Suzaku Observation : 504062010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '504062010'          / Observation identification string
OBSERVER= 'TOSHISHIGE HAGIHARA' / Principal Investigator
OBJECT  = 'VICINITY OF NGC 4051' / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             180.4630 / planned target R.A.(deg)
DEC_OBJ =              44.0959 / planned target DEC.(deg)
RA_NOM  = 1.804686000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 4.411460000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             109.3717 / nominal position angle from north to DETY(deg)
MEAN_EA1=     180.468564861503 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      45.885442923140 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     340.628313840949 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2009-12-19T08:18:11' / Start date of observations
DATE-END= '2009-12-21T12:20:14' / End date of observations
TSTART  = 3.145282240000000E+08 / time start
TSTOP   = 3.147132001519475E+08 / time stop
TELAPSE = 1.849761519474983E+05 / elapsed time
ONTIME  = 8.964647794091702E+04 / On-source time
EXPOSURE= 8.964647794091702E+04 / Exposure time
MJD-OBS = 5.518437370583333E+04 / MJD of data start time
FILIN001= 'ae504062010xi0_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= 'ae504062010xi0_0_5x5n066h_cl.evt.gz' / Input file name
FILIN003= 'ae504062010xi0_0_5x5n066l_cl.evt.gz' / Input file name
FILIN004= 'ae504062010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN005= 'ae504062010xi1_0_5x5n069b_cl.evt.gz' / Input file name
FILIN006= 'ae504062010xi3_0_3x3n066a_cl.evt.gz' / Input file name
FILIN007= 'ae504062010xi3_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:

The highly ionized absorption lines of OVII and OVII at z = 0 have been unambiguously detected toward the bright AGN NGC 4051 by the high-resolution spectrometers onboard Chandra and XMM-Newton. However, the spatial extent and thus the nature of the absorbing warm-hot gas are yet unknown; it can be from 1 Mpc scale WHIM (Warm-hot intergalactic medium) to a few kpc scale galactic wind. We propose to observe the very vicinity of the AGN to determine the OVII and OVIII emission line intensities and the temperature of the warm-hot gas. Joint analysis of absorption and emission lines will unambiguously constrain the spatial extent of the warm-hot gas.