نتایج جستجو برای: gleam

تعداد نتایج: 136  

Journal: :Publications of the Astronomical Society of Australia 2021

Abstract We previously reported a putative detection of radio galaxy at $z=10.15$ , selected from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. The redshift this source, GLEAM J0917–0012, was based on three weakly detected molecular emission lines observed with Atacama Large Millimetre (ALMA). In order to confirm result, we conducted deep spectroscopic follow-...

Journal: :Remote Sensing 2022

Conventional calibration methods used in hydrological modelling are based on runoff observations at the basin outlet. However, with only often produces reasonable but poor results for other variables. Multi-variable both and remote sensing-based evapotranspiration (ET) is developed naturally, due to importance of ET its data availability. This study compares two main schemes: (1) (Scheme I) (2)...

Journal: :Monthly Notices of the Royal Astronomical Society: Letters 2022

ABSTRACT The long-period (P = 1091 s) of the recently discovered pulsar GLEAM-X J162759.5–523504.3 can be attained by neutron stars evolving with fallback discs and magnetic dipole moments a few 1030 G cm3 at ages greater than ?2 × 105 yr consistently observational upper limits to period derivative, $\dot{P}$, X-ray luminosity, LX, source. current for $\dot{P}$ allow two alternative present sta...

2002
Christian Blume Wilfried Jakob

An evolutionary algorithm based on Evolution Strategy (ES) is presented, which includes time-related command execution and the generation of process control elements. Its concept is enlarged by problem-oriented type definitions for parameters, this has allowed a flexible implementation for different applications. The GLEAM algorithm includes new features which distinguish it from ES and GAs, am...

Journal: :Publications of the Astronomical Society of Australia 2020

2007
Karl-Uwe Stucky Wilfried Jakob Alexander Quinte Wolfgang Süß

This paper presents results of new experiments with the Global Optimising Resource Broker and Allocator GORBA for grid systems. The scheduling algorithm is based on the Evolutionary Algorithm GLEAM (General Learning Evolutionary Algorithm and Method) and several heuristics. The task of planning grid resource allocation is compared to pure NP-complete job shop scheduling and it is shown in which...

Journal: :Monthly Notices of the Royal Astronomical Society 2022

ABSTRACT We present the results from studying 140 radio sources in GLEAM (GaLactic and Extragalactic All-sky MWA [Murchison Widefield Array]) 4-Jy (G4Jy) Sample. These were followed-up with MeerKAT to assess their morphology enable host-galaxy identification, as existing images of 25 45-arcsec resolution do not provide sufficient information. refer these MeerKAT-2019 subset. The aim is identify...

Journal: :Publications of the Astronomical Society of Australia 2021

Abstract We present the South Galactic Pole (SGP) data release from GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. These combine both years of GLEAM observations at 72–231 MHz conducted with (MWA) cover an area 5 113 $\mathrm{deg}^{2}$ centred on SGP $20^{\mathrm{h}} 40^{\mathrm{m}} < \mathrm{RA} 05^{\mathrm{h}} 04^{\mathrm{m}}$ $-48^{\circ} \mathrm{Dec} -2^{\ci...

Journal: :Monthly Notices of the Royal Astronomical Society 2023

ABSTRACT The radio pulsar GLEAM-X J162759.5–523504.3 has an extremely long spin period ($P = 1091.17\, \mbox{s}$), and yet seemingly continues to spin-down rapidly ($\dot{P} < 1.2 \times 10^{-9}\, \mbox{ss}^{-1}$). magnetic field strength that is implied, if the source a neutron star undergoing dipole braking, could exceed $10^{16}\, \mbox{G}$. This object may therefore be most magnetize...

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