Suzaku Observation : 401034010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '401034010'          / Observation identification string
OBSERVER= 'ALEXANDER BROWN'    / Principal Investigator
OBJECT  = 'SIGMA^2 CRB'        / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             243.6696 / planned target R.A.(deg)
DEC_OBJ =              33.8583 / planned target DEC.(deg)
RA_NOM  = 2.436552000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 3.378810000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             281.1207 / nominal position angle from north to DETY(deg)
MEAN_EA1=     243.655150771130 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      56.211933615708 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     168.879300644072 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2006-08-22T11:26:05' / Start date of observations
DATE-END= '2006-08-25T04:37:14' / End date of observations
TSTART  = 2.095633551281405E+08 / time start
TSTOP   = 2.097958252075039E+08 / time stop
TELAPSE = 2.324700793634355E+05 / elapsed time
ONTIME  = 1.092603263929784E+05 / On-source time
EXPOSURE= 1.092603263929784E+05 / Exposure time
MJD-OBS = 5.396950253833496E+04 / MJD of data start time
FILIN001= 'ae401034010xi0_0_3x3n053a_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= 'ae401034010xi0_0_5x5n053a_cl.evt.gz' / Input file name
FILIN003= 'ae401034010xi1_0_3x3n001b_cl.evt.gz' / Input file name
FILIN004= 'ae401034010xi1_0_5x5n001b_cl.evt.gz' / Input file name
FILIN005= 'ae401034010xi2_0_3x3n000a_cl.evt.gz' / Input file name
FILIN006= 'ae401034010xi2_0_5x5n000a_cl.evt.gz' / Input file name
FILIN007= 'ae401034010xi3_0_3x3n000a_cl.evt.gz' / Input file name
FILIN008= 'ae401034010xi3_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:

Suzaku is a powerful instrument for studying the hot (>100 MK) coronal quiescent and flare emission from RS CVn binaries. We propose to obtain 110 ksec (3 day elapsed time) observations of the RS CVn systems Sigma^2 CrB (F6V + G0V) and Sigma Gem (K0III +?). Our goals are i) to better characterize their hard (> 10 keV) emission, ii) to understand the origin of coronal thermal and nonthermal plasma by studying the evolution of the coronal thermal structure, and iii) to investigate the persistent and flaring nonthermal electron population using a combination of X-ray and radio cm+mm continuum data. Such studies require the long duty cycle of Suzaku observations and its high sensitivity, particularly the greatly enhanced capability in the 10-25 keV region provided by HXD.