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Fermi Large Area Telescope Second Source Catalog

We present the second catalog of high-energy -ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , derived from data taken during the first 24 months of the science phase of the mission, which began on 2008 August 4.... Full description

Journal Title: The Astrophysical Journal Supplement Series 2012, Vol.199(2), p.31 (46pp)
Main Author: Nolan, P. L.
Other Authors: Abdo, A. A. , Ackermann, M. , Ajello, M. , Allafort, A. , Antolini, E. , Atwood, W. B. , Axelsson, M. , Baldini, L. , Ballet, J. , Barbiellini, G. , Bastieri, D. , Bechtol, K. , Belfiore, A. , Bellazzini, R. , Berenji, B. , Bignami, G. F. , Blandford, R. D. , Bloom, E. D. , Bonamente, E. , Bonnell, J. , Borgland, A. W. , Bottacini, E. , Bouvier, A. , Brandt, T. J. , Bregeon, J. , Brigida, M. , Bruel, P. , Buehler, R. , Burnett, T. H. , Buson, S. , Caliandro, G. A. , Cameron, R. A. , Campana, R. , Cañadas, B. , Cannon, A. , Caraveo, P. A. , Casandjian, J. M. , Cavazzuti, E. , Ceccanti, M. , Cecchi, C. , Çelik, Ö. , Charles, E. , Chekhtman, A. , Cheung, C. C. , Chiang, J. , Chipaux, R. , Ciprini, S. , Claus, R. , Cohen-Tanugi, J. , Cominsky, L. R. , Conrad, J. , Corbet, R. , Cutini, S. , D'Ammando, F. , Davis, D. S. , De Angelis, A. , Decesar, M. E. , Deklotz, M. , De Luca, A. , Den Hartog, P. R. , De Palma, F. , Dermer, C. D. , Digel, S. W. , Do Couto E Silva, E. , Drell, P. S. , Drlica-Wagner, A. , Dubois, R. , Dumora, D. , Enoto, T. , Escande, L. , Fabiani, D. , Falletti, L. , Favuzzi, C. , Fegan, S. J. , Ferrara, E. C. , Focke, W. B. , Fortin, P. , Frailis, M. , Fukazawa, Y. , Funk, S. , Fusco, P. , Gargano, F. , Gasparrini, D. , Gehrels, N. , Germani, S. , Giebels, B. , Giglietto, N. , Giommi, P. , Giordano, F. , Giroletti, M. , Glanzman, T. , Godfrey, G. , Grenier, I. A. , Grondin, M.-H. , Grove, J. E. , Guillemot, L. , Guiriec, S. , Gustafsson, M. , Hadasch, D. , Hanabata, Y. , Harding, A. K. , Hayashida, M. , Hays, E. , Hill, A. B. , Horan, D. , Hou, X. , Hughes, R. E. , Iafrate, G. , Itoh, R. , Jóhannesson, G. , Johnson, R. P. , Johnson, T. E. , Johnson, A. S. , Johnson, T. J. , Kamae, T. , Katagiri, H. , Kataoka, J. , Katsuta, J. , Kawai, N. , Kerr, M. , Knödlseder, J. , Kocevski, D. , Kuss, M. , Lande, J. , Landriu, D. , Latronico, L. , Lemoine-Goumard, M. , Lionetto, A. M. , Llena Garde, M. , Longo, F. , Loparco, F. , Lott, B. , Lovellette, M. N. , Lubrano, P. , Madejski, G. M. , Marelli, M. , Massaro, E. , Mazziotta, M. N. , Mcconville, W. , Mcenery, J. E. , Mehault, J. , Michelson, P. F. , Minuti, M. , Mitthumsiri, W. , Mizuno, T. , Moiseev, A. A. , Mongelli, M. , Monte, C. , Monzani, M. E. , Morselli, A. , Moskalenko, I. V. , Murgia, S. , Nakamori, T. , Naumann-Godo, M. , Norris, J. P. , Nuss, E. , Nymark, T. , Ohno, M. , Ohsugi, T. , Okumura, A. , Omodei, N. , Orlando, E. , Ormes, J. F. , Ozaki, M. , Paneque, D. , Panetta, J. H. , Parent, D. , Perkins, J. S. , Pesce-Rollins, M. , Pierbattista, M. , Pinchera, M. , Piron, F. , Pivato, G. , Porter, T. A. , Racusin, J. L. , Rainò, S. , Rando, R. , Razzano, M. , Razzaque, S. , Reimer, A. , Reimer, O. , Reposeur, T. , Ritz, S. , Rochester, L. S. , Romani, R. W. , Roth, M. , Rousseau, R. , Ryde, F. , Sadrozinski, H. F.-W. , Salvetti, D. , Sanchez, D. A. , Saz Parkinson, P. M. , Sbarra, C. , Scargle, J. D. , Schalk, T. L. , Sgrò, C. , Shaw, M. S. , Shrader, C. , Siskind, E. J. , Smith, D. A. , Spandre, G. , Spinelli, P. , Stephens, T. E. , Strickman, M. S. , Suson, D. J. , Tajima, H. , Takahashi, H. , Takahashi, T. , Tanaka, T. , Thayer, J. G. , Thayer, J. B. , Thompson, D. J. , Tibaldo, L. , Tibolla, O. , Tinebra, F. , Tinivella, M. , Torres, D. F. , Tosti, G. , Troja, E. , Uchiyama, Y. , Vandenbroucke, J. , Van Etten, A. , Van Klaveren, B. , Vasileiou, V. , Vianello, G. , Vitale, V. , Waite, A. P. , Wallace, E. , Wang, P. , Werner, M. , Winer, B. L. , Wood, D. L. , Wood, K. S. , Wood, M. , Yang, Z. , Zimmer, S.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0067-0049 ; E-ISSN: 1538-4365 ; DOI: 10.1088/0067-0049/199/2/31
Link: http://dx.doi.org/10.1088/0067-0049/199/2/31
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recordid: iop10.1088/0067-0049/199/2/31
title: Fermi Large Area Telescope Second Source Catalog
format: Article
creator:
  • Nolan, P. L.
