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Articles tagged: X-ray flare

  • Gamma ray burst, supermassive black hole, Swift J1644+57, Tidal Disruption Event (TDE), X-ray flare 20 September 2017 A new way to 'weigh' extragalactic black holes

    ... to occur near the central nucleus of a galaxy and by looking at prominent peaks in the spectral energy distribution of the X-ray flare (which gave an indication to the processes that were occurring) compared with the mass accretion rate of the...

    • Gamma ray burst
    • supermassive black hole
    • Swift J1644+57
    • Tidal Disruption Event (TDE)
    • X-ray flare
  • Atacama Large Millimeter/submillimeter Array (ALMA), Proxima b, Proxima Centauri, stellar flare, X-ray flare 28 February 2018 Habitability of nearest exoplanet in doubt after powerful flare

    .... It is already known that Proxima Centauri experiences regular, although smaller, X-ray flares and indeed this event was also preceded by a smaller flare. Combined together the two flares lasted fewer than two minutes, but at its most energetic...

    • Atacama Large Millimeter/submillimeter Array (ALMA)
    • Proxima b
    • Proxima Centauri
    • stellar flare
    • X-ray flare
  • CME, Coronal mass ejection, solar atmosphere, solar storms August 2019 Lessons from the Sun

    ... monitors saw readings go off the charts and the first ever recorded gamma-ray flare photons were detected. Within a few minutes, in-orbit X-ray sensors saturated and military radio communications blacked out. Lacking today’s sensors...

    • CME
    • Coronal mass ejection
    • solar atmosphere
    • solar storms
    Authors: Delores J Knipp    
  • Carrington Event, CME, Coronal mass ejection, solar superstorm June 2019 Solar superstorms and their effects on Earth

    ... have estimates of 2500-3000 km/s for the speed of the 1859 CME and an estimated X-ray flare size of about X45 (flares are rated by their X-ray intensity on a scale much like the Richter scale for earthquakes, in that it scales in powers...

    • Carrington Event
    • CME
    • Coronal mass ejection
    • solar superstorm
    Authors: Alex Young     James Green    
  • exoplanet, HARPS spectrograph, Pale Red Dot campaign, Proxima b, Proxima Centauri 25 August 2016 Earth-sized planet found around our nearest neighbouring star

    ... in a liquid state. Nonetheless, despite having a pleasant temperature, the planet could be subjected to intense ultraviolet and x-ray flares from its parent star, due to its close proximity. "The discovery of the potentially habitable planet around...

    • exoplanet
    • HARPS spectrograph
    • Pale Red Dot campaign
    • Proxima b
    • Proxima Centauri

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