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Related papers: Pulsar Observations with the Fermi Large Area Tele…

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At high-energy gamma-rays (>100 MeV) the Large Area Telescope (LAT) on the Fermi satellite already detected more than 145 rotation-powered pulsars (RPPs), while the number of pulsars seen at soft gamma-rays (20 keV - 30 MeV) remained small.…

High Energy Astrophysical Phenomena · Physics 2015-06-24 L. Kuiper , W. Hermsen

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

The high-quality Fermi LAT observations of gamma-ray pulsars have opened a new window to understanding the generation mechanisms of high-energy emission from these systems. The high statistics allow for careful modeling of the light curve…

High Energy Astrophysical Phenomena · Physics 2011-11-03 Megan E. DeCesar , Alice K. Harding , M. Coleman Miller , Ioannis Contopoulos , Constantinos Kalapotharakos , Damien Parent

The Large Area Telescope (LAT) on board the \emph{Fermi} Gamma-ray Space Telescope has been continuously providing good quality survey data of the entire sky in the high energy range from 30 MeV to 500 GeV and above since August 2008. A…

High Energy Astrophysical Phenomena · Physics 2025-10-13 A. Pathania , K. K. Singh , S. K. Singh , A. Tolamatti , B. B. Singh , K. K. Yadav

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

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 report on the gamma-ray activity of the high-synchrotron-peaked BL Lacertae object Mrk 421 during the first 1.5 years of Fermi operation, from 2008 August 5 to 2010 March 12. We find that the Large Area Telescope (LAT) gamma-ray spectrum…

The Very Large Area gamma-ray Space Telescope (VLAST) is a mission concept proposed to detect gamma-ray photons through both the Compton scattering and electron-positron pair production mechanisms, enabling the detection of photons with…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Xu Pan , Wei Jiang , Chuan Yue , Shi-Jun Lei , Yu-Xin Cui , Qiang Yuan

Since its launch in 2008, the Fermi Large Area Telescope (LAT) allowed us to peek into the extremely energetic side of the Universe with unprecedented sensitivity and resolution. The tools available for analyzing Fermi-LAT data are the…

High Energy Astrophysical Phenomena · Physics 2022-06-24 Raniere de Menezes

Spatial extension is an important characteristic for correctly associating gamma-ray-emitting sources with their counterparts at other wavelengths and for obtaining an unbiased model of their spectra. We present a new method for quantifying…

The Fermi Gamma-Ray Space Telescope has more than doubled the number of Gamma-Ray Bursts (GRBs) detected above 100 MeV within its first year of operation. Thanks to the very wide energy range covered by Fermi's Gamma-ray Burst Monitor (GBM;…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Jonathan Granot

The Fermi Gamma-ray Space Telescope with its main instrument on-board, the Large Area Telescope (LAT), opened a new era in the study of high-energy emission from Active Galactic Nuclei (AGN). When combined with contemporaneous ground- and…

High Energy Astrophysical Phenomena · Physics 2017-12-01 Filippo D'Ammando

The Fermi Gamma-ray Space Telescope regularly surveys the entire sky in the energy range between 0.3 and 100 GeV with an homogeneous coverage. This makes Fermi a very useful guide for ground-based Cherenkov-telescope arrays like VERITAS,…

High Energy Astrophysical Phenomena · Physics 2015-05-30 M. Errando , M. Orr , E. Kara

The Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope provides both direct and indirect measurements of Galactic cosmic rays (CR). The LAT high-statistics observations of the 7 GeV - 1 TeV electron plus positron spectrum and…

High Energy Astrophysical Phenomena · Physics 2015-03-19 David J. Thompson , Luca Baldini , Yasunobu Uchiyama

The Fermi Large Area Telescope (LAT) has provided the measurement of the high energy cosmic ray electrons plus positrons (CRE) spectrum with unprecedented accuracy form 20 GeV to 1 TeV. Recently this range has been extended down to ~ 7 GeV.…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Giuseppe Di Bernardo , Daniele Gaggero , Dario Grasso

We present a multi-wavelength study of the FSRQ CTA 102 using Fermi-LAT and simultaneous Swift-XRT/UVOT observations. The Fermi-LAT telescope detected one of the brightest flares from this object during Sep, 2016 to Mar, 2017. In the 190…

High Energy Astrophysical Phenomena · Physics 2018-10-17 Raj Prince , Gayathri Raman , Joachim Hahn , Nayantara Gupta , Pratik Majumdar

Fermi-LAT >30 MeV observations have increased the number of detected solar flares by almost a factor of 10 with respect to previous space observations. These sample both the impulsive and long duration phases of GOES M and X class flares.…

Solar and Stellar Astrophysics · Physics 2019-08-14 Melissa Pesce-Rollins , Nicola Omodei , Vahe' Petrosian , Wei Liu , Fatima Rubio da Costa , Alice Allafort

The high sensitivity of the Fermi-LAT (Large Area Telescope) offers the first opportunity to study faint and extended GeV sources such as pulsar wind nebulae (PWNe). After one year of observation the LAT detected and identified three pulsar…

High Energy Astrophysical Phenomena · Physics 2011-01-28 The Fermi LAT Collaboration , Pulsar Timing Consortium

