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Elliptical accretion disk as a model for tidal disruption events: A Jerusalem bagel from Beijing

Tue, 2020-12-15  When a star passing closely enough by a supermassive black hole is disrupted by tidal forces, the stellar debris falls onto the black hole triggering a tidal disruption event (TDE). It is commonly assumed that the accretion disk that forms circularizes effici

KIAA Postdocs win PKU Outstanding Postdoc Award, Boya Fellowship

Fri, 2020-11-27  KIAA postdoc Hassen Yesuf won a PKU Outstanding Postdoc Award while postdoc Rui Xu won a second 2-year PKU Boya Fellowship.  

PKU PhD graduate Siyao Xu becomes first astronomer to win two Hubble Fellowships

Thu, 2020-11-26  Dr.Xu received her PhD from the Department of Astronomy at Peking University in 2017. She was awarded her first Hubble Fellowship to work at University of Wisconsin-Madison with Prof. Alex Lazarian.

Opening Ceremony for the Chinese Space Station Telescope Peking University Science Center

Tue, 2020-11-24  On November 21, 2020, the opening ceremony of Chinese Space Station Telescope Peking University Science Center (CSST PKU Center) was held at the Yingjie Exchange Center of Peking University.  

New features of fast radio bursts revealed by FAST radio telescope

Fri, 2020-11-06  On October 29th and November 4th, 2020, the research journal “Nature” published two articles on FRBs using FAST: 1) “Diverse polarization angle swings from a repeating fast radio burst source” and 2) “No pulsed radio emission during a bursting phase of a

LAMOST reveals the secret of lithium-rich stars

Wed, 2020-10-28  A recent study revealed the actual evolutionary stage of lithium-rich stars by the Chinese astronomers is published in the Nature Astronomy on Oct.5. Yutao Zhou, the LAMOST Fellow from the department of astronomy at PKU, is involved in this study as the co-fir

Subo Dong at KIAA Awarded the 2020 "XPLORER PRIZE"

Fri, 2020-09-25  On September 25, the winners of the 2020 "XPLORER PRIZE" are announced. Subo Dong, an Associate Professor at KIAA is listed among the 50 awardees this year.

Galactic Census Reveals Origin of Most "Extreme" Galaxies

Thu, 2020-09-24  Astronomers have found that the key to understanding galaxies with "extreme" sizes, either small or large, may lie in their surroundings. In two related studies, an international team found that galaxies that are either "ultra-compact" or "ultra-diffuse" relat

Runaway Star Might Explain Black Hole's Disappearing Act

Thu, 2020-08-06  "This new study is a great example of how flexibility in observation scheduling allows NASA and ESA missions to study objects that evolve relatively quickly and look for longer-term changes in their average behavior," said Michael Loewenstein, a coauthor of th

Quasar Monster Black Hole Found in the Early Universe

Sat, 2020-06-27  Astronomers have discovered the second most distant quasar ever found, using the international Gemini Observatory and Cerro Tololo Inter-American Observatory (CTIO), Programs of NSF’s NOIRLab. It is also the first quasar to receive an indigenous Hawaiian name