  • Abdo, A. A.
  • Ackermann, M.
  • Ajello, M.
  • Allafort, A.
  • Antolini, E.
  • Atwood, W. B.
  • Axelsson, M.
  • Baldini, L.
  • Ballet, J.
  • Barbiellini, G.
  • Bastieri, D.
  • Bechtol, K.
  • Belfiore, A.
  • Bellazzini, R.
  • Berenji, B.
  • Bignami, G. F.
  • Blandford, R. D.
  • Bloom, E. D.
  • Bonamente, E.
  • Bonnell, J.
  • Borgland, A. W.
  • Bottacini, E.
  • Bouvier, A.
  • Brandt, T. J.
  • Bregeon, J.
  • Brigida, M.
  • Bruel, P.
  • Buehler, R.
  • Burnett, T. H.
  • Buson, S.
  • Caliandro, G. A.
  • Cameron, R. A.
  • Campana, R.
  • Cañadas, B.
  • Cannon, A.
  • Caraveo, P. A.
  • Casandjian, J. M.
  • Cavazzuti, E.
  • Ceccanti, M.
  • Cecchi, C.
  • Çelik, Ö.
  • Charles, E.
  • Chekhtman, A.
  • Cheung, C. C.
  • Chiang, J.
  • Chipaux, R.
  • Ciprini, S.
  • Claus, R.
  • Cohen-Tanugi, J.
  • Cominsky, L. R.
  • Conrad, J.
  • Corbet, R.
  • Cutini, S.
  • D'Ammando, F.
  • Davis, D. S.
  • De Angelis, A.
  • Decesar, M. E.
  • Deklotz, M.
  • De Luca, A.
  • Den Hartog, P. R.
  • De Palma, F.
  • Dermer, C. D.
  • Digel, S. W.
  • Do Couto E Silva, E.
  • Drell, P. S.
  • Drlica-Wagner, A.
  • Dubois, R.
  • Dumora, D.
  • Enoto, T.
  • Escande, L.
  • Fabiani, D.
  • Falletti, L.
  • Favuzzi, C.
  • Fegan, S. J.
  • Ferrara, E. C.
  • Focke, W. B.
  • Fortin, P.
  • Frailis, M.
  • Fukazawa, Y.
  • Funk, S.
  • Fusco, P.
  • Gargano, F.
  • Gasparrini, D.
  • Gehrels, N.
  • Germani, S.
  • Giebels, B.
  • Giglietto, N.
  • Giommi, P.
  • Giordano, F.
  • Giroletti, M.
  • Glanzman, T.
  • Godfrey, G.
  • Grenier, I. A.
  • Grondin, M.-H.
  • Grove, J. E.
  • Guillemot, L.
  • Guiriec, S.
  • Gustafsson, M.
  • Hadasch, D.
  • Hanabata, Y.
  • Harding, A. K.
  • Hayashida, M.
  • Hays, E.
  • Hill, A. B.
  • Horan, D.
  • Hou, X.
  • Hughes, R. E.
  • Iafrate, G.
  • Itoh, R.
  • Jóhannesson, G.
  • Johnson, R. P.
  • Johnson, T. E.
  • Johnson, A. S.
  • Johnson, T. J.
  • Kamae, T.
  • Katagiri, H.
  • Kataoka, J.
  • Katsuta, J.
  • Kawai, N.
  • Kerr, M.
  • Knödlseder, J.
  • Kocevski, D.
  • Kuss, M.
  • Lande, J.
  • Landriu, D.
  • Latronico, L.
  • Lemoine-Goumard, M.
  • Lionetto, A. M.
  • Llena Garde, M.
  • Longo, F.
  • Loparco, F.
  • Lott, B.
  • Lovellette, M. N.
  • Lubrano, P.
  • Madejski, G. M.
  • Marelli, M.
  • Massaro, E.
  • Mazziotta, M. N.
  • Mcconville, W.
  • Mcenery, J. E.
  • Mehault, J.
  • Michelson, P. F.
  • Minuti, M.
  • Mitthumsiri, W.
