English
Related papers

Related papers: The International Pulsar Timing Array: A Galactic …

200 papers

After large galaxies merge, their central supermassive black holes are expected to form binary systems whose orbital motion generates a gravitational wave background (GWB) at nanohertz frequencies. Searches for this background utilize…

High Energy Astrophysical Phenomena · Physics 2022-04-12 M. Ajello , W. B. Atwood , L. Baldini , J. Ballet , G. Barbiellini , D. Bastieri , R. Bellazzini , A. Berretta , B. Bhattacharyya , E. Bissaldi , R. D. Blandford , E. Bloom , R. Bonino , P. Bruel , R. Buehler , E. Burns , S. Buson , R. A. Cameron , P. A. Caraveo , E. Cavazzuti , N. Cibrario , S. Ciprini , C. J. Clark , I. Cognard , J. Coronado-Blázquez , M. Crnogorcevic , H. Cromartie , K. Crowter , S. Cutini , F. D'Ammando , S. D. Gaetano , F. d. Palma , S. W. Digel , N. D. Lalla , F. Fan. Dirirsa , L. D. Venere , A. Domínguez , E. C. Ferrara , A. Fiori , A. Franckowiak , Y. Fukazawa , S. Funk , P. Fusco , V. Gammaldi , F. Gargano , D. Gasparrini , N. Giglietto , F. Giordano , M. Giroletti , D. Green , I. A. Grenier , L. Guillemot , S. Guiriec , M. Gustafsson , A. K. Harding , E. Hays , J. W. Hewitt , D. Horan , X. Hou , G. Jóhannesson , M. J. Keith , M. Kerr , M. Kramer , M. Kuss , S. Larsson , L. Latronico , J. Li , F. Longo , F. Loparco , M. N. Lovellette , P. Lubrano , S. Maldera , A. Manfreda , G. Martí-Devesa , M. N. Mazziotta , I. Mereu , P. F. Michelson , N. Mirabal , W. Mitthumsiri , T. Mizuno , M. E. Monzani , A. Morselli , M. Negro , L. Nieder , R. Ojha , N. Omodei , M. Orienti , E. Orlando , J. F. Ormes , D. Paneque , A. Parthasarathy , Z. Pei , M. Persic , M. Pesce-Rollins , R. Pillera , H. Poon , T. A. Porter , G. Principe , J. L. Racusin , S. Rainò , R. Rando , B. Rani , S. M. Ransom , P. S. Ray , M. Razzano , S. Razzaque , A. Reimer , O. Reimer , J. Roy , M. Sánchez-Conde , P. M. Sa. Parkinson , J. Scargle , L. Scotton , D. Serini , C. Sgrò , E. J. Siskind , D. A. Smith , G. Spandre , R. Spiewak , P. Spinelli , I. Stairs , D. J. Suson , S. J. Swihart , S. Tabassum , J. B. Thayer , G. Theureau , D. F. Torres , E. Troja , J. Valverde , Z. Wadiasingh , K. Wood , G. Zaharijas

Nancay radiotelescope is involved in high precision timing since 20 years. Since 2004, a coherent dedispersion instrumentation enables numerous routine observations on more than 200 pulsars using half of the time if this 100-meters class…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-10 I. Cognard , G. Theureau , G. Desvignes , R. Ferdman

Radio telescopes are used to accurately measure the time of arrival (ToA) of radio pulses in pulsar timing experiments that target mostly millisecond pulsars (MSPs) due to their high rotational stability. This allows for detailed study of…

Instrumentation and Methods for Astrophysics · Physics 2015-09-09 Griffin Foster , Aris Karastergiou , Remi Paulin , Tobia Carozzi , Simon Johnston , Willem van Straten

Pulsars, the cosmic lighthouses, are strongly self-gravitating objects with core densities significantly exceeding nuclear density. Since the discovery of the Hulse--Taylor pulsar 50 years ago, binary pulsar studies have delivered numerous…

High Energy Astrophysical Phenomena · Physics 2025-07-15 Huanchen Hu

We investigate the possibilities that pulsars act as the lens in gravitational microlensing events towards the galactic bulge or a spiral arm. Our estimation is based on expectant survey and observations of FAST (Five hundred meter Aperture…

