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The large area telescope on the fermi gamma-ray space telescope mission

The 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 (FoV), high-energy -ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an inter... Full description

Journal Title: The Astrophysical Journal 2009, Vol.697(2), pp.1071-1102
Main Author: Atwood, W. B.
Other Authors: Abdo, A. A. , Ackermann, M. , Althouse, W. , Anderson, B. , Axelsson, M. , Baldini, L. , Ballet, J. , Band, D. L. , Barbiellini, G. , Bartelt, J. , Bastieri, D. , Baughman, B. M. , Bechtol, K. , Bédérède, D. , Bellardi, F. , Bellazzini, R. , Berenji, B. , Bignami, G. F. , Bisello, D. , Bissaldi, E. , Blandford, R. D. , Bloom, E. D. , Bogart, J. R. , Bonamente, E. , Bonnell, J. , Borgland, A. W. , Bouvier, A. , Bregeon, J. , Brez, A. , Brigida, M. , Bruel, P. , Burnett, T. H. , Busetto, G. , Caliandro, G. A. , Cameron, R. A. , Caraveo, P. A. , Carius, S. , Carlson, P. , Casandjian, J. M. , Cavazzuti, E. , Ceccanti, M. , Cecchi, C. , Charles, E. , Chekhtman, A. , Cheung, C. C. , Chiang, J. , Chipaux, R. , Cillis, A. N. , Ciprini, S. , Claus, R. , Cohen-Tanugi, J. , Condamoor, S. , Conrad, J. , Corbet, R. , Corucci, L. , Costamante, L. , Cutini, S. , Davis, D. S. , Decotigny, D. , Deklotz, M. , Dermer, C. D. , De Angelis, A. , Digel, S. W. , Do Couto E Silva, E. , Drell, P. S. , Dubois, R. , Dumora, D. , Edmonds, Y. , Fabiani, D. , Farnier, C. , Favuzzi, C. , Flath, D. L. , Fleury, P. , Focke, W. B. , Funk, S. , Fusco, P. , Gargano, F. , Gasparrini, D. , Gehrels, N. , Gentit, F.-X. , Germani, S. , Giebels, B. , Giglietto, N. , Giommi, P. , Giordano, F. , Glanzman, T. , Godfrey, G. , Grenier, I. A. , Grondin, M.-H. , Grove, J. E. , Guillemot, L. , Guiriec, S. , Haller, G. , Harding, A. K. , Hart, P. A. , Hays, E. , Healey, S. E. , Hirayama, M. , Hjalmarsdotter, L. , Horn, R. , Hughes, R. E. , Jóhannesson, G. , Johansson, G. , Johnson, A. S. , Johnson, R. P. , Johnson, T. J. , Johnson, W. N. , Kamae, T. , Katagiri, H. , Kataoka, J. , Kavelaars, A. , Kawai, N. , Kelly, H. , Kerr, M. , Klamra, W. , Knödlseder, J. , Kocian, M. L. , Komin, N. , Kuehn, F. , Kuss, M. , Landriu, D. , Latronico, L. , Lee, B. , Lee, S.-H. , Lemoine-Goumard, M. , Lionetto, A. M. , Longo, F. , Loparco, F. , Lott, B. , Lovellette, M. N. , Lubrano, P. , Madejski, G. M. , Makeev, A. , Marangelli, B. , Massai, M. M. , Mazziotta, M. N. , Mcenery, J. E. , Menon, N. , Meurer, C. , Michelson, P. F. , Minuti, M. , Mirizzi, N. , Mitthumsiri, W. , Mizuno, T. , Moiseev, A. A. , Monte, C. , Monzani, M. E. , Moretti, E. , Morselli, A. , Moskalenko, I. V. , Murgia, S. , Nakamori, T. , Nishino, S. , Nolan, P. L. , Norris, J. P. , Nuss, E. , Ohno, M. , Ohsugi, T. , Omodei, N. , Orlando, E. , Ormes, J. F. , Paccagnella, A. , Paneque, D. , Panetta, J. H. , Parent, D. , Pearce, M. , Pepe, M. , Perazzo, A. , Pesce-Rollins, M. , Picozza, P. , Pieri, L. , Pinchera, M. , Piron, F. , Porter, T. A. , Poupard, L. , Rainò, S. , Rando, R. , Rapposelli, E. , Razzano, M. , Reimer, A. , Reimer, O. , Reposeur, T. , Reyes, L. C. , Ritz, S. , Rochester, L. S. , Rodriguez, A. Y. , Romani, R. W. , Roth, M. , Russell, J. J. , Ryde, F. , Sabatini, S. , Sadrozinski, H. F.-W. , Sanchez, D. , Sander, A. , Sapozhnikov, L. , Parkinson, P. M. Saz , Scargle, J. D. , Schalk, T. L. , Scolieri, G. , Sgrò, C. , Share, G. H. , Shaw, M. , Shimokawabe, T. , Shrader, C. , Sierpowska-Bartosik, A. , Siskind, E. J. , Smith, D. A. , Smith, P. D. , Spandre, G. , Spinelli, P. , Starck, J.-L. , Stephens, T. E. , Strickman, M. S. , Strong, A. W. , Suson, D. J. , Tajima, H. , Takahashi, H. , Takahashi, T. , Tanaka, T. , Tenze, A. , Tether, S. , Thayer, J. B. , Thayer, J. G. , Thompson, D. J. , Tibaldo, L. , Tibolla, O. , Torres, D. F. , Tosti, G. , Tramacere, A. , Turri, M. , Usher, T. L. , Vilchez, N. , Vitale, V. , Wang, P. , Watters, K. , Winer, B. L. , Wood, K. S. , Ylinen, T. , Ziegler, M.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0004-637X ; E-ISSN: 1538-4357 ; DOI: 10.1088/0004-637X/697/2/1071
Link: http://dx.doi.org/10.1088/0004-637X/697/2/1071
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recordid: iop10.1088/0004-637X/697/2/1071
title: The large area telescope on the fermi gamma-ray space telescope mission
format: Article
creator:
  • Atwood, W. B.