  • Mizuno, T.
  • Moiseev, A. A.
  • Mongelli, M.
  • Monte, C.
  • Monzani, M. E.
  • Morselli, A.
  • Moskalenko, I. V.
  • Murgia, S.
  • Nakamori, T.
  • Naumann-Godo, M.
  • Norris, J. P.
  • Nuss, E.
  • Nymark, T.
  • Ohno, M.
  • Ohsugi, T.
  • Okumura, A.
  • Omodei, N.
  • Orlando, E.
  • Ormes, J. F.
  • Ozaki, M.
  • Paneque, D.
  • Panetta, J. H.
  • Parent, D.
  • Perkins, J. S.
  • Pesce-Rollins, M.
  • Pierbattista, M.
  • Pinchera, M.
  • Piron, F.
  • Pivato, G.
  • Porter, T. A.
  • Racusin, J. L.
  • Rainò, S.
  • Rando, R.
  • Razzano, M.
  • Razzaque, S.
  • Reimer, A.
  • Reimer, O.
  • Reposeur, T.
  • Ritz, S.
  • Rochester, L. S.
  • Romani, R. W.
  • Roth, M.
  • Rousseau, R.
  • Ryde, F.
  • Sadrozinski, H. F.-W.
  • Salvetti, D.
  • Sanchez, D. A.
  • Saz Parkinson, P. M.
  • Sbarra, C.
  • Scargle, J. D.
  • Schalk, T. L.
  • Sgrò, C.
  • Shaw, M. S.
  • Shrader, C.
  • Siskind, E. J.
  • Smith, D. A.
  • Spandre, G.
  • Spinelli, P.
  • Stephens, T. E.
  • Strickman, M. S.
  • Suson, D. J.
  • Tajima, H.
  • Takahashi, H.
  • Takahashi, T.
  • Tanaka, T.
  • Thayer, J. G.
  • Thayer, J. B.
  • Thompson, D. J.
  • Tibaldo, L.
  • Tibolla, O.
  • Tinebra, F.
  • Tinivella, M.
  • Torres, D. F.
  • Tosti, G.
  • Troja, E.
  • Uchiyama, Y.
  • Vandenbroucke, J.
  • Van Etten, A.
  • Van Klaveren, B.
  • Vasileiou, V.
  • Vianello, G.
  • Vitale, V.
  • Waite, A. P.
  • Wallace, E.
  • Wang, P.
  • Werner, M.
  • Winer, B. L.
  • Wood, D. L.
  • Wood, K. S.
  • Wood, M.
  • Yang, Z.
  • Zimmer, S.
subjects:
  • Astrophysics - High Energy Astrophysical Phenomena
ispartof: The Astrophysical Journal Supplement Series, 2012, Vol.199(2), p.31 (46pp)
description: We present the second catalog of high-energy -ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , derived from data taken during the first 24 months of the science phase of the mission, which began on 2008 August 4. Source detection is based on the average flux over the 24 month period. The second Fermi -LAT catalog (2FGL) includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and spectral fits in terms of power-law, exponentially cutoff power-law, or log-normal forms. Also included are flux measurements in five energy bands and light curves on monthly intervals for each source. Twelve sources in the catalog are modeled as spatially extended. We provide a detailed comparison of the results from this catalog with those from the first Fermi -LAT catalog (1FGL). Although the diffuse Galactic and isotropic models used in the 2FGL analysis are improved compared to the 1FGL catalog, we attach caution flags to 162 of the sources to indicate possible confusion with residual imperfections in the diffuse model. The 2FGL catalog contains 1873 sources detected and characterized in the 100 MeV to 100 GeV range of which we consider 127 as being firmly identified and 1171 as being reliably associated with counterparts of known or likely -ray-producing source classes.
