Discovery of Pulsed $\gamma$-rays from PSR J0034-0534 with the Fermi LAT: A Case for Co-located Radio and $\gamma$-ray Emission Regions
- A. Abdo, A.
- Ackermann, Markus
- Ajello, Marco
- Allafort, A.
- Baldini, Luca
- Ballet, Jean
- Barbiellini, Guido
- Bastieri, D.
- Bechtol, K.
- Bellazzini, R.
- Berenji, B.
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- D. Bloom, E.
- Bonamente, E.
- W. Borgland, A.
- Bouvier, A.
- Bregeon, J.
- Brez, A.
- Brigida, M.
- Bruel, Pascal
- H. Burnett, T.
- Buson, S.
- A. Caliandro, G.
- A. Cameron, R.
- Camilo, F.
- Caraveo, P. A.
- Carrigan, S.
- M. Casandjian, J.
- Cecchi, C.
- Celik, O.
- Chekhtman, A.
- C. Cheung, C.
- Chiang, J.
- Ciprini, S.
- Claus, R.
- Cognard, Ismaël
- Cohen-Tanugi, J.
- Conrad, J.
- Corbet, R.
- E. Decesar, M.
- D. Dermer, C.
- Desvignes, G.
- de Angelis, A.
- de Palma, F.
- W. Digel, S.
- Dormody, M.
- Do Couto E Silva, E.
- S. Drell, P.
- Dubois, R.
- Dumora, D.
- Espinoza, C.
- Farnier, C.
- Favuzzi, C.
- J. Fegan, S.
- B. Focke, W.
- Frailis, M.
- C. C. Freire, P.
- Fukazawa, Y.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Germani, S.
- Giavitto, G.
- Giglietto, N.
- Giordano, F.
- Glanzman, T.
- Godfrey, G.
- A. Grenier, I.
- Grondin, M.-H.
- E. Grove, J.
- Guillemot, L.
- Guiriec, S.
- Hadasch, D.
- K. Harding, A.
- Hays, E.
- Hobbs, G.
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- E. Hughes, R.
- Johannesson, G.
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- N. Johnson, W.
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- Katagiri, H.
- Kataoka, J.
- Kawai, N.
- Kerr, M.
- Knödlseder, Jürgen
- Kramer, M.
- Kuss, M.
- Lande, J.
- Latronico, L.
- Lemoine-Goumard, M.
- Llena Garde, M.
- Longo, F.
- Loparco, F.
- Lott, B.
- N. Lovellette, M.
- Lubrano, P.
- G. Lyne, A.
- Makeev, A.
- N. Manchester, R.
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- Mizuno, T.
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- E. Monzani, M.
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- Murgia, S.
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- Ozaki, M.
- Paneque, D.
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- Parent, D.
- Pelassa, V.
- Pepe, M.
- Pesce-Rollins, M.
- Pierbattista, M.
- Piron, F.
- Porter, T.A.
- Raino, S.
- Rando, R.
- M. Ransom, S.
- Razzano, M.
- Reimer, A.
- Reimer, O.
- Reposeur, T.
- Ripken, J.
- Ritz, S.
- S. Rochester, L.
- Y. Rodriguez, A.
- W. Romani, R.
- Roth, M.
- Ryde, F.
- F.-W. Sadrozinski, H.
- Sander, A.
- M. Saz Parkinson, P.
- D. Scargle, J.
- Sgro, C.
- J. Siskind, E.
- Smith, David Stanley
- D. Smith, P.
- Spandre, G.
- Spinelli, P.
- W. Stappers, B.
- Starck, Jean-Luc
- S. Strickman, M.
- J. Suson, D.
- Takahashi, H.
- Tanaka, T.
- B. Thayer, J.
- G. Thayer, J.
- Theureau, G.
- J. Thompson, D.
- E. Thorsett, S.
- Tibaldo, L.
- F. Torres, D.
- Tosti, G.
- Tramacere, A.
- L. Usher, T.
- van Etten, A.
- Vasileiou, V.
- Venter, C.
- Vilchez, N.
- Vitale, V.
- P. Waite, A.
- Wallace, E.
- Wang, P.
- Weltevrede, P.
- L. Winer, B.
- S. Wood, K.
- Ylinen, T.
- Ziegler, M.
DOIAbstract
20 pages, 3 figures, 2 tables. Accepted for publication in ApJMillisecond pulsars (MSPs) have been firmly established as a class of gamma-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Using thirteen months of LAT data significant gamma-ray pulsations at the radio period have been detected from the MSP PSR J0034-0534, making it the ninth clear MSP detection by the LAT. The gamma-ray light curve shows two peaks separated by 0.274$\pm$0.015 in phase which are very nearly aligned with the radio peaks, a phenomenon seen only in the Crab pulsar until now. The $\geq$0.1 GeV spectrum of this pulsar is well fit by an exponentially cutoff power law with a cutoff energy of 1.8$\pm 0...
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