  • Abdo, A. A.
  • Ackermann, M.
  • Althouse, W.
  • Anderson, B.
  • Axelsson, M.
  • Baldini, L.
  • Ballet, J.
  • Band, D. L.
  • Barbiellini, G.
  • Bartelt, J.
  • Bastieri, D.
  • Baughman, B. M.
  • Bechtol, K.
  • Bédérède, D.
  • Bellardi, F.
  • Bellazzini, R.
  • Berenji, B.
  • Bignami, G. F.
  • Bisello, D.
  • Bissaldi, E.
  • Blandford, R. D.
  • Bloom, E. D.
  • Bogart, J. R.
  • Bonamente, E.
  • Bonnell, J.
  • Borgland, A. W.
  • Bouvier, A.
  • Bregeon, J.
  • Brez, A.
  • Brigida, M.
  • Bruel, P.
  • Burnett, T. H.
  • Busetto, G.
  • Caliandro, G. A.
  • Cameron, R. A.
  • Caraveo, P. A.
  • Carius, S.
  • Carlson, P.
  • Casandjian, J. M.
  • Cavazzuti, E.
  • Ceccanti, M.
  • Cecchi, C.
  • Charles, E.
  • Chekhtman, A.
  • Cheung, C. C.
  • Chiang, J.
  • Chipaux, R.
  • Cillis, A. N.
  • Ciprini, S.
  • Claus, R.
  • Cohen-Tanugi, J.
  • Condamoor, S.
  • Conrad, J.
  • Corbet, R.
  • Corucci, L.
  • Costamante, L.
  • Cutini, S.
  • Davis, D. S.
  • Decotigny, D.
  • Deklotz, M.
  • Dermer, C. D.
  • De Angelis, A.
  • Digel, S. W.
  • Do Couto E Silva, E.
  • Drell, P. S.
  • Dubois, R.
  • Dumora, D.
  • Edmonds, Y.
  • Fabiani, D.
  • Farnier, C.
  • Favuzzi, C.
  • Flath, D. L.
  • Fleury, P.
  • Focke, W. B.
  • Funk, S.
  • Fusco, P.
  • Gargano, F.
  • Gasparrini, D.
  • Gehrels, N.
  • Gentit, F.-X.
  • Germani, S.
  • Giebels, B.
  • Giglietto, N.
  • Giommi, P.
  • Giordano, F.
  • Glanzman, T.
  • Godfrey, G.
  • Grenier, I. A.
  • Grondin, M.-H.
  • Grove, J. E.
  • Guillemot, L.
  • Guiriec, S.
  • Haller, G.
  • Harding, A. K.
  • Hart, P. A.
  • Hays, E.
  • Healey, S. E.
  • Hirayama, M.
  • Hjalmarsdotter, L.
  • Horn, R.
  • Hughes, R. E.
  • Jóhannesson, G.
  • Johansson, G.
  • Johnson, A. S.
  • Johnson, R. P.
  • Johnson, T. J.
  • Johnson, W. N.
  • Kamae, T.
  • Katagiri, H.
  • Kataoka, J.
  • Kavelaars, A.
  • Kawai, N.
  • Kelly, H.
  • Kerr, M.
  • Klamra, W.
  • Knödlseder, J.
  • Kocian, M. L.
  • Komin, N.
  • Kuehn, F.
  • Kuss, M.
  • Landriu, D.
  • Latronico, L.
  • Lee, B.
  • Lee, S.-H.
  • Lemoine-Goumard, M.
  • Lionetto, A. M.
  • Longo, F.
  • Loparco, F.
  • Lott, B.
  • Lovellette, M. N.
  • Lubrano, P.
  • Madejski, G. M.
  • Makeev, A.
  • Marangelli, B.
  • Massai, M. M.
  • Mazziotta, M. N.
  • Mcenery, J. E.
  • Menon, N.
  • Meurer, C.
  • Michelson, P. F.
  • Minuti, M.
  • Mirizzi, N.
  • Mitthumsiri, W.
  • Mizuno, T.
  • Moiseev, A. A.
