Suzaku Observation : 406010030

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Fits Header

TELESCOP= 'SUZAKU  '           / Telescope (mission) name
OBS_ID  = '406010030'          / Observation identification string
OBSERVER= 'KAZUTAKA YAMAOKA'   / Principal Investigator
OBJECT  = 'AQL X-1 '           / Name of observed object
OBS_REM = '        '           / remark on observation
RA_OBJ  =             287.8169 / planned target R.A.(deg)
DEC_OBJ =               0.5849 / planned target DEC.(deg)
RA_NOM  = 2.878278000000000E+02 / Right Ascension of target (deci. deg)
DEC_NOM = 5.718000000000000E-01 / Declination of target (deci. deg)
PA_NOM  =             243.2618 / nominal position angle from north to DETY(deg)
MEAN_EA1=     287.827766586178 / mean of the 1st ZYZ-Euler angle (deg)
MEAN_EA2=      89.428190101150 / mean of the 2nd ZYZ-Euler angle (deg)
MEAN_EA3=     206.738239396559 / mean of the 3rd ZYZ-Euler angle (deg)
DATE-OBS= '2011-10-24T17:26:47' / Start date of observations
DATE-END= '2011-10-25T13:53:19' / End date of observations
TSTART  = 3.727959430693279E+08 / time start
TSTOP   = 3.728659755602395E+08 / time stop
TELAPSE = 7.003249091160297E+04 / elapsed time
ONTIME  = 9.634404268383980E+03 / On-source time
EXPOSURE= 9.634404268383980E+03 / Exposure time
MJD-OBS = 5.585876860246907E+04 / MJD of data start time
FILIN001= 'ae406010030xi0_0_2x2b104l_cl.evt.gz' / Input file name
SEQPNUM =                    2 / 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= 'ae406010030xi1_0_3x3b137b_cl.evt.gz' / Input file name
FILIN003= 'ae406010030xi3_0_2x2b106a_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:

We propose to observe the neutron star binary Aql X-1 during the initial outburst phase with Suzaku ToO. The initial outburst phase is very important for studying the spectral state transition and jet ejections in the accretion physics. However, a detailed study of this phase has not been done much yet due to the insufficient sky coverage and sensitivity of the all-sky monitors. The current MAXI/GSC, Swift/BAT and RXTE/ASM+PCA survey has a very good sensitivity and sky coverage, which can promptly trigger the pointed X-ray observations. Suzaku high-sensitive broadband observations and possible radio coordinated observations will reveals us to establish the unified picture in accretion disks and jets in X-ray binaries, which are independent of the central object.