X-ray energy spectra of CAL87
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K. Ebisawa; T. Rauch; D. Takei
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Article
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2010
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John Wiley and Sons
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English
⚖ 270 KB
👁 1 views
## Abstract We present X‐ray spectral analysis of the super‐soft source CAL87 using ASCA, Chandra, XMM‐Newton observations. Early ASCA CCD spectrum reported a strong oxygen absorption edge, which is considered to originate in the an optically thick white‐dwarf atmosphere. On the other hand, contemp