  • Monte, C.
  • Monzani, M. E.
  • Moretti, E.
  • Morselli, A.
  • Moskalenko, I. V.
  • Murgia, S.
  • Nakamori, T.
  • Nishino, S.
  • Nolan, P. L.
  • Norris, J. P.
  • Nuss, E.
  • Ohno, M.
  • Ohsugi, T.
  • Omodei, N.
  • Orlando, E.
  • Ormes, J. F.
  • Paccagnella, A.
  • Paneque, D.
  • Panetta, J. H.
  • Parent, D.
  • Pearce, M.
  • Pepe, M.
  • Perazzo, A.
  • Pesce-Rollins, M.
  • Picozza, P.
  • Pieri, L.
  • Pinchera, M.
  • Piron, F.
  • Porter, T. A.
  • Poupard, L.
  • Rainò, S.
  • Rando, R.
  • Rapposelli, E.
  • Razzano, M.
  • Reimer, A.
  • Reimer, O.
  • Reposeur, T.
  • Reyes, L. C.
  • Ritz, S.
  • Rochester, L. S.
  • Rodriguez, A. Y.
  • Romani, R. W.
  • Roth, M.
  • Russell, J. J.
  • Ryde, F.
  • Sabatini, S.
  • Sadrozinski, H. F.-W.
  • Sanchez, D.
  • Sander, A.
  • Sapozhnikov, L.
  • Parkinson, P. M. Saz
  • Scargle, J. D.
  • Schalk, T. L.
  • Scolieri, G.
  • Sgrò, C.
  • Share, G. H.
  • Shaw, M.
  • Shimokawabe, T.
  • Shrader, C.
  • Sierpowska-Bartosik, A.
  • Siskind, E. J.
  • Smith, D. A.
  • Smith, P. D.
  • Spandre, G.
  • Spinelli, P.
  • Starck, J.-L.
  • Stephens, T. E.
  • Strickman, M. S.
  • Strong, A. W.
  • Suson, D. J.
  • Tajima, H.
  • Takahashi, H.
  • Takahashi, T.
  • Tanaka, T.
  • Tenze, A.
  • Tether, S.
  • Thayer, J. B.
  • Thayer, J. G.
  • Thompson, D. J.
  • Tibaldo, L.
  • Tibolla, O.
  • Torres, D. F.
  • Tosti, G.
  • Tramacere, A.
  • Turri, M.
  • Usher, T. L.
  • Vilchez, N.
  • Vitale, V.
  • Wang, P.
  • Watters, K.
  • Winer, B. L.
  • Wood, K. S.
  • Ylinen, T.
  • Ziegler, M.
subjects:
  • Energy Range
  • Calorimeters
  • Nonluminous Matter
  • Galaxies
  • Astrophysics,Other
  • 71 Classical And Quantum Mechanics, General Physics
  • Configuration
  • Tungsten
  • Telescopes
  • Radiation Length
  • Anticoincidence
  • Physics
  • Data Acquisition Systems
  • Aspect Ratio
  • Silicon
  • Transients
  • Spectra
  • Monitoring
  • Gamma Radiation Astrophysics,Other
  • Point Sources
  • Internal Pair Production
  • 72 Physics Of Elementary Particles And Fields
  • Performance
ispartof: The Astrophysical Journal, 2009, Vol.697(2), pp.1071-1102
description: The 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 (FoV), high-energy -ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 × 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 ( x , y ) tracking planes, including two layers ( x and y ) of single-sided silicon strip detectors and high- Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy -ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectra from 20 MeV to more than 50 GeV for several hundred sources, (4) localize point sources to 0.3-2 arcmin, (5) map and obtain spectra of extended sources such as SNRs, molecular clouds, and nearby galaxies, (6) measure the diffuse isotropic -ray background up to TeV energies, and (7) explore the discovery space for dark matter.
