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Related papers: Evidence for profile changes in PSR J1713+0747 usi…

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We report on a detailed analysis of the radio emission during the different modes of the pulsar J0826+2637 (B0823+26), observed using the Giant Meterwave Radio Telescope at 306-339 MHz observing frequencies. The pulsar profile has a…

High Energy Astrophysical Phenomena · Physics 2019-06-19 Rahul Basu , Dipanjan Mitra

Reprocessing of the Parkes Multibeam Pulsar Survey has resulted in the discovery of five previously unknown pulsars and several as-yet-unconfirmed candidates. PSR J0922-52 has a period of 9.68 ms and a DM of 122.4 pc cm^-3. PSR J1147-66 has…

We have presented NuSTAR and Swift observations of the newly discovered Be/X-ray pulsar eRASSU J052914.9-662446. This is the first detailed study of the temporal and spectral properties of the pulsar using 2020 observations. A coherent…

High Energy Astrophysical Phenomena · Physics 2022-09-29 Binay Rai , Manoj Ghising , Mohammed Tobrej , Ruchi Tamang , Bikash Chandra Paul

We report on a high-precision timing analysis and an astrophysical study of the binary millisecond pulsar, PSR J1909$-$3744, motivated by the accumulation of data with well improved quality over the past decade. Using 15 years of…

High Energy Astrophysical Phenomena · Physics 2022-11-23 K. Liu , L. Guillemot , A. G. Istrate , L. Shao , T. M. Tauris , N. Wex , J. Antoniadis , A. Chalumeau , I. Cognard , G. Desvignes , P. C. C. Freire , M. S. Kehl , G. Theureau

We report on a search for optical pulsations from PSR J0337+1715 at its observed radio pulse period. PSR J0337+1715 is a millisecond pulsar (2.7 ms spin period) in a triple hierarchical system with two white dwarfs, and has a known optical…

High Energy Astrophysical Phenomena · Physics 2016-04-06 M. J. Strader , A. M. Archibald , S. R. Meeker , P. Szypryt , A. B. Walter , J. C. van Eyken , G. Ulbricht , C. Stoughton , B. Bumble , D. L. Kaplan , B. A. Mazin

We present an analysis of approximately 200 hours of observations of the pulsars J1634$-$5107, J1717$-$4054 and J1853$+$0505, taken over the course of 14.7 yr. We show that all of these objects exhibit long term nulls and radio-emitting…

High Energy Astrophysical Phenomena · Physics 2015-06-24 N. J. Young , P. Weltevrede , B. W. Stappers , A. G. Lyne , M. Kramer

In this paper, we report radio observations of the Galactic Center magnetar PSR J1745-2900 at six epochs between June and October, 2014. These observations were carried out using the new Shanghai Tian Ma Radio Telescope at a frequency of…

After spending almost a decade in a radio-quiet state, the Anomalous X-ray Pulsar XTE J1810-197 turned back on in early December 2018. We have observed this radio magnetar at 1.5 GHz with ~daily cadence since the first detection of radio…

High Energy Astrophysical Phenomena · Physics 2019-08-07 L. Levin , A. G. Lyne , G. Desvignes , R. P. Eatough , R. Karuppusamy , M. Kramer , M. Mickaliger , B. W. Stappers , P. Weltevrede

We report on Green Bank Telescope observations of the radio magnetar Swift J1818.0--1607 between 820 MHz and 35 GHz, taken from six to nine months after its 2020 March outburst. We obtained multi-hour observations at six frequencies,…

High Energy Astrophysical Phenomena · Physics 2025-07-17 Evan F. Lewis , Harsha Blumer , Ryan S. Lynch , Maura A. McLaughlin

In a search of the unidentified Fermi gamma-ray source 3FGL J1417.5-4402 with the Parkes radio telescope, we discovered PSR J1417-4402, a 2.66 ms pulsar having the same 5.4 day orbital period as the optical and X-ray binary identified by…

Solar and Stellar Astrophysics · Physics 2016-03-23 F. Camilo , J. E. Reynolds , S. M. Ransom , J. P. Halpern , S. Bogdanov , M. Kerr , P. S. Ray , J. M. Cordes , J. Sarkissian , E. D. Barr , E. C. Ferrara

We present long-term observations of two intermittent pulsars, PSRs~J1832+0029 and J1841$-$0500 using the Parkes 64\,m radio telescope. The radio emission for these pulsars switches "off" for year-long durations. Our new observations have…

High Energy Astrophysical Phenomena · Physics 2020-07-08 S. Q. Wang , J. B. Wang , G. Hobbs , S. B. Zhang , R. M. Shannon , S. Dai , R. Hollow , M. Kerr , V. Ravi , N. Wang , L. Zhang

We have analyzed 5.5 years of timing observations of 7 'slowly' rotating radio pulsars, made with the Westerbork Synthesis Radio Telescope. We present improved timing solutions and 30, mostly small, new glitches. Particularly interesting…

Astrophysics · Physics 2009-11-11 G. H. Janssen , B. W. Stappers

To assist with the commissioning (Jiang et al. 2019) of the Five-hundred-meter Aperture Spherical radio Telescope (FAST), we performed a pulsar search, with the primary goal of developing and testing the pulsar data acquisition and…

By analysing the data acquired from the Parkes 64-m radio telescope at 1369 MHz, we report on the phase-stationary non-drift amplitude modulation observed in PSR J1048-5832. The high-sensitivity observations revealed that the central and…

High Energy Astrophysical Phenomena · Physics 2020-01-08 W. M. Yan , R. N. Manchester , N. Wang , Z. G. Wen , J. P. Yuan , K. J. Lee , J. L. Chen

PSR J1734-3333 is a radio pulsar rotating with a period P=1.17 s and slowing down with a period derivative Pdot=2.28 x 10^{-12}, the third largest among rotation-powered pulsars. These properties are midway between those of normal…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Cristobal M. Espinoza , Andrew Lyne , Michael Kramer , Richard N. Manchester , Victoria Kaspi

The mode switching phenomenon of PSR J0614+2229 was studied by using the archived observations at 686, 1369 and 3100 MHz with the Parkes radio telescope which have not been published before, and combining existing observations from the…

High Energy Astrophysical Phenomena · Physics 2020-02-13 Yanrong Zhang , Hongguang Wang , Xiujian Huang , Jianling Chen

We report on a NuSTAR observation of the young, energetic pulsar PSR J1617-5055. Parkes Observatory 3 GHz radio observations of the pulsar (taken about 7 years before the NuSTAR observations) are also reported here. NuSTAR detected…

High Energy Astrophysical Phenomena · Physics 2022-01-05 J. Hare , I. Volkov , G. G. Pavlov , O. Kargaltsev , S. Johnston

The timing properties of the millisecond pulsar PSR J1939+2134 -- very high rotation frequency, very low time derivative of rotation frequency, no timing glitches and relatively low timing noise -- are responsible for its exceptional timing…

High Energy Astrophysical Phenomena · Physics 2020-08-10 M. Vivekanand

Many pulsars in the known population exhibit nulling, which is characterised by a sudden cessation and subsequent restoration of radio emission. In this work, we present the localization, timing, and emission properties of a GHRSS…

High Energy Astrophysical Phenomena · Physics 2023-07-12 Shubham Singh , Jayanta Roy , Shyam Sunder , Bhaswati Bhattacharyya , Sanjay Kudale

We report on the discovery of PSR J1141-6545, a radio pulsar in an eccentric, relativistic 5-hr binary orbit. The pulsar shows no evidence for being recycled, having pulse period P = 394 ms, characteristic age tau_c = 1.4 x 10^6 yr, and…