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We have conducted a mini-survey for low-frequency radio emission from some of the closest brown dwarfs to the Sun with rapid rotation rates: SIMP J013656.5+093347, WISEPC J150649.97+702736.0, and WISEPA J174124.26+255319.5. We have placed…

We have monitored a large sample of millisecond pulsars using the 100-m Effelsberg radio telescope in order to compare their radio emission properties to the slowly rotating population. With some notable exceptions, our findings suggest…

We report the discovery of the first new pulsar with the Murchison Widefield Array (MWA), PSR J0036$-$1033, a long-period (0.9 s) nonrecycled pulsar with a dispersion measure (DM) of 23.1 ${\rm pc\,cm^{-3}}$. It was found after processing…

We have conducted a survey of intermediate Galactic latitudes using the 13-beam 21-cm multibeam receiver of the Parkes 64-m radio telescope. The survey covered the region enclosed by 5 deg < |b| < 15 deg and -100 deg < l < 50 deg with 4,702…

Astrophysics · Physics 2016-08-30 R. T. Edwards , M. Bailes , W. van Straten , M. C. Britton

A search for pulse signals was carried out in a new sky area included in the monitoring program for the search for pulsars and transients. Processing of several months data recorded in six frequency channels with a total bandwidth of 2.5…

High Energy Astrophysical Phenomena · Physics 2022-07-20 V. A. Samodurov , S. A. Tyul'bashev , M. O. Toropov , S. V. Logvinenko

The Fermi Large Area Telescope (LAT) provides advantages for radio pulsar searches by enabling efficient target selection. We can confidently point radio telescopes to the positions of Fermi unidentified gamma-ray sources that have a high…

We present phase-connected timing ephemerides, polarization pulse profiles and Faraday rotation measurements of 12 pulsars discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in the Commensal Radio Astronomy FAST…

The search for pulsars in a sample of pulsar candidates found based on a multi-year survey conducted with low (6 channels; sampling 0.1s) time-frequency resolution on declinations -9^o < \delta < +42^o was carried out. A Large Phased Array…

High Energy Astrophysical Phenomena · Physics 2022-10-26 S. A. Tyul'bashev , M. A. Kitaeva , G. E. Tyul'basheva

Millisecond and binary pulsars are the most stable natural frequency standards which admits to introduce modified versions of universal and ephemeris time scales based correspondingly on the intrinsic rotation of pulsar and on its orbital…

Data Analysis, Statistics and Probability · Physics 2007-05-23 Sergei M. Kopeikin , Vladimir A. Potapov

We report the discovery of the millisecond pulsar PSR J2043+1711 in a search of a Fermi Large Area Telescope (LAT) source with no known associations, with the Nancay Radio Telescope. The new pulsar, confirmed with the Green Bank Telescope,…

LOFAR is the only radio telescope that is presently capable of high-sensitivity, high-resolution (<1 mJy/b and <15") observations at ultra-low frequencies (<100 MHz). To utilise these capabilities, the LOFAR Surveys Key Science Project is…

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…

LOFAR, the Low Frequency Array, is a next-generation radio telescope that is being built in Northern Europe and expected to be fully operational at the end of this decade. It will operate at frequencies from 15 to 240 MHz (corresponding to…

We report on the follow-up observations of circularly polarized sources identified in the MeerKAT image-based survey of the Galactic bulge. Using the Parkes radio telescope, we observed sixteen circularly polarized sources with the UWL…

High Energy Astrophysical Phenomena · Physics 2026-03-17 Rahul Sengar , Akash Anumarlapudi , David L. Kaplan , Dale A. Frail , Scott D. Hyman , Emil Polisensky

The low frequency array (LOFAR), is the first radio telescope designed with the capability to measure radio emission from cosmic-ray induced air showers in parallel with interferometric observations. In the first $\sim 2\,\mathrm{years}$ of…

Instrumentation and Methods for Astrophysics · Physics 2014-06-27 P. Schellart , A. Nelles , S. Buitink , A. Corstanje , J. E. Enriquez , H. Falcke , W. Frieswijk , J. R. Hörandel , A. Horneffer , C. W. James , M. Krause , M. Mevius , O. Scholten , S. ter Veen , S. Thoudam , M. van den Akker , A. Alexov , J. Anderson , I. M. Avruch , L. Bähren , R. Beck , M. E. Bell , P. Bennema , M. J. Bentum , G. Bernardi , P. Best , J. Bregman , F. Breitling , M. Brentjens , J. Broderick , M. Brüggen , B. Ciardi , A. Coolen , F. de Gasperin , E. de Geus , A. de Jong , M. de Vos , S. Duscha , J. Eislöffel , R. A. Fallows , C. Ferrari , M. A. Garrett , J. Grießmeier , T. Grit , J. P. Hamaker , T. E. Hassall , G. Heald , J. W. T. Hessels , M. Hoeft , H. A. Holties , M. Iacobelli , E. Juette , A. Karastergiou , W. Klijn , J. Kohler , V. I. Kondratiev , M. Kramer , M. Kuniyoshi , G. Kuper , P. Maat , G. Macario , G. Mann , S. Markoff , D. McKay-Bukowski , J. P. McKean , J. C. A. Miller-Jones , J. D. Mol , D. D. Mulcahy , H. Munk , R. Nijboer , M. J. Norden , E. Orru , R. Overeem , H. Paas , M. Pandey-Pommier , R. Pizzo , A. G. Polatidis , A. Renting , J. W. Romein , H. Röttgering , A. Schoenmakers , D. Schwarz , J. Sluman , O. Smirnov , C. Sobey , B. W. Stappers , M. Steinmetz , J. Swinbank , Y. Tang , C. Tasse , C. Toribio , J. van Leeuwen , R. van Nieuwpoort , R. J. van Weeren , N. Vermaas , R. Vermeulen , C. Vocks , C. Vogt , R. A. M. J. Wijers , S. J. Wijnholds , M. W. Wise , O. Wucknitz , S. Yatawatta , P. Zarka , A. Zensus

We report on the setup and initial discoveries of the Northern High Time Resolution Universe survey for pulsars and fast transients, the first major pulsar survey conducted with the 100-m Effelsberg radio telescope and the first in 20 years…

We have conducted a search for pulsar companions to 15 low-mass white dwarfs (LMWDs; M < 0.4 M_Sun) at 820 MHz with the NRAO Green Bank Telescope (GBT). These LMWDs were spectroscopically identified in the Sloan Digital Sky Survey (SDSS),…

Solar and Stellar Astrophysics · Physics 2011-02-11 Marcel A. Agueros , Fernando Camilo , Nicole M. Silvestri , S. J. Kleinman , Scott F. Anderson , James W. Liebert

We describe PSR J1926-0652, a pulsar recently discovered with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). Using sensitive single-pulse detections from FAST and long-term timing observations from the Parkes 64-m radio…

The Fermi Large Area Telescope, in collaboration with several groups from the radio community, have had marvellous success at uncovering new gamma-ray millisecond pulsars (MSPs). In fact, MSPs now make up a sizable fraction of the total…

High Energy Astrophysical Phenomena · Physics 2015-05-19 C. Venter , A. K. Harding , T. J. Johnson

Millisecond pulsars (MSPs) have been established as a class of high-energy ($\geq$0.1 GeV) emitters with the Large Area Telescope (LAT) aboard the \emph{Fermi Gamma-ray Space Telescope}. Most MSP gamma-ray light curves display sharp peaks…

High Energy Astrophysical Phenomena · Physics 2012-09-19 T. J. Johnson
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