language: eng
source:
identifier: ISSN: 0067-0049 ; E-ISSN: 1538-4365 ; DOI: 10.1088/0067-0049/199/2/31
fulltext: fulltext
issn:
  • 0067-0049
  • 1538-4365
  • 00670049
  • 15384365
url: Link


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titleFermi Large Area Telescope Second Source Catalog
creatorNolan, P. L. ; Abdo, A. A. ; Ackermann, M. ; Ajello, M. ; Allafort, A. ; Antolini, E. ; Atwood, W. B. ; Axelsson, M. ; Baldini, L. ; Ballet, J. ; Barbiellini, G. ; Bastieri, D. ; Bechtol, K. ; Belfiore, A. ; Bellazzini, R. ; Berenji, B. ; Bignami, G. F. ; Blandford, R. D. ; Bloom, E. D. ; Bonamente, E. ; Bonnell, J. ; Borgland, A. W. ; Bottacini, E. ; Bouvier, A. ; Brandt, T. J. ; Bregeon, J. ; Brigida, M. ; Bruel, P. ; Buehler, R. ; Burnett, T. H. ; Buson, S. ; Caliandro, G. A. ; Cameron, R. A. ; Campana, R. ; Cañadas, B. ; Cannon, A. ; Caraveo, P. A. ; Casandjian, J. M. ; Cavazzuti, E. ; Ceccanti, M. ; Cecchi, C. ; Çelik, Ö. ; Charles, E. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Chipaux, R. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Cominsky, L. R. ; Conrad, J. ; Corbet, R. ; Cutini, S. ; D'Ammando, F. ; Davis, D. S. ; De Angelis, A. ; Decesar, M. E. ; Deklotz, M. ; De Luca, A. ; Den Hartog, P. R. ; De Palma, F. ; Dermer, C. D. ; Digel, S. W. ; Do Couto E Silva, E. ; Drell, P. S. ; Drlica-Wagner, A. ; Dubois, R. ; Dumora, D. ; Enoto, T. ; Escande, L. ; Fabiani, D. ; Falletti, L. ; Favuzzi, C. ; Fegan, S. J. ; Ferrara, E. C. ; Focke, W. B. ; Fortin, P. ; Frailis, M. ; Fukazawa, Y. ; Funk, S. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Gehrels, N. ; Germani, S. ; Giebels, B. ; Giglietto, N. ; Giommi, P. ; Giordano, F. ; Giroletti, M. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grondin, M.-H. ; Grove, J. E. ; Guillemot, L. ; Guiriec, S. ; Gustafsson, M. ; Hadasch, D. ; Hanabata, Y. ; Harding, A. K. ; Hayashida, M. ; Hays, E. ; Hill, A. B. ; Horan, D. ; Hou, X. ; Hughes, R. E. ; Iafrate, G. ; Itoh, R. ; Jóhannesson, G. ; Johnson, R. P. ; Johnson, T. E. ; Johnson, A. S. ; Johnson, T. J. ; Kamae, T. ; Katagiri, H. ; Kataoka, J. ; Katsuta, J. ; Kawai, N. ; Kerr, M. ; Knödlseder, J. ; Kocevski, D. ; Kuss, M. ; Lande, J. ; Landriu, D. ; Latronico, L. ; Lemoine-Goumard, M. ; Lionetto, A. M. ; Llena Garde, M. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Madejski, G. M. ; Marelli, M. ; Massaro, E. ; Mazziotta, M. N. ; Mcconville, W. ; Mcenery, J. E. ; Mehault, J. ; Michelson, P. F. ; Minuti, M. ; Mitthumsiri, W. ; Mizuno, T. ; Moiseev, A. A. ; Mongelli, M. ; Monte, C. ; Monzani, M. E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nakamori, T. ; Naumann-Godo, M. ; Norris, J. P. ; Nuss, E. ; Nymark, T. ; Ohno, M. ; Ohsugi, T. ; Okumura, A. ; Omodei, N. ; Orlando, E. ; Ormes, J. F. ; Ozaki, M. ; Paneque, D. ; Panetta, J. H. ; Parent, D. ; Perkins, J. S. ; Pesce-Rollins, M. ; Pierbattista, M. ; Pinchera, M. ; Piron, F. ; Pivato, G. ; Porter, T. A. ; Racusin, J. L. ; Rainò, S. ; Rando, R. ; Razzano, M. ; Razzaque, S. ; Reimer, A. ; Reimer, O. ; Reposeur, T. ; Ritz, S. ; Rochester, L. S. ; Romani, R. W. ; Roth, M. ; Rousseau, R. ; Ryde, F. ; Sadrozinski, H. F.-W. ; Salvetti, D. ; Sanchez, D. A. ; Saz Parkinson, P. M. ; Sbarra, C. ; Scargle, J. D. ; Schalk, T. L. ; Sgrò, C. ; Shaw, M. S. ; Shrader, C. ; Siskind, E. J. ; Smith, D. A. ; Spandre, G. ; Spinelli, P. ; Stephens, T. E. ; Strickman, M. S. ; Suson, D. J. ; Tajima, H. ; Takahashi, H. ; Takahashi, T. ; Tanaka, T. ; Thayer, J. G. ; Thayer, J. B. ; Thompson, D. J. ; Tibaldo, L. ; Tibolla, O. ; Tinebra, F. ; Tinivella, M. ; Torres, D. F. ; Tosti, G. ; Troja, E. ; Uchiyama, Y. ; Vandenbroucke, J. ; Van Etten, A. ; Van Klaveren, B. ; Vasileiou, V. ; Vianello, G. ; Vitale, V. ; Waite, A. P. ; Wallace, E. ; Wang, P. ; Werner, M. ; Winer, B. L. ; Wood, D. L. ; Wood, K. S. ; Wood, M. ; Yang, Z. ; Zimmer, S.
ispartofThe Astrophysical Journal Supplement Series, 2012, Vol.199(2), p.31 (46pp)
identifier
descriptionWe present the second catalog of high-energy -ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , derived from data taken during the first 24 months of the science phase of the mission, which began on 2008 August 4. Source detection is based on the average flux over the 24 month period. The second Fermi -LAT catalog (2FGL) includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and spectral fits in terms of power-law, exponentially cutoff power-law, or log-normal forms. Also included are flux measurements in five energy bands and light curves on monthly intervals for each source. Twelve sources in the catalog are modeled as spatially extended. We provide a detailed comparison of the results from this catalog with those from the first Fermi -LAT catalog (1FGL). Although the diffuse Galactic and isotropic models used in the 2FGL analysis are improved compared to the 1FGL catalog, we attach caution flags to 162 of the sources to indicate possible confusion with residual imperfections in the diffuse model. The 2FGL catalog contains 1873 sources detected and characterized in the 100 MeV to 100 GeV range of which we consider 127 as being firmly identified and 1171 as being reliably associated with counterparts of known or likely -ray-producing source classes.
languageeng
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subjectAstrophysics - High Energy Astrophysical Phenomena;
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creatorcontrib
0Nolan, P. L.