The blazar AO 0235+164 (z = 0.94) has been one of the most active objects observed by Fermi Large Area Telescope (LAT) since its launch in Summer 2008. In addition to the continuous coverage by Fermi, contemporaneous observations were…

High Energy Astrophysical Phenomena · Physics 2012-07-13 M. Ackermann , M. Ajello , J. Ballet , G. Barbiellini , D. Bastieri , R. Bellazzini , R. D. Blandford , E. D. Bloom , E. Bonamente , A. W. Borgland , E. Bottacini , J. Bregeon , M. Brigida , P. Bruel , R. Buehler , S. Buson , G. A. Caliandro , R. A. Cameron , P. A. Caraveo , J. M. Casandjian , E. Cavazzuti , C. Cecchi , E. Charles , A. Chekhtman , J. Chiang , S. Ciprini , R. Claus , J. Cohen-Tanugi , S. Cutini , F. D'Ammando , F. de Palma , C. D. Dermer , E. do Couto e Silva , P. S. Drell , A. Drlica-Wagner , R. Dubois , C. Favuzzi , S. J. Fegan , E. C. Ferrara , W. B. Focke , P. Fortin , L. Fuhrmann , Y. Fukazawa , P. Fusco , F. Gargano , D. Gasparrini , N. Gehrels , S. Germani , N. Giglietto , P. Giommi , F. Giordano , M. Giroletti , T. Glanzman , G. Godfrey , I. A. Grenier , S. Guiriec , D. Hadasch , M. Hayashida , R. E. Hughes , R. Itoh , G. Johannesson , A. S. Johnson , H. Katagiri , J. Kataoka , J. Knodlseder , M. Kuss , J. Lande , S. Larsson , S. -H. Lee , F. Longo , F. Loparco , B. Lott , M. N. Lovellette , P. Lubrano , G. M. Madejski , M. N. Mazziotta , J. E. McEnery , J. Mehault , P. F. Michelson , W. Mitthumsiri , T. Mizuno , C. Monte , M. E. Monzani , A. Morselli , I. V. Moskalenko , S. Murgia , M. Naumann-Godo , S. Nishino , J. P. Norris , E. Nuss , T. Ohsugi , A. Okumura , N. Omodei , E. Orlando , M. Ozaki , D. Paneque , J. H. Panetta , V. Pelassa , M. Pesce-Rollins , M. Pierbattista , F. Piron , G. Pivato , T. A. Porter , S. Raino , R. Rando , D. Rastawicki , M. Razzano , A. Readhead , A. Reimer , O. Reimer , L. C. Reyes , J. L. Richards , C. Sbarra , C. Sgro , E. J. Siskind , G. Spandre , P. Spinelli , A. Szostek , H. Takahashi , T. Tanaka , J. G. Thayer , J. B. Thayer , D. J. Thompson , M. Tinivella , D. F. Torres , G. Tosti , E. Troja , T. L. Usher , J. Vandenbroucke , V. Vasileiou , G. Vianello , V. Vitale , A. P. Waite , B. L. Winer , K. S. Wood , Z. Yang , S. Zimmer , R. Moderski , K. Nalewajko , M. Sikora , M. Villata , C. M. Raiteri , H. D. Aller , M. F. Aller , A. A. Arkharov , E. Benitez , A. Berdyugin , D. A. Blinov , M. Boettcher , O. J. A. Bravo Calle , C. S. Buemi , D. Carosati , W. P. Chen , C. Diltz , A. Di Paola , M. Dolci , N. V. Efimova , E. Forn\' , M. A. Gurwell , J. Heidt , D. Hiriart , B. Jordan , G. Kimeridze , T. S. Konstantinova , E. N. Kopatskaya , E. Koptelova , O. M. Kurtanidze , A. Lahteenmaki , E. G. Larionova , L. V. Larionova , V. M. Larionov , P. Leto , E. Lindfors , H. C. Lin , D. A. Morozova , M. G. Nikolashvili , K. Nilsson , M. Oksman , P. Roustazadeh , A. Sievers , L. A. Sigua , A. Sillanpaa , T. Takahashi , L. O. Takalo , M. Tornikoski , C. Trigilio , I. S. Troitsky , G. Umana , E. Angelakis , T. P. Krichbaum , I. Nestoras , D. Riquelme , M. Krips , S. Trippe , A. Arai , K. S. Kawabata , K. Sakimoto , M. Sasada , S. Sato , M. Uemura , M. Yamanaka , M. Yoshida , T. Belloni , G. Tagliaferri , E. W. Bonning , J. Isler , C. M. Urry , E. Hoversten , A. Falcone , C. Pagani , M. Stroh

We use Fermi Gamma-ray Space Telescope detections and upper limits on non-recycled pulsars obtained from the Large Area Telescope (LAT) to constrain how the gamma-ray luminosity L depends on the period P and the period derivative \dot{P}.…

Solar and Stellar Astrophysics · Physics 2015-06-17 B. B. P. Perera , M. A. McLaughlin , J. M. Cordes , M. Kerr , T. H. Burnett , A. K. Harding
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