DETY(deg)
MEAN_EA1=      90.556050045877 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     129.958371315068 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     342.387604338778 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2005-10-06T14:46:08' / Start date of observations
DATE-END= '2005-10-10T10:47:24' / End date of observations
TSTART  = 1.819281680000000E+08 / time start
TSTOP   = 1.822564224531471E+08 / time stop
TELAPSE = 3.282544531471133E+05 / elapsed time
ONTIME  = 1.217798121240139E+05 / On-source time
EXPOSURE= 1.217798121240139E+05 / Exposure time
MJD-OBS = 5.364965083546296E+04 / MJD of data start time
FILIN001= 'ae100034010xi0_0_3x3n000a_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= 'ae100034010xi0_0_5x5n000a_cl.evt.gz' / Input file name
FILIN003= 'ae100034010xi1_0_3x3n001b_cl.evt.gz' / Input file name
FILIN004= 'ae100034010xi1_0_5x5n001b_cl.evt.gz' / Input file name
FILIN005= 'ae100034010xi2_0_3x3n000a_cl.evt.gz' / Input file name
FILIN006= 'ae100034010xi2_0_5x5n000a_cl.evt.gz' / Input file name
FILIN007= 'ae100034010xi3_0_3x3n000a_cl.evt.gz' / Input file name
FILIN008= 'ae100034010xi3_0_5x5n000a_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:

Abell 3376 (z=0.046) is a merging cluster with a T=4 keV (*3) hosting a pair of strong radio halos (see figure). It is one of the few clusters from which BeppoSAX positively detected excess hard X-rays (Nevalainen et al. ApJ 608, 166, 2004). Because of the relatively low temperature, the HXD-PIN energy band is expected to be relatively free from thermal emission, making this object ideal to the search for non-thermal signals. We expect the non-thermal flux to be 4-5% of the PIN background at 20 keV, and a 150 ksec on-source exposure would be needed to securely detect this. To know the current background over the full COR range, an off-source exposure for one day or a ~40 ksec exposure onto a very soft source, would be required immediately before or after the on-source data acquisition.