Related papers: Arecibo PALFA Survey and Einstein@Home: Binary Pul…

Einstein@Home Discovery of a PALFA Millisecond Pulsar in an Eccentric Binary Orbit

We report the discovery of the millisecond pulsar (MSP) PSR J1950+2414 ($P=4.3$ ms) in a binary system with an eccentric ($e=0.08$) 22-day orbit in Pulsar ALFA survey observations with the Arecibo telescope. Its companion star has a median…

High Energy Astrophysical Phenomena · Physics 2016-07-21 B. Knispel , A. G. Lyne , B. W. Stappers , P. C. C. Freire , P. Lazarus , B. Allen , C. Aulbert , O. Bock , S. Bogdanov , A. Brazier , F. Camilo , F. Cardoso , S. Chatterjee , J. M. Cordes , F. Crawford , J. S. Deneva , H. -B. Eggenstein , H. Fehrmann , R. Ferdman , J. W. T. Hessels , F. A. Jenet , C. Karako-Argaman , V. M. Kaspi , J. van Leeuwen , D. R. Lorimer , R. Lynch , B. Machenschalk , E. Madsen , M. A. McLaughlin , C. Patel , S. M. Ransom , P. Scholz , X. Siemens , L. G. Spitler , I. H. Stairs , K. Stovall , J. K. Swiggum , A. Venkataraman , R. S. Wharton , W. W. Zhu

Einstein@Home discovery of a Double-Neutron Star Binary in the PALFA Survey

We report here the Einstein@Home discovery of PSR J1913+1102, a 27.3-ms pulsar found in data from the ongoing Arecibo PALFA pulsar survey. The pulsar is in a 4.95-hr double neutron star (DNS) system with an eccentricity of 0.089. From radio…

High Energy Astrophysical Phenomena · Physics 2018-04-03 P. Lazarus , P. C. C. Freire , B. Allen , S. Bogdanov , A. Brazier , F. Camilo , F. Cardoso , S. Chatterjee , J. M. Cordes , F. Crawford , J. S. Deneva , R. Ferdman , J. W. T. Hessels , F. A. Jenet , C. Karako-Argaman , V. M. Kaspi , B. Knispel , R. Lynch , J. van Leeuwen , E. Madsen , M. A. McLaughlin , C. Patel , S. M. Ransom , P. Scholz , A. Seymour , X. Siemens , L. G. Spitler , I. H. Stairs , K. Stovall , J. Swiggum , A. Venkataraman , W. W. Zhu

Eight Millisecond Pulsars Discovered in the Arecibo PALFA Survey

We report on eight millisecond pulsars (MSPs) in binary systems discovered with the Arecibo PALFA survey. Phase-coherent timing solutions derived from 2.5 to 5 years of observations carried out at Arecibo and Jodrell Bank observatories are…

High Energy Astrophysical Phenomena · Physics 2019-12-18 E. Parent , V. M. Kaspi , S. M. Ransom , P. C. C. Freire , A. Brazier , F. Camilo , S. Chatterjee , J. M. Cordes , F. Crawford , J. S. Deneva , R. D. Ferdman , J. W. T. Hessels , J. van Leeuwen , A. G. Lyne , E. C. Madsen , M. A. McLaughlin , C. Patel , P. Scholz , I. H. Stairs , B. W. Stappers , W. W. Zhu

Timing of a Young Mildly Recycled Pulsar with a Massive White Dwarf Companion

We report on timing observations of the recently discovered binary pulsar PSR J1952+2630 using the Arecibo Observatory. The mildly recycled 20.7-ms pulsar is in a 9.4-hr orbit with a massive, M_WD > 0.93 M_sun, white dwarf (WD) companion.…

Solar and Stellar Astrophysics · Physics 2015-06-17 P. Lazarus , T. M. Tauris , B. Knispel , P. C. C. Freire , J. S. Deneva , V. M. Kaspi , B. Allen , S. Bogdanov , S. Chatterjee , I. H. Stairs , W. W. Zhu

New Binary and Millisecond Pulsars from Arecibo Drift-Scan Searches

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…

Astrophysics · Physics 2007-05-23 M. A. McLaughlin , D. R. Lorimer , D. J. Champion , Z. Arzoumanian , D. C. Backer , J. M. Cordes , A. S. Fruchter , A. N. Lommen , K. M. Xilouris

