Authors
Markus Ackermann, Marco Ajello, Andrea Albert, A Allafort, WB Atwood, Magnus Axelsson, Luca Baldini, Jean Ballet, Guido Barbiellini, Denis Bastieri, K Bechtol, R Bellazzini, Elisabetta Bissaldi, RD Blandford, ED Bloom, JR Bogart, Emanuele Bonamente, AW Borgland, E Bottacini, A Bouvier, TJ Brandt, J Bregeon, M Brigida, Pascal Bruel, R Buehler, TH Burnett, Sara Buson, GA Caliandro, RA Cameron, PA Caraveo, JM Casandjian, E Cavazzuti, Claudia Cecchi, Ö Çelik, E Charles, RCG Chaves, A Chekhtman, CC Cheung, J Chiang, S Ciprini, R Claus, J Cohen-Tanugi, Jan Conrad, R Corbet, S Cutini, Filippo D’Ammando, DS Davis, A De Angelis, M DeKlotz, F De Palma, CD Dermer, SW Digel, E do Couto e Silva, PS Drell, A Drlica-Wagner, R Dubois, C Favuzzi, SJ Fegan, EC Ferrara, WB Focke, P Fortin, Y Fukazawa, S Funk, Piergiorgio Fusco, F Gargano, D Gasparrini, N Gehrels, B Giebels, N Giglietto, Francesco Giordano, M Giroletti, T Glanzman, G Godfrey, IA Grenier, JE Grove, S Guiriec, D Hadasch, M Hayashida, E Hays, D Horan, X Hou, RE Hughes, Miranda S Jackson, T Jogler, G Johannesson, RP Johnson, TJ Johnson, WN Johnson, T Kamae, H Katagiri, J Kataoka, M Kerr, Jürgen Knödlseder, M Kuss, J Lande, Stefan Larsson, L Latronico, C Lavalley, M Lemoine-Goumard, F Longo, Francesco Loparco, B Lott, MN Lovellette, P Lubrano, MN Mazziotta, W McConville, JE McEnery, J Mehault, PF Michelson, W Mitthumsiri, T Mizuno, AA Moiseev, C Monte, ME Monzani, A Morselli, IV Moskalenko, S Murgia, M Naumann-Godo, R Nemmen, S Nishino, JP Norris, E Nuss, M Ohno, T Ohsugi, A Okumura, N Omodei, M Orienti, E Orlando, JF Ormes, D Paneque, JH Panetta, JS Perkins, M Pesce-Rollins, M Pierbattista, F Piron, Giovanna Pivato, TA Porter, JL Racusin, Silvia Raino, Riccardo Rando, Massimiliano Razzano, S Razzaque, A Reimer, O Reimer, T Reposeur, LC Reyes, S Ritz, LS Rochester, C Romoli, M Roth
Publication date
2012/10/12
Journal
The Astrophysical Journal Supplement Series
Volume
203
Issue
1
Pages
4
Publisher
IOP Publishing
Description
The Fermi Large Area Telescope (Fermi-LAT, hereafter LAT), the primary instrument on the Fermi Gamma-ray Space Telescope (Fermi) mission, is an imaging, wide field-of-view, high-energy γ-ray telescope, covering the energy range from 20 MeV to more than 300 GeV. During the first years of the mission, the LAT team has gained considerable insight into the in-flight performance of the instrument. Accordingly, we have updated the analysis used to reduce LAT data for public release as well as the instrument response functions (IRFs), the description of the instrument performance provided for data analysis. In this paper, we describe the effects that motivated these updates. Furthermore, we discuss how we originally derived IRFs from Monte Carlo simulations and later corrected those IRFs for discrepancies observed between flight and simulated data. We also give details of the validations performed using flight …
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M Ackermann, M Ajello, A Albert, A Allafort, WB Atwood… - The Astrophysical Journal Supplement Series, 2012