Orbital verification Orbital verification of the performance of of the performance of Suzaku XIS Suzaku XIS K. Hayashida, K. Torii, M. Namiki, N. Anabuki, S. Katsuda, K. Hayashida, K. Torii, M. Namiki, N. Anabuki, S. Katsuda, N. Tawa, T. Miyauchi, H. Tsunemi, Osaka Univ. (Japan); N. Tawa, T. Miyauchi, H. Tsunemi, Osaka Univ. (Japan); H. Matsumoto, T. G. Tsuru, H. Nakajima, H. Yamaguchi, K. Koy H. Matsumoto, T. G. Tsuru, H. Nakajima, H. Yamaguchi, K. Koy ama, Kyoto Univ. (Japan); ama, Kyoto Univ. (Japan); T. Dotani, M. Ozaki, H. Murakami, H. Katayama, Japan Aerospa T. Dotani, M. Ozaki, H. Murakami, H. Katayama, Japan Aerospa ce Exploration Agency (Japan); ce Exploration Agency (Japan); S. Kitamoto, Rikkyo Univ. (Japan); H. Awaki, Ehime Univ. (Ja S. Kitamoto, Rikkyo Univ. (Japan); H. Awaki, Ehime Univ. (Ja pan); pan); T. Kohmura, Kogakuin Univ. (Japan); T. Kohmura, Kogakuin Univ. (Japan); B. LaMarr, E. Miller, S. E. Kissel, M. W. Bautz, R. F. Foste B. LaMarr, E. Miller, S. E. Kissel, M. W. Bautz, R. F. Foste r, Massachusetts Institute of Technology r, Massachusetts Institute of Technology
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Orbital verification of the performance of Suzaku XIS K. Hayashida, K. Torii, M. Namiki, N. Anabuki, S. Katsuda, N. Tawa, T. Miyauchi, H. Tsunemi, Osaka.
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Orbital verification of the perfOrbital verification of the performance of Suzaku XISormance of Suzaku XIS
K. Hayashida, K. Torii, M. Namiki, N. Anabuki, S. Katsuda, N. Tawa, T. Miyauchi, K. Hayashida, K. Torii, M. Namiki, N. Anabuki, S. Katsuda, N. Tawa, T. Miyauchi, H. Tsunemi, Osaka Univ. (Japan); H. Tsunemi, Osaka Univ. (Japan);
H. Matsumoto, T. G. Tsuru, H. Nakajima, H. Yamaguchi, K. Koyama, Kyoto Univ. H. Matsumoto, T. G. Tsuru, H. Nakajima, H. Yamaguchi, K. Koyama, Kyoto Univ. (Japan); (Japan);
T. Dotani, M. Ozaki, H. Murakami, H. Katayama, Japan Aerospace Exploration AgT. Dotani, M. Ozaki, H. Murakami, H. Katayama, Japan Aerospace Exploration Agency (Japan); ency (Japan);
S. Kitamoto, Rikkyo Univ. (Japan); H. Awaki, Ehime Univ. (Japan); S. Kitamoto, Rikkyo Univ. (Japan); H. Awaki, Ehime Univ. (Japan); T. Kohmura, Kogakuin Univ. (Japan); T. Kohmura, Kogakuin Univ. (Japan);
B. LaMarr, E. Miller, S. E. Kissel, M. W. Bautz, R. F. Foster, Massachusetts InstituB. LaMarr, E. Miller, S. E. Kissel, M. W. Bautz, R. F. Foster, Massachusetts Institute of Technology te of Technology
(Transmission (Transmission measurement measurement with PIN diode)with PIN diode)
Camera Camera onboard the onboard the satellitesatellite
ISAS/JAXAISAS/JAXA 55Fe55Fe
Initial Operation and Current StatusInitial Operation and Current Status2005/7/10 Suzaku Launch2005/7/10 Suzaku Launch2005/7/25 XIS System Power On2005/7/25 XIS System Power On2005/8/12-8/13 2005/8/12-8/13
XIS Door OpenXIS Door Open = = First LightFirst Light
2006/05/312006/05/31 More than 100 objectMore than 100 objects were observed. 4 CCD s were observed. 4 CCD Cameras are functioning Cameras are functioning properly.properly.
