X-Ray Binary Systems
نویسندگان
چکیده
منابع مشابه
X-ray QPOs in Black-Hole Binary Systems
We briefly review the properties and physical consequences of quasiperiodic oscillations (QPOs) seen on many occasions in the X-ray emission from black-hole binary systems. High frequency QPOs (ν > 40 Hz) continue to be scrutinized as effects of general relativity, with new attention to the role of resonances in their formation. Low-frequency QPOs (0.05 to 30 Hz) exhibit complicated behavior, w...
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We present the result of a systematic search for spectrally hard and soft X-ray binary systems in the Small Magellanic Cloud (SMC). This search has been applied to ROSAT PSPC data (0.1-2.4 keV) collected during nine pointed observations towards this galaxy covering a time span of ∼2 years from October 91 till October 93. Strict selection criteria have been defined in order to confine the sample...
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With their relatively fast variability time-scales, Galactic X-ray binaries provide an excellent laboratory to explore the physics of accretion and related phenomena, most notably outflows, over different regimes. After comparing the phenomenology of jets in black hole systems to that of neutron stars, here I discuss the role of the jet at very low Eddington ratios, and present preliminary resu...
متن کاملA radio pulsar/x-ray binary link.
Radio pulsars with millisecond spin periods are thought to have been spun up by the transfer of matter and angular momentum from a low-mass companion star during an x-ray-emitting phase. The spin periods of the neutron stars in several such low-mass x-ray binary (LMXB) systems have been shown to be in the millisecond regime, but no radio pulsations have been detected. Here we report on detectio...
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Relativistic jets powered by stellar mass black holes in X-ray binaries appear to come in two types: steady outflows associated with hard X-ray states and large scale discrete ejections associated with transient outbursts. We show that the broadband radio spectrum of a ‘quiescent’ stellar mass black hole closely resembles that of canonical hard state sources emitting at four orders of magnitude...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1980
ISSN: 0074-1809
DOI: 10.1017/s0074180900065050