Discovery of 10 pulsars in an Arecibo drift-scan survey

We present the results of a 430-MHz survey for pulsars conducted during the upgrade to the 305-m Arecibo radio telescope. Our survey covered a total of 1147 square degrees of sky using a drift-scan technique. We detected 33 pulsars, 10 of…

Astrophysics · Physics 2009-11-10 D. R. Lorimer , K. M. Xilouris , A. S. Fruchter , I. H. Stairs , F. Camilo , A. M. Vazquez , J. A. Eder , M. A. McLaughlin , M. S. E. Roberts , J. W. T. Hessels , S. M. Ransom

The Einstein@Home search for radio pulsars and PSR J2007+2722 discovery

Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 193 countries, to search for new neutron stars using data from electromagnetic and gravitational-wave detectors. This paper presents a detailed…

Instrumentation and Methods for Astrophysics · Physics 2013-08-13 B. Allen , B. Knispel , J. M. Cordes , J. S. Deneva , J. W. T. Hessels , D. Anderson , C. Aulbert , O. Bock , A. Brazier , S. Chatterjee , P. B. Demorest , H. B. Eggenstein , H. Fehrmann , E. V. Gotthelf , D. Hammer , V. M. Kaspi , M. Kramer , A. G. Lyne , B. Machenschalk , M. A. McLaughlin , C. Messenger , H. J. Pletsch , S. M. Ransom , I. H. Stairs , B. W. Stappers , N. D. R. Bhat , S. Bogdanov , F. Camilo , D. J. Champion , F. Crawford , G. Desvignes , P. C. C. Freire , G. Heald , F. A. Jenet , P. Lazarus , K. J. Lee , J. van Leeuwen , R. Lynch , M. A. Papa , R. Prix , R. Rosen , P. Scholz , X. Siemens , K. Stovall , A. Venkataraman , W. Zhu

Two Millisecond Pulsars Discovered by the PALFA Survey and a Shapiro Delay Measurement

We present two millisecond pulsar discoveries from the PALFA survey of the Galactic plane with the Arecibo telescope. PSR J1955+2527 is an isolated pulsar with a period of 4.87 ms, and PSR J1949+3106 has a period of 13.14 ms and is in a…

Solar and Stellar Astrophysics · Physics 2015-06-11 J. S. Deneva , P. C. C. Freire , J. M. Cordes , A. G. Lyne , S. M. Ransom , I. Cognard , F. Camilo , D. J. Nice , I. H. Stairs , B. Allen , N. D. R. Bhat , S. Bogdanov , A. Brazier , D. J. Champion , S. Chatterjee , F. Crawford , G. Desvignes , J. W. T. Hessels , F. A. Jenet , V. M. Kaspi , B. Knispel , M. Kramer , P. Lazarus , J. van Leeuwen , D. R. Lorimer , R. S. Lynch , M. A. McLaughlin , P. Scholz , X. Siemens , B. W. Stappers , K. Stovall , A. Venkataraman

Mass measurements for two binary pulsars discovered in the PALFA survey

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…

Solar and Stellar Astrophysics · Physics 2019-09-04 W. W. Zhu , P. C. C. Freire , B. Knispel , B. Allen , B. W. Stappers , A. G. Lyne , S. Chatterjee , J. M. Cordes , F. Crawford , J. S. Deneva , R. D. Ferdman , J. W. T. Hessels , V. M. Kaspi , P. Lazarus , R. Lynch , S. M. Ransom , K. Stovall , J. Y. Donner

An Eccentric Binary Millisecond Pulsar in the Galactic Plane

Binary pulsar systems are superb probes of stellar and binary evolution and the physics of extreme environments. In a survey with the Arecibo telescope, we have found PSR J1903+0327, a radio pulsar with a rotational period of 2.15 ms in a…

Astrophysics · Physics 2009-11-13 D. J. Champion , S. M. Ransom , P. Lazarus , F. Camilo , C. Bassa , V. M. Kaspi , D. J. Nice , P. C. C. Freire , I. H. Stairs , J. van Leeuwen , B. W. Stappers , J. M. Cordes , J. W. T. Hessels , D. R. Lorimer , Z. Arzoumanian , D. C. Backer , N. D. R. Bhat , S. Chatterjee , I. Cognard , J. S. Deneva , C. -A. Faucher-Giguere , B. M. Gaensler , J. L. Han , F. A. Jenet , L. Kasian , V. I. Kondratiev , M. Kramer , J. Lazio , M. A. McLaughlin , A. Venkataraman , W. Vlemmings

