Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar

@article{Clark2018EinsteinHomeDA,
  title={Einstein@Home discovers a radio-quiet gamma-ray millisecond pulsar},
  author={Colin J. Clark and H. J. Pletsch and Jason Wu and Lucas Guillemot and Matthew Kerr and Tyrel J. Johnson and Fernando Camilo and David Salvetti and Bruce Allen and David Anderson and C. Aulbert and C. Beer and Oliver Bock and Andres Cu{\'e}llar and H. B. Eggenstein and H. Fehrmann and Michael Kramer and S. Kwang and B. Machenschalk and Lars Nieder and Markus Ackermann and Marco Ajello and Luca Baldini and Jean Ballet and Guido Barbiellini and Denis Bastieri and Ronaldo Bellazzini and Elisabetta Bissaldi and Roger D. Blandford and Elliott D. Bloom and Raffaella Bonino and Eugenio Bottacini and Theresa J. Brandt and Johan Bregeon and Philippe Bruel and Rolf Buehler and Toby Burnett and Sara Buson and R. A. Cameron and Regina Caputo and Patrizia A. Caraveo and Elisabetta Cavazzuti and Claudia Cecchi and Eric Charles and A. Chekhtman and Stefano Ciprini and Lynn R. Cominsky and Denise Costantin and S. Cutini and Filippo D’Ammando and Andrea De Luca and R. Desiante and Leonardo Di Venere and Mattia Di Mauro and Niccolo’ Di Lalla and S. W. Digel and Cecilia Favuzzi and Elizabeth C. Ferrara and Anna Franckowiak and Yasushi Fukazawa and Stefan Funk and Piergiorgio Fusco and Fabio Gargano and Dario Gasparrini and Nicola Giglietto and Francesco Giordano and Marcello Giroletti and Germ{\'a}n A. G{\'o}mez-Vargas and D. Green and Isabelle A. Grenier and Sylvain Guiriec and Alice K. Harding and John W. Hewitt and Deirdre Horan and Guðlaugur J{\'o}hannesson and Shiki Kensei and Michael Kuss and Giovanni La Mura and Stefan Larsson and Luca Latronico and Jian Li and Francesco Longo and Francesco Loparco and Michael N. Lovellette and Pasquale Lubrano and J. D. Magill and Simone Maldera and Alberto Manfreda and Mario Nicola Mazziotta and Julie Mcenery and P. F. Michelson and Nestor Mirabal and W. Mitthumsiri and Tsunefumi Mizuno and M. E. Monzani and A. Morselli and Igor V. Moskalenko and Eric Nuss and Takashi Ohsugi and Nicola Omodei and Monica Orienti and E. Orlando and M. Palatiello and Vaidehi S. Paliya and Francesco de Palma and D. Paneque and Jeremy S. Perkins and Massimo Persic and Melissa Pesce-Rollins and Troy A. Porter and Giacomo Principe and S. Rain{\'o} and Riccardo Rando and Paul. S. Ray and Massimiliano Razzano and Anita Reimer and O. Reimer and Roger W. Romani and Pablo M. Saz Parkinson and Carmelo Sgro’ and Eric J. Siskind and David A. Smith and Francesca R. Spada and Gloria Spandre and Paolo Spinelli and Jana Thayer and David J. Thompson and Diego F. Torres and Eleonora Troja and Giacomo Vianello and Kent S. Wood and Matthew J.A. Wood},
  journal={Science Advances},
  year={2018},
  volume={4}
}
A citizen science project discovers a new type of gamma-ray millisecond pulsar with no detectable radio pulsations. Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsations have been detected from all rotation-powered MSPs. In an attempt to discover radio-quiet gamma-ray MSPs, we used the aggregated power from the computers of tens of thousands of volunteers… 
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A computing-intensive blind search of gamma-ray data from the Fermi Large Area Telescope detected a 2.5-millisecond pulsar, PSR J1311−3430, which unambiguously explains a formerly unidentified Gamma-ray source that had been a decade-long enigma, confirming previous conjectures.
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