Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni

A. A. Abdo, M. Ackermann, M. Ajello, W. B. Atwood, L. Baldini, J. Ballet, G. Barbiellini, D. Bastieri, K. Bechtol, R. Bellazzini, B. Berenji, R. D. Blandford, E. D. Bloom, E. Bonamente, A. W. Borgland, A. Bouvier, T. J. Brandt, J. Bregeon, A. Brez, M. Brigida & 200 others P. Bruel, R. Buehler, T. H. Burnett, S. Buson, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, S. Carrigan, J. M. Casandjian, C. Cecchi, Ö Çelik, E. Charles, S. Chaty, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, J. Cohen-Tanugi, J. Conrad, S. Corbel, R. Corbet, M. E. DeCesar, P. R. Den Hartog, C. D. Dermer, F. De Palma, S. W. Digel, D. Donato, E. Do Couto E Silva, P. S. Drell, R. Dubois, G. Dubus, D. Dumora, C. Favuzzi, S. J. Fegan, E. C. Ferrara, P. Fortin, M. Frailis, L. Fuhrmann, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, S. Germani, N. Giglietto, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier, M. H. Grondin, J. E. Grove, S. Guiriec, D. Hadasch, A. K. Harding, M. Hayashida, E. Hays, S. E. Healey, A. B. Hill, D. Horan, R. E. Hughes, R. Itoh, P. Jean, G. Jóhannesson, A. S. Johnson, R. P. Johnson, T. J. Johnson, W. N. Johnson, T. Kamae, H. Katagiri, J. Kataoka, M. Kerr, J. Knödlseder, E. Koerding, M. Kuss, J. Lande, L. Latronico, S. H. Lee, M. Lemoine-Goumard, M. Llena Garde, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, A. Makeev, M. N. Mazziotta, W. McConville, J. E. McEnery, J. Mehault, P. F. Michelson, T. Mizuno, A. A. Moiseev, C. Monte, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, T. Nakamori, M. Naumann-Godo, I. Nestoras, P. L. Nolan, J. P. Norris, E. Nuss, M. Ohno, T. Ohsugi, A. Okumura, N. Omodei, E. Orlando, J. F. Ormes, M. Ozaki, D. Paneque, J. H. Panetta, D. Parent, V. Pelassa, M. Pepe, M. Pesce-Rollins, F. Piron, T. A. Porter, S. Rainò, R. Rando, P. S. Ray, M. Razzano, S. Razzaque, N. Rea, A. Reimer, O. Reimer, T. Reposeur, J. Ripken, S. Ritz, R. W. Romani, M. Roth, H. F.W. Sadrozinski, A. Sander, P. M. Saz Parkinson, J. D. Scargle, F. K. Schinzel, C. Sgrò, M. S. Shaw, E. J. Siskind, D. A. Smith, P. D. Smith, K. V. Sokolovsky, G. Spandre, P. Spinelli, Stawarz, M. S. Strickman, D. J. Suson, H. Takahashi, T. Takahashi, T. Tanaka, Y. Tanaka, J. B. Thayer, J. G. Thayer, D. J. Thompson, L. Tibaldo, D. F. Torres, G. Tosti, A. Tramacere, Y. Uchiyama, T. L. Usher, J. Vandenbroucke, V. Vasileiou, N. Vilchez, V. Vitale, A. P. Waite, E. Wallace, P. Wang, B. L. Winer, M. T. Wolff, K. S. Wood, Z. Yang, T. Ylinen, M. Ziegler, H. Maehara, K. Nishiyama, F. Kabashima, U. Bach, G. C. Bower, Abraham David Falcone, J. R. Forster, A. Henden, K. S. Kawabata, P. Koubsky, K. Mukai, T. Nelson, S. R. Oates, K. Sakimoto, M. Sasada, V. I. Shenavrin, S. N. Shore, G. K. Skinner, J. Sokoloski, M. Stroh, A. M. Tatarnikov, M. Uemura, G. M. Wahlgren, M. Yamanaka

Research output: Contribution to journalArticle

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Abstract

Novae are thermonuclear explosions on a white dwarf surface fueled by mass accreted from a companion star. Current physical models posit that shocked expanding gas from the nova shell can produce x-ray emission, but emission at higher energies has not been widely expected. Here, we report the Fermi Large Area Telescope detection of variable γ-ray emission (0.1 to 10 billion electron volts) from the recently detected optical nova of the symbiotic star V407 Cygni. We propose that the material of the nova shell interacts with the dense ambient medium of the red giant primary and that particles can be accelerated effectively to produce π0 decay γ-rays from proton-proton interactions. Emission involving inverse Compton scattering of the red giant radiation is also considered and is not ruled out.

