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Detection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi

We report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17sigma from the globular cluster 47 Tucanae, using data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. Globular clusters are expected to emit gamma rays becaus... Full description

Journal Title: Science (New York N.Y.), 14 August 2009, Vol.325(5942), pp.845-8
Main Author: Abdo, A A
Other Authors: Ackermann, M , Ajello, M , Atwood, W B , Axelsson, M , Baldini, L , Ballet, J , Barbiellini, G , Bastieri, D , Baughman, B M , Bechtol, K , Bellazzini, R , Berenji, B , Blandford, R D , Bloom, E D , Bonamente, E , Borgland, A W , Bregeon, J , Brez, A , Brigida, M , Bruel, P , Burnett, T H , Caliandro, G A , Cameron, R A , Caraveo, P A , Casandjian, J M , Cecchi, C , Celik, O , Charles, E , Chaty, S , Chekhtman, A , Cheung, C C , Chiang, J , Ciprini, S , Claus, R , Cohen-Tanugi, J , Conrad, J , Cutini, S , Dermer, C D , De Palma, F , Digel, S W , Dormody, M , Do Couto E Silva, E , Drell, P S , Dubois, R , Dumora, D , Farnier, C , Favuzzi, C , Fegan, S J , Focke, W B , Frailis, M , Fukazawa, Y , Fusco, P , Gargano, F , Gasparrini, D , Gehrels, N , Germani, S , Giebels, B , Giglietto, N , Giordano, F , Glanzman, T , Godfrey, G , Grenier, I A , Grove, J E , Guillemot, L , Guiriec, S , Hanabata, Y , Harding, A K , Hayashida, M , Hays, E , Horan, D , Hughes, R E , Jóhannesson, G , Johnson, A S , Johnson, R P , Johnson, T J , Johnson, W N , Kamae, T , Katagiri, H , Kawai, N , Kerr, M , Knödlseder, J , Kuehn, F , Kuss, M , Lande, J , Latronico, L , Lemoine-Goumard, M , Longo, F , Loparco, F , Lott, B , Lovellette, M N , Lubrano, P , Makeev, A , Mazziotta, M N , Mcconville, W , Mcenery, J E , Meurer, C , Michelson, P F , Mitthumsiri, W , Mizuno, T , Moiseev, A A , Monte, C , Monzani, M E , Morselli, A , Moskalenko, I V , Murgia, S , Nolan, P L , Norris, J P , Nuss, E , Ohsugi, T , Omodei, N , Orlando, E , Ormes, J F , Paneque, D , Panetta, J H , Parent, D , Pelassa, V , Pepe, M , Pierbattista, M , Piron, F , Porter, T A , Rainò, S , Rando, R , Razzano, M , Rea, N , Reimer, A , Reimer, O , Reposeur, T , Ritz, S , Rochester, L S , Rodriguez, A Y , Romani, R W , Roth, M , Ryde, F , Sadrozinski, H F-W , Sanchez, D , Sander, A , Saz Parkinson, P M , Sgrò, C , Smith, D A , Smith, P D , Spandre, G , Spinelli, P , Starck, J-L , Strickman, M S , Suson, D J , Tajima, H , Takahashi, H , Tanaka, T , Thayer, J B , Thayer, J G , Thompson, D J , Tibaldo, L , Torres, D F , Tosti, G , Tramacere, A , Uchiyama, Y , Usher, T L , Vasileiou, V , Vilchez, N , Vitale, V , Wang, P , Webb, N , Winer, B L , Wood, K S , Ylinen, T , Ziegler, M
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1095-9203 ; PMID: 19679807 Version:1 ; DOI: 10.1126/science.1177023
Link: http://pubmed.gov/19679807
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title: Detection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi
format: Article
creator:
  • Abdo, A A
  • Ackermann, M
  • Ajello, M
  • Atwood, W B
  • Axelsson, M
  • Baldini, L
  • Ballet, J
  • Barbiellini, G
