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Articles tagged: Quasar

  • Gaia mission, Gemini North Multi-Object Spectrograph (GMOS), Gemini Observatory, Hubble Space Telescope, Quasar 07 April 2021 Astronomers find a rare pair of double quasars in the early Universe

    ... on the discovery team. “This method unambiguously rejected interlopers due to chance superpositions such as from unassociated star-quasar systems.” While the team believe that this very uncommon discovery is robust, there is a small possibility that...

    • Gaia mission
    • Gemini North Multi-Object Spectrograph (GMOS)
    • Gemini Observatory
    • Hubble Space Telescope
    • Quasar
  • early phase galaxy cluster merger, Hyper Suprime-Cam (HSC), Protocluster, Quasar, Subaru Telescope 14 March 2018 Researchers rethink quasar connection after new find

    ...Indeed to date only around 20 were previously known about. Quasars on the other hand consist of a supermassive black hole ... apparently symbiotic relationship was a boon for researchers as quasars swiftly became the default object in which to help ...

    • early phase galaxy cluster merger
    • Hyper Suprime-Cam (HSC)
    • Protocluster
    • Quasar
    • Subaru Telescope
  • big bang, Early Universe, Quasar, supermassive black hole 12 September 2016 New study doubles the number of known quasars

    ... as gravity condensed matter further, the first sources of illumination were eventually formed, which might have included quasars. However gaps in our knowledge of this early era still remain and thanks to discoveries such as this, a greater...

    • big bang
    • Early Universe
    • Quasar
    • supermassive black hole
  • big bang, direct-collapse black holes, Quasar, star formation rate, supermassive black hole, supermassive quasar 22 March 2017 Massive quasars can be powered by direct collapse black holes say scientists

    ... holes, which need DCBHs, which need massive stars to form, but massive stars destroy the chance of quasars evolving by starving it of material. Now, a new computer simulation created by scientists at the Theoretical Design Division at Los Alamos...

    • big bang
    • direct-collapse black holes
    • Quasar
    • star formation rate
    • supermassive black hole
    • supermassive quasar
  • baryon acoustic oscillations (BAO), Baryon Oscillation Spectroscopic Survey (eBOSS), Quasar, Sloan Digital Sky Survey (SDSS), supermassive black hole 22 May 2017 Researchers create largest-ever 3D map of the Universe

    ... a ‘standard ruler’ for length scale in cosmology. For this, quasars powered by supermassive black holes at the centres of galaxies were used... the positions and redshifts of more than 147,000 quasars, distributed over 2044 square degrees of the sky, ...

    • baryon acoustic oscillations (BAO)
    • Baryon Oscillation Spectroscopic Survey (eBOSS)
    • Quasar
    • Sloan Digital Sky Survey (SDSS)
    • supermassive black hole
  • ESA’s XMM-Newton, Expanding Universe, Lambda-CDM, Quasar, Sloan Digital Sky Survey (SDSS) 30 January 2019 New physics needed to explain early expansion of the Universe

    ... easier to spot in the Universe’s infant days. “Using quasars as standard candles has great potential, since we can observe...arose. “In the earlier phases that we can only probe with quasars, we find a discrepancy between the observed evolution of the ...

    • ESA’s XMM-Newton
    • Expanding Universe
    • Lambda-CDM
    • Quasar
    • Sloan Digital Sky Survey (SDSS)
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