Results 71 to 80 of about 17,684 (219)

The strongest magnetic fields in the universe: How strong can they become?

open access: yesFrontiers in Physics, 2014
Magnetic fields in the universe are in general weak, of the order of µGauss only. However, in compact objects they assume extraordinarily large values. These are produced by gravitational collapse of massive magnetised objects.
Rudolf A. Treumann   +2 more
doaj   +1 more source

Reciprocal transport of carbon and nitrogen between plants and the hyphosphere microbiome in a temperate grassland

open access: yesNew Phytologist, EarlyView.
Overview of the experimental design and 13CO2 pulse‐labeling approach in the field. Summary Despite its relevance for plant nutrient acquisition, the role of the hyphosphere in structuring fungal–bacterial networks and mediating carbon–nitrogen (C–N) exchange under field conditions remains unclear.
Luise Brandt   +7 more
wiley   +1 more source

Etude multilongueur d'onde des pulsars milliseconde [PDF]

open access: yes, 2011
Les pulsars milliseconde (MSPs) sont des étoiles à neutrons caractérisées par une période de rotation de l'ordre de la milliseconde. Ils sont très probablement accélérés (recyclés) dans des systèmes binaires par transfert de moment cinétique lors d'une ...
Pancrazi, Benoît
core  

Transitional Millisecond Pulsars [PDF]

open access: yes, 2022
Millisecond pulsars in tight binaries have recently challenged our understanding of physical processes governing the evolution of binaries and the interaction between astrophysical plasma and electromagnetic fields.
PAPITTO, ALESSANDRO   +1 more
core   +1 more source

Statistical Analysis of Pulsar Flux Density Distribution

open access: yesThe Astrophysical Journal
This study presents a comprehensive analysis of the spectral properties of 886 pulsars across a wide frequency range from 20 MHz–343.5 GHz, including a total of 86 millisecond pulsars (MSPs).
H. W. Xu   +16 more
doaj   +1 more source

A Study on the Evolution of Emission Altitude with Frequency Among 104 Normal Pulsars

open access: yesUniverse
Utilizing the databases from the European Pulsar Network (EPN), the Australia Telescope National Facility (ATNF), and published literature data, a geometric method was used to investigate the multifrequency emission altitude of 104 pulsars. We found that
Chaoxin Luo   +3 more
doaj   +1 more source

Rotating Quark Stars in General Relativity

open access: yesUniverse, 2018
We have built quasi-equilibrium models for uniformly rotating quark stars in general relativity. The conformal flatness approximation is employed and the Compact Object CALculator (cocal) code is extended to treat rotating stars with surface density ...
Enping Zhou   +4 more
doaj   +1 more source

A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set

open access: yesThe Astrophysical Journal, 2023
In 2017 the Event Horizon Telescope (EHT) observed the supermassive black hole at the center of the Milky Way, Sagittarius A* (Sgr A*), at a frequency of 228.1 GHz ( λ = 1.3 mm).
Pablo Torne   +284 more
doaj   +1 more source

Quality of Life Shapes Owner Decision‐Making in Canine Cancer Care: Insights From Large‐Scale Online Discourse

open access: yesVeterinary and Comparative Oncology, EarlyView.
ABSTRACT Canine cancer imposes substantial emotional, financial and decisional burden on owners navigating complex referral pathways and treatment options. Understanding how owners experience and interpret these pathways is essential to improving care delivery.
Georgina Anne Tarrant   +5 more
wiley   +1 more source

CIRA-Pulsars-and-Transients-Group/vcstools: FEE2016 Beamformer

open access: yes, 2020
Upgrades: Implementation of the FEE2016 beam model version for the beamformer Added the option to choose which beam model to use in the RTS. The default is the FEE2016 model Beamformer is now run natively instead of using the singularity image on ...
Sam McSweeney   +8 more
core   +1 more source

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