  • Bastieri, D
  • Baughman, B M
  • Bechtol, K
  • Bellazzini, R
  • Berenji, B
  • Blandford, R D
  • Bloom, E D
  • Bonamente, E
  • Borgland, A W
  • Bregeon, J
  • Brez, A
  • Brigida, M
  • Bruel, P
  • Burnett, T H
  • Caliandro, G A
  • Cameron, R A
  • Caraveo, P A
  • Casandjian, J M
  • Cecchi, C
  • Celik, O
  • Charles, E
  • Chaty, S
  • Chekhtman, A
  • Cheung, C C
  • Chiang, J
  • Ciprini, S
  • Claus, R
  • Cohen-Tanugi, J
  • Conrad, J
  • Cutini, S
  • Dermer, C D
  • De Palma, F
  • Digel, S W
  • Dormody, M
  • Do Couto E Silva, E
  • Drell, P S
  • Dubois, R
  • Dumora, D
  • Farnier, C
  • Favuzzi, C
  • Fegan, S J
  • Focke, W B
  • Frailis, M
  • Fukazawa, Y
  • Fusco, P
  • Gargano, F
  • Gasparrini, D
  • Gehrels, N
  • Germani, S
  • Giebels, B
  • Giglietto, N
  • Giordano, F
  • Glanzman, T
  • Godfrey, G
  • Grenier, I A
  • Grove, J E
  • Guillemot, L
  • Guiriec, S
  • Hanabata, Y
  • Harding, A K
  • Hayashida, M
  • Hays, E
  • Horan, D
  • Hughes, R E
  • Jóhannesson, G
  • Johnson, A S
  • Johnson, R P
  • Johnson, T J
  • Johnson, W N
  • Kamae, T
  • Katagiri, H
  • Kawai, N
  • Kerr, M
  • Knödlseder, J
  • Kuehn, F
  • Kuss, M
  • Lande, J
  • Latronico, L
  • Lemoine-Goumard, M
  • Longo, F
  • Loparco, F
  • Lott, B
  • Lovellette, M N
  • Lubrano, P
  • Makeev, A
  • Mazziotta, M N
  • Mcconville, W
  • Mcenery, J E
  • Meurer, C
  • Michelson, P F
  • Mitthumsiri, W
  • Mizuno, T
  • Moiseev, A A
  • Monte, C
  • Monzani, M E
  • Morselli, A
  • Moskalenko, I V
  • Murgia, S
  • Nolan, P L
  • Norris, J P
  • Nuss, E
  • Ohsugi, T
  • Omodei, N
  • Orlando, E
  • Ormes, J F
  • Paneque, D
  • Panetta, J H
  • Parent, D
  • Pelassa, V
  • Pepe, M
  • Pierbattista, M
  • Piron, F
  • Porter, T A
  • Rainò, S
  • Rando, R
  • Razzano, M
  • Rea, N
  • Reimer, A
  • Reimer, O
  • Reposeur, T
  • Ritz, S
  • Rochester, L S
  • Rodriguez, A Y
  • Romani, R W
  • Roth, M
  • Ryde, F
  • Sadrozinski, H F-W
  • Sanchez, D
  • Sander, A
  • Saz Parkinson, P M
  • Sgrò, C
  • Smith, D A
  • Smith, P D
  • Spandre, G
  • Spinelli, P
  • Starck, J-L
  • Strickman, M S
  • Suson, D J
  • Tajima, H
  • Takahashi, H
  • Tanaka, T
  • Thayer, J B
  • Thayer, J G
  • Thompson, D J
  • Tibaldo, L
  • Torres, D F
  • Tosti, G
  • Tramacere, A
  • Uchiyama, Y
  • Usher, T L
  • Vasileiou, V
  • Vilchez, N
  • Vitale, V
  • Wang, P
  • Webb, N
  • Winer, B L
  • Wood, K S
  • Ylinen, T
  • Ziegler, M
subjects:
  • Gamma Ray Astronomy
  • Stars & Galaxies
  • Pulsars
  • Space Telescopes
ispartof: Science (New York, N.Y.), 14 August 2009, Vol.325(5942), pp.845-8
description: We report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17sigma from the globular cluster 47 Tucanae, using data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. Globular clusters are expected to emit gamma rays because of the large populations of millisecond pulsars that they contain. The spectral shape of 47 Tucanae is consistent with gamma-ray emission from a population of millisecond pulsars. The observed gamma-ray luminosity implies an upper limit of 60 millisecond pulsars present in 47 Tucanae.
