X-ray binary


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X-ray binary

n
(Astronomy) a binary star that is an intense source of X-rays and is composed of a normal star in close orbit with a white dwarf, neutron star, or black hole
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The researchers concluded the compact object was either a neutron star or a black hole and classified the system as a high-mass X-ray binary (HMXB).
2016) Application of the Ghosh & Lamb relation to the spin-up/down behavior in the X-ray binary pulsar 4U 1626-67.
The system is called an X-ray binary because it emits X-rays as material from the companion star spirals onto the much denser neutron star and is heated to very high temperatures.
In what's called a low-mass X-ray binary, a neutron star is spun up to a millisecond rotation period by material siphoned from its regular stellar companion.
Heinz asserted that X-ray binaries provide us with opportunities to study matter under extreme conditions that would be impossible to recreate in a laboratory, saying that for the first time, they can study a newly minted neutron star in an X-ray binary system.
Figure 1 shows a sketch of an X-ray binary system as it would be seen by a nearby observer.
That energy is visible as a bright spot called an X-ray binary.
They experience over few weeks transitions from a rotationally powered regime, in which they behave like radio pulsars, to a regime in which they accrete matter and emit intense high-energy radiation, like standard X-ray binary systems.
4 hours was measured, setting a new record for black hole X-ray binary systems.
Scientists hope to measure the spins of black holes in X-ray binary stars--a key topic in current discussions of black-hole evolution--as well as the geometry of neutron stars' intense magnetic fields.
Charles and his colleagues at the Royal Greenwich Observatory in the Canary Islands, Spain, to study the infrared spectra of the X-ray binary.
02167) detailed findings have been accepted for publication in the Monthly Notices of the Royal Astronomical Society, under the title "The ultracompact nature of the black hole candidate X-ray binary 47 Tuc X9.