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Gravitational Waves and Gamma-Rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A
- B. Abbott, R. Abbott, P. Ubertini
- Physics
- 16 October 2017
On 2017 August 17, the gravitational-wave event GW170817 was observed by the Advanced LIGO and Virgo detectors, and the gamma-ray burst (GRB) GRB 170817A was observed independently by the Fermi…
An Ordinary Short Gamma-Ray Burst with Extraordinary Implications: Fermi-GBM Detection of GRB 170817A
- A. Goldstein, P. Veres, M. Stanbro
- Physics
- 16 October 2017
On 2017 August 17 at 12:41:06 UTC the Fermi Gamma-ray Burst Monitor (GBM) detected and triggered on the short gamma-ray burst (GRB) 170817A. Approximately 1.7 s prior to this GRB, the Laser…
Radioactive 26Al from massive stars in the Galaxy
- R. Diehl, H. Halloin, C. Wunderer
- PhysicsNature
- 1 January 2006
TLDR
An exceptionally bright flare from SGR 1806–20 and the origins of short-duration γ-ray bursts
Soft-γ-ray repeaters (SGRs) are galactic X-ray stars that emit numerous short-duration (about 0.1 s) bursts of hard X-rays during sporadic active periods. They are thought to be magnetars: strongly…
A limit on the variation of the speed of light arising from quantum gravity effects
- A. Abdo, M. Ackermann, M. Ziegler
- PhysicsNature
- 19 November 2009
TLDR
SPI: The spectrometer aboard INTEGRAL
- G. Vedrenne, J. Roques, Y. André
- Physics
- 1 November 2003
SPI is a high spectral resolution gamma-ray telescope on board the ESA mission INTEGRAL (International Gamma Ray Astrophysics Laboratory). It consists of an array of 19 closely packed germanium…
THE FIRST FERMI-LAT GAMMA-RAY BURST CATALOG
- M. Ackermann, M. Ajello, Zhirong Yang
- Physics
- 1 November 2013
In three years of observations since the beginning of nominal science operations in 2008 August, the Large Area Telescope (LAT) on board the Fermi Gamma-Ray Space Telescope has observed high-energy…
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C
- J. Greiner, C. Clemens, X. Zhang
- Physics
- 4 February 2009
Context. The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full…
Finger protein of novel structure encoded by hunchback, a second member of the gap class of Drosophila segmentation genes
- D. Tautz, R. Lehmann, H. Jäckle
- BiologyNature
- 4 June 1987
The DNA sequence of hunchback, a Drosophila segmentation gene of the gap class, reveals that like Krüppel, the first gap gene analysed, it encodes a protein with finger motifs typical of a class of…
SPI observations of the diffuse ^60Fe emission in the Galaxy
- W. Wang, M. Harris, C. Wunderer
- Physics
- 30 April 2007
Gamma-ray line emission from radioactive decay of 60Fe provides constraints on nucleosynthesis in massive stars and supernovae. The spectrometer SPI on board INTEGRAL has accumulated nearly three…
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