language: eng
source:
identifier: ISSN: 0004-637X ; E-ISSN: 1538-4357 ; DOI: 10.1088/0004-637X/697/2/1071
fulltext: fulltext
issn:
  • 0004-637X
  • 1538-4357
  • 0004637X
  • 15384357
url: Link


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titleThe large area telescope on the fermi gamma-ray space telescope mission
creatorAtwood, W. B. ; Abdo, A. A. ; Ackermann, M. ; Althouse, W. ; Anderson, B. ; Axelsson, M. ; Baldini, L. ; Ballet, J. ; Band, D. L. ; Barbiellini, G. ; Bartelt, J. ; Bastieri, D. ; Baughman, B. M. ; Bechtol, K. ; Bédérède, D. ; Bellardi, F. ; Bellazzini, R. ; Berenji, B. ; Bignami, G. F. ; Bisello, D. ; Bissaldi, E. ; Blandford, R. D. ; Bloom, E. D. ; Bogart, J. R. ; Bonamente, E. ; Bonnell, J. ; Borgland, A. W. ; Bouvier, A. ; Bregeon, J. ; Brez, A. ; Brigida, M. ; Bruel, P. ; Burnett, T. H. ; Busetto, G. ; Caliandro, G. A. ; Cameron, R. A. ; Caraveo, P. A. ; Carius, S. ; Carlson, P. ; Casandjian, J. M. ; Cavazzuti, E. ; Ceccanti, M. ; Cecchi, C. ; Charles, E. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Chipaux, R. ; Cillis, A. N. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Condamoor, S. ; Conrad, J. ; Corbet, R. ; Corucci, L. ; Costamante, L. ; Cutini, S. ; Davis, D. S. ; Decotigny, D. ; Deklotz, M. ; Dermer, C. D. ; De Angelis, A. ; Digel, S. W. ; Do Couto E Silva, E. ; Drell, P. S. ; Dubois, R. ; Dumora, D. ; Edmonds, Y. ; Fabiani, D. ; Farnier, C. ; Favuzzi, C. ; Flath, D. L. ; Fleury, P. ; Focke, W. B. ; Funk, S. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Gehrels, N. ; Gentit, F.-X. ; Germani, S. ; Giebels, B. ; Giglietto, N. ; Giommi, P. ; Giordano, F. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grondin, M.-H. ; Grove, J. E. ; Guillemot, L. ; Guiriec, S. ; Haller, G. ; Harding, A. K. ; Hart, P. A. ; Hays, E. ; Healey, S. E. ; Hirayama, M. ; Hjalmarsdotter, L. ; Horn, R. ; Hughes, R. E. ; Jóhannesson, G. ; Johansson, G. ; Johnson, A. S. ; Johnson, R. P. ; Johnson, T. J. ; Johnson, W. N. ; Kamae, T. ; Katagiri, H. ; Kataoka, J. ; Kavelaars, A. ; Kawai, N. ; Kelly, H. ; Kerr, M. ; Klamra, W. ; Knödlseder, J. ; Kocian, M. L. ; Komin, N. ; Kuehn, F. ; Kuss, M. ; Landriu, D. ; Latronico, L. ; Lee, B. ; Lee, S.-H. ; Lemoine-Goumard, M. ; Lionetto, A. M. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Madejski, G. M. ; Makeev, A. ; Marangelli, B. ; Massai, M. M. ; Mazziotta, M. N. ; Mcenery, J. E. ; Menon, N. ; Meurer, C. ; Michelson, P. F. ; Minuti, M. ; Mirizzi, N. ; Mitthumsiri, W. ; Mizuno, T. ; Moiseev, A. A. ; Monte, C. ; Monzani, M. E. ; Moretti, E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nakamori, T. ; Nishino, S. ; Nolan, P. L. ; Norris, J. P. ; Nuss, E. ; Ohno, M. ; Ohsugi, T. ; Omodei, N. ; Orlando, E. ; Ormes, J. F. ; Paccagnella, A. ; Paneque, D. ; Panetta, J. H. ; Parent, D. ; Pearce, M. ; Pepe, M. ; Perazzo, A. ; Pesce-Rollins, M. ; Picozza, P. ; Pieri, L. ; Pinchera, M. ; Piron, F. ; Porter, T. A. ; Poupard, L. ; Rainò, S. ; Rando, R. ; Rapposelli, E. ; Razzano, M. ; Reimer, A. ; Reimer, O. ; Reposeur, T. ; Reyes, L. C. ; Ritz, S. ; Rochester, L. S. ; Rodriguez, A. Y. ; Romani, R. W. ; Roth, M. ; Russell, J. J. ; Ryde, F. ; Sabatini, S. ; Sadrozinski, H. F.-W. ; Sanchez, D. ; Sander, A. ; Sapozhnikov, L. ; Parkinson, P. M. Saz ; Scargle, J. D. ; Schalk, T. L. ; Scolieri, G. ; Sgrò, C. ; Share, G. H. ; Shaw, M. ; Shimokawabe, T. ; Shrader, C. ; Sierpowska-Bartosik, A. ; Siskind, E. J. ; Smith, D. A. ; Smith, P. D. ; Spandre, G. ; Spinelli, P. ; Starck, J.-L. ; Stephens, T. E. ; Strickman, M. S. ; Strong, A. W. ; Suson, D. J. ; Tajima, H. ; Takahashi, H. ; Takahashi, T. ; Tanaka, T. ; Tenze, A. ; Tether, S. ; Thayer, J. B. ; Thayer, J. G. ; Thompson, D. J. ; Tibaldo, L. ; Tibolla, O. ; Torres, D. F. ; Tosti, G. ; Tramacere, A. ; Turri, M. ; Usher, T. L. ; Vilchez, N. ; Vitale, V. ; Wang, P. ; Watters, K. ; Winer, B. L. ; Wood, K. S. ; Ylinen, T. ; Ziegler, M.
ispartofThe Astrophysical Journal, 2009, Vol.697(2), pp.1071-1102
identifier
descriptionThe 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 (FoV), high-energy -ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 × 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 ( x , y ) tracking planes, including two layers ( x and y ) of single-sided silicon strip detectors and high- Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy -ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectra from 20 MeV to more than 50 GeV for several hundred sources, (4) localize point sources to 0.3-2 arcmin, (5) map and obtain spectra of extended sources such as SNRs, molecular clouds, and nearby galaxies, (6) measure the diffuse isotropic -ray background up to TeV energies, and (7) explore the discovery space for dark matter.
