Suzaku Observation : 404034010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '404034010'          / Observation identification string
OBSERVER= 'THOMAS R. AYRES'    / Principal Investigator
OBJECT  = 'HD6903  '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =              17.4550 / planned target R.A.(deg)
DEC_OBJ =              19.6584 / planned target DEC.(deg)
RA_NOM  = 1.745070000000000E+01 / Right Ascension of target (deci. deg)
DEC_NOM = 1.966200000000000E+01 / Declination of target (deci. deg)
PA_NOM  =              70.0004 / nominal position angle from north to DETY(deg)
MEAN_EA1=      17.450671686268 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      70.338006925716 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=      19.999553692999 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-07-19T09:10:42' / Start date of observations
DATE-END= '2009-07-20T08:35:20' / End date of observations
TSTART  = 3.013106360000000E+08 / time start
TSTOP   = 3.013941053752058E+08 / time stop
TELAPSE = 8.346937520575523E+04 / elapsed time
ONTIME  = 3.683748496806622E+04 / On-source time
EXPOSURE= 3.683748496806622E+04 / Exposure time
MJD-OBS = 5.503139236324074E+04 / MJD of data start time
FILIN001= 'ae404034010xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / 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= 'ae404034010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN003= 'ae404034010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN004= 'ae404034010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN005= 'ae404034010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN006= 'ae404034010xi3_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:

Suzaku XIS spectra of two G0 III Hertzsprung gap giants will complete a multi-observatory survey of the anomalous coronal behavior of this "X-ray deficient" class. The abrupt rise in coronal luminosities from the warmer giants to their cooler cousins, only slightly further advanced in evolution, might signal disruption of a "fossil" magnetosphere by a newly born solar-like dynamo. Key discriminators are the coronal energy distribution, composition (FIP bias), and sporadic hard emission associated with flaring. The proposed targets are the brightest not previously observed in X-rays at CCD resolution, and both have supporting HST UV spectra. Expanding the high energy sample of this key class of objects is essential for probing their contrary, but perhaps deeply significant, behavior.