Results 31 to 40 of about 134,584 (266)
Pulsar Searches with the SKA [PDF]
, 2017 The Square Kilometre Array will be an amazing instrument for pulsar astronomy. While the full SKA will be sensitive enough to detect all pulsars in the Galaxy visible from Earth, already with SKA1, pulsar searches will discover enough pulsars to increase
Armour, W. +27 more
core +3 more sources
International Journal of Modern Physics D, 2006 Pulsars are wonderful gravitational probes. Their tiny size and stellar mass give their rotation periods a stability comparable to that of atomic frequency standards. This is especially true of the rapidly rotating "millisecond pulsars" (MSPs). Many of these rapidly rotating pulsars are in orbit with another star, allowing pulsar timing to probe ...
openaire +6 more sources
Variable Magellanic HMXB Sources versus Variable ULX Sources: Nothing to Brag about the ULX Sources
Galaxies, 2020 We carry out a meta-analysis of ultraluminous X-ray (ULX) sources that show large variabilities (by factors of >10) between their highest and lowest emission states in the X-ray energy range of 0.3–10 keV.
Dimitris M. Christodoulou +5 more
doaj +1 more source
Investigation of Accuracy of TOA and SNR of Radio Pulsar Signals for Vehicles Navigation
Sensors, 2023 It is known that X-ray and gamma-ray pulsars can only be observed by spacecraft because signals from these pulsars are impossible to be detected on the Earth’s surface due to their strong absorption by the Earth’s atmosphere.
Hristo Kabakchiev +4 more
doaj +1 more source
GMRT Discovery of A Millisecond Pulsar in a Very Eccentric Binary System [PDF]
, 2004 We report the discovery of the binary millisecond pulsar J0514-4002A, which is the first known pulsar in the globular cluster NGC 1851 and the first pulsar discovered using the Giant Metrewave Radio Telescope (GMRT). The pulsar has a rotational period of
C. H. Ishwara-Chandra +5 more
core +3 more sources
DECAMETER PULSAR/TRANSIENT SURVEY OF NORTHEN SKY. FIRST RESULTS
Radio Physics and Radio Astronomy, 2014 The decameter pulsar/transient survey is now being made using the UTR-2 radio telescope. The survey strategy and parameters, equipment characteristics, data processing algorithms as well as preliminary results are described. The very first result was the
Ia. Yu. Vasylieva +6 more
doaj +1 more source
The distance to the Vela pulsar gauged with HST parallax oservations [PDF]
, 2001 The distance to the Vela pulsar (PSR B0833-45) has been traditionally assumed to be 500 pc. Although affected by a significant uncertainty, this value stuck to both the pulsar and the SNR. In an effort to obtain a model free distance measurement, we have
A. De Luca +12 more
core +2 more sources
POLAR GAP IN THE PULSAR FORCE-FREE MAGNETOSPHERE STRUCTURE
Radio Physics and Radio Astronomy, 2015 The stationary axisymmetric force-free magnetosphere of a pulsar is considered by accounting for the polar gap and current circuit. Adjustment of the vacuum polar gap and the closing current sheet with the force-free magnetosphere of a monopolar ...
S. A. Petrova
doaj +1 more source
Spin Equilibrium of Rapidly Spinning Neutron Stars via Transient Accretion
Galaxies, 2023 The concept of spin equilibrium due to an interaction between the stellar magnetosphere and a thin, Keplerian accretion disk, and a well-known formula of the corresponding equilibrium spin frequency, provide a key understanding of spin evolution and the ...
Sudip Bhattacharyya
doaj +1 more source
Brazilian Journal of Physics, 2013 The high-energy sources known as anomalous X-ray pulsars (AXPs) and soft gamma-ray repeaters (SGRs) are well explained as magnetars: isolated neutron stars powered by their own magnetic energy. After explaining why it is generally believed that the traditional energy sources at work in other neutron stars (accretion, rotation, residual heat) cannot ...
openaire +4 more sources