language: eng
source:
identifier: E-ISSN: 1095-9203 ; PMID: 19679807 Version:1 ; DOI: 10.1126/science.1177023
fulltext: fulltext
issn:
  • 10959203
  • 1095-9203
url: Link


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titleDetection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi
creatorAbdo, A A ; Ackermann, M ; Ajello, M ; Atwood, W B ; Axelsson, M ; Baldini, L ; Ballet, J ; Barbiellini, G ; Bastieri, D ; Baughman, B M ; Bechtol, K ; Bellazzini, R ; Berenji, B ; Blandford, R D ; Bloom, E D ; Bonamente, E ; Borgland, A W ; Bregeon, J ; Brez, A ; Brigida, M ; Bruel, P ; Burnett, T H ; Caliandro, G A ; Cameron, R A ; Caraveo, P A ; Casandjian, J M ; Cecchi, C ; Celik, O ; Charles, E ; Chaty, S ; Chekhtman, A ; Cheung, C C ; Chiang, J ; Ciprini, S ; Claus, R ; Cohen-Tanugi, J ; Conrad, J ; Cutini, S ; Dermer, C D ; De Palma, F ; Digel, S W ; Dormody, M ; Do Couto E Silva, E ; Drell, P S ; Dubois, R ; Dumora, D ; Farnier, C ; Favuzzi, C ; Fegan, S J ; Focke, W B ; Frailis, M ; Fukazawa, Y ; Fusco, P ; Gargano, F ; Gasparrini, D ; Gehrels, N ; Germani, S ; Giebels, B ; Giglietto, N ; Giordano, F ; Glanzman, T ; Godfrey, G ; Grenier, I A ; Grove, J E ; Guillemot, L ; Guiriec, S ; Hanabata, Y ; Harding, A K ; Hayashida, M ; Hays, E ; Horan, D ; Hughes, R E ; Jóhannesson, G ; Johnson, A S ; Johnson, R P ; Johnson, T J ; Johnson, W N ; Kamae, T ; Katagiri, H ; Kawai, N ; Kerr, M ; Knödlseder, J ; Kuehn, F ; Kuss, M ; Lande, J ; Latronico, L ; Lemoine-Goumard, M ; Longo, F ; Loparco, F ; Lott, B ; Lovellette, M N ; Lubrano, P ; Makeev, A ; Mazziotta, M N ; Mcconville, W ; Mcenery, J E ; Meurer, C ; Michelson, P F ; Mitthumsiri, W ; Mizuno, T ; Moiseev, A A ; Monte, C ; Monzani, M E ; Morselli, A ; Moskalenko, I V ; Murgia, S ; Nolan, P L ; Norris, J P ; Nuss, E ; Ohsugi, T ; Omodei, N ; Orlando, E ; Ormes, J F ; Paneque, D ; Panetta, J H ; Parent, D ; Pelassa, V ; Pepe, M ; Pierbattista, M ; Piron, F ; Porter, T A ; Rainò, S ; Rando, R ; Razzano, M ; Rea, N ; Reimer, A ; Reimer, O ; Reposeur, T ; Ritz, S ; Rochester, L S ; Rodriguez, A Y ; Romani, R W ; Roth, M ; Ryde, F ; Sadrozinski, H F-W ; Sanchez, D ; Sander, A ; Saz Parkinson, P M ; Sgrò, C ; Smith, D A ; Smith, P D ; Spandre, G ; Spinelli, P ; Starck, J-L ; Strickman, M S ; Suson, D J ; Tajima, H ; Takahashi, H ; Tanaka, T ; Thayer, J B ; Thayer, J G ; Thompson, D J ; Tibaldo, L ; Torres, D F ; Tosti, G ; Tramacere, A ; Uchiyama, Y ; Usher, T L ; Vasileiou, V ; Vilchez, N ; Vitale, V ; Wang, P ; Webb, N ; Winer, B L ; Wood, K S ; Ylinen, T ; Ziegler, M
ispartofScience (New York, N.Y.), 14 August 2009, Vol.325(5942), pp.845-8
identifier
descriptionWe report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17sigma from the globular cluster 47 Tucanae, using data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. Globular clusters are expected to emit gamma rays because of the large populations of millisecond pulsars that they contain. The spectral shape of 47 Tucanae is consistent with gamma-ray emission from a population of millisecond pulsars. The observed gamma-ray luminosity implies an upper limit of 60 millisecond pulsars present in 47 Tucanae.
