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Investigation of the long-term evolution of rotating radio transients (RRATs) is important to understand the evolutionary connections between the isolated neutron star populations in a single picture. The X-ray luminosities of RRATs (except…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Ali Arda Gencali , Unal Ertan

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is the most sensitive telescope at the $L$-band (1.0-1.5 GHz) and has been used to carry out the FAST Galactic Plane Pulsar Snapshot (GPPS) survey in the last 5 yr. Up to now,…

High Energy Astrophysical Phenomena · Physics 2025-02-03 J. L. Han , D. J. Zhou , C. Wang , W. Q. Su , Yi Yan , W. C. Jing , Z. L. Yang , P. F. Wang , T. Wang , J. Xu , N. N. Cai , J. H. Sun , Q. L. Yang , R. X. Xu , H. G. Wang , X. P. You

Here we report on a new survey for pulsars and transients in the 10 pc region around Sgr A* using the Effelsberg radio telescope at frequencies between 4 to 8 GHz. Our calibrated full-Stokes data were searched for pulsars and transients…

High Energy Astrophysical Phenomena · Physics 2026-02-11 G. Desvignes , R. P. Eatough , Y. Men , F. Abbate , R. Karuppusamy , M. Kramer , K. Liu , L. Shao , P. Torne , R. S. Wharton

The `radio sky' is relatively unexplored for transient signals, although the potential of radio-transient searches is high, as demonstrated recently by the discovery of a previously unknown type of source which varies on timescales of…

At least three pulsars in supernova remnants were detected at E > 100 MeV by EGRET on the Compton Gamma Ray Observatory. Efforts to search for additional pulsars in the EGRET data have been unsuccessful due to limited statistics. An example…

Astrophysics · Physics 2007-05-23 D. J. Thompson , S. W. Digel , P. L. Nolan , O. Reimer

Rotating radio transients (RRATs) are peculiar astronomical objects whose emission mechanism remains under investigation. In this paper, we present observations of three RRATs, J1538+2345, J1854+0306 and J1913+1330, observed with the…

High Energy Astrophysical Phenomena · Physics 2019-03-18 Jiguang Lu , Bo Peng , Kuo Liu , Peng Jiang , Youling Yue , Meng Yu , Ye-Zhao Yu , Feifei Kou , Lin Wang , FAST Collaboration

We present a methodology for automated real-time analysis of a radio image data stream with the goal to find transient sources. Contrary to previous works, the transients we are interested in occur on a time-scale where dispersion starts to…

Instrumentation and Methods for Astrophysics · Physics 2021-08-09 David Ruhe , Mark Kuiack , Antonia Rowlinson , Ralph Wijers , Patrick Forré

We are conducting a survey for pulsars and transients using the Giant Metrewave Radio Telescope (GMRT). The GMRT High Resolution Southern Sky (GHRSS) survey is an off-Galactic-plane (|b|>5) survey in the declination range -40 deg to -54 deg…

We report on observations of four southern Anomalous X-ray Pulsars, (1RXS J170849.0-400910, 1E 1048.1-5937, 1E 1841-045 and AX J1845-0258), obtained at 1.4 GHz using the Parkes radio telescope. Radio pulsations from these sources have been…

Astrophysics · Physics 2009-11-11 M. Burgay , N. Rea , G. L. Israel , A. Possenti , L. Burderi , T. Di Salvo , N. D'Amico , L. Stella

We present radio transient search algorithms, results, and statistics from the ongoing Arecibo Pulsar ALFA (PALFA) Survey of the Galactic plane. We have discovered seven objects by detecting isolated dispersed pulses and one of the new…

Recent optical astrometric and spectroscopic surveys have identified numerous neutron star (NS) candidates in non-accreting detached binary systems, but their compact-object nature remains unconfirmed. In this work, we present targeted…

High Energy Astrophysical Phenomena · Physics 2025-11-26 Shi-Jie Gao , Xiang-Dong Li , Song Wang , Kareem El-Badry , De-Jiang Zhou , Yi-Xuan Shao , Zhen Yan , Pei Wang , Ping Zhou , Jin-Lin Han

We present 1.25 GHz observations of the rotating radio transient (RRAT) J2325-0530, conducted with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Approximately 60% of detected single pulses occur in clusters of 2 to 5…

