757 citations · 845 across the 2 of their papers we have counts for
2 papers
astro-ph.GA2015★ 757 cited
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…
astro-ph.SR2015★ 88 cited
The Closest Known Flyby of a Star to the Solar System
Eric E. Mamajek, Scott A. Barenfeld, Valentin D. Ivanov +4
Passing stars can perturb the Oort Cloud, triggering comet showers and potentially extinction events on Earth. We combine velocity measurements for the recently discovered, nearby,…