Buscar
Mostrando ítems 11-20 de 705
A New Distance to the Antennae Galaxies (ngc 4038/39) Based on the Type ia Supernova 2007sr
(2008)
Traditionally, the distance to NGC 4038/39 has been derived from the systemic recession velocity, yielding about 20 Mpc for H0 = 72 km s-1 Mpc-1. Recently, this widely adopted distance has been challenged based on photometry ...
A new distance to the Antennae galaxies (NGC 4038/39) based on the type Ia supernova 2007sr
(2008-10)
Traditionally, the distance to NGC 4038/39 has been derived from the systemic recession velocity, yielding
about 20 Mpc for H0 = 72 km s-1 Mpc-1. Recently, this widely adopted distance has been challenged based
on ...
Information System for Epidemic Control: a computational solution addressing successful experiences and main challenges
(Emerald Publishing Limited, 22-03-21)
Purpose: The SARS-CoV-2 pandemic has caused a major impact on worldwide public health and economics. The lessons learned from the successful attempts to contain the pandemic escalation revealed that the wise usage of contact ...
Maths: from distance to e-learning
New technological progress and especially the use of Internet have implied a new paradigm on education, and nowadays one of its most prominent features is the rise of a new approach based on an instruction beyond the solid ...
Outer bulge rr lyrae stars in the vvv survey
(2017)
The VISTA Variables in the V´ıa L´actea (VVV) is a near-IR time-domain survey
of the Galactic bulge and southern plane. One of the main goals of this survey is to
reveal the 3D structure of the Milky Way through their ...
Simulated high frequency ray paths considering traveling ionospheric disturbances
(SN Applied Sciences, 2020-03)
This study presents a modified version of a classical 3-D numerical ray tracing code [originally by Jones and Stephenson (A versatile three-dimensional ray tracing computer program for radio waves in the ionosphere. Office ...
A importância e a necessidade do afeto nas relações tecidas nos ambientes virtuais: algumas considerações experienciais
(Universidade Federal de Santa MariaBrasilUFSMCentro de Artes e Letras, 2011-10-15)
This article presents a research from which focuses primarily on the analysis of educational practices in distance education, reflections about the relationship between their users highlights the importance and need for ...