Original languageEnglish (US)
Pages (from-to)817-821
Number of pages5
JournalScience
Volume329
Issue number5993
DOIs
StatePublished - Aug 13 2010

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Gamma Rays
Protons
Telescopes
Explosions
Gases
X-Rays
Electrons
Radiation

All Science Journal Classification (ASJC) codes

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Abdo, A. A., Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., ... Yamanaka, M. (2010). Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni. Science, 329(5993), 817-821. https://doi.org/10.1126/science.1192537
Abdo, A. A. ; Ackermann, M. ; Ajello, M. ; Atwood, W. B. ; Baldini, L. ; Ballet, J. ; Barbiellini, G. ; Bastieri, D. ; Bechtol, K. ; Bellazzini, R. ; Berenji, B. ; Blandford, R. D. ; Bloom, E. D. ; Bonamente, E. ; Borgland, A. W. ; Bouvier, A. ; Brandt, T. J. ; Bregeon, J. ; Brez, A. ; Brigida, M. ; Bruel, P. ; Buehler, R. ; Burnett, T. H. ; Buson, S. ; Caliandro, G. A. ; Cameron, R. A. ; Caraveo, P. A. ; Carrigan, S. ; Casandjian, J. M. ; Cecchi, C. ; Çelik, Ö ; Charles, E. ; Chaty, S. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Conrad, J. ; Corbel, S. ; Corbet, R. ; DeCesar, M. E. ; Den Hartog, P. R. ; Dermer, C. D. ; De Palma, F. ; Digel, S. W. ; Donato, D. ; Do Couto E Silva, E. ; Drell, P. S. ; Dubois, R. ; Dubus, G. ; Dumora, D. ; Favuzzi, C. ; Fegan, S. J. ; Ferrara, E. C. ; Fortin, P. ; Frailis, M. ; Fuhrmann, L. ; Fukazawa, Y. ; Funk, S. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Gehrels, N. ; Germani, S. ; Giglietto, N. ; Giordano, F. ; Giroletti, M. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grondin, M. H. ; Grove, J. E. ; Guiriec, S. ; Hadasch, D. ; Harding, A. K. ; Hayashida, M. ; Hays, E. ; Healey, S. E. ; Hill, A. B. ; Horan, D. ; Hughes, R. E. ; Itoh, R. ; Jean, P. ; Jóhannesson, G. ; Johnson, A. S. ; Johnson, R. P. ; Johnson, T. J. ; Johnson, W. N. ; Kamae, T. ; Katagiri, H. ; Kataoka, J. ; Kerr, M. ; Knödlseder, J. ; Koerding, E. ; Kuss, M. ; Lande, J. ; Latronico, L. ; Lee, S. H. ; Lemoine-Goumard, M. ; Llena Garde, M. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Makeev, A. ; Mazziotta, M. N. ; McConville, W. ; McEnery, J. E. ; Mehault, J. ; Michelson, P. F. ; Mizuno, T. ; Moiseev, A. A. ; Monte, C. ; Monzani, M. E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nakamori, T. ; Naumann-Godo, M. ; Nestoras, I. ; Nolan, P. L. ; Norris, J. P. ; Nuss, E. ; Ohno, M. ; Ohsugi, T. ; Okumura, A. ; Omodei, N. ; Orlando, E. ; Ormes, J. F. ; Ozaki, M. ; Paneque, D. ; Panetta, J. H. ; Parent, D. ; Pelassa, V. ; Pepe, M. ; Pesce-Rollins, M. ; Piron, F. ; Porter, T. A. ; Rainò, S. ; Rando, R. ; Ray, P. S. ; Razzano, M. ; Razzaque, S. ; Rea, N. ; Reimer, A. ; Reimer, O. ; Reposeur, T. ; Ripken, J. ; Ritz, S. ; Romani, R. W. ; Roth, M. ; Sadrozinski, H. F.W. ; Sander, A. ; Saz Parkinson, P. M. ; Scargle, J. D. ; Schinzel, F. K. ; Sgrò, C. ; Shaw, M. S. ; Siskind, E. J. ; Smith, D. A. ; Smith, P. D. ; Sokolovsky, K. V. ; Spandre, G. ; Spinelli, P. ; Stawarz ; Strickman, M. S. ; Suson, D. J. ; Takahashi, H. ; Takahashi, T. ; Tanaka, T. ; Tanaka, Y. ; Thayer, J. B. ; Thayer, J. G. ; Thompson, D. J. ; Tibaldo, L. ; Torres, D. F. ; Tosti, G. ; Tramacere, A. ; Uchiyama, Y. ; Usher, T. L. ; Vandenbroucke, J. ; Vasileiou, V. ; Vilchez, N. ; Vitale, V. ; Waite, A. P. ; Wallace, E. ; Wang, P. ; Winer, B. L. ; Wolff, M. T. ; Wood, K. S. ; Yang, Z. ; Ylinen, T. ; Ziegler, M. ; Maehara, H. ; Nishiyama, K. ; Kabashima, F. ; Bach, U. ; Bower, G. C. ; Falcone, Abraham David ; Forster, J. R. ; Henden, A. ; Kawabata, K. S. ; Koubsky, P. ; Mukai, K. ; Nelson, T. ; Oates, S. R. ; Sakimoto, K. ; Sasada, M. ; Shenavrin, V. I. ; Shore, S. N. ; Skinner, G. K. ; Sokoloski, J. ; Stroh, M. ; Tatarnikov, A. M. ; Uemura, M. ; Wahlgren, G. M. ; Yamanaka, M. / Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni. In: Science. 2010 ; Vol. 329, No. 5993. pp. 817-821.
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title = "Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni",
abstract = "Novae are thermonuclear explosions on a white dwarf surface fueled by mass accreted from a companion star. Current physical models posit that shocked expanding gas from the nova shell can produce x-ray emission, but emission at higher energies has not been widely expected. Here, we report the Fermi Large Area Telescope detection of variable γ-ray emission (0.1 to 10 billion electron volts) from the recently detected optical nova of the symbiotic star V407 Cygni. We propose that the material of the nova shell interacts with the dense ambient medium of the red giant primary and that particles can be accelerated effectively to produce π0 decay γ-rays from proton-proton interactions. Emission involving inverse Compton scattering of the red giant radiation is also considered and is not ruled out.",
author = "Abdo, {A. A.} and M. Ackermann and M. Ajello and Atwood, {W. B.} and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and K. Bechtol and R. Bellazzini and B. Berenji and Blandford, {R. D.} and Bloom, {E. D.} and E. Bonamente and Borgland, {A. W.} and A. Bouvier and Brandt, {T. J.} and J. Bregeon and A. Brez and M. Brigida and P. Bruel and R. Buehler and Burnett, {T. H.} and S. Buson and Caliandro, {G. A.} and Cameron, {R. A.} and Caraveo, {P. A.} and S. Carrigan and Casandjian, {J. M.} and C. Cecchi and {\"O} {\cC}elik and E. Charles and S. Chaty and A. Chekhtman and Cheung, {C. C.} and J. Chiang and S. Ciprini and R. Claus and J. Cohen-Tanugi and J. Conrad and S. Corbel and R. Corbet and DeCesar, {M. E.} and {Den Hartog}, {P. R.} and Dermer, {C. D.} and {De Palma}, F. and Digel, {S. W.} and D. Donato and {Do Couto E Silva}, E. and Drell, {P. S.} and R. Dubois and G. Dubus and D. Dumora and C. Favuzzi and Fegan, {S. J.} and Ferrara, {E. C.