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Related papers: PSR J1518+4904: A Mildly Relativistic Binary Pulsa…

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A new pulsar, 1SAX J1452.8-5949, was discovered during a BeppoSAX galactic plane survey on 1999 July 20 at R.A.=14h 52m 49s, Dec=-59 49' 18'' (J2000) with a 90% confidence uncertainty radius of 50''. Coherent pulsations were detected with a…

We present results and applications of high precision timing measurements of the millisecond pulsar J1012+5307. Combining our radio observations with results based on optical observations, we derive complete 3-D velocity information for…

Astrophysics · Physics 2009-11-06 Ch. Lange , F. Camilo , N. Wex , M. Kramer , D. C. Backer , A. G. Lyne , O. Doroshenko

We report the discovery of the 20.7 ms binary pulsar J1952+2630, made using the distributed computing project Einstein@Home in Pulsar ALFA survey observations with the Arecibo telescope. Follow-up observations with the Arecibo telescope…

We discuss four recycled pulsars found in Arecibo drift-scan searches. PSR J1944+0907 has a spin period of 5.2 ms and is isolated. The 5.8-ms pulsar J1453+19 may have a low-mass companion. We discuss these pulsars in the context of isolated…

Analysis of ten years of high-precision timing data on the millisecond pulsar PSR J0437-4715 has resulted in a model-independent kinematic distance based on an apparent orbital period derivative, Pbdot, determined at the 1.5% level of…

We present 3 yr of timing observations for PSR J1453+1902, a 5.79-ms pulsar discovered during a 430-MHz drift-scan survey with the Arecibo telescope. Our observations show that PSR J1453+1902 is solitary and has a proper motion of 8(2)…

Astrophysics · Physics 2009-06-23 D. R. Lorimer , M. A. McLaughlin , D. J. Champion , I. H. Stairs

We present the results of a timing analysis undertaken with the goal of obtaining an improved mass measurement of the recycled pulsar J2045+3633. Using regular high-cadence observations with the Effelsberg, Nan\c{c}ay, and Lovell radio…

We present the results of precision timing observations of the binary millisecond pulsar PSR J1640+2224. Combining the pulse arrival time measurements made with the Effelsberg 100-m radio telescope and the Arecibo 305-m radio telescope, we…

Astrophysics · Physics 2009-11-10 O. Loehmer , W. Lewandowski , A. Wolszczan , R. Wielebinski

We have investigated the radio emission from the anomalous X-ray pulsar 1E 1547.0-5408 (PSR J1550-5418) using the Parkes telescope and the Australia Telescope Compact Array. The flux density of the pulsar is roughly the same between 1.4 and…

Astrophysics · Physics 2009-11-13 F. Camilo , J. Reynolds , S. Johnston , J. P. Halpern , S. M. Ransom

We present an analysis of the spin and orbital properties of the newly discovered accreting pulsar IGR J17480-2446, located in the globular cluster Terzan 5. Considering the pulses detected by the Rossi X-ray Timing Explorer at a period of…

High Energy Astrophysical Phenomena · Physics 2015-05-20 A. Papitto , A. D'Ai' , S. Motta , A. Riggio , L. Burderi , T. Di Salvo , T. Belloni , R. Iaria

We have continued our long term study of the double-neutron-star binary pulsar PSR B1534+12, using new instrumentation to make very high precision measurements at the Arecibo Observatory. We have significantly improved our solution for the…

Astrophysics · Physics 2009-11-07 I. H. Stairs , S. E. Thorsett , J. H. Taylor , A. Wolszczan

Context. Two millisecond pulsars, PSR J1513$-$2550 and PSR J2017$-$1614, with spin periods of about 2.1 and 2.3 ms were recently discovered in the radio and $\gamma$-rays and classified as black widow pulsars in tight binary stellar systems…

High Energy Astrophysical Phenomena · Physics 2024-10-24 A. V. Bobakov , A. Yu. Kirichenko , S. V. Zharikov , A. V. Karpova , D. A. Zyuzin , Yu. A. Shibanov , R. E. Mennickent , D. Garcia-Álvarez

We present a high-precision timing analysis of PSR J1933$-$6211, a millisecond pulsar (MSP) with a 3.5-ms spin period and a white dwarf (WD) companion, using data from the Parkes radio telescope. Since we have accurately measured the…

High Energy Astrophysical Phenomena · Physics 2017-09-06 E. Graikou , J. P. W. Verbiest , S. Oslowski , D. J. Champion , T. M. Tauris , F. Jankowski , M. Kramer

PSR J1306--40 is a millisecond pulsar binary with a non-degenerate companion in an unusually long $\sim$1.097 day orbit. We present new optical photometry and spectroscopy of this system, and model these data to constrain fundamental…

High Energy Astrophysical Phenomena · Physics 2019-05-01 Samuel J. Swihart , Jay Strader , Laura Chomiuk , Laura Shishkovsky

PSR J1713+0747 is a binary system comprising millisecond radio pulsar with a spin period of 4.57 ms, and a low-mass white dwarf (WD) companion orbiting the pulsar with a period of 67.8 days. Using the general relativistic Shapiro delay, the…

High Energy Astrophysical Phenomena · Physics 2015-05-27 Wen-Cong Chen , Jorge A. Panei

In this paper, we present the results of timing observations of PSRs J1949+3106 and J1950+2414, two binary millisecond pulsars discovered in data from the Arecibo ALFA pulsar survey (PALFA). The timing parameters include precise…

PSR J1455$-$3330 is a $\sim$7.98 ms pulsar in a $\sim$76.17 day nearly circular orbit with a white dwarf companion. In this work, we combine the available Lovell, Nan\c{c}ay decimetric Radio Telescope, Green Bank, and MeerKAT pulsar timing…

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 report the discovery and the results of follow-up timing observations of PSR J2045+3633 and PSR J2053+4650, two binary pulsars found in the Northern High Time Resolution Universe pulsar survey being carried out with the Effelsberg radio…

We report the discovery of PSR~J2251$-$3711, a radio pulsar with a spin period of 12.1 seconds, the second longest currently known. Its timing parameters imply a characteristic age of 15 Myr, a surface magnetic field of $1.3 \times…

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