languageeng
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subjectGamma Ray Astronomy ; Stars & Galaxies ; Pulsars ; Space Telescopes;
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19Brigida, M
20Bruel, P
21Burnett, T H
22Caliandro, G A
23Cameron, R A
24Caraveo, P A
25Casandjian, J M
26Cecchi, C
27Celik, O
28Charles, E
29Chaty, S
30Chekhtman, A
31Cheung, C C
32Chiang, J
33Ciprini, S
34Claus, R
35Cohen-Tanugi, J
36Conrad, J
37Cutini, S
38Dermer, C D
39de Palma, F
40Digel, S W
41Dormody, M
42do Couto e Silva, E
43Drell, P S
44Dubois, R
45Dumora, D
46Farnier, C
47Favuzzi, C
48Fegan, S J
49Focke, W B
50Frailis, M
51Fukazawa, Y
52Fusco, P
53Gargano, F
54Gasparrini, D
55Gehrels, N
56Germani, S
57Giebels, B
58Giglietto, N
59Giordano, F
60Glanzman, T
61Godfrey, G
62Grenier, I A
63Grove, J E
64Guillemot, L
65Guiriec, S
66Hanabata, Y
67Harding, A K
68Hayashida, M
69Hays, E
70Horan, D
71Hughes, R E
72Jóhannesson, G
73Johnson, A S
74Johnson, R P
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86Lemoine-Goumard, M
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93Mazziotta, M N
94McConville, W
95McEnery, J E
96Meurer, C
97Michelson, P F
98Mitthumsiri, W
99Mizuno, T
100...
titleDetection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi
descriptionWe report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17sigma from the globular cluster 47 Tucanae, using data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. Globular clusters are expected to emit gamma rays because of the large populations of millisecond pulsars that they contain. The spectral shape of 47 Tucanae is consistent with gamma-ray emission from a population of millisecond pulsars. The observed gamma-ray luminosity implies an upper limit of 60 millisecond pulsars present in 47 Tucanae.
