An international team of astronomers reports the detection of a new luminous quasi-stellar object, or quasar. The newly found object, designated SMSS J114447.77-430859.3 (or J1144 for short) turns out to be the most luminous quasar known over the last 9 billion years of cosmic history. The discovery was presented in a paper published June 9 on the arXiv pre-print repository.
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Source: Phys.org