757 citations · 1.1k across the 7 of their papers we have counts for
9 papers
Supermassive black holes at high redshifts
Vaidehi S. Paliya, Marco Ajello, Lea Marcotulli +31
MeV blazars are the most luminous persistent sources in the Universe and emit most of their energy in the MeV band. These objects display very large jet powers and accretion lumino…
The Discovery of a Gravitationally Lensed Quasar at z = 6.51
Xiaohui Fan, Feige Wang, Jinyi Yang +17
Strong gravitational lensing provides a powerful probe of the physical properties of quasars and their host galaxies. A high fraction of the most luminous high-redshift quasars was…
An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30
Xue-Bing Wu, Feige Wang, Xiaohui Fan +10
So far, roughly 40 quasars with redshifts greater than z=6 have been discovered. Each quasar contains a black hole with a mass of about one billion solar masses (). T…
Keck Deep Fields. IV. Luminosity Dependent Clustering and Galaxy Downsizing in UV-Selected Galaxies at z=4, 3, and 2
Jonathan Savoy, Marcin Sawicki, David Thompson +1
We investigate the luminosity dependent clustering of rest-frame UV selected galaxies at z~4, 3, 2.2, and 1.7 in the Keck Deep Fields (KDFs), which are complete to R = 27 and cover…
Isoperimetric problems in sectors with density
Alexander Díaz, Nate Harman, Sean Howe +1
We consider the isoperimetric problem in planar sectors with density , and with density inside the unit disk and outside. We characterize solutions as a function o…
LBT/LUCIFER Observations of the z~2 Lensed Galaxy J0900+2234
Fuyan Bian, Xiaohui Fan, Jill Bechtold +11
We present rest-frame optical images and spectra of the gravitationally lensed, star-forming galaxy J0900+2234 (z=2.03). The observations were performed with the newly commissioned…