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Astrophysics: Stellar X - Ray Astrophysics
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- The Laboratory for High-Energy Astrophysics' astrophysics group has been responsible for several kinds of important instruments on many of the missions that have provided data for most of x-ray astronomy.
- Compact galactic x-ray sources show a wide variety of timing behaviors that are often associated with spectral signatures.
- The PCA instrument on RXTE discovered that the numerous low-mass x-ray binaries are probably all pulsars with rotation periods of 1-3 milliseconds.
- The dynamical time scales of stellar black hole candidates are revealing signals potentially diagnostic of the geometry and physics in the regions close to the black hole, where gravity is strong.
- Observations with the higher energy resolution (Chandra, XMM, at the moment) will greatly extend our ability to unravel the location and the state of the x-ray emission regions.
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