Results 71 to 80 of about 85,254 (340)

Do White Dwarfs Sample Water-rich Planetary Material?

The Astrophysical Journal
Polluted white dwarfs offer a unique way to directly probe the compositions of exoplanetary bodies. We examine the water content of accreted material using the oxygen abundances of 51 highly polluted white dwarfs.
Isabella L. Trierweiler, Carl Melis, Érika Le Bourdais, Patrick Dufour, Alycia J. Weinberger, Boris T. Gänsicke, Nicola Gentile-Fusillo, Siyi Xu, Jay Farihi, Andrew Swan, Malena Rice, Edward D. Young   +11 more
doaj   +1 more source

Rotating hot white dwarfs [PDF]

Gravitation, Astrophysics, and Cosmology, 2016
2 pages, 2 ...
Boshkayev, Kuantay, Rueda, Jorge A., Zhami, Bakytzhan   +2 more
openaire   +2 more sources

A Novel 10‐Protein Score for Liver Fat Content Predicts Cardiovascular‐Kidney‐Metabolic Disease Risk

Advanced Science, EarlyView.
A novel 10‐protein plasma score precisely quantifies liver fat, outperforming the fatty liver index. It robustly predicts the risk of numerous cardiovascular‐kidney‐metabolic diseases and integrates with genetic data for precision prevention, offering a practical alternative to magnetic resonance imaging (MRI). Abstract Liver fat content (LFC) is a key
Xiaoqin Gan, Yuanxiu Wei, Yiting Wu, Xinyue Su, Gangling Wang, Sisi Yang, Ziliang Ye, Yanjun Zhang, Hao Xiang, Yu Huang, Yiwei Zhang, Yuanyuan Zhang, Xianhui Qin   +12 more
wiley   +1 more source

White Dwarfs

Le Journal de Physique Colloques, 1980
The thermal properties and neutrino emissivity of matter in the dense, degenerate cores of white dwarfs, together with efficient heat transport through the high-density envelopes of these stars, affect the theoretical white dwarf luminosity function.
openaire   +2 more sources

Massive white dwarfs in $$f(\mathtt {R,L_m})$$ f ( R , L m ) gravity

European Physical Journal C: Particles and Fields, 2022
In this work, we investigate the equilibrium configurations of massive white dwarfs (MWD) in the context of modified gravity, namely $$f(\mathtt {R,L_m})$$ f ( R , L m ) gravity, where $$\mathtt {R}$$ R stands for the Ricci scalar and $$\mathtt {L_m}$$ L
R. V. Lobato, G. A. Carvalho, N. G. Kelkar, M. Nowakowski   +3 more
doaj   +1 more source

The seismic properties of low-mass He-core white dwarf stars [PDF]

, 2012
We present here a detailed pulsational study applied to low-mass He-core white dwarfs, based on full evolutionary models representative of these objects.
Althaus, L. G., Córsico, A. H., Hermes, J. J., Romero, A. D.   +3 more
core   +4 more sources

Exsolution process in white dwarf stars [PDF]

, 2023
María E. Camisassa, D. A. Baiko, Santiago Torres, A. Rebassa–Mansergas   +3 more
openalex   +1 more source

Genome‐Wide Association Analyses Reveal the Genetic Basis of EMS Mutagenesis Efficiency in Rice

Advanced Science, EarlyView.
Based on large‐scale screening of 420 rice accessions, GWAS identified the Rc locus as a key regulator of EMS mutagenesis efficiency. Functional Rc alleles enhance both seed survival and genome‐wide mutation frequency by boosting antioxidant enzyme activities (CAT, SOD, POD) and reducing oxidative damage.
Peizhou Xu, Qinglu Zhang, Le Xue, Zhen Zhang, Nanhui Luo, Zhaoyang Cheng, Duo Xia, Shuqin Zheng, Xianjun Wu, Hao Zhou   +9 more
wiley   +1 more source

Novel Atmospheric Dynamics Shape the Inner Edge of the Habitable Zone around White Dwarfs

The Astrophysical Journal
White dwarfs offer a unique opportunity to search nearby stellar systems for signs of life, but the habitable zone around these stars is still poorly understood.
Ruizhi Zhan, Daniel D. B. Koll, Feng Ding   +2 more
doaj   +1 more source

A Mini-Review of Accreting Pulsating White Dwarfs

Frontiers in Astronomy and Space Sciences, 2021
The discovery in 1998 of a pulsating white dwarf in the cataclysmic variable GW Lib opened up a new avenue of exploration in the asteroseismology of white dwarfs.
Paula Szkody
doaj   +1 more source