Results 71 to 80 of about 6,438 (185)
The Discovery of a 41 s Radio Pulsar PSR J0311+1402 with ASKAP
The Astrophysical Journal LettersThe emerging population of long-period radio transients (LPTs) shows both similarities and differences with normal pulsars. A key difference is that their radio emission is too bright to be powered solely by rotational energy.
Yuanming Wang +18 more
doaj +1 more source
Ubiquity: Relativistic winds from young rotation-powered pulsars
AIP Conference Proceedings, 2001 6 pages, 6 figures, LaTex, aipproc. To appear in "The 20th Texas Symposium on Relativistic Astrophysics", eds. H. Martel and J. C. Wheeler, AIP, in press (2001)
openaire +2 more sources
A Growing Braking Index and Spin-down Swings for the Pulsar PSR B0540–69
The Astrophysical Journal LettersThe way pulsars spin down is not understood in detail, but a number of possible physical mechanisms produce a spin-down rate that scales as a power of the rotation rate ( $\dot{\nu }\propto -{\nu }^{n}$ ), with the power-law index n called the braking ...
Cristóbal M. Espinoza +7 more
doaj +1 more source
Journal of Computational Chemistry, Volume 46, Issue 12, May 5, 2025.A free web‐platform for the production of spectra based on data collected from classical molecular dynamics runs is introduced. Its effectiveness is demonstrated through the calculation of the vibrational spectra of monohydrated aniline and deoxyguanosine.
Riccardo Conte +5 more
wiley +1 more source
Discovery of GeV Gamma-Ray Emission from Pulsar Wind Nebula Kes 75 and PSR J1846–0258
The Astrophysical Journal, 2023 We report the detection of gamma-ray emission from pulsar wind nebula (PWN) Kes 75 and PSR J1846−0258. Through modeling the spectral energy distribution incorporating the new Fermi-LAT data, we find that the observed gamma-ray emission is likely a ...
Samayra M. Straal +2 more
doaj +1 more source
Dark Energy From the Gravitational Wave Background With Scalar Field Dark Matter
Astronomische Nachrichten, Volume 346, Issue 3-4, March-May 2025.ABSTRACT Recent observational results, such as those from pulsar timing arrays (PTA), suggest a low‐frequency Gravitational Wave Background (GWB) permeates our universe. This opens the possibility that gravitational waves could span a broader spectrum, potentially impacting cosmological scales.
Edwin L. Pérez‐Ochoa, Tonatiuh Matos
wiley +1 more source
Magnetar-like Emission from the Young Pulsar in Kes 75
, 2008 We report detection of magnetar-like X-ray bursts from the young pulsar PSR J1846-0258, at the center of the supernova remnant Kes 75. This pulsar, long thought to be rotation-powered, has an inferred surface dipolar magnetic field of 4.9x10^13 G, higher
Camilo +9 more
core +1 more source
Discovery of the First Antiglitch Event in the Rotation-powered Pulsar PSR B0540-69
The Astrophysical Journal LettersUsing data from the Neutron star Interior Composition ExploreR observatory, we identified a permanent spin frequency decrease of Δ ν = −(1.04 ± 0.07) × 10 ^−7 Hz around MJD 60132 in the rotation-powered pulsar PSR B0540-69, which exhibits a periodic ...
Youli Tuo +7 more
doaj +1 more source
Recent Developments in Degenerate Higher Order Scalar Tensor Theories
Annalen der Physik, Volume 537, Issue 2, February 2025.Degenerate Higher Order Scalar Tensor theories are reviewed, together with their applications in cosmology and astrophysics. These theories have been applied to build models of the early universe, in the description of the late‐time cosmic acceleration, as well as in astrophysics, including black hole physics. They have the potential to provide answers
Andrei Lazanu
wiley +1 more source
Deep VLT infrared observations of X-ray Dim Isolated Neutron Stars
, 2007 X-ray observations have unveiled the existence of a family of radio-quiet Isolated Neutron Stars whose X-ray emission is purely thermal, hence dubbed X-ray Dim Isolated Neutron Stars (XDINSs). While optical observations have allowed to relate the thermal
Curto, G. Lo +3 more
core +1 more source