Pulsar Discovery by Global Volunteer Computing

Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 192 countries to "mine" large data sets. It has now found a 40.8 Hz isolated pulsar in radio survey data from the Arecibo Observatory taken in February…

Astrophysics of Galaxies · Physics 2011-04-18 B. Knispel , B. Allen , J. M. Cordes , J. S. Deneva , D. Anderson , C. Aulbert , N. D. R. Bhat , O. Bock , S. Bogdanov , A. Brazier , F. Camilo , D. J. Champion , S. Chatterjee , F. Crawford , P. B. Demorest , H. Fehrmann , P. C. C. Freire , M. E. Gonzalez , D. Hammer , J. W. T. Hessels , F. A. Jenet , L. Kasian , V. M. Kaspi , M. Kramer , P. Lazarus , J. van Leeuwen , D. R. Lorimer , A. G. Lyne B. Machenschalk , M. A. McLaughlin , C. Messenger , D. J. Nice , M. A. Papa , H. J. Pletsch , R. Prix , S. M. Ransom , X. Siemens , I. H. Stairs , B. W. Stappers , K. Stovall , A. Venkataraman

PSR J1829+2456: a relativistic binary pulsar

We report the discovery of a new binary pulsar, PSR J1829+2456, found during a mid-latitude drift-scan survey with the Arecibo telescope. Our initial timing observations show the 41-ms pulsar to be in a 28-hr, slightly eccentric, binary…

Astrophysics · Physics 2009-11-10 D. J. Champion , D. R. Lorimer , M. A. McLaughlin , J. M. Cordes , Z. Arzoumanian , J. M. Weisberg , J. H. Taylor

Pulsar J1411+2551: A Low Mass New Double Neutron Star System

In this work, we report the discovery and characterization of PSR J1411+2551, a new binary pulsar discovered in the Arecibo 327 MHz Drift Pulsar Survey. Our timing observations of the radio pulsar in the system span a period of about 2.5…

High Energy Astrophysical Phenomena · Physics 2018-04-03 J. G. Martinez , K. Stovall , P. C. C. Freire , J. S. Deneva , T. M. Tauris , A. Ridolfi , N. Wex , F. A. Jenet , M. A. McLaughlin , M. Bagchi

PALFA Discovery of a Highly Relativistic Double Neutron Star Binary

We report the discovery and initial follow-up of a double neutron star (DNS) system, PSR J1946$+$2052, with the Arecibo L-Band Feed Array pulsar (PALFA) survey. PSR J1946$+$2052 is a 17-ms pulsar in a 1.88-hour, eccentric ($e \, =\, 0.06$)…

High Energy Astrophysical Phenomena · Physics 2018-04-03 K. Stovall , P. C. C. Freire , S. Chatterjee , P. B. Demorest , D. R. Lorimer , M. A. McLaughlin , N. Pol , J. van Leeuwen , R. S. Wharton , B. Allen , M. Boyce , A. Brazier , K. Caballero , F. Camilo , R. Camuccio , J. M. Cordes , F. Crawford , J. S. Deneva , R. D. Ferdman , J. W. T. Hessels , F. A. Jenet , V. M. Kaspi , B. Knispel , P. Lazarus , R. Lynch , E. Parent , C. Patel , Z. Pleunis , S. M. Ransom , P. Scholz , A. Seymour , X. Siemens , I. H. Stairs , J. Swiggum , W. W. Zhu

Arecibo and FAST Timing Follow-up of twelve Millisecond Pulsars Discovered in Commensal Radio Astronomy FAST Survey

We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of twelve millisecond pulsars (MSPs) discovered with the Five-hundred-meter Aperture…

High Energy Astrophysical Phenomena · Physics 2022-07-20 C. C. Miao , W. W. Zhu , D. Li , P. C. C. Freire , J. R. Niu , P. Wang , J. P. Yuan , M. Y. Xue , A. D. Cameron , D. J. Champion , M. Cruces , Y. T. Chen , M. M. Chi , X. F. Cheng , S. J. Dang , M. F. Ding , Y. Feng , Z. Y. Gan , G. Hobbs , M. Kramer , Z. J. Liu , Y. X. Li , Z. K. Luo , X. L. Miao , L. Q. Meng , C. H. Niu , Z. C. Pan , L. Qian , Z. Y. Sun , N. Wang , S. Q. Wang , J. B. Wang , Q. D. Wu , Y. B. Wang , C. J. Wang , H. F. Wang , S. Wang , X. Y. Xie , M. Xie , Y. F. Xiao , M. Yuan , Y. L. Yue , J. M. Yao , W. M. Yan , S. P. You , X. H. Yu , D. Zhao , R. S. Zhao , L. Zhang