High Energy Astrophysical Phenomena · Physics 2015-05-14 S. Dai , R. X. Xu , A. Esamdin

Pulsar timing array (PTA) collaborations in North America, Australia, and Europe, have been exploiting the exquisite timing precision of millisecond pulsars over decades of observations to search for correlated timing deviations induced by…

By regularly monitoring the most stable millisecond pulsars over many years, pulsar timing arrays (PTAs) are positioned to detect and study correlations in the timing behaviour of those pulsars. Gravitational waves (GWs) from supermassive…

The European Pulsar Timing Array (EPTA) network is a collaboration between the five largest radio telescopes in Europe aiming to study the astrophysics of millisecond pulsars and to detect cosmological gravitational waves in the nano-Hertz…

Astrophysics of Galaxies · Physics 2010-02-04 K. Lazaridis

Pulsars have traditionally been used for research into fundamental physics and astronomy. In this paper, we investigate the expanding applications of radio pulsars in societal and industrial domains beyond their conventional scientific…

Instrumentation and Methods for Astrophysics · Physics 2025-06-11 D. Kaur , G. Hobbs , A. Zic , J. R. Dawson , J. Morgan , W. Ling , S. Camtepe , J. Pieprzyk , M. C. M. Cheung

Timing pulses of pulsars has proved to be a most powerful technique useful to a host of research areas in astronomy and physics. Importantly, the precision of this timing is not only affected by radiometer noise, but also by intrinsic pulse…

High Energy Astrophysical Phenomena · Physics 2015-05-28 K. Liu , J. P. W. Verbiest , M. Kramer , B. W. Stappers , W. van Straten , J. M. Cordes

Gravitational-wave astronomy has developed enormously over the last decade, with the first detections and continuous development across broad frequency bands. However, the decihertz range has largely been left out of this development.…

Instrumentation and Methods for Astrophysics · Physics 2026-05-06 Lucas M. B. Alves , Andrew G. Sullivan , Xingyu Ji , Doğa Veske , Imre Bartos , Sebastian Will , Zsuzsa Márka , Szabolcs Márka

We review the main properties, demographics and applications of binary and millisecond radio pulsars. Our knowledge of these exciting objects has greatly increased in recent years, mainly due to successful surveys which have brought the…

Astrophysics · Physics 2015-05-13 D. R. Lorimer

Pulsars are famed for their rotational clock-like stability and their highly-repeatable pulse shapes. However, it has long been known that there are unexplained deviations (often termed "timing noise") from the rate at which we predict…

Astrophysics of Galaxies · Physics 2010-06-29 Andrew Lyne , George Hobbs , Michael Kramer , Ingrid Stairs , Ben Stappers

Pulsar timing arrays are ensembles of regularly observed millisecond pulsars timed to high precision. Each pulsar in an array could be affected by a suite of noise processes, most of which are astrophysically motivated. Analysing them…

There are many reasons why it is important to increase the number of known pulsars. Not only do pulsar searches continue to improve statistical estimates of, for example, pulsar birthrates, lifetimes and the Galactic distribution, but they…

Astrophysics · Physics 2009-10-31 R. N. Manchester

The purpose of this review paper is to summarise the pulsar timing method, to provide an overview of recent research into the spin-down of pulsars over decadal timescales and to highlight the science that can be achieved using…

Solar and Stellar Astrophysics · Physics 2009-12-01 G. Hobbs

Globular clusters produce orders of magnitude more millisecond pulsars per unit mass than the Galactic disk. Since the first cluster pulsar was uncovered twenty years ago, at least 138 have been identified - most of which are binary…

Astrophysics · Physics 2008-11-26 Scott M. Ransom

Globular clusters (GCs) offer a unique environment for discovering and studying millisecond pulsars. In this paper, we present a multi-epoch search and detailed timing analysis of millisecond pulsars in the GC M2, using the…

Laboratory searches for the detection of gravitational waves have focused on the detection of burst signals emitted during a supernova explosion, but have not resulted in any confirmed detections. An alternative approach has been to search…

Astrophysics · Physics 2010-11-01 Kimberly C. B. New , G. Chanmugam , Warren W. Johnson , Joel E. Tohline