Xiaohui Fan

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Xiaohui Fan
Alma materPrinceton University
Scientific career
InstitutionsUniversity of Arizona
Composite image of the farthest quasar discovered so far by Xiaohui Fan (2020)

Xiaohui Fan (born 9 December 1971 in Beijing, China) is an American astronomer, and full professor at University of Arizona.[1][2] He is widely known for his studies on quasars, extremely bright supermassive black holes, detected primarily at high redshift. In 2003, Fan was named to Popular Science magazine's annual Brilliant Ten list for developing methods to investigate distant quasars.[3] Since 2001, he was a pioneer in the detection and discovery of high-redshift quasars, introducing new techniques and practically inventing the field.[4] Using these quasars, he has shown that supermassive black holes with masses up to 10 million solar masses existed within one billion years after the big bang.[5] In 2019, he led an international team of astronomers that discovered the farthest lensed quasar thus far, the very first in the epoch of reionization.[6]


He graduated from Nanjing University with a B.Sc. (1992) and from the Chinese Academy of Sciences with a M.Sc. (1995). He received his Ph.D. from Princeton University in 2000.[7]



  1. ^ http://www.as.arizona.edu/people/faculty/fan.html
  2. ^ http://uanews.org/node/19447
  3. ^ Mone, Gregory (August 4, 2003). "Popsci's 2nd Annual Brilliant 10". Popular Science. Retrieved February 22, 2015.
  4. ^ Fan, Xiaohui; Narayanan, Vijay K.; Lupton, Robert H.; Strauss, Michael A.; Knapp, Gillian R.; Becker, Robert H.; White, Richard L.; Pentericci, Laura; Leggett, S. K.; Haiman, Zoltán; Gunn, James E. (2001-12-01). "A Survey of z>5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z~6". The Astronomical Journal. 122: 2833–2849. doi:10.1086/324111.
  5. ^ Yang, Jinyi; Wang, Feige; Fan, Xiaohui; Hennawi, Joseph F.; Davies, Frederick B.; Yue, Minghao; Banados, Eduardo; Wu, Xue-Bing; Venemans, Bram; Barth, Aaron J.; Bian, Fuyan (2020-07-01). "Poniua'ena: A Luminous z = 7.5 Quasar Hosting a 1.5 Billion Solar Mass Black Hole". The Astrophysical Journal Letters. 897: L14. doi:10.3847/2041-8213/ab9c26.
  6. ^ Fan, Xiaohui; Wang, Feige; Yang, Jinyi; Keeton, Charles R.; Yue, Minghao; Zabludoff, Ann; Bian, Fuyan; Bonaglia, Marco; Georgiev, Iskren Y.; Hennawi, Joseph F.; Li, Jiangtao (2019-01-01). "The Discovery of a Gravitationally Lensed Quasar at z = 6.51". The Astrophysical Journal Letters. 870: L11. doi:10.3847/2041-8213/aaeffe.
  7. ^ "Xiaohui's CV (pdf here)". sancerre.as.arizona.edu. Retrieved 2020-10-18.
  8. ^ "Archived copy". Archived from the original on June 22, 2011. Retrieved June 15, 2010.CS1 maint: archived copy as title (link)

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