languageeng
source
subjectEnergy Range ; Calorimeters ; Nonluminous Matter ; Galaxies ; Astrophysics,Other ; 71 Classical And Quantum Mechanics, General Physics ; Configuration ; Tungsten ; Telescopes ; Radiation Length ; Anticoincidence ; Physics ; Data Acquisition Systems ; Aspect Ratio ; Silicon ; Transients ; Spectra ; Monitoring ; Gamma Radiation Astrophysics,Other ; Point Sources ; Internal Pair Production ; 72 Physics Of Elementary Particles And Fields ; Performance;
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creatorcontrib
0Atwood, W. B.
1Abdo, A. A.
2Ackermann, M.
3Althouse, W.
4Anderson, B.
5Axelsson, M.
6Baldini, L.
7Ballet, J.
8Band, D. L.
9Barbiellini, G.
10Bartelt, J.
11Bastieri, D.
12Baughman, B. M.
13Bechtol, K.
14Bédérède, D.
15Bellardi, F.
16Bellazzini, R.
17Berenji, B.
18Bignami, G. F.
19Bisello, D.
20Bissaldi, E.
21Blandford, R. D.
22Bloom, E. D.
23Bogart, J. R.
24Bonamente, E.
25Bonnell, J.
26Borgland, A. W.
27Bouvier, A.
28Bregeon, J.
29Brez, A.
30Brigida, M.
31Bruel, P.
32Burnett, T. H.
33Busetto, G.
34Caliandro, G. A.
35Cameron, R. A.
36Caraveo, P. A.
37Carius, S.
38Carlson, P.
39Casandjian, J. M.
40Cavazzuti, E.
41Ceccanti, M.
42Cecchi, C.
43Charles, E.
44Chekhtman, A.
45Cheung, C. C.
46Chiang, J.
47Chipaux, R.
48Cillis, A. N.
49Ciprini, S.
50Claus, R.
51Cohen-Tanugi, J.
52Condamoor, S.
53Conrad, J.
54Corbet, R.
55Corucci, L.
56Costamante, L.
57Cutini, S.
58Davis, D. S.
59Decotigny, D.
60Deklotz, M.
61Dermer, C. D.
62De Angelis, A.
63Digel, S. W.
64Do Couto E Silva, E.
65Drell, P. S.
66Dubois, R.
67Dumora, D.
68Edmonds, Y.
69Fabiani, D.
70Farnier, C.
71Favuzzi, C.
72Flath, D. L.
73Fleury, P.
74Focke, W. B.
75Funk, S.
76Fusco, P.
77Gargano, F.
78Gasparrini, D.
79Gehrels, N.
80Gentit, F.-X.
81Germani, S.
82Giebels, B.
83Giglietto, N.
84Giommi, P.
85Giordano, F.
86Glanzman, T.
87Godfrey, G.
88Grenier, I. A.
89Grondin, M.-H.
90Grove, J. E.
91Guillemot, L.
92Guiriec, S.
93Haller, G.
94Harding, A. K.
95Hart, P. A.
96Hays, E.
97Healey, S. E.
98Hirayama, M.
99Hjalmarsdotter, L.
100...
title
0THE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION
1LARGE AREA TELESCOPE ON FERMI MISSION
2The Large Area Telescope on the Fermi Gamma-Ray Space Telescope Mission
descriptionThe 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 (FoV), high-energy -ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 × 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 ( x , y ) tracking planes, including two layers ( x and y ) of single-sided silicon strip detectors and high- Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy -ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectra from 20 MeV to more than 50 GeV for several hundred sources, (4) localize point sources to 0.3-2 arcmin, (5) map and obtain spectra of extended sources such as SNRs, molecular clouds, and nearby galaxies, (6) measure the diffuse isotropic -ray background up to TeV energies, and (7) explore the discovery space for dark matter.