JAXA press release
E0102-72
~0.5keV incident~0.5keV incidentBI
Small tail component!
Chemisorption ProcessChemisorption Process
Burke et al., 2004, IEEE transactions on Nuclear Science, 51, p.2322
Gain Decrease ~2%/yearGain Decrease ~2%/year Energy Resolution 140eV ->170~180eVEnergy Resolution 140eV ->170~180eVCTICTI increase induced by orbital radiation damage of the CCD increase induced by orbital radiation damage of the CCD
PH [ch]
cou
nts Mn-K 5.9keV
Mn-K 6.5keV
Peak ch of Mn-K(Normalized to the ch at 1st ligt)
Energy ResolutionFWHM @ 5.9keV
Determination CTI parameters included in rev0.6 data
Whole Area cal src data (8/11)
Q = PHA(ACTY=0)
Corner cal src data (8/15 ~ 11/20)
T
Q’(T) = PHA(ACTY=896, T)
Q’ = Q(1-CTI)N
→ CTI = (Q- Q’) / Q / NQ : Initial chargeQ’ : Readout chargeN : Number of P transfer
Rev0.6 Correction as a function of time, location, assuming •CTI energy dependence Ex^-0.5•CTI is constant at ACTY=0
Cyg Loop Galactic Center Sgr C
<2% at lower energy, <1% at higher energy side.Revised correction (rev0.7 processing) is almost ready now.
1% 1%
broken line : expected energy
QE + XRT effective area verification with Crab
By S.Okada et al., XRT team 20060213
QE (low energy partQE (low energy part )) CalibrationCalibrationRXJ1856.5-3754RXJ1856.5-3754 2005/10/24-262005/10/24-26
Rev0.3 data -10eV offset
a: Based Cal on the Ground
b: a x excess0.15mC
c: Dead Layer =Design Value
d: c x excess0.15mC
C-K edge ~0.3keV
63.5eV blackbody
>0.3keV 1/3-1/2 of expected value
Isolated NS
E0102-72 Repeated Observation→Degradation of QE
E0102-72 Repeated Observation→Degradation of QE
• E0102: SNR in SMC, bright in soft X-ray lines
• excellent calibrator for low-E gain, QE changes
model
thermal bremss + 24 Gaussian emission lines
Galactic + SMC absorption
pure C absorption from contaminant (varabs)
gain shift -5 eV ~ -15 ev
r2 ~ 1.6 (FIs) to 2.5 (BI)
2005-08-13
2005-08-31
2005-12-16
2006-01-17
OVIII NeIX NeX
MgXIOVII
2006-02-02
Low background level is confirmed→Efficient for low surface brightness
SummarySummary 4 XIS CCD cameras are functioning properly4 XIS CCD cameras are functioning properly More than 100 targets were observed already. More than 100 targets were observed already. Gain and energy resolution are monitored with built-in Gain and energy resolution are monitored with built-in
calibration source. CTI correction to compensate radiation calibration source. CTI correction to compensate radiation damage induced gain decrease (~2%/year) is introduced. damage induced gain decrease (~2%/year) is introduced. Energy scale error in rev0.6 processing is 1%-2%. Rev0.7 processing Energy scale error in rev0.6 processing is 1%-2%. Rev0.7 processing
with higher accuracy is now almost ready to use. with higher accuracy is now almost ready to use. QE at high energy is almost as expected (error ~10%) from QE at high energy is almost as expected (error ~10%) from
Crab data.Crab data. Low energy QE suffers significant degradation. Low energy QE suffers significant degradation.
Possibly C-dominant material put on Optical Blocking Filter (OBF)Possibly C-dominant material put on Optical Blocking Filter (OBF) (Details will be presented in a separate paper) (Details will be presented in a separate paper)
Activity to update calibration and their tool is under going.Activity to update calibration and their tool is under going.