observational overview of state transitions in x-ray binaries
observational overview of state transitions in x-ray binaries
observational overview of state transitions in x-ray binaries
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4<br />
H1743-322<br />
3<br />
1<br />
2<br />
WINDS<br />
Miller et al. 2006<br />
Of course, we can do the same as well for w<strong>in</strong>ds. In this case we rely on high resolution<br />
spectra to observe the l<strong>in</strong>e features from the w<strong>in</strong>d, but unfortunately such simultaneous<br />
observations with RXTE are not very common. Nevertheless, I’ll decided to give it a try for two<br />
sources.<br />
First is an example from H1743-332. Four Chandra observations were made. Remember that<br />
radio emission is mostly conf<strong>in</strong>ed to the right half <strong>of</strong> the track. The hardest <strong>of</strong> the four<br />
observations, nr 2, shows no absorption l<strong>in</strong>es. The three s<strong>of</strong>ter ones do and <strong>in</strong>dicate the<br />
presence <strong>of</strong> a w<strong>in</strong>d outflow.