Astronomy:GRB 160625B

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GRB 160625B
Right ascension 20h 34m 23.25s[1]
Declination+06° 55 ′ 10.5″[1]
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GRB 160625B was a bright gamma-ray burst (GRB) detected by NASA's Fermi Gamma-ray Space Telescope on 25 June 2016 and, three minutes later, by the Large Area Telescope.[1][2][3] This was followed by a bright prompt optical flash, during which variable linear polarization was measured.[4] This was the first time that these observations were made when the GRB was still bright and active.[5] The source of the GRB was a possible black hole, within the Delphinus constellation,[6] about 9 billion light-years (light travel distance) away (a redshift of z = 1.406).[7] It had a fluence of 5.7×10−4 erg cm−2, and energy of 5 × 1054 erg.[8]

See also

References

  1. ↑ 1.0 1.1 1.2 Dirirsa, F. (26 June 2016). "GCN Circular: GRB 160625B: Fermi-LAT detection of a bright burst (and related)". NASA. https://gcn.gsfc.nasa.gov/other/160625B.gcn3. Retrieved 27 July 2017. 
  2. ↑ Howell, Elizabeth (26 July 2017). "Boom! Powerful Cosmic Explosion May Hint at How Black Holes Form". Space.com. https://www.space.com/37634-dying-star-collapse-gamma-ray-burst.html. Retrieved 27 July 2017. 
  3. ↑ Staff (27 July 2017). "Gamma-ray burst captured in unprecedented detail". Astronomy Now. https://astronomynow.com/2017/07/27/gamma-ray-burst-captured-in-unprecedented-detail. Retrieved 27 July 2017. 
  4. ↑ Troja, E. (27 July 2017). "Significant and variable linear polarization during the prompt optical flash of GRB 160625B". Nature 547 (7664): 425–427. doi:10.1038/nature23289. PMID 28748924. Bibcode: 2017Natur.547..425T. http://researchonline.ljmu.ac.uk/id/eprint/6986/1/Nature_main_wfig.pdf. 
  5. ↑ Mandelbaum, Ryan F. (27 July 2017). "Astronomers Capture Wild Intergalactic Gamma Ray Burst As it Happens". Gizmodo. https://gizmodo.com/astronomers-capture-wild-intergalactic-gamma-ray-burst-1797261225. Retrieved 27 July 2017. 
  6. ↑ Staff. "Finding the constellation which contains given sky coordinates". djm.cc. http://djm.cc/constellation.html. Retrieved 28 July 2017. 
  7. ↑ Greiner, Jochen (12 July 2017). "Gamma-ray Burst 160625B". Max Planck Institute for Extraterrestrial Physics. http://www.mpe.mpg.de/~jcg/grb160625B.html. Retrieved 28 July 2017. 
  8. ↑ Ravasio, M. E.; Oganesyan, G.; Ghirlanda, G.; Nava, L.; Ghisellini, G.; Pescalli, A.; Celotti, A. (May 2018). "Consistency with synchrotron emission in the bright GRB 160625B observed by Fermi". Astronomy & Astrophysics 613: A16. doi:10.1051/0004-6361/201732245. ISSN 0004-6361. https://www.aanda.org/10.1051/0004-6361/201732245. 

External links



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