Gamma-Ray Burst Optical/Near-Infrared Detector
The Gamma-Ray Burst Optical/Near-Infrared Detector (GROND) is an imaging instrument used to investigate Gamma-Ray Burst afterglows and do follow-up observations on transiting exoplanets. It is operated at the MPG 2.2m telescope at the La Silla Observatory.
- On 13 September 2008, Swift detected gamma-ray burst 080913. GROND and VLT subsequently placed the GRB at 12.8 Gly distant, making it the most-distant GRB observed, as well as the second-most-distant object to be spectroscopically confirmed.
- On 15 September 2008, NASA's Fermi Gamma-ray Space Telescope detected gamma-ray burst 080916C. On 19 February 2009, NASA announced that the GROND team's work shows that the GRB was the most energetic yet observed, and 12.2 Gly distant.
- Red shift observations in astronomy
- Photometry (astronomy)
- Max Planck Institute for Extraterrestrial Physics
- "GROND Takes Off" (Press release). European Organisation for Astronomical Research in the Southern Hemisphere (ESO). 2007-07-06. Retrieved 2009-02-23.
- "NASA's Swift Catches Farthest Ever Gamma-Ray Burst" (Press release). NASA. 2008-09-19. Retrieved 2009-02-23.
- Greiner, Jochen et al. (2008-10-13). "GRB 080913 at redshift 6.7". arXiv:0810.2314.
- "NASA's Fermi Telescope Sees Most Extreme Gamma-ray Blast Yet" (Press release). NASA. 2009-02-19. Retrieved 2009-02-23.
- Greiner, Jochen et al. (2009-02-04). "The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C". arXiv:0902.0761.
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