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Related papers: Perspectives on Gamma-Ray Pulsar Emission

200 papers

The Fermi Gamma-ray Space Telescope, a key mission in multiwavelength and multimessenger studies, has been surveying the gamma-ray sky from its low-Earth orbit since 2008. Its two scientific instruments, the Gamma-ray Burst Monitor (GBM)…

High Energy Astrophysical Phenomena · Physics 2023-04-05 David J. Thompson , Colleen A. Wilson-Hodge

The Fermi Large Area Telescope (LAT) is a powerful pulsar detector, as demonstrated by the over one hundred objects in its second catalog of pulsars. Pass 8 is a new reconstruction and event selection strategy developed by the Fermi-LAT…

High Energy Astrophysical Phenomena · Physics 2019-08-14 H. Laffon , D. A. Smith , L. Guillemot

Gamma-ray emission from pulsars is thought to arise from accelerating regions in pulsar's outer magnetosphere. The shape of the light curves is thus sensitive to the details of the magnetic geometry of the magnetosphere. In this work, we…

High Energy Astrophysical Phenomena · Physics 2009-11-03 Xue-Ning Bai , Anatoly Spitkovsky

In this article, we revisit the gamma-ray emission observed from millisecond pulsars and globular clusters. Based on 5.6 years of data from the Fermi Gamma-Ray Space Telescope, we report gamma-ray spectra for 61 millisecond pulsars, finding…

High Energy Astrophysical Phenomena · Physics 2014-07-22 Ilias Cholis , Dan Hooper , Tim Linden

Gamma rays reveal extreme, nonthermal conditions in the Universe. The Fermi Gamma-ray Space Telescope has been exploring the gamma-ray sky for more than four years, enabling a search for powerful transients like gamma-ray bursts, solar…

High Energy Astrophysical Phenomena · Physics 2015-06-16 D. J. Thompson

The origin of the pulsed gamma-ray emission in pulsars remains an open issue. The combination of sensitive observations in the GeV domain by AGILE and {\em Fermi}-LAT and increasingly sophisticated numerical simulations have recently…

High Energy Astrophysical Phenomena · Physics 2018-11-26 Benoît Cerutti

During its first 2 years of mission the Fermi-LAT instrument discovered more than 1,800 gamma-ray sources in the 100 MeV to 100 GeV range. Despite the application of advanced techniques to identify and associate the Fermi-LAT sources with…

High Energy Astrophysical Phenomena · Physics 2016-03-02 David Salvetti

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

Over thirteen times more gamma-ray pulsars have now been studied with the Large Area Telescope on NASA's Fermi satellite than the ten seen with the Compton Gamma-Ray Observatory in the nineteen-nineties. The large sample is diverse,…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Xian Hou , David A. Smith , Thierry Reposeur , Romain Rousseau

We present observations of HESS J1640-465 with the Fermi-LAT. The source is detected with high confidence as an emitter of high-energy gamma-rays. The spectrum lacks any evidence for the characteristic cutoff associated with emission from…

High Energy Astrophysical Phenomena · Physics 2015-05-18 P. Slane , D. Castro , S. Funk , Y. Uchiyama , A. Lemiere , J. D. Gelfand , M. Lemoine-Goumard

The Fermi Large Area Telescope (LAT) has revealed a mysterious extended excess of GeV gamma-ray emission around the Galactic Center, which can potentially be explained by unresolved emission from a population of pulsars, particularly…

Gamma rays constitute a privileged point of view for the study of the extreme Universe. Unlike charged cosmic rays, which are thought to have a common origin, gamma rays are not deflected by galactic and intergalactic magnetic fields. This…

High Energy Astrophysical Phenomena · Physics 2023-02-13 Elisa Prandini , Konstantinos Dialektopoulos , Jelena Strišković

Over the last few years, the data obtained using the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope has provided new insights on high-energy processes in globular clusters, particularly those involving compact objects…

High Energy Astrophysical Phenomena · Physics 2017-02-22 P. H. Thomas Tam , C. Y. Hui , Albert K H. Kong

We present precise phase-connected pulse timing solutions for 16 gamma-ray-selected pulsars recently discovered using the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope plus one very faint radio pulsar (PSR J1124-5916)…

The parsec-scale radio properties of blazars detected by the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope have been investigated using observations with the Very Long Baseline Array (VLBA). Comparisons between LAT…

High Energy Astrophysical Phenomena · Physics 2012-05-04 J. D. Linford , G. B. Taylor , R. W. Romani , J. F. Helmboldt , A. C. S. Readhead , R. Reeves , J. L. Richards

Forty years after the discovery of rotation-powered pulsars, we still do not understand many aspects of their pulsed emission. In the last few years there have been some fundamental developments in acceleration and emission models. I will…

Astrophysics · Physics 2007-10-19 Alice K. Harding

Radio and gamma-ray emission from active galactic nuclei (AGN) are thought to share a common origin, related to the ejection phenomena in the vicinity of supermassive black holes. Thanks to its sensitivity, surveying capability, and broad…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-29 M. Giroletti , A. Reimer , L. Fuhrmann , V. Pavlidou , J. L. Richards

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

The wealth of high-energy (E > 50 MeV) and very-high-energy (E > 100 GeV) data accumulated over the past few years have provided unprecedented opportunities to probe pulsar emission models. The Fermi Large Area Telescope (LAT) has now…

High Energy Astrophysical Phenomena · Physics 2017-02-03 Christo Venter

Inspired by increase of population of $\gamma$-ray emitting pulsars by the $Fermi$ telescope, we perform a population study for $\gamma$-ray emitting canonical pulsars. We use a Monte-Carlo technique to simulate the Galactic population of…

High Energy Astrophysical Phenomena · Physics 2015-05-20 J. Takata , Y. Wang , K. S. Cheng