Arecibo and the ALFA Pulsar Survey

The recently started Arecibo L-band Feed Array (ALFA) pulsar survey aims to find ~1000 new pulsars. Due to its high time and frequency resolution the survey is especially sensitive to millisecond pulsars, which have the potential to test…

Astrophysics · Physics 2007-05-23 J. van Leeuwen , J. M. Cordes , D. R. Lorimer , P. C. C. Freire , F. Camilo , I. H. Stairs , D. J. Nice , D. J. Champion , R. Ramachandran , A. J. Faulkner , A. G. Lyne , S. M. Ransom , Z. Arzoumanian , R. N. Manchester , M. A. McLaughlin , J. W. T. Hessels , W. Vlemmings , A. A. Deshpande , N. D. R. Bhat , S. Chatterjee , J. L. Han , B. M. Gaensler , L. Kasian , J. S. Deneva , B. Reid , T. J. W. Lazio , V. M. Kaspi , F. Crawford , A. N. Lommen , D. C. Backer , M. Kramer , B. W. Stappers , G. B. Hobbs , A. Possenti , N. D'Amico , C. -A. Faucher-Giguère , M. Burgay

Study of 72 pulsars discovered in the PALFA survey: Timing analysis, glitch activity, emission variability, and a pulsar in an eccentric binary

We present new discoveries and results from long-term timing of 72 pulsars discovered in the Arecibo PALFA survey, including precise determination of astrometric and spin parameters, and flux density and scatter broadening measurements at…

High Energy Astrophysical Phenomena · Physics 2022-01-26 E. Parent , H. Sewalls , P. C. C. Freire , T. Matheny , A. G. Lyne , B. B. P. Perera , F. Cardoso , M. A. McLaughlin , B. Allen , A. Brazier , F. Camilo , S. Chatterjee , J. M. Cordes , F. Crawford , J. S. Deneva , F. A. Dong , R. D. Ferdman , E. Fonseca , J. W. T. Hessels , V. M. Kaspi , B. Knispel , J. van Leeuwen , R. S. Lynch , B. M. Meyers , J. W. McKee , M. B. Mickaliger , C. Patel , S. M. Ransom , A. Rochon , P. Scholz , I. H. Stairs , B. W. Stappers , C. M. Tan , W. W. Zhu

The Deceptively Boring PSR J1738+0333

We present preliminary results of 7 years of Arecibo timing of the pulsar-white dwarf binary PSR J1738+0333. We can measure the proper motion, parallax with excellent precision and have detected the orbital decay. Furthermore, the companion…

Astrophysics of Galaxies · Physics 2010-06-04 Paulo Freire , Norbert Wex

A precise mass measurement of the intermediate-mass binary pulsar PSR J1802-2124

PSR J1802-2124 is a 12.6-ms pulsar in a 16.8-hour binary orbit with a relatively massive white dwarf (WD) companion. These properties make it a member of the intermediate-mass class of binary pulsar (IMBP) systems. We have been timing this…

Solar and Stellar Astrophysics · Physics 2015-05-18 Robert D. Ferdman , Ingrid H. Stairs , Michael Kramer , Maura A. McLaughlin , Duncan R. Lorimer , David J. Nice , Richard N. Manchester , George Hobbs , Andrew G. Lyne , Fernando Camilo , Andrea Possenti , Paul B. Demorest , Ismael Cognard , Gregory Desvignes , Gilles Theureau , Andrew Faulkner , Donald C. Backer

The Arecibo 430-MHz Intermediate Galactic Latitude Survey: Discovery of Nine Radio Pulsars

We have used the Arecibo Radio Telescope to search for millisecond pulsars in two intermediate Galactic latitude regions (7 deg < | b | < 20 deg) accessible to this telescope. For these latitudes the useful millisecond pulsar search volume…

Astrophysics · Physics 2008-11-26 Jose Navarro , Stuart Anderson , Paulo C. Freire