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titleDetection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi
authorAbdo, A A ; Ackermann, M ; Ajello, M ; Atwood, W B ; Axelsson, M ; Baldini, L ; Ballet, J ; Barbiellini, G ; Bastieri, D ; Baughman, B M ; Bechtol, K ; Bellazzini, R ; Berenji, B ; Blandford, R D ; Bloom, E D ; Bonamente, E ; Borgland, A W ; Bregeon, J ; Brez, A ; Brigida, M ; Bruel, P ; Burnett, T H ; Caliandro, G A ; Cameron, R A ; Caraveo, P A ; Casandjian, J M ; Cecchi, C ; Celik, O ; Charles, E ; Chaty, S ; Chekhtman, A ; Cheung, C C ; Chiang, J ; Ciprini, S ; Claus, R ; Cohen-Tanugi, J ; Conrad, J ; Cutini, S ; Dermer, C D ; De Palma, F ; Digel, S W ; Dormody, M ; Do Couto E Silva, E ; Drell, P S ; Dubois, R ; Dumora, D ; Farnier, C ; Favuzzi, C ; Fegan, S J ; Focke, W B ; Frailis, M ; Fukazawa, Y ; Fusco, P ; Gargano, F ; Gasparrini, D ; Gehrels, N ; Germani, S ; Giebels, B ; Giglietto, N ; Giordano, F ; Glanzman, T ; Godfrey, G ; Grenier, I A ; Grove, J E ; Guillemot, L ; Guiriec, S ; Hanabata, Y ; Harding, A K ; Hayashida, M ; Hays, E ; Horan, D ; Hughes, R E ; Jóhannesson, G ; Johnson, A S ; Johnson, R P ; Johnson, T J ; Johnson, W N ; Kamae, T ; Katagiri, H ; Kawai, N ; Kerr, M ; Knödlseder, J ; Kuehn, F ; Kuss, M ; Lande, J ; Latronico, L ; Lemoine-Goumard, M ; Longo, F ; Loparco, F ; Lott, B ; Lovellette, M N ; Lubrano, P ; Makeev, A ; Mazziotta, M N ; Mcconville, W ; Mcenery, J E ; Meurer, C ; Michelson, P F ; Mitthumsiri, W ; Mizuno, T ; Moiseev, A A ; Monte, C ; Monzani, M E ; Morselli, A ; Moskalenko, I V ; Murgia, S ; Nolan, P L ; Norris, J P ; Nuss, E ; Ohsugi, T ; Omodei, N ; Orlando, E ; Ormes, J F ; Paneque, D ; Panetta, J H ; Parent, D ; Pelassa, V ; Pepe, M ; Pierbattista, M ; Piron, F ; Porter, T A ; Rainò, S ; Rando, R ; Razzano, M ; Rea, N ; Reimer, A ; Reimer, O ; Reposeur, T ; Ritz, S ; Rochester, L S ; Rodriguez, A Y ; Romani, R W ; Roth, M ; Ryde, F ; Sadrozinski, H F-W ; Sanchez, D ; Sander, A ; Saz Parkinson, P M ; Sgrò, C ; Smith, D A ; Smith, P D ; Spandre, G ; Spinelli, P ; Starck, J-L ; Strickman, M S ; Suson, D J ; Tajima, H ; Takahashi, H ; Tanaka, T ; Thayer, J B ; Thayer, J G ; Thompson, D J ; Tibaldo, L ; Torres, D F ; Tosti, G ; Tramacere, A ; Uchiyama, Y ; Usher, T L ; Vasileiou, V ; Vilchez, N ; Vitale, V ; Wang, P ; Webb, N ; Winer, B L ; Wood, K S ; Ylinen, T ; Ziegler, M
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22C
23O
24S
25C C
26C D
27F
28S W
29P S
30S J
31Y
32N
33T
34I A
35J E
36A K
37R E
38A S
39R P
40T J
41W N
42H
43M N
44W
45P F
46M E
47I V
48P L
49J P
50J F
51J H
52V
53T A
54L S
55A Y
56R W
57H F-W
58P M
59D A
60P D
61J-L
62M S
63D J
64J B
65J G
66D F
67T L
68B L
69K S
au
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63Grove, J E
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70Horan, D
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atitleDetection of high-energy gamma-ray emission from the globular cluster 47 Tucanae with Fermi
jtitleScience (New York, N.Y.)
risdate20090814
volume325
issue5942
spage845
pages845-848
eissn1095-9203
formatjournal
genrearticle
ristypeJOUR
abstractWe report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17sigma from the globular cluster 47 Tucanae, using data obtained with the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. Globular clusters are expected to emit gamma rays because of the large populations of millisecond pulsars that they contain. The spectral shape of 47 Tucanae is consistent with gamma-ray emission from a population of millisecond pulsars. The observed gamma-ray luminosity implies an upper limit of 60 millisecond pulsars present in 47 Tucanae.
doi10.1126/science.1177023
pmid19679807
issn00368075
oafree_for_read
date2009-08-14