Fermi Detection of a Luminous γ-ray Pulsar in Globular Cluster
- Freire, C. C.P.
- A. Abdo, A.
- Ajello, Marco
- Allafort, A.
- Ballet, Jean
- Barbiellini, Guido
- Bastieri, D.
- Bechtol, K.
- Bellazzini, R.
- D. Blandford, R.
- D. Bloom, E.
- Bonamente, E.
- W. Borgland, A.
- Brigida, M.
- Bruel, Pascal
- Buehler, R.
- Buson, S.
- A. Caliandro, G.
- A. Cameron, R.
- Camilo, F.
- Caraveo, P. A.
- Cecchi, C.
- Çelik, Ö.
- Charles, E.
- Chekhtman, A.
- C. Cheung, C.
- Chian, J.
- Ciprini, S.
- Claus, R.
- Cognard, Ismaël
- Cohen-Tanugi, J.
- R. Cominsky, L.
- de Palma, F.
- D. Dermer, C.
- Do Couto E Silva, E.
- Dormody, M.
- S. Drell, P.
- Dubois, R.
- Dumora, D.
- M. Espinoza, C.
- Favuzzi, C.
- J. Fegan, S.
- C. Ferrara, E.
- B. Focke, W.
- Fortin, P.
- Fukazawa, Y.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Germani, S.
- Giglietto, N.
- Giordano, F.
- Giroletti, M.
- Glanzman, T.
- Godfrey, G.
- A. Grenier, I.
- Grondin, M.-H.
- E. Grove, J.
- Guillemot, L.
- Guiriec, S.
- Hadasch, D.
- K. Harding, A.
- Jóhannesson, G.
- S. Johnson, A.
- J. Johnson, T.
- Johnston, S.
- Katagiri, H.
- Kataoka, J.
- Keith, M.
- Kerr, M.
- Knödlseder, Jürgen
- Kramer, M.
- Kuss, M.
- Lande, J.
- Latronico, L.
- Lee, S.-H.
- Lemoine-Goumard, M.
- Longo, F.
- Loparco, F.
- N. Lovellette, M.
- Lubrano, P.
- G. Lyne, A.
- N. Manchester, R.
- Marelli, M.
- N. Mazziotta, M.
- E. Mcenery, J.
- F. Michelson, P.
- Mizuno, T.
- A. Moiseev, A.
- Monte, C.
- E. Monzani, M.
- Morselli, A.
- V. Moskalenko, I.
- Murgia, S.
- Nakamori, T.
- L. Nolan, P.
- P. Norris, J.
- Nuss, E.
- Ohsugi, T.
- Okumura, A.
- Omodei, N.
- Orlando, E.
- Ozaki, M.
- Paneque, D.
- Parent, D.
- Pesce-Rollins, M.
- Pierbattista, M.
- Piron, F.
- Porter, T.A.
- Rainò, S.
- M. Ransom, S.
- S. Ray, P.
- Reimer, A.
- Reimer, O.
- Reposeur, T.
- Ritz, S.
- W. Romani, R.
- Roth, M.
- F.-W. Sadrozinski, H.
- M. Saz Parkinson, P.
- Sgrò, C.
- Shannon, R.
- J. Siskind, E.
- Smith, David Stanley
- D. Smith, P.
- Spinelli, P.
- W. Stappers, B.
- J. Suson, D.
- Takahashi, H.
- Tanaka, T.
- M. Tauris, T.
- B. Thayer, J.
- Theureau, Gilles
- J. Thompson, D.
- E. Thorsett, S.
- Tibaldo, L.
- F. Torres, D.
- Tosti, G.
- Troja, E.
- Vandenbroucke, J.
- van Etten, A.
- Vasileiou, V.
- Venter, C.
- Vianello, G.
- Vilchez, N.
- Vitale, V.
- P. Waite, A.
- Wang, P.
- S. Wood, K.
- Yang, Z.
- Ziegler, M.
- Zimmer, S.
DOIAbstract
We report the Fermi Large Area Telescope detection of γ-ray (>100 MeV) pulsations from pulsar J1823−3021A in the globular cluster NGC 6624 with high significance (∼7 σ). Its γ-ray luminosity Lγ = (8.4 ±1.6) × 1034 erg s−1 is the highest observed for any millisecond pulsar (MSP) to date, and it accounts for most of the cluster emission. The nondetection of the cluster in the off-pulse phase implies that it contains <32 γ-ray MSPs, not ∼100 as previously estimated. The γ-ray luminosity indicates that the unusually large rate of change of its period is caused by its intrinsic spin-down. This implies that J1823−3021A has the largest magnetic field and is the youngest MSP ever detected and that such anomalous objects might be forming at rates co...
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