Suzaku Observation : 409011030

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '409011030'          / Observation identification string
OBSERVER= 'YOSHITOMO MAEDA'    / Principal Investigator
OBJECT  = 'SAGITTARIUS A*'     / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             266.4168 / planned target R.A.(deg)
DEC_OBJ =             -29.0078 / planned target DEC.(deg)
RA_NOM  = 2.664150000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = -2.900970000000000E+01 / Declination of target (deci. deg)
PA_NOM  =             105.7704 / nominal position angle from north to DETY(deg)
MEAN_EA1=     266.414975865705 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=     119.009654790693 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     344.229632570951 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2015-03-14T07:39:49' / Start date of observations
DATE-END= '2015-03-15T11:53:12' / End date of observations
TSTART  = 4.796339999771029E+08 / time start
TSTOP   = 4.797355739508436E+08 / time stop
TELAPSE = 1.015739737407565E+05 / elapsed time
ONTIME  = 4.736016847562790E+04 / On-source time
EXPOSURE= 4.736016847562790E+04 / Exposure time
MJD-OBS = 5.709532018704980E+04 / MJD of data start time
FILIN001= 'ae409011030xi0_0_3x3n066l_cl.evt.gz' / Input file name
SEQPNUM =                    3 / Number of times this dataset processed
PROCVER = '3.0.22.44'          / Processing script version
MK1STVER= 'mk1stfits20120530'  / Version of mk1stfits used
SOFTVER = 'Hea_08Feb2016_V6.18_Suzaku_14Nov2013_V22' / Version of HEADAS used
CALDBVER= 'hxd20110913_xis20160607_xrt20110630_xrs20060410' / Version of CALDB u
FILIN002= 'ae409011030xi1_0_3x3n130b_cl.evt.gz' / Input file name
FILIN003= 'ae409011030xi3_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:

With Suzaku, we will carry out the Suzaku monitoring of the supermassive blackhole Sgr A*. A small gas cloud, G2, is on an orbit almost straight into Sgr A* by spring 2014. This event give us a rare opportunity to test the mass feeding onto the blackhole by a gas. A theoretical calculation predicts a fast rise of the mass accretion in early 2014 and a maximum during the AO9 window. We then try five weekly monitoring with a 20 ksec each observation at each window.