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Tag: active galactic nucleis

New luminous quasar detected by astronomers

A new luminous quasi-stellar object, or quasar, has been discovered by an international team of astronomers. SMSS J114447.77-430859.3 (or J1144 for short) turns out to be the most luminous quasar discovered in the last 9 billion years of cosmic history. The discovery was announced...

Prevalent non-negligible radiation pressure force exists on broad-line regions of active galactic nucleis

Yunnan observatories of Chinese Academy of Sciences scientists investigated the virial factor in estimating the virial masses of supermassive black holes in active galactic nucleis (AGNs) through the redward shifted broad emission lines Hβ and Fe II. The study was published in The Astrophysical Journal....