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One of the main results of the Fermi Gamma-Ray Space Telescope is the discovery of {\gamma}-ray selected pulsars. The high magnetic field pulsar, PSR J0007+7303 in CTA1, was the first ever to be discovered through its {\gamma}-ray…

High Energy Astrophysical Phenomena · Physics 2015-05-28 A. A. Abdo , K. S. Wood , M. E. DeCesar , F. Gargano , F. Giordano , P. S. Ray , D. Parent , A. K. Harding , M. Coleman Miller , D. L. Wood , M. T. Wolff

We present results of Compton Gamma-Ray Observatory EGRET observations of the unidentified high-energy gamma-ray sources 2EG J1049-5847 (GEV J1047-5840, 3EG J1048-5840) and 2EG J1103-6106 (3EG J1102-6103). These sources are spatially…

Astrophysics · Physics 2009-10-31 V. M. Kaspi , J. R. Lackey , J. Mattox , R. N. Manchester , M. Bailes , R. Pace

Although originally discovered as a radio-quiet gamma-ray pulsar, J1732-3131 has exhibited intriguing detections at decameter wavelengths. We report an extensive follow-up of the pulsar at 327 MHz with the Ooty radio telescope. Using the…

High Energy Astrophysical Phenomena · Physics 2017-08-09 Yogesh Maan , M. A. Krishnakumar , Arun K. Naidu , Subhashis Roy , Bhal Chandra Joshi , Matthew Kerr , P. K. Manoharan

We report the results of a deep XMM-Newton observation of the radio-faint $\gamma$-ray pulsar J1741-2054 and its nebula together with the analysis of 5 years of Fermi LAT data. The X-ray spectrum of the pulsar is consistent with an absorbed…

High Energy Astrophysical Phenomena · Physics 2015-06-19 M. Marelli , A. Belfiore , P. Saz Parkinson , P. Caraveo , A. De Luca , C. Sarazin , D. Salvetti , G. R. Sivakoff , F. Camilo

We report on the \textit{Fermi}-LAT observations of the Geminga pulsar, the second brightest non-variable GeV source in the $\gamma$-ray sky and the first example of a radio-quiet $\gamma$-ray pulsar. The observations cover one year, from…

High Energy Astrophysical Phenomena · Physics 2016-04-13 LAT Collaboration , A. A. Abdo

We report the first detection of pulsed X-ray emission from the young, energetic radio and Gamma-ray pulsar PSR B1706-44. We find a periodic signal at a frequency of f = 9.7588088 +/- 0.0000026 Hz (at epoch 51585.34104 MJD), consistent with…

Astrophysics · Physics 2009-11-07 E. V. Gotthelf , J. P. Halpern , R. Dodson

Based on more than seven years of Fermi Large Area Telescope (LAT) Pass 8 data, we report on a detailed analysis of the bright gamma-ray pulsar (PSR) J0007+7303. We confirm that PSR J0007+7303 is significantly detected as a point source…

High Energy Astrophysical Phenomena · Physics 2017-02-22 Jian Li , Diego F. Torres , Emma de Ona Wilhelmi , Nanda Rea , Jonatan Martin

The First \fermi-LAT Catalog of Sources Above 10 GeV reported evidence of pulsed emission above 25 GeV from 12 pulsars, including the Vela pulsar, which showed evidence of pulsation at $>37$ GeV energy bands. Using 62 months of \fermi-LAT…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Gene C. K. Leung , J. Takata , C. W. Ng , A. K. H Kong , P. H. T. Tam , C. Y. Hui , K. S. Cheng

We report on X-ray and gamma-ray observations of the millisecond pulsar B1937+21 taken with the Chandra X-ray Observatory, XMM-Newton, and the Fermi Large Area Telescope. The pulsar X-ray emission shows a purely non-thermal spectrum with a…

High Energy Astrophysical Phenomena · Physics 2015-06-19 C. -Y. Ng , J. Takata , G. C. K. Leung , K. S. Cheng , P. Philippopoulos

We report the results from our analysis of the \textit{Fermi} Large Area Telescope data of the \textit{Fermi} unassociated source 2FGL J1906.5$+$0720, which is a high-ranked candidate pulsar. In order to better study our target, we first…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Yi Xing , Zhongxiang Wang

We report a 5.4\sigma\ detection of pulsed gamma rays from PSR B1821-24 in the globular cluster M28 using ~44 months of Fermi Large Area Telescope (LAT) data that have been reprocessed with improved instrument calibration constants. We…

