Results 31 to 40 of about 809,546 (293)

A Measurement of the Galactic Plane Mass Density from Binary Pulsar Accelerations

open access: yes, 2021
We use compiled high-precision pulsar timing measurements to directly measure the Galactic acceleration of binary pulsars relative to the solar system barycenter. Given the vertical accelerations, we use the Poisson equation to derive the Oort limit, i.e.
S. Chakrabarti   +4 more
semanticscholar   +1 more source

A Light Redback Companion of PSR J1622–0315 and Irradiation Power in Spider Systems

open access: yesThe Astrophysical Journal, 2023
We report optical observations of the millisecond pulsar binary system PSR J1622–0315 with the Lulin 1 m telescope in Taiwan and the Lijiang 2.4 m telescope in China between 2019 and 2021.
Y. X. Jane Yap   +2 more
doaj   +1 more source

Improving Distances to Binary Millisecond Pulsars with Gaia

open access: yesThe Astrophysical Journal, 2023
Pulsar distances are notoriously difficult to measure, and play an important role in many fundamental physics experiments, such as pulsar timing arrays.
Abigail Moran   +4 more
doaj   +1 more source

The Green Bank North Celestial Cap Survey. VIII. 21 New Pulsar Timing Solutions

open access: yesThe Astrophysical Journal, 2023
We present timing solutions for 21 pulsars discovered in 350 MHz surveys using the Green Bank Telescope (GBT). All were discovered in the Green Bank North Celestial Cap pulsar survey, with the exception of PSR J0957−0619, which was found in the GBT 350 ...
W. Fiore   +28 more
doaj   +1 more source

Binary pulsar constraints on massless scalar–tensor theories using Bayesian statistics [PDF]

open access: yesClassical and quantum gravity, 2019
Binary pulsars provide some of the tightest current constraints on modified theories of gravity and these constraints will only get tighter as radio astronomers continue timing these systems.
David Anderson, P. Freire, N. Yunes
semanticscholar   +1 more source

Stellar forensics - II. Millisecond pulsar binaries [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1998
Latex, 14 pages, and 15 postscript figures.
Hansen, Brad M. S., Phinney, E. Sterl
openaire   +4 more sources

PSR J1953+1844 Probably Being the Descendant of an Ultracompact X-Ray Binary

open access: yesThe Astrophysical Journal Letters, 2023
PSR J1953+1844 (i.e., M71E) is a millisecond pulsar in a 53 minute binary orbit discovered by the Five-hundred-meter Aperture Spherical radio Telescope. The mass function from pulsar timing is 2.3 × 10 ^−7 M _⊙ .
Z. L. Yang   +3 more
doaj   +1 more source

Binary Pulsar Distances and Velocities from Gaia Data Release 2 [PDF]

open access: yesAstrophysical Journal, 2018
The second data release from the Gaia mission (Gaia DR2) includes, among its billion entries, astrometric parameters for binary companions to a number of known pulsars, including white dwarf companions to millisecond pulsars (MSPs) and the non-degenerate
R. Jennings   +4 more
semanticscholar   +1 more source

Study of recent outburst in the Be/X-ray binary RX J0209.6−7427 with AstroSat: a new ultraluminous X-ray pulsar in the Magellanic Bridge? [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2020
We present the timing and spectral studies of RX J0209.6–7427 during its rare 2019 outburst using observations with the Soft X-ray Telescope (SXT) and Large Area X-ray Proportional Counter (LAXPC) instruments on the AstroSat satellite.
A. Chandra   +3 more
semanticscholar   +1 more source

Green Bank Telescope Discovery of the Redback Binary Millisecond Pulsar PSR J0212+5321

open access: yesThe Astrophysical Journal, 2023
We report the discovery of a 2.11 ms binary millisecond pulsar during a targeted search of the redback optical candidate coincident with the γ -ray source 3FGL J0212.5+5320 using the Robert C.
Karen I. Perez   +3 more
doaj   +1 more source

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