Central question: Why do quasars evolve?. Quasar & Black Hole Science for GSMT. BACKGROUND. (1) 2DF, SLOAN, 2Mass, First and other surveys are revealing an ever more complete census of the quasar population from z=0 to 7. Background (continued).
Central question: Why do quasars evolve?
(1) 2DF, SLOAN, 2Mass, First and other surveys
are revealing an ever more complete census of the
quasar population from z=0 to 7.
The peak of quasar activity was at z~2, when the Universe was only 30% of its present age.
Reionization of intergalactic hydrogen happened at z= 6.5-7.0
A detailed picture of the central engine has been developed
Black holes have been linked to the stellar/baryonic/CDM components of galaxies
Feedback to the IGM via UV radiation and shock energy is probably also important
The quasar phenomenon and the evolution of the quasar luminosity function is thus placed into the context of the evolution of galaxies and large scale structure
(1) Direct imaging of central engines of quasars
(2) Extend kinematic measurements of black hole masses to cosmological distances
(3) Study quasar host galaxies
(4) Deep quasar surveys
GSMT will enable (2) – (4)
Narrow Line Region
And Extended Narrow Line Region
Broad line region