The 1.69 ms spin period of PSR J1227-4853 was recently discovered in radio observations of the low-mass X-ray binary XSS J12270-4859 following the announcement of a possible transition to a rotation-powered millisecond pulsar state,…

High Energy Astrophysical Phenomena · Physics 2015-06-12 T. J. Johnson , P. S. Ray , J. Roy , C. C. Cheung , A. K. Harding , H. J. Pletsch , S. Fort , F. Camilo , J. Deneva , B. Bhattacharyya , B. W. Stappers , M. Kerr

In this paper, we report a detailed investigation of the multiwavelength properties of a newly detected gamma-ray pulsar, PSR J2021+4026, in both observational and theoretical aspects. We firstly identify an X-ray source in the XMM-Newton…

High Energy Astrophysical Phenomena · Physics 2010-08-26 L. Trepl , C. Y. Hui , K. S. Cheng , J. Takata , Y. Wang , Z. Y. Liu , N. Wang

The Fermi Large Area Telescope (LAT) has recently reported the detection of pulsed gamma-rays from 6 young pulsars (J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850, and J1718-3825), all exhibiting single-peaked pulse profiles…

High Energy Astrophysical Phenomena · Physics 2011-05-23 A. S. Seyffert , C. Venter , O. C. de Jager , A. K. Harding

We present the detection of pulsed gamma-ray emission from the Crab Pulsar above 100 GeV with the VERITAS array of atmospheric Cherenkov telescopes. Gamma-ray emission at theses energies is not expected in present pulsar models. We find…

High Energy Astrophysical Phenomena · Physics 2019-08-13 A. Nepomuk Otte

Identifying as many gamma-ray pulsars as possible in the Fermi Large Area Telescope (LAT) data helps test pulsar emission models by comparing predicted and observed properties for a large, varied sample with as little selection bias as…

We present 294 pulsars found in GeV data from the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope. Another 33 millisecond pulsars (MSPs) discovered in deep radio searches of LAT sources will likely reveal pulsations once…

High Energy Astrophysical Phenomena · Physics 2023-11-29 David A. Smith , Philippe Bruel , Colin J. Clark , Lucas Guillemot , Matthew T. Kerr , Paul Ray , Soheila Abdollahi , Marco Ajello , Luca Baldini , Jean Ballet , Matthew Baring , Cees Bassa , Josefa Becerra Gonzalez , Ronaldo Bellazzini , Alessandra Berretta , Bhaswati Bhattacharyya , Elisabetta Bissaldi , Raffaella Bonino , Eugenio Bottacini , Johan Bregeon , Marta Burgay , Toby Burnett , Rob Cameron , Fernando Camilo , Regina Caputo , Patrizia Caraveo , Elisabetta Cavazzuti , Graziano Chiaro , Stefano Ciprini , Ismael Cognard , Paolo Cristarella Orestano , Milena Crnogorcevic , Alessandro Cuoco , Sara Cutini , Filippo D'Ammando , Alessandro de Angelis , Salvatore De Gaetano , Raniere de Menezes , Francesco de Palma , Megan DeCesar , Julia Deneva , Niccola Di Lalla , Leonardo Di Venere , Feraol Fana Dirirsa , Alberto Dominguez , Denis Dumora , Stephen Fegan , Elizabeth Ferrara , Alessio Fiori , Henrike Fleischhack , Chris Flynn , Anna Franckowiak , Paulo Freire , Yasushi Fukazawa , Piergiorgio Fusco , Giorgio Galanti , Viviana Gammaldi , Fabio Gargano , Dario Gasparrini , Federica Giacchino , Nico Giglietto , Francesco Giordano , Marcello Giroletti , David Green , Isabelle Grenier , Sylvain Guiriec , Michael Gustafsson , Alice Harding , Liz Hays , John Hewitt , Deirdre Horan , Xian Hou , Fabian Jankowski , Tyrel Johnson , Robert Johnson , Simon Johnston , Jun Kataoka , Michael J. Keith , Michael Kramer , Michael Kuss , Luca Latronico , Shiu-Hang Lee , Di Li , Jian Li , Brent Limyansky , Francesco Longo , Francesco Loparco , Leonarda Lorusso , Michael Lovellette , Marcus Lower , Pasquale Lubrano , Andrew Lyne , Simone Maldera , Richard Manchester , Alberto Manfreda , Martino Marelli , Guillem Marta-Devesa , Mario Nicola Mazziotta , Julie McEnery , Isabella Mereu , Peter Michelson , Warit Mitthumsiri , Tsunefumi Mizuno , Alex Moiseev , Maria Elena Monzani , Aldo Morselli , Michela Negro , Rodrigo Nemmen , Lars Nieder , Eric Nuss , Nicola Omodei , Monica Orienti , Elena Orlando , Jonathan F. Ormes , Michele Palatiello , David Paneque , Giuliana Panzarini , Massimo Persic , Melissa Pesce-Rollins , Roberta Pillera , Helen Poon , Troy Porter , Giacomo Principe , Silvia Raino , Riccardo Rando , Scott Ransom , Massimiliano Razzano , Soebur Razzaque , Anita Reimer , Olaf Reimer , Nicolas Renault-Tinacci , Roger Romani , Miguel A. Sanchez-Conde , Pablo Saz Parkinson , Lorenzo Scotton , Davide Serini , Carmelo Sgro , Ryan Shannon , Vidushi Sharma , Eric J. Siskind , Gloria Spandre , Paolo Spinelli , Ben Stappers , Tom Stephens , Dan Suson , Hiro Tajima , Dongguen Tak , Gilles Theureau , David Thompson , Omar Tibolla , Diego F. Torres , Janeth Valverde , Christo Venter , Zorawar Wadiasingh , Nina Wang , Pei Wang , Patrick Weltevrede , Kent Wood , Gabrijela Zaharijas

