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| Event type | Gamma-ray burst  |
|---|---|
| Constellation | Orion |
| Redshift | 1.02 |
| Other designations | GRB 991216 |
&sq=Qlik&lang=&file=File:Commons-logo.svg){kind=logo} Related media on Commons | |
GRB 991216, nicknamed the Beethoven Burst by Dr. Brad Schaefer of Yale University, was a gamma-ray burst observed on December 16, 1999,[1] coinciding with the 229th anniversary of Ludwig van Beethoven's birth.[2] A gamma-ray burst is a highly luminous flash associated with an explosion in a distant galaxy and producing gamma rays, the most energetic form of electromagnetic radiation, and often followed by a longer-lived "afterglow" emitted at longer wavelengths (X-ray, ultraviolet, optical, infrared, and radio).
- ^ "Gamma-ray astronomers get a special star on their Christmas tree". Science.nasa.gov. 1996-09-24. Archived from the original on 2009-08-26. Retrieved 2010-03-19.
- ^ "Gamma-ray Burst 991216". Mpe.mpg.de. Retrieved 2010-03-19.