Results 71 to 80 of about 301 (183)
Gas flow in cataclysmic variable stars
The Astrophysical Journal, 1975 A numerical hydrodynamic scheme, applicable to gas flow in binary stars, is presented which incorporates the effects of pressure and gravitational forces, radiative cooling, and shock formation. The method is used to study gas flow originating from Roche lobe overflow through the inner Lagrangian point, L$sub 1$, in a binary star modeled to resemble ...
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Molecular Alterations in Osteosarcomas of the Oral and Maxillofacial Region: A Scoping Review
Journal of Oral Pathology &Medicine, Volume 55, Issue 4, Page 439-447, April 2026.ABSTRACT Background Given the rarity and aggressive nature of osteosarcomas (OS) in the oral and maxillofacial region, understanding their molecular alterations is essential to improve diagnosis, prognosis, and guide targeted therapies. This study aimed to map molecular alterations associated with oral and maxillofacial OS, providing an overview of the
Iara Vieira Ferreira +6 more
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The Astrophysical Journal LettersAccreting white dwarfs (WDs) in close binary systems, commonly known as cataclysmic variables (CVs), with orbital periods below the canonical period minimum (≈80 minutes) are rare.
Ilkham Galiullin +6 more
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Nations and Nationalism, Volume 32, Issue 2, Page 386-401, April 2026.ABSTRACT The collapse of the USSR forced newly independent states to forge national identities while grappling with imperial legacies. This study investigates nation‐building strategies in post‐Soviet states during 1990–1999, using the Nation‐Building Policies (NBP) dataset from the ETHNICGOODS project, which includes all socially and politically ...
Emre Amasyalı, Andrei Tarasov
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A New Window for Studying Intermediate Polars and Tilted Accretion Disk Precession
The Astrophysical JournalTV Col is a long-period eclipsing intermediate polar (IP) prototype star for the negative superhump (NSH) system. We investigate the eclipse minima, eclipse depth, and NSH amplitude based on TESS photometry.
Qi-Bin Sun +7 more
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The Astrophysical JournalCompact objects undergoing mass transfer exhibit significant (and double-peaked) H _α emission lines. Recently, new methods have been developed to identify black hole X-ray binaries and calculate their systematic parameters using H _α line parameters ...
Xinlin Zhao, Song Wang, Jifeng Liu
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The Astrophysical Journal Supplement SeriesBased mainly on the months-long 2 minutes time-resolution light curves observed by the Transiting Exoplanet Survey Telescope (TESS) space mission of 48 eclipsing old novae and novalike variables (commonly referred to as NLs) selected from the Ritter ...
Albert Bruch
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Resolving the Periods of the Asynchronous Polar 1RXS J083842.1–282723
The Astrophysical Journal1RXS J083842.1−282723 is a nearly synchronous magnetic cataclysmic variable with a simple X-ray light curve. While its orbital period was fairly well established at P _orb = 98.4 minutes from optical spectroscopy, indirect estimates of P _spin / P _orb ...
J. P. Halpern
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On the eclipsing cataclysmic variable star HBHA 4705-03
, 2013 We present observations and analysis of a new eclipsing binary HBHA 4705-03. Using decomposition of the light curve into accretion disk and hot spot components, we estimated photometrically the mass ratio of the studied system to be q=0.62 +-0.07. Other fundamental parameters was found with modeling. This approach gave: white dwarf mass M_1 = (0.8 +- 0.
Rutkowski, A. +3 more
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The Astrophysical JournalA recent development in the study of magnetic cataclysmic variable stars (mCVs) has been the identification of asynchronously spinning mCVs with orbital periods
Colin Littlefield +4 more
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