A possible bright ultraviolet flash from a galaxy at redshift z ≈ 11

@article{Jiang2020APB,
  title={A possible bright ultraviolet flash from a galaxy at redshift z ≈ 11},
  author={Linhua Jiang and Shu I. Wang and Bing Zhang and Nobunari Kashikawa and Luis C. Ho and Zheng Cai and Eiichi Egami and Gregory L. Walth and Yi-Si Yang and Binbin Zhang and Hai-Bin Zhao},
  journal={Nature Astronomy},
  year={2020},
  volume={5},
  pages={262-267},
  url={https://api.semanticscholar.org/CorpusID:229157574}
}
In the optical sky, minutes-duration transients from cosmological distances are rare. Known objects that give rise to such transients include gamma-ray bursts (GRBs), the most luminous explosions in the Universe 1 that have been detected at redshifts as high as z  ≈ 9.4 (refs. 2 – 4 ). These high-redshift GRBs and their associated emission can be used to probe the star formation and reionization history in the era of cosmic dawn. Here, we report a near-infrared transient with an observed… 
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GN-z11-flash was a signal from a man-made satellite not a gamma-ray burst at redshift 11

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The GN-z11-Flash Event can be a Satellite Glint

Recently Jiang et al. reported the discovery of a possible short duration transient, detected in a single image, spatially associated with a z ∼ 11 galaxy. Jiang et al. and Kann et al. suggested the…

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A more probable explanation for a continuum flash towards a redshift ≈ 11 galaxy

1Cosmic Dawn Center (DAWN), Copenhagen, Denmark. 2Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark. 3Department of Astronomy, University of Geneva, Versoix, Switzerland. ✉e-mail:…

A high-rate foreground of sub-second flares from geosynchronous satellites

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L. Jiang et al. reply

In Jiang et al. 1 , we reported the detection of a bright flash (here-after GN-z11-flash) that appeared as a compact continuum emission feature during our Keck MOSFIRE observations 2 of the galaxy…

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