Suzaku Observation : 505075010

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '505075010'          / Observation identification string
OBSERVER= 'KENJI HAMAGUCHI'    / Principal Investigator
OBJECT  = 'CARINA SW'          / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             160.2578 / planned target R.A.(deg)
DEC_OBJ =             -60.1050 / planned target DEC.(deg)
RA_NOM  = 1.602531000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -6.010400000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             109.6766 / nominal position angle from north to DETY(deg)
MEAN_EA1=     160.253114281647 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     150.104036890857 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     340.323363158090 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2010-12-12T17:32:24' / Start date of observations
DATE-END= '2010-12-13T10:39:12' / End date of observations
TSTART  = 3.454909607572554E+08 / time start
TSTOP   = 3.455519327457421E+08 / time stop
TELAPSE = 6.097198848664761E+04 / elapsed time
ONTIME  = 4.701193738186359E+04 / On-source time
EXPOSURE= 4.701193738186359E+04 / Exposure time
MJD-OBS = 5.554273871459786E+04 / MJD of data start time
FILIN001= 'ae505075010xi0_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= 'ae505075010xi1_0_3x3n069b_cl.evt.gz' / Input file name
FILIN003= 'ae505075010xi3_0_3x3n066a_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:

X-ray nebulae with kT =0.1-0.8 keV, log Lx up to 35 ergs/s, and size of 1-1000 pc accompany a number of giant HII region. The Carinae Nebula is the best region to study their origin with 10-100 times more luminous soft X-rays than any other giant HII regions in our Galaxy. X-ray observations especially with Suzaku revealed that a part, or all, of the diffuse plasma would heat up by earlier supernova explosions, but it is unknown when these explosions occurred and how they made the current X-ray nebula. The Chandra Carina Complex Project displayed that the southern part of the nebula emits strong hydrogen-like oxygen line. We will measure helium-like oxygen line with Suzaku to measure its plasma temperature and abundance to help understand relation with plasma in the nebula center.