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Related papers: Detection of giant pulses in PSR J1047-6709

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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

Until now X-radiation from nine millisecond pulsars has been detected. In the present paper we summarize the observations and show the results of a re-analysis of archival ROSAT data. In addition we present the results of recent…

Astrophysics · Physics 2007-05-23 W. Becker , J. Trümper

We report new results obtained from multi-frequency observations of PSR B0826-34 with the Giant Metrewave Radio Telescope (GMRT). (1) We find no evidence of weak emission during the typical long null state of this pulsar, simultaneously at…

Astrophysics · Physics 2009-11-13 B. Bhattacharyya , Y. Gupta , J. Gil

We report two phenomena detected in PSR J0344$-$0901 from two observations conducted at frequency centered at 1.25 GHz using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The first phenomenon manifests as shifting in the…

High Energy Astrophysical Phenomena · Physics 2024-02-26 H. M. Tedila , R. Yuen , N. Wang , D. Li , Z. G. Wen , W. M. Yan , J. P. Yuan , X. H. Han , P. Wang , W. W. Zhu , S. J. Dang , S. Q. Wang , J. T. Xie , Q. D. Wu , Sh. Khasanov , FAST Collaboration

Single-pulse studies are important to understand the pulsar emission mechanism and the noise floor in precision timing. We study total intensity and polarimetry properties of three bright millisecond pulsars - PSRs J1022+1001, J1713+0747,…

High Energy Astrophysical Phenomena · Physics 2023-01-18 N. T. Palliyaguru , B. B. P. Perera , M. A. McLaughlin , S. Oslowski , G. L. Siebert

How pulsars radiate is a long-standing problem. Detailed polarization measurements of individual pulses shed light on currently unknown emission processes. Recently, based on supersensitive observations, dwarf pulses have been recognized as…

High Energy Astrophysical Phenomena · Physics 2024-03-19 Yi Yan , J. L. Han , D. J. Zhou , L. Xie , F. F. Kou , P. F. Wang , C. Wang , T. Wang

Integrated pulse profiles at 8.6~GHz obtained with the Shanghai Tian Ma Radio Telescope (TMRT) are presented for a sample of 26 pulsars. Mean flux densities and pulse width parameters of these pulsars are estimated. For eleven pulsars these…

We report on dual-frequency radio polarimetry observations of two young, energetic pulsars, PSRs J0940-5428 and J1301-6305. These were among the first Vela-like pulsars discovered in the Parkes Multibeam survey. We conducted observations of…

Astrophysics · Physics 2008-11-26 F. Crawford , C. L. Tiffany

The predicted nature of the candidate redback pulsar 3FGL\,J2039.6$-$5618 was recently confirmed by the discovery of $\gamma$-ray millisecond pulsations (Clark et al. 2020, hereafter Paper\,I), which identify this $\gamma$-ray source as…

High Energy Astrophysical Phenomena · Physics 2020-12-02 A. Corongiu , R. P. Mignani , A. S. Seyffert , C. J. Clark , C. Venter , L. Nieder , A. Possenti , M. Burgay , A. Belfiore , A. De Luca , A. Ridolfi , Z. Wadiasingh

We analyze individual pulses detected from RRAT J1819$-$1458. From April 2007 to April 2010, we carried out observations using the Nanshan 25-m radio telescope of Urumqi Observatory at a central frequency of 1541.25 MHz. We obtain a…

Solar and Stellar Astrophysics · Physics 2011-04-19 H. D. Hu , A. Esamdin , J. P. Yuan , Z. Y. Liu , R. X. Xu , J. Li , G. C. Tao , N. Wang

PSR B0919+06 generally radiates radio pulses in a normal phase range. It has been known for its occasional perplexing abnormal emission events wherein individual pulses come to an earlier phase range for a few tens of periods and then…

High Energy Astrophysical Phenomena · Physics 2016-01-13 Jun Han , J. L. Han , Ling-Xiang Peng , De-Yu Tang , Jun Wang , Jun-Qiang Li , Chen Wang , Ye-Zhao Yu , Bin Dong

We have detected significant X-ray emission from the direction of the young radio pulsar PSR J1105-6107 using the ASCA Observatory. The 11 sigma detection includes 460 background-subtracted source counts derived using data from all four…

Astrophysics · Physics 2009-10-30 E. V. Gotthelf , V. M. Kaspi

Mean pulse profiles and polarization properties are presented for nine southern pulsars. The observations were made using the Parkes radio telescope at frequencies near 1330 MHz; three of the nine pulsars were also observed at 660 MHz. A…

Astrophysics · Physics 2009-11-10 R N Manchester , J L Han

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

PSR J0205+6449 is a young rotation-powered pulsar in SNR 3C 58. It is one of only three young (<10,000 year old) pulsars which are so far detected in the radio and the classical X-ray bands, as well as at hard X-rays above 20 keV and at…

High Energy Astrophysical Phenomena · Physics 2015-05-18 L. Kuiper , W. Hermsen , J. O. Urama , P. R. den Hartog , A. G. Lyne , B. W. Stappers

Since the launch of the Fermi satellite, the number of known gamma-ray pulsars has increased tenfold. Most gamma-ray detected pulsars are young and energetic, and many are associated with TeV sources. PSR J1357-6429 is a high spin-down…

The major programme for observing young, non-recycled pulsars with the Parkes telescope has transitioned from a narrow-band system to an ultra-wideband system capable of observing between 704 and 4032 MHz. We report here on the initial two…

High Energy Astrophysical Phenomena · Physics 2021-02-10 Simon Johnston , C. Sobey , S. Dai , M. Keith , M. Kerr , R. N. Manchester , L. S. Oswald , A. Parthasarathy , R. M. Shannon , P. Weltevrede

Giant pulses (GPs) are extremely bright individual pulses of radio pulsar. In microbursts of Crab pulsar, which is an active GP emitter, zebra-pattern-like spectral structures are observed, which are reminiscent of the `zebra bands' that…

High Energy Astrophysical Phenomena · Physics 2018-11-28 Weiyang Wang , Jiguang Lu , Songbo Zhang , Xuelei Chen , Rui Luo , Renxin Xu

We performed deep observations to search for radio pulsations in the directions of 375 unassociated Fermi Large Area Telescope (LAT) gamma-ray sources using the Giant Metrewave Radio Telescope (GMRT) at 322 and 607 MHz. In this paper we…

Since 2013 round-the-clock monitoring of the sky is carried out simultaneously in 96 space beams using the high-sensitivity radio telescope of LPA (Large Phased Array) at the frequency 110.25 MHz. These observations are made under the…

High Energy Astrophysical Phenomena · Physics 2018-08-15 V. M. Malofeev , S. A. Tyul'bashev