general
010.1088/0004-637X/697/2/1071
1English
2IOPscience (IOP Publishing)
3Astrophysical Journal
sourceidiop
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00004-637X
11538-4357
20004637X
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titleThe large area telescope on the fermi gamma-ray space telescope mission
creationdate20090601
authorAtwood, W. B. ; Abdo, A. A. ; Ackermann, M. ; Althouse, W. ; Anderson, B. ; Axelsson, M. ; Baldini, L. ; Ballet, J. ; Band, D. L. ; Barbiellini, G. ; Bartelt, J. ; Bastieri, D. ; Baughman, B. M. ; Bechtol, K. ; Bédérède, D. ; Bellardi, F. ; Bellazzini, R. ; Berenji, B. ; Bignami, G. F. ; Bisello, D. ; Bissaldi, E. ; Blandford, R. D. ; Bloom, E. D. ; Bogart, J. R. ; Bonamente, E. ; Bonnell, J. ; Borgland, A. W. ; Bouvier, A. ; Bregeon, J. ; Brez, A. ; Brigida, M. ; Bruel, P. ; Burnett, T. H. ; Busetto, G. ; Caliandro, G. A. ; Cameron, R. A. ; Caraveo, P. A. ; Carius, S. ; Carlson, P. ; Casandjian, J. M. ; Cavazzuti, E. ; Ceccanti, M. ; Cecchi, C. ; Charles, E. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Chipaux, R. ; Cillis, A. N. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Condamoor, S. ; Conrad, J. ; Corbet, R. ; Corucci, L. ; Costamante, L. ; Cutini, S. ; Davis, D. S. ; Decotigny, D. ; Deklotz, M. ; Dermer, C. D. ; De Angelis, A. ; Digel, S. W. ; Do Couto E Silva, E. ; Drell, P. S. ; Dubois, R. ; Dumora, D. ; Edmonds, Y. ; Fabiani, D. ; Farnier, C. ; Favuzzi, C. ; Flath, D. L. ; Fleury, P. ; Focke, W. B. ; Funk, S. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Gehrels, N. ; Gentit, F.-X. ; Germani, S. ; Giebels, B. ; Giglietto, N. ; Giommi, P. ; Giordano, F. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grondin, M.-H. ; Grove, J. E. ; Guillemot, L. ; Guiriec, S. ; Haller, G. ; Harding, A. K. ; Hart, P. A. ; Hays, E. ; Healey, S. E. ; Hirayama, M. ; Hjalmarsdotter, L. ; Horn, R. ; Hughes, R. E. ; Jóhannesson, G. ; Johansson, G. ; Johnson, A. S. ; Johnson, R. P. ; Johnson, T. J. ; Johnson, W. N. ; Kamae, T. ; Katagiri, H. ; Kataoka, J. ; Kavelaars, A. ; Kawai, N. ; Kelly, H. ; Kerr, M. ; Klamra, W. ; Knödlseder, J. ; Kocian, M. L. ; Komin, N. ; Kuehn, F. ; Kuss, M. ; Landriu, D. ; Latronico, L. ; Lee, B. ; Lee, S.-H. ; Lemoine-Goumard, M. ; Lionetto, A. M. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Madejski, G. M. ; Makeev, A. ; Marangelli, B. ; Massai, M. M. ; Mazziotta, M. N. ; Mcenery, J. E. ; Menon, N. ; Meurer, C. ; Michelson, P. F. ; Minuti, M. ; Mirizzi, N. ; Mitthumsiri, W. ; Mizuno, T. ; Moiseev, A. A. ; Monte, C. ; Monzani, M. E. ; Moretti, E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nakamori, T. ; Nishino, S. ; Nolan, P. L. ; Norris, J. P. ; Nuss, E. ; Ohno, M. ; Ohsugi, T. ; Omodei, N. ; Orlando, E. ; Ormes, J. F. ; Paccagnella, A. ; Paneque, D. ; Panetta, J. H. ; Parent, D. ; Pearce, M. ; Pepe, M. ; Perazzo, A. ; Pesce-Rollins, M. ; Picozza, P. ; Pieri, L. ; Pinchera, M. ; Piron, F. ; Porter, T. A. ; Poupard, L. ; Rainò, S. ; Rando, R. ; Rapposelli, E. ; Razzano, M. ; Reimer, A. ; Reimer, O. ; Reposeur, T. ; Reyes, L. C. ; Ritz, S. ; Rochester, L. S. ; Rodriguez, A. Y. ; Romani, R. W. ; Roth, M. ; Russell, J. J. ; Ryde, F. ; Sabatini, S. ; Sadrozinski, H. F.-W. ; Sanchez, D. ; Sander, A. ; Sapozhnikov, L. ; Parkinson, P. M. Saz ; Scargle, J. D. ; Schalk, T. L. ; Scolieri, G. ; Sgrò, C. ; Share, G. H. ; Shaw, M. ; Shimokawabe, T. ; Shrader, C. ; Sierpowska-Bartosik, A. ; Siskind, E. J. ; Smith, D. A. ; Smith, P. D. ; Spandre, G. ; Spinelli, P. ; Starck, J.-L. ; Stephens, T. E. ; Strickman, M. S. ; Strong, A. W. ; Suson, D. J. ; Tajima, H. ; Takahashi, H. ; Takahashi, T. ; Tanaka, T. ; Tenze, A. ; Tether, S. ; Thayer, J. B. ; Thayer, J. G. ; Thompson, D. J. ; Tibaldo, L. ; Tibolla, O. ; Torres, D. F. ; Tosti, G. ; Tramacere, A. ; Turri, M. ; Usher, T. L. ; Vilchez, N. ; Vitale, V. ; Wang, P. ; Watters, K. ; Winer, B. L. ; Wood, K. S. ; Ylinen, T. ; Ziegler, M.
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0Atwood, W. B.
1Abdo, A. A.
2Ackermann, M.
3Althouse, W.
4Anderson, B.
5Axelsson, M.
6Baldini, L.
7Ballet, J.
8Band, D. L.
9Barbiellini, G.
10Bartelt, J.
11Bastieri, D.
12Baughman, B. M.
