Results 61 to 70 of about 452,450 (226)

Determination of Dark Matter Halo Mass from Dynamics of Satellite Galaxies

open access: yes, 2017
We show that the mass of a dark matter halo can be inferred from the dynamical status of its satellite galaxies. Using 9 dark-matter simulations of halos like the Milky Way (MW), we find that the present-day substructures in each halo follow a ...
Jing, Y. P.   +4 more
core   +1 more source

Artificial Intelligence Approach for Classifying Images of Upper-Atmospheric Transient Luminous Events

open access: yesSensors
Transient Luminous Events (TLEs) are short-lived, upper-atmospheric optical phenomena associated with thunderstorms. Their rapid and random occurrence makes manual classification laborious and time-consuming.
Axi Aguilera, Vidya Manian
doaj   +1 more source

Haloes gone MAD★: The Halo-Finder Comparison Project [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2011
27 interesting pages, 20 beautiful figures, and 4 informative tables accepted for publication in MNRAS. The high-resolution version of the paper as well as all the test cases and analysis can be found at the web site http://popia.ft.uam.es ...
Steffen R. Knollmann   +39 more
openaire   +7 more sources

Exploring the use of synthetic aperture radar data for irrigation management in super high-density olive orchards

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Understanding the plant water-uptake dynamics and behavior in olive orchards is an area of much interest, particularly for efforts to optimize the use and application of water resources.
Marcel M. El Hajj   +4 more
doaj   +1 more source

Halo

open access: yes, 2018
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openaire   +2 more sources

Improving fast generation of halo catalogs with higher-order Lagrangian perturbation theory [PDF]

open access: yes, 2016
We present the latest version of Pinocchio, a code that generates catalogues of DM haloes in an approximate but fast way with respect to an N-body simulation.
Anselmi, Stefano   +6 more
core   +2 more sources

Evapotranspiration, gross primary productivity and water use efficiency over a high-density olive orchard using ground and satellite based data

open access: yesAgricultural Water Management, 2023
The trade-off between increasing agricultural production and groundwater conservation, which is often the only irrigation source in arid regions, is a major challenge for water managers, decision-makers and the scientific community.
Jamal Elfarkh   +4 more
doaj   +1 more source

A galaxy-halo model of large-scale structure [PDF]

open access: yes, 2005
We present a new, galaxy-halo model of large-scale structure, in which the galaxies entering a given sample are the fundamental objects. Haloes attach to galaxies, in contrast to the standard halo model, in which galaxies attach to haloes.
Andrew J. S. Hamilton   +31 more
core   +3 more sources

Some assembly required: assembly bias in massive dark matter halos

open access: yes, 2018
We study halo assembly bias for cluster-sized halos. Previous work has found little evidence for correlations between large-scale bias and halo mass assembly history for simulated cluster-sized halos, in contrast to the significant correlation found ...
Chue, Chun Yin Ricky   +2 more
core   +1 more source

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