Fermi telescope orbit or manual 114 *341*

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16 Oct 2017 Fermi Spacecraft and Instruments. The Fermi Gamma-ray Space Telescope (formerly called GLAST) is an international and multi-agency space observatory that studies the cosmos in the photon energy range of 8,000 electronvolts (8 keV) to greater than 300 billion electronvolts (300 GeV). We analyze the 6.5 year all-sky data from the Fermi Large Area Telescope restricted to ?-ray .. the signal-to-noise ratio is lowest, and on the other hand,. 15 Apr 2009 Abstract: The Large Area Telescope (LAT) on--board the Fermi Gamma ray Space Telescope began its on--orbit operations on June 23, 2008. 17 Jul 2018 Fermi, which was called the Gamma-ray Large Area Space Telescope (GLAST) until it reached its operational orbit, launched on June 11, 2008, from Cape Canaveral Air Force Station aboard a Delta II Heavy rocket. It was placed into a circular orbit around Earth with an altitude of about 350 miles (560 kilometers). Fermi Gamma-Ray space telescope GLAST Gamma-Ray detectors . This arrangement results in an exposure of the whole sky unocculted by the earth in orbit. The right hand side of the schematic is a cut away view, whereas the left hand 95 ± 4. 32.06. 161.72 ± 0.22. 32.14. ?0.26. 25.9 ± 0.5. 6. 19. 5. 114 ± 4. 36.6. On behalf of the Fermi Large Area Telescope collaboration. Gamma-ray Survey mode: the LAT observes entire sky every 2 orbits (~3 hours). Each sky point ~ 6 Feb 2009 SPACE TELESCOPE. (Fermi). CICERONE: Detailed Manual for the .. known as a Delta II 'Heavy') into an initial orbit of ~565 km altitude at anOrbit[edit]. Fermi resides in a low-Earth circular orbit at an altitude of 550 km (340 mi), and at an inclination of 28.5 degrees. the first year in orbit, the Fermi LAT has observed a large number of sources . 114 bursts, four were clearly long-duration GRBs and one was possibly with strong, highly collimated relativistic jets on the one hand and Seyfert galaxies with. Fermi LAT: More than six years of insights and new puzzles. R. Rando and S. LAT orbit, a background reduction of a factor ~ 106 is necessary; the LAT event analysis achieves this . On the other hand, while the LAT is designed to reject charged CRs [114] Bottcher M. and Dermer C. D., Astrophys. J., 564 (2002) 86.