13Bechtol, K.
14Bédérède, D.
15Bellardi, F.
16Bellazzini, R.
17Berenji, B.
18Bignami, G. F.
19Bisello, D.
20Bissaldi, E.
21Blandford, R. D.
22Bloom, E. D.
23Bogart, J. R.
24Bonamente, E.
25Bonnell, J.
26Borgland, A. W.
27Bouvier, A.
28Bregeon, J.
29Brez, A.
30Brigida, M.
31Bruel, P.
32Burnett, T. H.
33Busetto, G.
34Caliandro, G. A.
35Cameron, R. A.
36Caraveo, P. A.
37Carius, S.
38Carlson, P.
39Casandjian, J. M.
40Cavazzuti, E.
41Ceccanti, M.
42Cecchi, C.
43Charles, E.
44Chekhtman, A.
45Cheung, C. C.
46Chiang, J.
47Chipaux, R.
48Cillis, A. N.
49Ciprini, S.
50Claus, R.
51Cohen-Tanugi, J.
52Condamoor, S.
53Conrad, J.
54Corbet, R.
55Corucci, L.
56Costamante, L.
57Cutini, S.
58Davis, D. S.
59Decotigny, D.
60Deklotz, M.
61Dermer, C. D.
62De Angelis, A.
63Digel, S. W.
64Do Couto E Silva, E.
65Drell, P. S.
66Dubois, R.
67Dumora, D.
68Edmonds, Y.
69Fabiani, D.
70Farnier, C.
71Favuzzi, C.
72Flath, D. L.
73Fleury, P.
74Focke, W. B.
75Funk, S.
76Fusco, P.
77Gargano, F.
78Gasparrini, D.
79Gehrels, N.
80Gentit, F.-X.
81Germani, S.
82Giebels, B.
83Giglietto, N.
84Giommi, P.
85Giordano, F.
86Glanzman, T.
87Godfrey, G.
88Grenier, I. A.
89Grondin, M.-H.
90Grove, J. E.
91Guillemot, L.
92Guiriec, S.
93Haller, G.
94Harding, A. K.
95Hart, P. A.
96Hays, E.
97Healey, S. E.
98Hirayama, M.
99Hjalmarsdotter, L.
100...
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aulast
0Atwood
1Abdo
2Ackermann
3Althouse
4Anderson
5Axelsson
6Baldini
7Ballet
8Band
9Barbiellini
10Bartelt
11Bastieri
12Baughman
13Bechtol
14Bédérède
15Bellardi
16Bellazzini
17Berenji
18Bignami
19Bisello
20Bissaldi
21Blandford
22Bloom
23Bogart
24Bonamente
25Bonnell
26Borgland
27Bouvier
28Bregeon
29Brez
30Brigida
31Bruel
32Burnett
33Busetto
34Caliandro
35Cameron
36Caraveo
37Carius
38Carlson
39Casandjian
40Cavazzuti
41Ceccanti
42Cecchi
43Charles
44Chekhtman
45Cheung
46Chiang
47Chipaux
48Cillis
49Ciprini
50Claus
51Cohen-Tanugi
52Condamoor
53Conrad
54Corbet
55Corucci
56Costamante
57Cutini
58Davis
59Decotigny
60DeKlotz
61Dermer
62de Angelis
63Digel
64do Couto e Silva
65Drell
66Dubois
67Dumora
68Edmonds
69Fabiani
70Farnier
71Favuzzi
72Flath
73Fleury
74Focke
75Funk
76Fusco
77Gargano
78Gasparrini
79Gehrels
80Gentit
81Germani
82Giebels
83Giglietto
84Giommi
85Giordano
86Glanzman
87Godfrey
88Grenier
89Grondin
90Grove
91Guillemot
92Guiriec
93Haller
94Harding
95Hart
96Hays
97Healey
98Hirayama
99Hjalmarsdotter
100...
aufirst
0W. B.
1A. A.
2M.
3W.
4B.
5L.
6J.
7D. L.
8G.
9D.
10B. M.
11K.
12F.
13R.
14G. F.
15E.
16R. D.
17E. D.
18J. R.
19A. W.
20A.
21P.
22T. H.
23G. A.
24R. A.
25P. A.
26S.
27J. M.
28C.
29C. C.
30A. N.
31D. S.
32C. D.
33S. W.
34P. S.
35Y.
36N.
37F.-X.
38T.
39I. A.
40M.-H.
41J. E.
42A. K.
43S. E.
44R. E.
45A. S.
46R. P.
47T. J.
48W. N.
49H.
50M. L.
51S.-H.
52A. M.
53M. N.
54G. M.
55M. M.
56P. F.
57M. E.
58I. V.
59P. L.
60J. P.
61J. F.
62J. H.
63T. A.
64O.
65L. C.
66L. S.
67A. Y.
68R. W.
69J. J.
70H. F.-W.
71P. M. Saz
72J. D.
73T. L.
74G. H.
75E. J.
76D. A.
77P. D.
78J.-L.
79T. E.
80M. S.
81D. J.
82J. B.
83J. G.
84D. F.