} and P. Fortin and M. Frailis and L. Fuhrmann and Y. Fukazawa and S. Funk and P. Fusco and F. Gargano and D. Gasparrini and N. Gehrels and S. Germani and N. Giglietto and F. Giordano and M. Giroletti and T. Glanzman and G. Godfrey and Grenier, {I. A.} and Grondin, {M. H.} and Grove, {J. E.} and S. Guiriec and D. Hadasch and Harding, {A. K.} and M. Hayashida and E. Hays and Healey, {S. E.} and Hill, {A. B.} and D. Horan and Hughes, {R. E.} and R. Itoh and P. Jean and G. J{\'o}hannesson and Johnson, {A. S.} and Johnson, {R. P.} and Johnson, {T. J.} and Johnson, {W. N.} and T. Kamae and H. Katagiri and J. Kataoka and M. Kerr and J. Kn{\"o}dlseder and E. Koerding and M. Kuss and J. Lande and L. Latronico and Lee, {S. H.} and M. Lemoine-Goumard and {Llena Garde}, M. and F. Longo and F. Loparco and B. Lott and Lovellette, {M. N.} and P. Lubrano and A. Makeev and Mazziotta, {M. N.} and W. McConville and McEnery, {J. E.} and J. Mehault and Michelson, {P. F.} and T. Mizuno and Moiseev, {A. A.} and C. Monte and Monzani, {M. E.} and A. Morselli and Moskalenko, {I. V.} and S. Murgia and T. Nakamori and M. Naumann-Godo and I. Nestoras and Nolan, {P. L.} and Norris, {J. P.} and E. Nuss and M. Ohno and T. Ohsugi and A. Okumura and N. Omodei and E. Orlando and Ormes, {J. F.} and M. Ozaki and D. Paneque and Panetta, {J. H.} and D. Parent and V. Pelassa and M. Pepe and M. Pesce-Rollins and F. Piron and Porter, {T. A.} and S. Rain{\`o} and R. Rando and Ray, {P. S.} and M. Razzano and S. Razzaque and N. Rea and A. Reimer and O. Reimer and T. Reposeur and J. Ripken and S. Ritz and Romani, {R. W.} and M. Roth and Sadrozinski, {H. F.W.} and A. Sander and {Saz Parkinson}, {P. M.} and Scargle, {J. D.} and Schinzel, {F. K.} and C. Sgr{\`o} and Shaw, {M. S.} and Siskind, {E. J.} and Smith, {D. A.} and Smith, {P. D.} and Sokolovsky, {K. V.} and G. Spandre and P. Spinelli and Stawarz and Strickman, {M. S.} and Suson, {D. J.} and H. Takahashi and T. Takahashi and T. Tanaka and Y. Tanaka and Thayer, {J. B.} and Thayer, {J. G.} and Thompson, {D. J.} and L. Tibaldo and Torres, {D. F.} and G. Tosti and A. Tramacere and Y. Uchiyama and Usher, {T. L.} and J. Vandenbroucke and V. Vasileiou and N. Vilchez and V. Vitale and Waite, {A. P.} and E. Wallace and P. Wang and Winer, {B. L.} and Wolff, {M. T.} and Wood, {K. S.} and Z. Yang and T. Ylinen and M. Ziegler and H. Maehara and K. Nishiyama and F. Kabashima and U. Bach and Bower, {G. C.} and Falcone, {Abraham David} and Forster, {J. R.} and A. Henden and Kawabata, {K. S.} and P. Koubsky and K. Mukai and T. Nelson and Oates, {S. R.} and K. Sakimoto and M. Sasada and Shenavrin, {V. I.} and Shore, {S. N.} and Skinner, {G. K.} and J. Sokoloski and M. Stroh and Tatarnikov, {A. M.} and M. Uemura and Wahlgren, {G. M.} and M. Yamanaka",
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doi = "10.1126/science.1192537",
language = "English (US)",
volume = "329",
pages = "817--821",
