Other
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010fym..confp...2k&link_type=abstract
"The First Year of MAXI: Monitoring Variable X-ray Sources", Poster Presentations, 4th International MAXI Workshop held November
Other
Scientific paper
The black hole candidate XTE J1752-223 was discovered on October 23, 2009 with RXTE/PCA and was observed by several other satellites in X-ray band, including MAXI. MAXI succeeded in covering whole picture of the outburst from low/hard state to high/soft state, and to low/hard state again. (Nakahira et al. 2010). Triggered by MAXI team, Suzaku carried out a ToO observation XTE J1752-223 with the wide X-ray band instruments on February 24, 2010. As Reis et al. (2010) reported, the source flux exceeded 400 mCrab and the spectrum was described with MCD, power-law model and broadened iron line. In general, we have to carefully estimate the effect of event pileup at the CCD image peak of such a bright source to avoid that effect. We independently estimated the pileup affected region in particular, and found that the region within 2 arcmin from the image peak is likely to be affected by pileup at least. In this paper we show the result of pileup estimation and the effect for the X-ray spectrum with the larger discarding area, and also the accretion disk parameter based on the obtained spectra.
Koyama Shinsuke
Kubota Aya
Seta Hiromi
Tashiro Makoto S.
Terada Yukikatsu
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