1Abdo, A. A.
2Ackermann, M.
3Ajello, M.
4Allafort, A.
5Antolini, E.
6Atwood, W. B.
7Axelsson, M.
8Baldini, L.
9Ballet, J.
10Barbiellini, G.
11Bastieri, D.
12Bechtol, K.
13Belfiore, A.
14Bellazzini, R.
15Berenji, B.
16Bignami, G. F.
17Blandford, R. D.
18Bloom, E. D.
19Bonamente, E.
20Bonnell, J.
21Borgland, A. W.
22Bottacini, E.
23Bouvier, A.
24Brandt, T. J.
25Bregeon, J.
26Brigida, M.
27Bruel, P.
28Buehler, R.
29Burnett, T. H.
30Buson, S.
31Caliandro, G. A.
32Cameron, R. A.
33Campana, R.
34Cañadas, B.
35Cannon, A.
36Caraveo, P. A.
37Casandjian, J. M.
38Cavazzuti, E.
39Ceccanti, M.
40Cecchi, C.
41Çelik, Ö.
42Charles, E.
43Chekhtman, A.
44Cheung, C. C.
45Chiang, J.
46Chipaux, R.
47Ciprini, S.
48Claus, R.
49Cohen-Tanugi, J.
50Cominsky, L. R.
51Conrad, J.
52Corbet, R.
53Cutini, S.
54D'Ammando, F.
55Davis, D. S.
56De Angelis, A.
57Decesar, M. E.
58Deklotz, M.
59De Luca, A.
60Den Hartog, P. R.
61De Palma, F.
62Dermer, C. D.
63Digel, S. W.
64Do Couto E Silva, E.
65Drell, P. S.
66Drlica-Wagner, A.
67Dubois, R.
68Dumora, D.
69Enoto, T.
70Escande, L.
71Fabiani, D.
72Falletti, L.
73Favuzzi, C.
74Fegan, S. J.
75Ferrara, E. C.
76Focke, W. B.
77Fortin, P.
78Frailis, M.
79Fukazawa, Y.
80Funk, S.
81Fusco, P.
82Gargano, F.
83Gasparrini, D.
84Gehrels, N.
85Germani, S.
86Giebels, B.
87Giglietto, N.
88Giommi, P.
89Giordano, F.
90Giroletti, M.
91Glanzman, T.
92Godfrey, G.
93Grenier, I. A.
94Grondin, M.-H.
95Grove, J. E.
96Guillemot, L.
97Guiriec, S.
98Gustafsson, M.
99Hadasch, D.
100...
title
0FERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG We dedicate this paper to the memory of our colleague Patrick Nolan, who died on 2011 November 6. His career spanned much of the history of high-energy astronomy from space and his work on the Large Area Telescope (LAT) began nearly 20 years ago when it was just a concept. Pat was a central member in the operation of the LAT collaboration and he is greatly missed.
1FERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG
2Fermi Large Area Telescope Second Source Catalog
descriptionWe present the second catalog of high-energy -ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , derived from data taken during the first 24 months of the science phase of the mission, which began on 2008 August 4. Source detection is based on the average flux over the 24 month period. The second Fermi -LAT catalog (2FGL) includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and spectral fits in terms of power-law, exponentially cutoff power-law, or log-normal forms. Also included are flux measurements in five energy bands and light curves on monthly intervals for each source. Twelve sources in the catalog are modeled as spatially extended. We provide a detailed comparison of the results from this catalog with those from the first Fermi -LAT catalog (1FGL). Although the diffuse Galactic and isotropic models used in the 2FGL analysis are improved compared to the 1FGL catalog, we attach caution flags to 162 of the sources to indicate possible confusion with residual imperfections in the diffuse model. The 2FGL catalog contains 1873 sources detected and characterized in the 100 MeV to 100 GeV range of which we consider 127 as being firmly identified and 1171 as being reliably associated with counterparts of known or likely -ray-producing source classes.