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publisher = "American Association for the Advancement of Science",
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Abdo, AA, Ackermann, M, Ajello, M, Atwood, WB, Baldini, L, Ballet, J, Barbiellini, G, Bastieri, D, Bechtol, K, Bellazzini, R, Berenji, B, Blandford, RD, Bloom, ED, Bonamente, E, Borgland, AW, Bouvier, A, Brandt, TJ, Bregeon, J, Brez, A, Brigida, M, Bruel, P, Buehler, R, Burnett, TH, Buson, S, Caliandro, GA, Cameron, RA, Caraveo, PA, Carrigan, S, Casandjian, JM, Cecchi, C, Çelik, Ö, Charles, E, Chaty, S, Chekhtman, A, Cheung, CC, Chiang, J, Ciprini, S, Claus, R, Cohen-Tanugi, J, Conrad, J, Corbel, S, Corbet, R, DeCesar, ME, Den Hartog, PR, Dermer, CD, De Palma, F, Digel, SW, Donato, D, Do Couto E Silva, E, Drell, PS, Dubois, R, Dubus, G, Dumora, D, Favuzzi, C, Fegan, SJ, Ferrara, EC, Fortin, P, Frailis, M, Fuhrmann, L, Fukazawa, Y, Funk, S, Fusco, P, Gargano, F, Gasparrini, D, Gehrels, N, Germani, S, Giglietto, N, Giordano, F, Giroletti, M, Glanzman, T, Godfrey, G, Grenier, IA, Grondin, MH, Grove, JE, Guiriec, S, Hadasch, D, Harding, AK, Hayashida, M, Hays, E, Healey, SE, Hill, AB, Horan, D, Hughes, RE, Itoh, R, Jean, P, Jóhannesson, G, Johnson, AS, Johnson, RP, Johnson, TJ, Johnson, WN, Kamae, T, Katagiri, H, Kataoka, J, Kerr, M, Knödlseder, J, Koerding, E, Kuss, M, Lande, J, Latronico, L, Lee, SH, Lemoine-Goumard, M, Llena Garde, M, Longo, F, Loparco, F, Lott, B, Lovellette, MN, Lubrano, P, Makeev, A, Mazziotta, MN, McConville, W, McEnery, JE, Mehault, J, Michelson, PF, Mizuno, T, Moiseev, AA, Monte, C, Monzani, ME, Morselli, A, Moskalenko, IV, Murgia, S, Nakamori, T, Naumann-Godo, M, Nestoras, I, Nolan, PL, Norris, JP, Nuss, E, Ohno, M, Ohsugi, T, Okumura, A, Omodei, N, Orlando, E, Ormes, JF, Ozaki, M, Paneque, D, Panetta, JH, Parent, D, Pelassa, V, Pepe, M, Pesce-Rollins, M, Piron, F, Porter, TA, Rainò, S, Rando, R, Ray, PS, Razzano, M, Razzaque, S, Rea, N, Reimer, A, Reimer, O, Reposeur, T, Ripken, J, Ritz, S, Romani, RW, Roth, M, Sadrozinski, HFW, Sander, A, Saz Parkinson, PM, Scargle, JD, Schinzel, FK, Sgrò, C, Shaw, MS, Siskind, EJ, Smith, DA, Smith, PD, Sokolovsky, KV, Spandre, G, Spinelli, P, Stawarz, Strickman, MS, Suson, DJ, Takahashi, H, Takahashi, T, Tanaka, T, Tanaka, Y, Thayer, JB, Thayer, JG, Thompson, DJ, Tibaldo, L, Torres, DF, Tosti, G, Tramacere, A, Uchiyama, Y, Usher, TL, Vandenbroucke, J, Vasileiou, V, Vilchez, N, Vitale, V, Waite, AP, Wallace, E, Wang, P, Winer, BL, Wolff, MT, Wood, KS, Yang, Z, Ylinen, T, Ziegler, M, Maehara, H, Nishiyama, K, Kabashima, F, Bach, U, Bower, GC, Falcone, AD, Forster, JR, Henden, A, Kawabata, KS, Koubsky, P, Mukai, K, Nelson, T, Oates, SR, Sakimoto, K, Sasada, M, Shenavrin, VI, Shore, SN, Skinner, GK, Sokoloski, J, Stroh, M, Tatarnikov, AM, Uemura, M, Wahlgren, GM & Yamanaka, M 2010, 'Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni', Science, vol. 329, no. 5993, pp. 817-821. https://doi.org/10.1126/science.1192537

Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni. / Abdo, A. A.; Ackermann, M.; Ajello, M.; Atwood, W. B.; Baldini, L.; Ballet, J.; Barbiellini, G.; Bastieri, D.; Bechtol, K.; Bellazzini, R.; Berenji, B.; Blandford, R. D.; Bloom, E. D.; Bonamente, E.; Borgland, A. W.; Bouvier, A.; Brandt, T. J.; Bregeon, J.; Brez, A.; Brigida, M.; Bruel, P.; Buehler, R.; Burnett, T. H.; Buson, S.; Caliandro, G. A.; Cameron, R. A.; Caraveo, P. A.; Carrigan, S.; Casandjian, J. M.; Cecchi, C.; Çelik, Ö; Charles, E.; Chaty, S.; Chekhtman, A.; Cheung, C. C.; Chiang, J.; Ciprini, S.; Claus, R.; Cohen-Tanugi, J.; Conrad, J.; Corbel, S.; Corbet, R.; DeCesar, M. E.; Den Hartog, P. R.; Dermer, C. D.; De Palma, F.; Digel, S. W.; Donato, D.; Do Couto E Silva, E.; Drell, P. S.; Dubois, R.; Dubus, G.; Dumora, D.; Favuzzi, C.; Fegan, S. J.; Ferrara, E. C.; Fortin, P.; Frailis, M.; Fuhrmann, L.; Fukazawa, Y.; Funk, S.; Fusco, P.; Gargano, F.; Gasparrini, D.; Gehrels, N.; Germani, S.; Giglietto, N.; Giordano, F.; Giroletti, M.; Glanzman, T.; Godfrey, G.; Grenier, I. A.; Grondin, M. H.; Grove, J. E.; Guiriec, S.; Hadasch, D.; Harding, A. K.; Hayashida, M.; Hays, E.; Healey, S. E.; Hill, A. B.; Horan, D.; Hughes, R. E.; Itoh, R.; Jean, P.; Jóhannesson, G.; Johnson, A. S.; Johnson, R. P.; Johnson, T. J.; Johnson, W. N.; Kamae, T.; Katagiri, H.; Kataoka, J.; Kerr, M.; Knödlseder, J.; Koerding, E.; Kuss, M.; Lande, J.; Latronico, L.; Lee, S. H.; Lemoine-Goumard, M.; Llena Garde, M.; Longo, F.; Loparco, F.; Lott, B.; Lovellette, M. N.; Lubrano, P.; Makeev, A.; Mazziotta, M. N.; McConville, W.; McEnery, J. E.; Mehault, J.; Michelson, P. F.; Mizuno, T.; Moiseev, A. A.; Monte, C.; Monzani, M. E.; Morselli, A.; Moskalenko, I. V.; Murgia, S.; Nakamori, T.; Naumann-Godo, M.; Nestoras, I.; Nolan, P. L.; Norris, J. P.; Nuss, E.; Ohno, M.; Ohsugi, T.; Okumura, A.; Omodei, N.; Orlando, E.; Ormes, J. F.; Ozaki, M.; Paneque, D.; Panetta, J. H.; Parent, D.; Pelassa, V.; Pepe, M.; Pesce-Rollins, M.; Piron, F.; Porter, T. A.; Rainò, S.; Rando, R.; Ray, P. S.; Razzano, M.; Razzaque, S.; Rea, N.; Reimer, A.; Reimer, O.; Reposeur, T.; Ripken, J.; Ritz, S.; Romani, R. W.; Roth, M.; Sadrozinski, H. F.W.; Sander, A.; Saz Parkinson, P. M.; Scargle, J. D.; Schinzel, F. K.; Sgrò, C.; Shaw, M. S.; Siskind, E. J.; Smith, D. A.; Smith, P. D.; Sokolovsky, K. V.; Spandre, G.; Spinelli, P.; Stawarz; Strickman, M. S.; Suson, D. J.; Takahashi, H.; Takahashi, T.; Tanaka, T.; Tanaka, Y.; Thayer, J. B.; Thayer, J. G.; Thompson, D. J.; Tibaldo, L.; Torres, D. F.; Tosti, G.; Tramacere, A.; Uchiyama, Y.; Usher, T. L.; Vandenbroucke, J.; Vasileiou, V.; Vilchez, N.; Vitale, V.; Waite, A. P.; Wallace, E.; Wang, P.; Winer, B. L.; Wolff, M. T.; Wood, K. S.; Yang, Z.; Ylinen, T.; Ziegler, M.; Maehara, H.; Nishiyama, K.; Kabashima, F.; Bach, U.; Bower, G. C.; Falcone, Abraham David; Forster, J. R.; Henden, A.; Kawabata, K. S.; Koubsky, P.; Mukai, K.; Nelson, T.; Oates, S. R.; Sakimoto, K.; Sasada, M.; Shenavrin, V. I.; Shore, S. N.; Skinner, G. K.; Sokoloski, J.; Stroh, M.; Tatarnikov, A. M.; Uemura, M.; Wahlgren, G. M.; Yamanaka, M.

