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GRB 160625B

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GRB 160625B
Typical Gamma-Ray Burst (illustration)
Event typeGamma-ray burst Edit this on Wikidata
Right ascension20h 34m 23.25s[1]
Declination+06° 55 ′ 10.5″[1]
Other designationsGRB 160625B
[edit on Wikidata]

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. ^ a b c Dirirsa, F.; et al. (26 June 2016). "GCN Circular: GRB 160625B: Fermi-LAT detection of a bright burst (and related)". NASA. Retrieved 27 July 2017.
  2. ^ Howell, Elizabeth (26 July 2017). "Boom! Powerful Cosmic Explosion May Hint at How Black Holes Form". Space.com. Retrieved 27 July 2017.
  3. ^ Staff (27 July 2017). "Gamma-ray burst captured in unprecedented detail". Astronomy Now. Retrieved 27 July 2017.
  4. ^ Troja, E.; et al. (27 July 2017). "Significant and variable linear polarization during the prompt optical flash of GRB 160625B" (PDF). Nature. 547 (7664): 425–427. Bibcode:2017Natur.547..425T. doi:10.1038/nature23289. PMID 28748924. S2CID 205258571.
  5. ^ Mandelbaum, Ryan F. (27 July 2017). "Astronomers Capture Wild Intergalactic Gamma Ray Burst As it Happens". Gizmodo. Retrieved 27 July 2017.
  6. ^ Staff. "Finding the constellation which contains given sky coordinates". djm.cc. Retrieved 28 July 2017.
  7. ^ Greiner, Jochen (12 July 2017). "Gamma-ray Burst 160625B". Max Planck Institute for Extraterrestrial Physics. 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.
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