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The population of $\gamma$-ray emitting millisecond pulsars (MSPs) is studied by using Monte-Carlo techniques. We simulate the Galactic distributions of the MSPs, and apply the outer gap model for the $\gamma$-ray emission from each…

High Energy Astrophysical Phenomena · Physics 2017-02-22 J. Takata , Y. Wang , K. S. Cheng

The pulsar glitches are generally assumed to be an apparent manifestation of the superfluid interior of the neutron stars. Most of them were discovered and extensively studied by continuous monitoring in the radio wavelengths. The Fermi-LAT…

Instrumentation and Methods for Astrophysics · Physics 2022-04-20 E. V. Sokolova , A. G. Panin

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

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…

The Fermi Large Area Telescope (LAT) data have confirmed the pulsed emission from all six high-confidence gamma-ray pulsars previously known from the EGRET observations. We report results obtained from the analysis of 13 months of LAT data…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Fermi LAT Collaboration , A. A. Abdo

Globular clusters are known to harbour a significant population of neutron star X-ray binaries that could be responsible for delaying the inevitable core collapse of these dense clusters. As a result, their progeny, namely millisecond…

High Energy Astrophysical Phenomena · Physics 2010-01-13 N. A. Webb , J. Knödlseder

We report on the discovery of gamma-ray pulsations from five millisecond pulsars (MSPs) using the Fermi Large Area Telescope (LAT) and timing ephemerides provided by various radio observatories. We also present confirmation of the gamma-ray…

We have discovered six radio millisecond pulsars (MSPs) in a search with the Arecibo telescope of 34 unidentified gamma-ray sources from the Fermi Large Area Telescope (LAT) 4-year point source catalog. Among the 34 sources, we also…

High Energy Astrophysical Phenomena · Physics 2016-03-16 H. T. Cromartie , F. Camilo , M. Kerr , J. S. Deneva , S. M. Ransom , P. S. Ray , E. C. Ferrara , P. F. Michelson , K. S. Wood

Using archival as well as freshly acquired data, we assess the X-ray behaviour of the Fermi/LAT gamma-ray pulsars listed in the First Fermi source catalog. After revisiting the relationships between the pulsars' rotational energy losses and…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Martino Marelli , Andrea De Luca , Patrizia A. Caraveo

We report the detection of pulsed gamma-rays for PSRs J0631+1036, J0659+1414, J0742-2822, J1420-6048, J1509-5850 and J1718-3825 using the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope (formerly known as GLAST).…

Solar and Stellar Astrophysics · Physics 2010-01-06 The Fermi LAT collaboration , the Fermi Pulsar Timing Consortium

Novae had not been widely considered as high-energy (>100 MeV) gamma-ray sources before the launch of the Fermi Large Area Telescope (LAT). In March 2010, the LAT made the first gamma-ray detection of a nova in the symbiotic binary V407…

High Energy Astrophysical Phenomena · Physics 2019-08-14 C. C. Cheung

The Fermi Gamma-Ray Space Telescope has discovered many gamma-ray pulsars, both as radio-loud objects and radio-quiet or radio-weak pulsars that have been identified through blind period searches. The latter presumably have gamma-ray beams…

High Energy Astrophysical Phenomena · Physics 2010-02-02 Marco Pierbattista , Isabelle Grenier , Alice Harding , Peter Gonthier

The Large Area Telescope (LAT) on Fermi, launched on 2008 June 11, is a space telescope to explore the high energy gamma-ray universe. The instrument covers the energy range from 20 MeV to 300 GeV with greatly improved sensitivity and…

High Energy Astrophysical Phenomena · Physics 2010-06-18 Damien Parent

We report the discovery of eight gamma-ray pulsars in blind frequency searches using the LAT, onboard the Fermi Gamma-ray Space Telescope. Five of the eight pulsars are young (tau_c<100 kyr), energetic (Edot>10^36 erg/s), and located within…

Fast Radio Bursts (FRBs) are a mysterious flash phenomenon detected in radio wavelengths with a duration of only a few milliseconds, and they may also have prompt gamma-ray flashes. Here we carry out a blind search for msec-duration…

High Energy Astrophysical Phenomena · Physics 2019-06-07 Shotaro Yamasaki , Tomonori Totani , Norita Kawanaka

According to radiative models, radio galaxies and quasars are predicted to produce gamma rays from the earliest stages of their evolution. Exploring their high-energy emission is crucial for providing information on the most energetic…

Pulsars are among the prime targets for the Large Area Telescope (LAT) aboard the recently launched Fermi observatory. The LAT will study the gamma-ray Universe between 20 MeV and 300 GeV with unprecedented detail. Increasing numbers of…

We report the discovery of gamma-ray pulsations from the nearby isolated millisecond pulsar PSR J0030+0451 with the Large Area Telescope (LAT) on the \emph{Fermi} Gamma-ray Space Telescope (formerly GLAST). This discovery makes PSR…

High Energy Astrophysical Phenomena · Physics 2009-07-22 LAT Collaboration

In the third Fermi catalogue (3FGL) there are sixteen gamma-ray globular clusters. After analyzing the recent released Pass 8 data of Fermi Large Area Telescope (LAT), we report the discovery of significant gamma-ray emission from M 15 and…

High Energy Astrophysical Phenomena · Physics 2016-03-23 P. F. Zhang , Y. L. Xin , L. Fu , J. N. Zhou , J. Z. Yan , Q. Z. Liu , L. Zhang

Radio pulsar PSR J1028-5819 was recently discovered in a high-frequency search (at 3.1 GHz)in the error circle of the EGRET source 3EG J1027-5817. The spin-down power of this young pulsar is great enough to make it very likely the…

High Energy Astrophysical Phenomena · Physics 2011-02-11 LAT Collaboration
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