85V.
86B. L.
87K. S.
au
0Atwood, W. B.
1Abdo, A. A.
2Ackermann, M.
3Althouse, W.
4Anderson, B.
5Axelsson, M.
6Baldini, L.
7Ballet, J.
8Band, D. L.
9Barbiellini, G.
10Bartelt, J.
11Bastieri, D.
12Baughman, B. M.
13Bechtol, K.
14Bédérède, D.
15Bellardi, F.
16Bellazzini, R.
17Berenji, B.
18Bignami, G. F.
19Bisello, D.
20Bissaldi, E.
21Blandford, R. D.
22Bloom, E. D.
23Bogart, J. R.
24Bonamente, E.
25Bonnell, J.
26Borgland, A. W.
27Bouvier, A.
28Bregeon, J.
29Brez, A.
30Brigida, M.
31Bruel, P.
32Burnett, T. H.
33Busetto, G.
34Caliandro, G. A.
35Cameron, R. A.
36Caraveo, P. A.
37Carius, S.
38Carlson, P.
39Casandjian, J. M.
40Cavazzuti, E.
41Ceccanti, M.
42Cecchi, C.
43Charles, E.
44Chekhtman, A.
45Cheung, C. C.
46Chiang, J.
47Chipaux, R.
48Cillis, A. N.
49Ciprini, S.
50Claus, R.
51Cohen-Tanugi, J.
52Condamoor, S.
53Conrad, J.
54Corbet, R.
55Corucci, L.
56Costamante, L.
57Cutini, S.
58Davis, D. S.
59Decotigny, D.
60DeKlotz, M.
61Dermer, C. D.
62de Angelis, A.
63Digel, S. W.
64do Couto e Silva, E.
65Drell, P. S.
66Dubois, R.
67Dumora, D.
68Edmonds, Y.
69Fabiani, D.
70Farnier, C.
71Favuzzi, C.
72Flath, D. L.
73Fleury, P.
74Focke, W. B.
75Funk, S.
76Fusco, P.
77Gargano, F.
78Gasparrini, D.
79Gehrels, N.
80Gentit, F.-X.
81Germani, S.
82Giebels, B.
83Giglietto, N.
84Giommi, P.
85Giordano, F.
86Glanzman, T.
87Godfrey, G.
88Grenier, I. A.
89Grondin, M.-H.
90Grove, J. E.
91Guillemot, L.
92Guiriec, S.
93Haller, G.
94Harding, A. K.
95Hart, P. A.
96Hays, E.
97Healey, S. E.
98Hirayama, M.
99Hjalmarsdotter, L.
100...
atitleTHE LARGE AREA TELESCOPE ON THE FERMI GAMMA-RAY SPACE TELESCOPE MISSION
jtitleThe Astrophysical Journal
stitleLARGE AREA TELESCOPE ON FERMI MISSION
risdate20090601
volume697
issue2
spage1071
epage1102
issn0004-637X
eissn1538-4357
formatjournal
genrearticle
ristypeJOUR
abstractThe 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 (FoV), high-energy -ray telescope, covering the energy range from below 20 MeV to more than 300 GeV. The LAT was built by an international collaboration with contributions from space agencies, high-energy particle physics institutes, and universities in France, Italy, Japan, Sweden, and the United States. This paper describes the LAT, its preflight expected performance, and summarizes the key science objectives that will be addressed. On-orbit performance will be presented in detail in a subsequent paper. The LAT is a pair-conversion telescope with a precision tracker and calorimeter, each consisting of a 4 × 4 array of 16 modules, a segmented anticoincidence detector that covers the tracker array, and a programmable trigger and data acquisition system. Each tracker module has a vertical stack of 18 ( x , y ) tracking planes, including two layers ( x and y ) of single-sided silicon strip detectors and high- Z converter material (tungsten) per tray. Every calorimeter module has 96 CsI(Tl) crystals, arranged in an eight-layer hodoscopic configuration with a total depth of 8.6 radiation lengths, giving both longitudinal and transverse information about the energy deposition pattern. The calorimeter's depth and segmentation enable the high-energy reach of the LAT and contribute significantly to background rejection. The aspect ratio of the tracker (height/width) is 0.4, allowing a large FoV (2.4 sr) and ensuring that most pair-conversion showers initiated in the tracker will pass into the calorimeter for energy measurement. Data obtained with the LAT are intended to (1) permit rapid notification of high-energy -ray bursts and transients and facilitate monitoring of variable sources, (2) yield an extensive catalog of several thousand high-energy sources obtained from an all-sky survey, (3) measure spectra from 20 MeV to more than 50 GeV for several hundred sources, (4) localize point sources to 0.3-2 arcmin, (5) map and obtain spectra of extended sources such as SNRs, molecular clouds, and nearby galaxies, (6) measure the diffuse isotropic -ray background up to TeV energies, and (7) explore the discovery space for dark matter.
doi10.1088/0004-637X/697/2/1071
pages1071-1102
orcidid0000-0002-7320-8078: 0000-0002-0014-7809: 0000-0001-6885-7156
date2009-06-01