In: Science, Vol. 329, No. 5993, 13.08.2010, p. 817-821.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni

AU - Abdo, A. A.

AU - Ackermann, M.

AU - Ajello, M.

AU - Atwood, W. B.

AU - Baldini, L.

AU - Ballet, J.

AU - Barbiellini, G.

AU - Bastieri, D.

AU - Bechtol, K.

AU - Bellazzini, R.

AU - Berenji, B.

AU - Blandford, R. D.

AU - Bloom, E. D.

AU - Bonamente, E.

AU - Borgland, A. W.

AU - Bouvier, A.

AU - Brandt, T. J.

AU - Bregeon, J.

AU - Brez, A.

AU - Brigida, M.

AU - Bruel, P.

AU - Buehler, R.

AU - Burnett, T. H.

AU - Buson, S.

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PY - 2010/8/13

Y1 - 2010/8/13

N2 - Novae are thermonuclear explosions on a white dwarf surface fueled by mass accreted from a companion star. Current physical models posit that shocked expanding gas from the nova shell can produce x-ray emission, but emission at higher energies has not been widely expected. Here, we report the Fermi Large Area Telescope detection of variable γ-ray emission (0.1 to 10 billion electron volts) from the recently detected optical nova of the symbiotic star V407 Cygni. We propose that the material of the nova shell interacts with the dense ambient medium of the red giant primary and that particles can be accelerated effectively to produce π0 decay γ-rays from proton-proton interactions. Emission involving inverse Compton scattering of the red giant radiation is also considered and is not ruled out.

AB - Novae are thermonuclear explosions on a white dwarf surface fueled by mass accreted from a companion star. Current physical models posit that shocked expanding gas from the nova shell can produce x-ray emission, but emission at higher energies has not been widely expected. Here, we report the Fermi Large Area Telescope detection of variable γ-ray emission (0.1 to 10 billion electron volts) from the recently detected optical nova of the symbiotic star V407 Cygni. We propose that the material of the nova shell interacts with the dense ambient medium of the red giant primary and that particles can be accelerated effectively to produce π0 decay γ-rays from proton-proton interactions. Emission involving inverse Compton scattering of the red giant radiation is also considered and is not ruled out.

UR - http://www.scopus.com/inward/record.url?scp=77955628305&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77955628305&partnerID=8YFLogxK

U2 - 10.1126/science.1192537

DO - 10.1126/science.1192537

M3 - Article

VL - 329

SP - 817

EP - 821

JO - Science

JF - Science

SN - 0036-8075

IS - 5993

ER -

Abdo AA, Ackermann M, Ajello M, Atwood WB, Baldini L, Ballet J et al. Gamma-ray emission concurrent with the nova in the symbiotic binary V407 cygni. Science. 2010 Aug 13;329(5993):817-821. https://doi.org/10.1126/science.1192537