Results 141 to 150 of about 1,877,533 (362)
When flux standards go wild: white dwarfs in the age of Kepler [PDF]
, 2017 White dwarf stars have been used as flux standards for decades, thanks to their staid simplicity. We have empirically tested their photometric stability by analyzing the light curves of 398 high-probability candidates and spectroscopically confirmed ...
J. Hermes +7 more
semanticscholar +1 more source
35Cl NMR of Metal‐Organic Frameworks: What Can We Learn?
Chemistry–Methods, EarlyView.35Cl solid‐state NMR of MOFs offers insights into bonding mode and character, hydrogen bonding, phase transitions, and reaction products, even near paramagnetic centers. 35Cl NMR parameters reflect Cl coordination and local geometry. DFT methods accurately predict 35Cl NMR parameters. This 35Cl NMR/DFT approach is applicable to other MOFs and materials.
Wanli Zhang +3 more
wiley +1 more source
Tectonics, Volume 41, Issue 12, December 2022., 2022 Abstract Orogenic wedges are common at convergent plate margins and deform internally to maintain a self‐similar geometry during growth. New structural mapping and thermochronometry data illustrate that the eastern Greater Caucasus mountain range of western Asia undergoes deformation via distinct mechanisms that correspond with contrasting lithologies ...
A. R. Tye +4 more
wiley +1 more source
White Dwarf Merger Remnants: The DAQ Subclass
The Astrophysical JournalFour years after the discovery of a unique DAQ white dwarf with a hydrogen-dominated and carbon-rich atmosphere, we report the discovery of four new DAQ white dwarfs, including two that were not recognized properly in the literature.
Mukremin Kilic +5 more
doaj +1 more source
Searching for benchmark systems containing ultra-cool dwarfs and white dwarfs
EPJ Web of Conferences, 2013 We have used the 2MASS all-sky survey and WISE to look for ultracool dwarfs that are part of multiple systems containing main sequence stars. We cross-matched L dwarf candidates from the surveys with Hipparcos and Gliese stars, finding two new systems ...
Pinfield D.J., Gomes J.I.
doaj +1 more source
Short Wavelength Limit of the Dynamic Matsubara Local Field Correction
Contributions to Plasma Physics, EarlyView.ABSTRACT We investigate the short wavelength limit of the dynamic Matsubara local field correction G˜q,zl$$ \tilde{G}\left(\mathbf{q},{z}_l\right) $$ of the uniform electron gas based on direct ab initio path integral Monte Carlo (PIMC) results over an unprecedented range of wavenumbers, q≲20qF$$ q\lesssim 20{q}_{\mathrm{F}} $$, where qF$$ {q}_{\mathrm{
Tobias Dornheim +3 more
wiley +1 more source
The Gaia DR1 Mass-Radius Relation for White Dwarfs [PDF]
, 2016 The Gaia Data Release 1 (DR1) sample of white dwarf parallaxes is presented, including six directly observed degenerates and 46 white dwarfs in wide binaries.
P. Tremblay +11 more
semanticscholar +1 more source
Astrophysics of white dwarf binaries [PDF]
AIP Conference Proceedings, 2006 White dwarf binaries are the most common compact binaries in the Universe and are especially important for low-frequency gravitational wave detectors such as LISA. There are a number of open questions about binary evolution and the Galactic population of white dwarf binaries that can be solved using gravitational wave data and at the same time, our ...
openaire +5 more sources
The Astrophysical JournalThe recent discovery of planetesimals orbiting white dwarfs has renewed interest in the final chapters of the evolution of planetary systems. Although observational and theoretical studies have examined the dynamical evolution of these systems, studies ...
Matthew Route
doaj +1 more source
White dwarfs with a surface electrical charge distribution: equilibrium and stability
European Physical Journal C: Particles and Fields, 2018 The equilibrium configuration and the radial stability of white dwarfs composed of charged perfect fluid are investigated. These cases are analyzed through the results obtained from the solution of the hydrostatic equilibrium equation. We regard that the
G. A. Carvalho +3 more
doaj +1 more source