Sentences with phrase «as black hole binary»

«Many sources that emit transient X-ray flares, such as black hole binary star systems, also have associated radio emission.

Not exact matches

As such, gravitational waves present the best and only way to get a deep look at the population of stellar - mass binary black holes beyond our galaxy.

This theory, known as dynamical formation, is one of two recognized main channels for forming the binary black holes detected by the Advanced LIGO (Laser Interferometer Gravitational - Wave Observatory).

Rodriguez and colleagues used 52 detailed computer models to demonstrate how a globular cluster acts as a dominant source of binary black holes, producing hundreds of black hole mergers over a cluster's 12 - billion - year lifetime.

Interestingly, the stars around the center of NGC 1600 are moving as if the black hole were a binary.

NGC 1600 suggests that a key characteristic of a galaxy with binary black holes at its core is that the central, star - depleted region is the same size as the sphere of influence of the central black hole pair, Ma said.

Specifically, the most energetic iron emission they studied is characteristic of so - called x-ray binary starsduos comprised of a dense stellar object such as a white dwarf star, a neutron star or a black hole that collects matter from a less dense companion, emitting x-rays in the process.

Such isolated black holes would be too dim to discern at the galactic core, but the x-ray binaries serve as a tracer suggesting they're there — and in really big numbers.

The existence of black holes is now considered well established, both on a stellar scale, such as exists in the binary system Cygnus X-1, and on a scale of millions of solar masses at the centres of some galaxies.

At this paltry feeding rate, VLA J2130 +12 was not previously flagged as a black hole since it lacks some of the telltale signs that black holes in binaries typically display.

GW170608 is the lightest black hole binary that LIGO and Virgo have observed — and so is one of the first cases where black holes detected through gravitational waves have masses similar to black holes detected indirectly via electromagnetic radiation, such as X-rays.

«This is the first pair of black holes to be seen as separate objects that are moving with respect to each other, and thus makes this the first black - hole «visual binary,»» said Greg Taylor, of the University of New Mexico (UNM).

Late time cosmology with LISA probing the cosmic expansion with massive black hole binary mergers as standard sirens Nicola Tamanini 2017 March 20, 12:00 IA / U.

«While additional observations are needed to confirm this motion and obtain a precise orbit, this is apparently the first black hole system resolved as a visual binary,» they write.