general
010.1088/0067-0049/199/2/31
1English
2IOPscience (IOP Publishing)
3Astrophysical Journal Supplement Series
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recordidiop10.1088/0067-0049/199/2/31
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00067-0049
11538-4365
200670049
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addtitleThe Astrophysical Journal Supplement Series
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titleFermi Large Area Telescope Second Source Catalog
creationdate20120401
authorNolan, P. L. ; Abdo, A. A. ; Ackermann, M. ; Ajello, M. ; Allafort, A. ; Antolini, E. ; Atwood, W. B. ; Axelsson, M. ; Baldini, L. ; Ballet, J. ; Barbiellini, G. ; Bastieri, D. ; Bechtol, K. ; Belfiore, A. ; Bellazzini, R. ; Berenji, B. ; Bignami, G. F. ; Blandford, R. D. ; Bloom, E. D. ; Bonamente, E. ; Bonnell, J. ; Borgland, A. W. ; Bottacini, E. ; Bouvier, A. ; Brandt, T. J. ; Bregeon, J. ; Brigida, M. ; Bruel, P. ; Buehler, R. ; Burnett, T. H. ; Buson, S. ; Caliandro, G. A. ; Cameron, R. A. ; Campana, R. ; Cañadas, B. ; Cannon, A. ; Caraveo, P. A. ; Casandjian, J. M. ; Cavazzuti, E. ; Ceccanti, M. ; Cecchi, C. ; Çelik, Ö. ; Charles, E. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Chipaux, R. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Cominsky, L. R. ; Conrad, J. ; Corbet, R. ; Cutini, S. ; D'Ammando, F. ; Davis, D. S. ; De Angelis, A. ; Decesar, M. E. ; Deklotz, M. ; De Luca, A. ; Den Hartog, P. R. ; De Palma, F. ; Dermer, C. D. ; Digel, S. W. ; Do Couto E Silva, E. ; Drell, P. S. ; Drlica-Wagner, A. ; Dubois, R. ; Dumora, D. ; Enoto, T. ; Escande, L. ; Fabiani, D. ; Falletti, L. ; Favuzzi, C. ; Fegan, S. J. ; Ferrara, E. C. ; Focke, W. B. ; Fortin, P. ; Frailis, M. ; Fukazawa, Y. ; Funk, S. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Gehrels, N. ; Germani, S. ; Giebels, B. ; Giglietto, N. ; Giommi, P. ; Giordano, F. ; Giroletti, M. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grondin, M.-H. ; Grove, J. E. ; Guillemot, L. ; Guiriec, S. ; Gustafsson, M. ; Hadasch, D. ; Hanabata, Y. ; Harding, A. K. ; Hayashida, M. ; Hays, E. ; Hill, A. B. ; Horan, D. ; Hou, X. ; Hughes, R. E. ; Iafrate, G. ; Itoh, R. ; Jóhannesson, G. ; Johnson, R. P. ; Johnson, T. E. ; Johnson, A. S. ; Johnson, T. J. ; Kamae, T. ; Katagiri, H. ; Kataoka, J. ; Katsuta, J. ; Kawai, N. ; Kerr, M. ; Knödlseder, J. ; Kocevski, D. ; Kuss, M. ; Lande, J. ; Landriu, D. ; Latronico, L. ; Lemoine-Goumard, M. ; Lionetto, A. M. ; Llena Garde, M. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Madejski, G. M. ; Marelli, M. ; Massaro, E. ; Mazziotta, M. N. ; Mcconville, W. ; Mcenery, J. E. ; Mehault, J. ; Michelson, P. F. ; Minuti, M. ; Mitthumsiri, W. ; Mizuno, T. ; Moiseev, A. A. ; Mongelli, M. ; Monte, C. ; Monzani, M. E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nakamori, T. ; Naumann-Godo, M. ; Norris, J. P. ; Nuss, E. ; Nymark, T. ; Ohno, M. ; Ohsugi, T. ; Okumura, A. ; Omodei, N. ; Orlando, E. ; Ormes, J. F. ; Ozaki, M. ; Paneque, D. ; Panetta, J. H. ; Parent, D. ; Perkins, J. S. ; Pesce-Rollins, M. ; Pierbattista, M. ; Pinchera, M. ; Piron, F. ; Pivato, G. ; Porter, T. A. ; Racusin, J. L. ; Rainò, S. ; Rando, R. ; Razzano, M. ; Razzaque, S. ; Reimer, A. ; Reimer, O. ; Reposeur, T. ; Ritz, S. ; Rochester, L. S. ; Romani, R. W. ; Roth, M. ; Rousseau, R. ; Ryde, F. ; Sadrozinski, H. F.-W. ; Salvetti, D. ; Sanchez, D. A. ; Saz Parkinson, P. M. ; Sbarra, C. ; Scargle, J. D. ; Schalk, T. L. ; Sgrò, C. ; Shaw, M. S. ; Shrader, C. ; Siskind, E. J. ; Smith, D. A. ; Spandre, G. ; Spinelli, P. ; Stephens, T. E. ; Strickman, M. S. ; Suson, D. J. ; Tajima, H. ; Takahashi, H. ; Takahashi, T. ; Tanaka, T. ; Thayer, J. G. ; Thayer, J. B. ; Thompson, D. J. ; Tibaldo, L. ; Tibolla, O. ; Tinebra, F. ; Tinivella, M. ; Torres, D. F. ; Tosti, G. ; Troja, E. ; Uchiyama, Y. ; Vandenbroucke, J. ; Van Etten, A. ; Van Klaveren, B. ; Vasileiou, V. ; Vianello, G. ; Vitale, V. ; Waite, A. P. ; Wallace, E. ; Wang, P. ; Werner, M. ; Winer, B. L. ; Wood, D. L. ; Wood, K. S. ; Wood, M. ; Yang, Z. ; Zimmer, S.
