Results 21 to 30 of about 2,994,184 (253)

PG1258+593 and its common proper motion magnetic white dwarf counterpart [PDF]

open access: yes, 2010
We confirm SDSS J130033.48+590407.0 as a common proper motion companion to the well-studied hydrogen-atmosphere (DA) white dwarf PG1258+593 (GD322).
Koester, Detlev   +6 more
core   +1 more source

Evolutionary and Pulsational Properties of Ultra-massive White Dwarfs. The Role of Oxygen-Neon Phase Separation. [PDF]

open access: yes, 2018
The 21st European Workshop on White Dwarfs was held in Austin, TX from July 23rd to 27th of 2018Ultra-massive hydrogen-rich white dwarf stars are expected to harbour oxygen/neon cores resulting from semidegenerate carbon burning when the progenitor ...
De Geronimo, F.C.   +3 more
core   +1 more source

A Status Report On A Planet Search Around White Dwarf Stars [PDF]

open access: yes, 2010
We have continued monitoring a pilot sample of 15 isolated, pulsating DA white dwarfs for center-of-mass motion caused by a planetary companion. Roughly 7 years into our survey, we have preliminary evidence for periodic variations in pulse arrival times ...
Mullally, F.   +5 more
core   +1 more source

Gaia DR3 variable white dwarfs vetted by ZTF

open access: yesAstronomy & Astrophysics
Context. The publication of Gaia data releases DR2 and DR3 have brought major improvements in stellar astrometry and photometry, particularly regarding the description of the white dwarf sequence.
Jestin Timour   +8 more
doaj   +1 more source

The Search for White Dwarf Binaries in Astronomical Survey Data [PDF]

open access: yes, 2021
Extremely low mass (ELM) white dwarfs are excellent laboratories for studying a variety of astrophysical phenomena, including common-envelope evolution, gravitational wave emission, and merger physics.
Kosakowski, Alekzander
core  

White Dwarf Stars

open access: yes, 2017
White dwarf stars are the final stage of most stars, born single or in multiple systems. We discuss the identification, magnetic fields, and mass distribution for white dwarfs detected from spectra obtained by the Sloan Digital Sky Survey up to Data ...
S. O. Kepler   +3 more
core   +1 more source

An Update on Pulsations in Accreting White Dwarfs [PDF]

open access: yes, 2018
The 21st European Workshop on White Dwarfs was held in Austin, TX from July 23rd to 27th of 2018Since the last white dwarf workshop, there is continuing evidence that long (hrs to days) periodicities are being found in white dwarfs that are undergoing
Szkody, Paula, Mukadam, Anjum
core   +1 more source

White Dwarf.Org - Establishing a Permanent Endowment for the Whole Earth Telescope

open access: yesOpen Astronomy, 2003
White Dwarf Research Corporation is a non-profit organization dedicated to scientific research and public education on topics relevant to white dwarf stars.
Metcalfe Travis S.
doaj   +1 more source

Constraining Low-Mass White Dwarf Binaries from Ellipsoidal Variations [PDF]

open access: yes, 2018
The 21st European Workshop on White Dwarfs was held in Austin, TX from July 23rd to 27th of 2018Stars are stretched by tidal interactions in tight binaries, and changes to their projected areas introduce photometric variations twice per orbit.
Bell, K.J.   +2 more
core   +1 more source

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

open access: yes, 2022
Hepatology, EarlyView.
Robert J. Fontana   +6 more
wiley   +1 more source

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