The X-ray intensity-hardness ratio relation in LMXRB
Krishna M. V. Apparao S. P. Tarafdar
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It is sometimes suggested that the change from the horizontal to the normal branch in the X-ray intensity-hardness ratio diagram of low mass X-ray binaries, is due to a change from a thin to a thick disk. It is shown here that wind from the hot thick disk depletes the amount of matter reaching the neutron star, thus causing the observed reduction of X-ray intensity as hardness ratio decreases in the normal branch.
Krishna M. V. Apparao1 S. P. Tarafdar1
Volume 44, 2023
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