A5006193601- Pulsars and Gravitational Waves Research
- Geophysics and Gravity Measurements
- Astrophysical Phenomena and Observations
- Astronomy and Astrophysical Research
- High-pressure geophysics and materials
- Adaptive optics and wavefront sensing
- Astronomical Observations and Instrumentation
- Galaxies: Formation, Evolution, Phenomena
- Astrophysics and Cosmic Phenomena
- Radio Astronomy Observations and Technology
- History and Theory of Mathematics
- Gamma-ray bursts and supernovae
International Centre for Radio Astronomy Research
2023
Curtin University
2023
Astronomy and Space
2023
Commonwealth Scientific and Industrial Research Organisation
2023
Abstract Intermediate-mass black holes (10 2 < M BH 10 5 ⊙ ) are an open question in our understanding of hole evolution and growth. They have long been linked to dense star cluster environments, thanks dynamics, but there a limited number secure detections. We leverage existing X-ray observations from the Chandra Observatory optical catalogs Hubble Space Telescope (HST) as well new radio Karl G. Jansky Very Large Array search for any evidence accreting young massive clusters nearby...
Abstract Pulsars have been studied extensively over the last few decades and proven instrumental in exploring a wide variety of physics. Discovering more pulsars emitting at low radio frequencies is crucial to further our understanding spectral properties emission mechanisms. The Murchison Widefield Array Voltage Capture System (MWA VCS) has routinely used study discover new pulsars. MWA VCS offers unique opportunity recording complex voltages from all individual antennas (tiles), which can...
Intermediate mass black holes (10^2 < M_BH< 10^5 Msun) are an open question in our understanding of hole evolution and growth. They have long been linked to dense star cluster environments thanks dynamics, but there a limited number secure detections. We leverage existing X-ray observations from Chandra Observatory optical catalogs Hubble Space Telescope with new radio the Karl G. Jansky Very Large Array search for any evidence accreting young massive clusters nearby galaxy M51. find that 43...
Traditional pulsar surveys have primarily employed time-domain periodicity searches. However, these methods are susceptible to effects like scattering, eclipses and orbital motion. At lower radio frequencies (<= 300 MHz), factors such as dispersion measure pulse broadening become more prominent, reducing the detection sensitivity. On other hand, image domain searches for pulsars not limited by can extend parameter space regions inaccessible traditional search techniques. Therefore, we...
Abstract Traditional pulsar surveys have primarily employed time-domain periodicity searches. However, these methods are susceptible to effects like scattering, eclipses, and orbital motion. At lower radio frequencies ( $\lesssim$ 300 MHz), factors such as dispersion measure pulse broadening become more prominent, reducing the detection sensitivity. On other hand, image domain searches for pulsars not limited by can extend parameter space regions inaccessible traditional search techniques....
Astronomers have studied the Vela pulsar (PSR~J0835$-$4510) for decades. This study analyses almost one hundred hours of single-pulse data collected over three consecutive days from 2016 and 2020. The work investigates fascinating phenomena earlier arrival brighter pulses with their increase in peak intensity. We found a hyperbolic relation between them by constructing integrated pulse profiles using flux density intervals examining relationship time identified phase limit $-0.85~\pm...