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0Nolan, P. L.
1Abdo, A. A.
2Ackermann, M.
3Ajello, M.
4Allafort, A.
5Antolini, E.
6Atwood, W. B.
7Axelsson, M.
8Baldini, L.
9Ballet, J.
10Barbiellini, G.
11Bastieri, D.
12Bechtol, K.
13Belfiore, A.
14Bellazzini, R.
15Berenji, B.
16Bignami, G. F.
17Blandford, R. D.
18Bloom, E. D.
19Bonamente, E.
20Bonnell, J.
21Borgland, A. W.
22Bottacini, E.
23Bouvier, A.
24Brandt, T. J.
25Bregeon, J.
26Brigida, M.
27Bruel, P.
28Buehler, R.
29Burnett, T. H.
30Buson, S.
31Caliandro, G. A.
32Cameron, R. A.
33Campana, R.
34Cañadas, B.
35Cannon, A.
36Caraveo, P. A.
37Casandjian, J. M.
38Cavazzuti, E.
39Ceccanti, M.
40Cecchi, C.
41Çelik, Ö.
42Charles, E.
43Chekhtman, A.
44Cheung, C. C.
45Chiang, J.
46Chipaux, R.
47Ciprini, S.
48Claus, R.
49Cohen-Tanugi, J.
50Cominsky, L. R.
51Conrad, J.
52Corbet, R.
53Cutini, S.
54D'Ammando, F.
55Davis, D. S.
56De Angelis, A.
57Decesar, M. E.
58Deklotz, M.
59De Luca, A.
60Den Hartog, P. R.
61De Palma, F.
62Dermer, C. D.
63Digel, S. W.
64Do Couto E Silva, E.
65Drell, P. S.
66Drlica-Wagner, A.
67Dubois, R.
68Dumora, D.
69Enoto, T.
70Escande, L.
71Fabiani, D.
72Falletti, L.
73Favuzzi, C.
74Fegan, S. J.
75Ferrara, E. C.
76Focke, W. B.
77Fortin, P.
78Frailis, M.
79Fukazawa, Y.
80Funk, S.
81Fusco, P.
82Gargano, F.
83Gasparrini, D.
84Gehrels, N.
85Germani, S.
86Giebels, B.
87Giglietto, N.
88Giommi, P.
89Giordano, F.
90Giroletti, M.
91Glanzman, T.
92Godfrey, G.
93Grenier, I. A.
94Grondin, M.-H.
95Grove, J. E.
96Guillemot, L.
97Guiriec, S.
98Gustafsson, M.
99Hadasch, D.
100...
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0Nolan
1Abdo
2Ackermann
3Ajello
4Allafort
5Antolini
6Atwood
7Axelsson
8Baldini
9Ballet
10Barbiellini
11Bastieri
12Bechtol
13Belfiore
14Bellazzini
15Berenji
16Bignami
17Blandford
18Bloom
19Bonamente
20Bonnell
21Borgland
22Bottacini
23Bouvier
24Brandt
25Bregeon
26Brigida
27Bruel
28Buehler
29Burnett
30Buson
31Caliandro
32Cameron
33Campana
34Cañadas
35Cannon
36Caraveo
37Casandjian
38Cavazzuti
39Ceccanti
40Cecchi
41Çelik
42Charles
43Chekhtman
44Cheung
45Chiang
46Chipaux
47Ciprini
48Claus
49Cohen-Tanugi
50Cominsky
51Conrad
52Corbet
53Cutini
54D'Ammando
55Davis
56de Angelis
57DeCesar
58DeKlotz
59De Luca
60den Hartog
61de Palma
62Dermer
63Digel
64do Couto e Silva
65Drell
66Drlica-Wagner
67Dubois
68Dumora
69Enoto
70Escande
71Fabiani
72Falletti
73Favuzzi
74Fegan
75Ferrara
76Focke
77Fortin
78Frailis
79Fukazawa
80Funk
81Fusco
82Gargano
83Gasparrini
84Gehrels
85Germani
86Giebels
87Giglietto
88Giommi
89Giordano
90Giroletti
91Glanzman
92Godfrey
93Grenier
94Grondin
95Grove
96Guillemot
97Guiriec
98Gustafsson
99Hadasch
100...
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0P. L.
1A. A.
2M.
3A.
4E.
5W. B.
6L.
7J.
8G.
9D.
10K.
11R.
12B.
13G. F.
14R. D.
15E. D.
16A. W.
17T. J.
18P.
19T. H.
20S.
21G. A.
22R. A.
23P. A.
24J. M.
25C.
26Ö.
27C. C.
28L. R.
29F.
30D. S.
31M. E.
32P. R.
33C. D.
34S. W.
35P. S.
36T.
37S. J.
38E. C.
39Y.
