English
Related papers

Related papers: Pulsar discovery prospect of FASTA

200 papers

We report results from a deep high-frequency search for pulsars within the central parsec of Sgr A* using the Green Bank Telescope. The observing frequency of 15 GHz was chosen to maximize the likelihood of detecting normal pulsars (i.e.…

Astrophysics of Galaxies · Physics 2015-05-18 J-P. Macquart , N. Kanekar , D. Frail , S. Ransom

We present the results of processing an additional 44% of the High Time Resolution Universe South Low Latitude (HTRU-S LowLat) pulsar survey, the most sensitive blind pulsar survey of the southern Galactic plane to date. Our…

We have begun an exciting era for gravitational wave detection, as several world-leading experiments are breaching the threshold of anticipated signal strengths. Pulsar timing arrays (PTAs) are pan-Galactic gravitational wave detectors that…

Instrumentation and Methods for Astrophysics · Physics 2015-11-26 Sarah Burke-Spolaor

We report the discovery of six faint millisecond pulsars (MSPs) in the globular clusters NGC 6517 and NGC 7078 (M15) using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). These discoveries were enabled by stacking power…

Here we report on a new survey for pulsars and transients in the 10 pc region around Sgr A* using the Effelsberg radio telescope at frequencies between 4 to 8 GHz. Our calibrated full-Stokes data were searched for pulsars and transients…

High Energy Astrophysical Phenomena · Physics 2026-02-11 G. Desvignes , R. P. Eatough , Y. Men , F. Abbate , R. Karuppusamy , M. Kramer , K. Liu , L. Shao , P. Torne , R. S. Wharton

Modern astrophysics is undergoing a revolution. As detector technology has advanced, and astronomers have been able to study the sky with finer temporal detail, a rich diversity of sources which vary on timescales from years down to a few…

High Energy Astrophysical Phenomena · Physics 2018-11-02 D. R. Lorimer

The high stellar density in the central parsecs around the Galactic Centre makes it a seemingly favourable environment for finding relativistic binary pulsars. These include pulsars orbiting other neutron stars, stellar-mass black holes or…

High Energy Astrophysical Phenomena · Physics 2021-08-25 R. P. Eatough , P. Torne , G. Desvignes , M. Kramer , R. Karuppusamy , B. Klein , L. G. Spitler , K. J. Lee , D. J. Champion , K. Liu , R. S. Wharton , L. Rezzolla , H. Falcke

Measurement of the pulsar timing residuals provides a direct way to detect relic gravitational waves at the frequency $f\sim 1/{\rm yr}$. In this paper, we investigate the constraints on the inflationary parameters, the tensor-to-scalar…

Cosmology and Nongalactic Astrophysics · Physics 2013-06-17 Wen Zhao , Yang Zhang , Xiao-Peng You , Zong-Hong Zhu

As first data release of a pilot extragalactic HI survey with Five-hundred-meter Aperture Spherical radio Telescope (FAST),we extracted 544 extragalaxies from three-dimensional(3D) spectral data to perform interactive searching and…

Astrophysics of Galaxies · Physics 2025-04-08 Jiangang Kang , Ming Zhu , Mei Ai , Haiyang Yu , Chun Sun

It has been proposed that radio pulsars can be distinguished from other point-like radio sources in continuum images by their unique interstellar scintillation signatures. Using data from the Australian Square Kilometre Array Pathfinder…

The observed population of young radio pulsars has grown substantially in recent years due to a combination of large-scale surveys and deep targeted searches. Many of the pulsars are associated with supernova remnants and/or unidentified…

Astrophysics · Physics 2007-05-23 D. R. Lorimer

By 2000 there were only 10 established Galactic pulsar-supernova remnant associations. Two years later there are 16 such associations known. I discuss the work leading to this substantial increase. In particular I summarize an ongoing…

Astrophysics · Physics 2007-05-23 Fernando Camilo

We simulate the characteristics of the Galactic population of radio and $\gamma$-ray pulsars using Monte Carlo techniques. At birth, neutron stars are spatially distributed in the Galactic disk, with supernova-kick velocities, and randomly…

We present the deepest and highest-resolution radio continuum imaging of the Galactic globular cluster Terzan 5, one of the most crowded locations in the radio sky. In these new 2$-$4 GHz Karl G. Jansky Very Large Array images, we detect 38…

High Energy Astrophysical Phenomena · Physics 2026-02-12 Ryan Urquhart , Jay Strader , Laura Chomiuk , Scott M. Ransom , Craig O. Heinke , Arash Bahramian , Thomas J. Maccarone

Pulsars seen at gamma-ray energies offer insight into particle acceleration to very high energies, along with information about the geometry and interaction processes in the magnetospheres of these rotating neutron stars. During the next…

Astrophysics · Physics 2007-05-23 D. J. Thompson

We present results of our pulsar population synthesis of ordinary isolated and millisecond pulsars in the Galactic plane. Over the past several years, a program has been developed to simulate pulsar birth, evolution and emission using Monte…

Astrophysics · Physics 2008-11-26 Peter L. Gonthier , Sarah A. Story , Brian D. Clow , Alice K. Harding

A search for pulsed radiation at a frequency of 111 MHz in the direction of 116 RRAT candidates was carried out. For the search, archival data obtained on a meridian 128-beam radio telescope, a Large Phased Array (LPA), was used. For each…

High Energy Astrophysical Phenomena · Physics 2024-01-11 S. A. Tyul'bashev , M. A. Kitaeva , E. A. Brylyakova , V. S. Tyul'bashev , G. E. Tyul'basheva

Sun-like stellar oscillations are excited by turbulent convection and have been discovered in some 500 main sequence and sub-giant stars and in more than 12,000 red giant stars. When such stars are near gravitational wave sources, low-order…

Solar and Stellar Astrophysics · Physics 2015-07-14 Ilídio Lopes , Joseph Silk

A systematic study of 80 known pulsars observed at 185 MHz has been conducted using archival incoherent-sum data from the Murchison Widefield Array (MWA). The dataset comprises 48 drift-scan observations from the MWA Voltage Capture System,…

High Energy Astrophysical Phenomena · Physics 2025-10-13 Ting Yu , Hongyu Gong , Zhifu Gao , Zhongli Zhang , Zhigang Wen , Yujie Wang , Tao An

In Dai et al. (2016) we developed a formalism for computing variance images from standard, interferometric radio images containing time and frequency information. Variance imaging with future radio continuum surveys allows us to identify…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 S. Dai , S. Johnston , G. Hobbs
‹ Prev 1 8 9 10 Next ›