We report the detection of the pulsed signal of the radio-quiet magnetar-like pulsar PSR J1846-0258 in the high-energy \gr-ray data of the Fermi Large Area Telescope (Fermi LAT). We produced phase-coherent timing models exploiting RXTE PCA…

High Energy Astrophysical Phenomena · Physics 2018-01-08 L. Kuiper , W. Hermsen , A. Dekker

Using the 100-m Effelsberg radio telescope operating at 1.36 GHz, we have performed a targeted radio pulsar survey of 289 unassociated gamma-ray sources discovered by the Large Area Telescope (LAT) aboard the Fermi satellite and published…

We report the discovery of PSR J1906+0722, a gamma-ray pulsar detected as part of a blind survey of unidentified Fermi Large Area Telescope (LAT) sources being carried out on the volunteer distributed computing system, Einstein@Home. This…

High Energy Astrophysical Phenomena · Physics 2015-08-06 C. J. Clark , H. J. Pletsch , J. Wu , L. Guillemot , M. Ackermann , B. Allen , A. de Angelis , C. Aulbert , L. Baldini , J. Ballet , G. Barbiellini , D. Bastieri , R. Bellazzini , E. Bissaldi , O. Bock , R. Bonino , E. Bottacini , T. J. Brandt , J. Bregeon , P. Bruel , S. Buson , G. A. Caliandro , R. A. Cameron , M. Caragiulo , P. A. Caraveo , C. Cecchi , D. J. Champion , E. Charles , A. Chekhtman , J. Chiang , G. Chiaro , S. Ciprini , R. Claus , J. Cohen-Tanugi , A. Cuéllar , S. Cutini , F. D'Ammando , R. Desiante , P. S. Drell , H. B. Eggenstein , C. Favuzzi , H. Fehrmann , E. C. Ferrara , W. B. Focke , A. Franckowiak , P. Fusco , F. Gargano , D. Gasparrini , N. Giglietto , F. Giordano , T. Glanzman , G. Godfrey , I. A. Grenier , J. E. Grove , S. Guiriec , A. K. Harding , E. Hays , J. W. Hewitt , A. B. Hill , D. Horan , X. Hou , T. Jogler , A. S. Johnson , G. Jóhannesson , M. Kramer , F. Krauss , M. Kuss , H. Laffon , S. Larsson , L. Latronico , J. Li , L. Li , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , B. Machenschalk , A. Manfreda , M. Marelli , M. Mayer , M. N. Mazziotta , P. F. Michelson , T. Mizuno , M. E. Monzani , A. Morselli , I. V. Moskalenko , S. Murgia , E. Nuss , T. Ohsugi , M. Orienti , E. Orlando , F. de Palma , D. Paneque , M. Pesce-Rollins , F. Piron , G. Pivato , S. Rainò , R. Rando , M. Razzano , A. Reimer , P. M. Saz Parkinson , M. Schaal , A. Schulz , C. Sgrò , E. J. Siskind , F. Spada , G. Spandre , P. Spinelli , D. J. Suson , H. Takahashi , J. B. Thayer , L. Tibaldo , P. Torne , D. F. Torres , G. Tosti , E. Troja , G. Vianello , K. S. Wood , M. Wood , M. Yassine