40N.
41I. A.
42M.-H.
43J. E.
44A. K.
45A. B.
46X.
47R. E.
48R. P.
49T. E.
50A. S.
51H.
52A. M.
53M. N.
54G. M.
55W.
56P. F.
57I. V.
58J. P.
59J. F.
60J. H.
61J. S.
62T. A.
63J. L.
64O.
65L. S.
66R. W.
67H. F.-W.
68D. A.
69P. M.
70J. D.
71T. L.
72M. S.
73E. J.
74D. J.
75J. G.
76J. B.
77D. F.
78V.
79A. P.
80B. L.
81D. L.
82K. S.
83Z.
au
0Nolan, P. L.
1Abdo, A. A.
2Ackermann, M.
3Ajello, M.
4Allafort, A.
5Antolini, E.
6Atwood, W. B.
7Axelsson, M.
8Baldini, L.
9Ballet, J.
10Barbiellini, G.
11Bastieri, D.
12Bechtol, K.
13Belfiore, A.
14Bellazzini, R.
15Berenji, B.
16Bignami, G. F.
17Blandford, R. D.
18Bloom, E. D.
19Bonamente, E.
20Bonnell, J.
21Borgland, A. W.
22Bottacini, E.
23Bouvier, A.
24Brandt, T. J.
25Bregeon, J.
26Brigida, M.
27Bruel, P.
28Buehler, R.
29Burnett, T. H.
30Buson, S.
31Caliandro, G. A.
32Cameron, R. A.
33Campana, R.
34Cañadas, B.
35Cannon, A.
36Caraveo, P. A.
37Casandjian, J. M.
38Cavazzuti, E.
39Ceccanti, M.
40Cecchi, C.
41Çelik, Ö.
42Charles, E.
43Chekhtman, A.
44Cheung, C. C.
45Chiang, J.
46Chipaux, R.
47Ciprini, S.
48Claus, R.
49Cohen-Tanugi, J.
50Cominsky, L. R.
51Conrad, J.
52Corbet, R.
53Cutini, S.
54D'Ammando, F.
55Davis, D. S.
56de Angelis, A.
57DeCesar, M. E.
58DeKlotz, M.
59De Luca, A.
60den Hartog, P. R.
61de Palma, F.
62Dermer, C. D.
63Digel, S. W.
64do Couto e Silva, E.
65Drell, P. S.
66Drlica-Wagner, A.
67Dubois, R.
68Dumora, D.
69Enoto, T.
70Escande, L.
71Fabiani, D.
72Falletti, L.
73Favuzzi, C.
74Fegan, S. J.
75Ferrara, E. C.
76Focke, W. B.
77Fortin, P.
78Frailis, M.
79Fukazawa, Y.
80Funk, S.
81Fusco, P.
82Gargano, F.
83Gasparrini, D.
84Gehrels, N.
85Germani, S.
86Giebels, B.
87Giglietto, N.
88Giommi, P.
89Giordano, F.
90Giroletti, M.
91Glanzman, T.
92Godfrey, G.
93Grenier, I. A.
94Grondin, M.-H.
95Grove, J. E.
96Guillemot, L.
97Guiriec, S.
98Gustafsson, M.
99Hadasch, D.
100...
atitleFERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG We dedicate this paper to the memory of our colleague Patrick Nolan, who died on 2011 November 6. His career spanned much of the history of high-energy astronomy from space and his work on the Large Area Telescope (LAT) began nearly 20 years ago when it was just a concept. Pat was a central member in the operation of the LAT collaboration and he is greatly missed.
jtitleThe Astrophysical Journal Supplement Series
stitleFERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG
risdate20120401
volume199
issue2
spage31
pages46
issn0067-0049
eissn1538-4365
formatjournal
genrearticle
ristypeJOUR
abstractWe present the second catalog of high-energy -ray sources detected by the Large Area Telescope (LAT), the primary science instrument on the Fermi Gamma-ray Space Telescope (Fermi) , derived from data taken during the first 24 months of the science phase of the mission, which began on 2008 August 4. Source detection is based on the average flux over the 24 month period. The second Fermi -LAT catalog (2FGL) includes source location regions, defined in terms of elliptical fits to the 95% confidence regions and spectral fits in terms of power-law, exponentially cutoff power-law, or log-normal forms. Also included are flux measurements in five energy bands and light curves on monthly intervals for each source. Twelve sources in the catalog are modeled as spatially extended. We provide a detailed comparison of the results from this catalog with those from the first Fermi -LAT catalog (1FGL). Although the diffuse Galactic and isotropic models used in the 2FGL analysis are improved compared to the 1FGL catalog, we attach caution flags to 162 of the sources to indicate possible confusion with residual imperfections in the diffuse model. The 2FGL catalog contains 1873 sources detected and characterized in the 100 MeV to 100 GeV range of which we consider 127 as being firmly identified and 1171 as being reliably associated with counterparts of known or likely -ray-producing source classes.
doi10.1088/0067-0049/199/2/31
orcidid0000-0002-0014-7809: 0000-0001-6885-7156
date2012-04-01