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The double pulsar PSR J0737-3039A/B consists of two neutron stars in a highly relativistic orbit that displays a roughly 30-second eclipse when pulsar A passes behind pulsar B. Describing this eclipse of pulsar A as due to absorption…

The double pulsar system, PSR J0737$-$3039A/B, consists of two neutron stars bound together in a highly relativistic orbit that is viewed nearly edge-on from the Earth. This alignment results in brief radio eclipses of the fast-rotating…

The double pulsar J0737-3039 is the only known system in which the relativistic wind emitted by a radio pulsar demonstrably interacts with the magnetosphere of another one. We report radio interferometric observations of the J0737-3039…

Astrophysics · Physics 2009-11-13 S. Chatterjee , W. M. Goss , W. F. Brisken

We present the evolution of the radio emission from the 2.8-s pulsar of the double pulsar system PSR J0737-3039A/B. We provide an update on the Burgay et al. (2005) analysis by describing the changes in the pulse profile and flux density…

In binary radio pulsar system J0737-3039, slow pulsar B shows orbital modulations of intensity, being especially bright at two short orbital phases. We propose that these modulations are due to distortion of pulsar B magnetosphere by pulsar…

Astrophysics · Physics 2009-11-10 Maxim Lyutikov

In this paper we report on $\sim10$ years of observations of PSR J2051$-$0827, at radio frequencies in the range 110--4032 MHz. We investigate the eclipse phenomena of this black widow pulsar using model fits of increased dispersion and…

High Energy Astrophysical Phenomena · Physics 2019-09-16 E. J. Polzin , R. P. Breton , B. W. Stappers , B. Bhattacharyya , G. H. Janssen , S. Osłowski , M. S. E. Roberts , C. Sobey

The double pulsar system J0737-3039 appears associated with a continuous radio emission, nearly three times stronger than that of the two pulsars together. If such an emission comes from a tranparent cloud its spatial extent (> 10^13 cm)…

Astrophysics · Physics 2009-11-10 R. Turolla A. Treves

The clock-like properties of pulsars moving in the gravitational fields of their unseen neutron-star companions have allowed unique tests of general relativity and provided evidence for gravitational radiation. We report here the detection…

We have observed and analysed the eclipses of the black widow pulsar J1810+1744 at low radio frequencies. Using LOw-Frequency ARray (LOFAR) and Westerbork Synthesis Radio Telescope observations between 2011--2015 we have measured variations…

The double pulsar system J0737-3039A/B, discovered with the Parkes radio telescope in 2003, is one of the most intriguing pulsar findings of the last decade. This binary system, with an orbital period of only 2.4-hr and with the…

Instrumentation and Methods for Astrophysics · Physics 2012-10-04 Marta Burgay

The eclipses seen in the radio emission of some pulsars can be invaluable to study the properties of the material from the companion stripped away by the pulsar. We present a study of six consecutive eclipses of PSR J0024-7204O in the…

High Energy Astrophysical Phenomena · Physics 2024-07-23 F. Abbate , A. Possenti , A. Ridolfi , S. Buchner , M. Geyer , M. Kramer , L. Zhang , A. Corongiu , F. Camilo , M. Bailes

The relativistic double neutron star binary PSR J0737-3039 shows clear evidence of orbital phase-dependent wind-companion interaction, both in radio and X-rays. In this paper we present the results of timing analysis of PSR J0737-3039…

High Energy Astrophysical Phenomena · Physics 2016-06-22 M. N. Iacolina , A. Pellizzoni , E. Egron , A. Possenti , R. Breton , M. Lyutikov , M. Kramer , M. Burgay , S. E. Motta , A. De Luca , A. Tiengo

Rich observational phenomenology associated with Pulsar B in PSR J0737$-$3039A/B system resembles in many respects phenomena observed in the Earth and Jupiter magnetospheres, originating due to the wind-magnetosphere interaction. We…

High Energy Astrophysical Phenomena · Physics 2022-06-15 Maxim Lyutikov

The Double Pulsar, PSR J$0737$$-$$3039$A/B, is a unique system in which both neutron stars have been detected as radio pulsars. As shown in Ferdman et al., there is no evidence for pulse profile evolution of the A pulsar, and the geometry…

Solar and Stellar Astrophysics · Physics 2015-06-19 B. B. P. Perera , C. Kim , M. A. McLaughlin , R. D. Ferdman , M. Kramer , I. H. Stairs , P. C. C. Freire , A. Possenti

We present the model of eclipsing a rotating, spatially extended source of directional emission by a central absorber, and apply it to the pulsar magnetosphere. The model assumes the radially extended inward radio emission along the local…

Astrophysics · Physics 2009-11-10 J. Dyks , M. Frackowiak , Agnieszka Slowikowska , B. Rudak , Bing Zhang

We report the detection of an extreme flux decrease accompanied by clear dispersion measure (DM) and rotation measure (RM) variations for pulsar B1929+10 during the 110-minute radio observation with the Five-hundred-meter Aperture Spherical…

High Energy Astrophysical Phenomena · Physics 2024-10-23 Zhengli Wang , Shunshun Cao , Jiguang Lu , Yulan Liu , Xun Shi , Jinchen Jiang , Enwei Liang , Weiyang Wang , Heng Xu , Renxin Xu

We report on an {unusually} bright observation of PSR J1720$-$0533 using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The pulsar is in a black widow system that {was discovered by the Commensal Radio Astronomy FAST…

High Energy Astrophysical Phenomena · Physics 2021-11-24 S. Q. Wang , J. B. Wang , N. Wang , J. M. Yao , G. Hobbs , S. Dai , F. F. Kou , C. C. Miao , D. Li , Y. Feng , S. J. Dang , D. H. Wang , P. Wang , J. P. Yuan , C. M. Zhang , L. Zhang , S. B. Zhang , W. W. Zhu

The double pulsar system PSR J0737-3039A/B is a double neutron star binary, with a 2.4-hour orbital period, which has allowed measurement of relativistic orbital perturbations to high precision. The low mass of the second-formed neutron…

In the double pulsar system PSR J0737-3039A/B the strong wind produced by pulsar A distorts the magnetosphere of pulsar B. The influence of these distortions on the orbital-dependent emission properties of pulsar B can be used to determine…

Astrophysics of Galaxies · Physics 2015-06-04 B. B. P. Perera , D. Lomiashvili , K. N. Gourgouliatos , M. A. McLaughlin , M. Lyutikov

High-quality averaged radio profiles of some pulsars exhibit double, highly symmetric features both in emission and absorption. It is shown that both types of features are produced by a split-fan beam of extraordinary-mode curvature…

Solar and Stellar Astrophysics · Physics 2015-05-13 J. Dyks , B. Rudak , P. Demorest