Supermassive Black Holes

Some articles on supermassive black hole, black holes, black hole, supermassive black holes, hole:

M-sigma Relation
... σ of a galaxy bulge and the mass M of the supermassive black hole at the galaxy's center ... relation, which was called the "Faber-Jackson law for black holes", was Publication of the relation in a refereed journal, by two groups, took place the following year ... One recent study, based on a complete sample of published black hole masses in nearby galaxies, gives Earlier work had demonstrated a possible relationship between galaxy luminosity and black hole ...
Supermassive Black Holes Outside The Milky Way
... It is now widely accepted that the center of nearly every galaxy contains a supermassive black hole ... observational correlation between the mass of this hole and the velocity dispersion of the host galaxy's bulge, known as the M-sigma relation, strongly suggests a ... (1.1–2.3) × 108 (110-230 million) solar mass central black hole, significantly larger than the Milky Way's ...
Sołtan Argument - History
... through the last stable circular orbit (note that the term black hole had been coined only two years earlier and was still gaining popular usage), roughly 1010 quasars existed in the observable ... Sołtan argument, though the direct connection between black hole masses and quasar luminosity functions is missing ... magnitude the masses of several of the closest supermassive black holes including the ones in the Milky Way, M31, M32, M81, M82, M87, and NGC 4151 ...

Famous quotes containing the words holes and/or black:

    Why are all these dolls falling out of the sky?
    Was there a father?
    Or have the planets cut holes in their nets
    and let our childhood out,
    or are we the dolls themselves,
    born but never fed?
    Anne Sexton (1928–1974)

    Our inherent human charity and our religious beliefs will be taxed to the limit. No poor, rural, weak, or black person should ever have to bear the additional burden of being deprived of the opportunity of an education, a job, or simple justice.
    Jimmy Carter (James Earl Carter, Jr.)