High Energy Astrophysical Phenomena · Physics 2025-09-19 Shi-Jie Gao , Xiang-Dong Li , Zhen Yan , Yi-Xuan Shao , Ping Zhou

A search was carried out for pulsars with periods (P) from 2 to 90 s in daily observations carried out over an interval of 5 years in a area measuring 6300 sq.deg. The data was obtained on a Large Phased Array (LPA) at a frequency of 111…

High Energy Astrophysical Phenomena · Physics 2025-04-22 S. A. Tyul'bashev , G. E. Tyul'basheva

We present the timing solutions for three radio pulsars discovered with the Green Bank North Celestial Cap (GBNCC) and 350-MHz Green Bank Telescope drift-scan surveys. These pulsars were initially discovered through their single-pulse…

The results of the analysis of 205 brightest sources ( $S>15$ mJy), which were found in the sky survey at the declination of the pulsar in the Crab Nebula, are presented. The survey was conducted at a frequency of 4.7~GHz using a three-beam…

High Energy Astrophysical Phenomena · Physics 2024-11-27 A. A. Kudryashova , N. N. Bursov , S. A. Trushkin

We present a newly implemented single-pulse pipeline for the PALFA survey to efficiently identify single radio pulses from pulsars, Rotating Radio Transients (RRATs) and Fast Radio Bursts (FRBs). We have conducted a sensitivity analysis of…

Using the Green Bank Telescope (GBT) and Pulsar Spigot at 350MHz, we have surveyed the Northern Galactic Plane for pulsars and radio transients. This survey covers roughly 1000 square degrees of sky within 75 deg < l < 165 deg and |b| < 5.5…

A detailed observation of microglitch phenomenon in relatively slow radio pulsars is presented. Our analyses for these small amplitude jumps in pulse rotation frequency ($\nu$) and/or spin down rate ($\dot{\nu}$) combine the traditional…

Solar and Stellar Astrophysics · Physics 2015-05-18 Augustine E. Chukwude , Johnson O. Urama

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

We present the results of a four-month campaign searching for low-frequency radio transients near the North Celestial Pole with the Low-Frequency Array (LOFAR), as part of the Multifrequency Snapshot Sky Survey (MSSS). The data were…

High Energy Astrophysical Phenomena · Physics 2016-06-21 A. J. Stewart , R. P. Fender , J. W. Broderick , T. E. Hassall , T. Muñoz-Darias , A. Rowlinson , J. D. Swinbank , T. D. Staley , G. J. Molenaar , B. Scheers , T. L. Grobler , M. Pietka , G. Heald , J. P. McKean , M. E. Bell , A. Bonafede , R. P. Breton , D. Carbone , Y. Cendes , A. O. Clarke , S. Corbel , F. de Gasperin , J. Eislöffel , H. Falcke , C. Ferrari , J. -M. Grießmeier , M. J. Hardcastle , V. Heesen , J. W. T. Hessels , A. Horneffer , M. Iacobelli , P. Jonker , A. Karastergiou , G. Kokotanekov , V. I. Kondratiev , M. Kuniyoshi , C. J. Law , J. van Leeuwen , S. Markoff , J. C. A. Miller-Jones , D. Mulcahy , E. Orru , M. Pandey-Pommier , L. Pratley , E. Rol , H. J. A. Röttgering , A. M. M. Scaife , A. Shulevski , C. A. Sobey , B. W. Stappers , C. Tasse , A. J. van der Horst , S. van Velzen , R. J. van Weeren , R. A. M. J. Wijers , R. Wijnands , M. Wise , P. Zarka , A. Alexov , J. Anderson , A. Asgekar , I. M. Avruch , M. J. Bentum , G. Bernardi , P. Best , F. Breitling , M. Brüggen , H. R. Butcher , B. Ciardi , J. E. Conway , A. Corstanje , E. de Geus , A. Deller , S. Duscha , W. Frieswijk , M. A. Garrett , A. W. Gunst , M. P. van Haarlem , M. Hoeft , J. Hörandel , E. Juette , G. Kuper , M. Loose , P. Maat , R. McFadden , D. McKay-Bukowski , J. Moldon , H. Munk , M. J. Norden , H. Paas , A. G. Polatidis , D. Schwarz , J. Sluman , O. Smirnov , M. Steinmetz , S. Thoudam , M. C. Toribio , R. Vermeulen , C. Vocks , S. J. Wijnholds , O. Wucknitz , S. Yatawatta
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