Sentences with phrase «whose black hole masses»

ULXs are typically more than a hundred times more luminous than known black hole binaries in the Milky Way, whose black hole masses are at most 20 times the mass of the Sun.

Not exact matches

The object's closest compet itor is in the galaxy NGC 4486B, whose black hole takes up 11 percent of that galaxy's central bulge mass.»

Other evidence comes from the analysis of modern galaxies, most of which have central black holes whose masses seem to correlate closely with the properties of their host galaxies.

The neutron stars, whose masses were between 1.17 and 1.60 times that of the sun, probably collapsed into a black hole, although LIGO scientists were unable to determine the stars» fate for certain.

Put in slightly more formal language, Thorne's idea means that black holes form if, and only if, mass gets compacted into a region whose circumference in every direction is less than the critical value.

If a runaway star accumulates between 800 and 3000 times the Sun's mass before exploding as a supernova, it can produce a midsize black hole whose mass is 100 to 1000 times the Sun's.

This object may be a neutron star that contains approximately the mass of two Suns condensed into a sphere only about 20 km (12 mi) across, or alternatively an even more compact black hole, a collapsed star whose gravity is so strong that not even light can escape from it.

Astronomers have discovered three quasars — each a billion times the mass of the sun — whose very existence challenges our conventional understanding of how supermassive black holes form and evolve.