A test of general relativity from the three-dimensional orbital geometry of a binary pulsar

  title={A test of general relativity from the three-dimensional orbital geometry of a binary pulsar},
  author={Willem van Straten and Matthew Bailes and Matthew Christopher Britton and Kulkarni S. R and Stuart B. Anderson and Richard N. Manchester and John M. Sarkissian},
Binary pulsars provide an excellent system for testing general relativity because of their intrinsic rotational stability and the precision with which radio observations can be used to determine their orbital dynamics. Measurements of the rate of orbital decay of two pulsars have been shown to be consistent with the emission of gravitational waves as predicted by general relativity, but independent verification was not possible. Such verification can in principle be obtained by determining the… 

A 2.1 M☉ Pulsar Measured by Relativistic Orbital Decay

PSR J0751+1807 is a millisecond pulsar in a circular 6 hr binary system with a helium white dwarf secondary. Through high-precision pulse timing measurements with the Arecibo and Effelsberg radio

General Relativity support from the double pulsar

After the final publication of the Theory of General Relativity by Albert Einstein in 1916, experimental confirmation rested on three astronomical tests. These were the amount of bending of starlight

A two-solar-mass neutron star measured using Shapiro delay

Radio timing observations of the binary millisecond pulsar J1614-2230 that show a strong Shapiro delay signature are presented and the pulsar mass is calculated to be (1.97 ± 0.04)M⊙, which rules out almost all currently proposed hyperon or boson condensate equations of state.

Discovery of Three Wide-Orbit Binary Pulsars: Implications for Binary Evolution and Equivalence Principles

We report the discovery of three binary millisecond pulsars during the Parkes Multibeam Pulsar Survey of the Galactic plane. The objects are highly recycled and are in orbits of many tens of days

The Role of Binary Pulsars in Testing Gravity Theories

Radio pulsars are neutron stars (NSs) which emit collimated beams of radio waves, observed as pulses, once per rotation of the NS. A subgroup of the radio pulsars behave as highly stable clocks and

Pulsars in Binary Systems: Probing Binary Stellar Evolution and General Relativity

Radio pulsars in binary orbits often have short millisecond spin periods as a result of mass transfer from their companion stars, which provide constraints on binary evolution, characteristics of the binary pulsar population, and the masses of neutron stars with different mass-transfer histories.

Self-Consistency of Relativistic Observables with General Relativity in the White Dwarf-Neutron Star Binary PSR J1141–6545

Here we report timing measurements of the relativistic binary PSR J1141-6545 that constrain the component masses and demonstrate that the orbital period derivative b = (-4 ± 1) × 10-13 is consistent

Precision Orbital Dynamics from Interstellar Scintillation Arcs for PSR J0437–4715

Intensity scintillations of radio pulsars are known to originate from interference between waves scattered by the electron density irregularities of interstellar plasma, often leading to parabolic

High-precision timing and polarimetry of PSR J0427-475

This thesis reports on the recent results of a continuing, high-precision pulsar timing project, currently focused on the nearby, binary millisecond pulsar, PSR J0437-4715, which yielded the first three-dimensional orbital geometry of a binary pulsar.



Measurement of Relativistic Orbital Decay in the PSR B1534+12 Binary System

We have made timing observations of binary pulsar PSR B1534+12 with radio telescopes at Arecibo, Green Bank, and Jodrell Bank. By combining our new observations with data collected up to seven years

Proper Motion of Binary Pulsars as a Source of Secular Variations of Orbital Parameters

The proper motion of a binary pulsar gradually changes the apparent geometrical orientation of its orbital plane. Consequently, the derived values of the projected semimajor axis of the orbit and the

A new test of general relativity - Gravitational radiation and the binary pulsar PSR 1913+16

Observations of pulse arrival times from the binary pulsar PSR 1913+16 between 1974 September and 1981 March are now sufficient to yield a solution for the component masses and the absolute size of

A New Method for Obtaining Binary Pulsar Distances and its Implications for Tests of General Relativity

We demonstrate how measuring orbital period derivatives can lead to more accurate distance estimates and transverse velocities for some nearby binary pulsars. In many cases this method will estimate

Pulsar timing and relativistic gravity

  • J. Taylor
  • Physics
    Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences
  • 1992
In addition to being fascinating objects to study in their own right, pulsars are exquisite tools for probing a variety of issues in basic physics. Recycled pulsars, thought to have been spun up in

General relativistic celestial mechanics of binary systems. II. The post-newtonian timing formula

Starting from a previously obtained «quasi-Newtonian» solution of the equations of motion of a binary system at the firts post-Newtonian approximation of General Relativity, we derive a new «timing

Neutron Star Mass Measurements. I. Radio Pulsars

There are now about 50 known radio pulsars in binary systems, including at least five in double neutron star binaries. In some cases, the stellar masses can be directly determined from measurements

Optical spectroscopy and photometry of the companion of the bright millisecond pulsar J0437-4715

Absolute astrometry on two Schmidt sky survey plates and relative astrometry in a new CCD image identify a faint star as the optical counterpart of the recently discovered nearby millisecond and

Optical detection of the companion of the millisecond pulsar J0437–4715

OPTICAL observations of the companion stars in binary pulsar systems1–3 offer a way to estimate pulsar ages independent of calculations based on timing measurements of the radio pulses, and can

Discovery of a very bright, nearby binary millisecond pulsar

DURING a survey of the southern sky for millisecond pulsars, we have discovered one with by far the greatest flux density of any known millisecond pulsar, often exceeding 1 Jy at 430 MHz. The