Results 71 to 80 of about 19,129 (209)

Modelling of W UMa-type variable stars

South African Journal of Science, 2009
W Ursae Majoris (W UMa)-type variable stars are over-contact eclipsing binary stars. To understand how these systems form and evolve requires observations spanning many years, followed by detailed models of as many of them as possible.
P. Skelton, D. Smits
doaj  

The Long-period Spectroscopic Orbit and Dust Creation in the Wolf–Rayet Binary System WR 125

The Astrophysical Journal
Several long-period binaries with a carbon-rich Wolf–Rayet star and an OB star produce dust in their wind collisions. In eccentric binaries, this is seen most strongly near periastron passage.
Noel D. Richardson, Andrea R. Daly, Peredur M. Williams, Grant M. Hill, Victor I. Shenavrin, Izumi Endo, André-Nicolas Chené, Nicole Karnath, Ryan M. Lau, Anthony F. J. Moffat, Gerd Weigelt   +10 more
doaj   +1 more source

Rotational properties of hypermassive neutron stars from binary mergers [PDF]

, 2017
Matthias Hanauske, Kentaro Takami, Luke Bovard, Luciano Rezzolla, José A. Font, Filippo Galeazzi, H. Stöcker   +6 more
openalex   +1 more source

paired: A Statistical Framework for Detecting Stellar Binarity with Gaia RVs. I. Sensitivity to Unresolved Binaries

The Astrophysical Journal
Data Release 3 (DR3) from the Gaia Mission includes radial velocity measurements of over 33 million targets. Among many scientific applications, the overlap of this stellar sample with targeted exoplanet transit survey stars presents an opportunity to ...
Quadry Chance, Daniel Foreman-Mackey, Sarah Ballard, Andrew R. Casey, Trevor J. David, Adrian M. Price-Whelan   +5 more
doaj   +1 more source

Strange Quark Stars in Binaries: Formation Rates, Mergers, and Explosive Phenomena [PDF]

, 2017
Grzegorz Wiktorowicz, A. Drago, Giuseppe Pagliara, С. Б. Попов   +3 more
openalex   +1 more source

The X-Ray Emission Reveals the Coronal Activities of Semi-detached Binaries

The Astrophysical Journal
X-ray emission is an important tracer of stellar magnetic activity. We carried out a systematic correlation analysis for the X-ray luminosity $\mathrm{log}{L}_{{\rm{X}}}$ , bolometric luminosity $\mathrm{log}{L}_{\mathrm{bol}}$ , and X-ray activity ...
Junhui Liu, Jianfeng Wu
doaj   +1 more source

Observational studies of early-type binary stars: VV Orionis [PDF]

, 2006
D. Terrell, U. Munari, A. Siviero
openalex   +1 more source

Too fast to be single: Tidal evolution and photometric identification of stellar and planetary companions

The Open Journal of Astrophysics
Many stars exist in binary or multiple systems where tidal interactions modify rotational evolution. In single stars, Many stars, including those in binary or multiple systems, exhibit modified rotational evolution due to tidal interactions.
Ilay Kamai, Hagai B. Perets
doaj   +1 more source

A survey of eclipsing binary stars in the eastern spiral arm of M31 [PDF]

, 2005
I. Todd, D. Pollacco, I. Skillen, D. M. Bramich, S. Bell, T. Augusteijn   +5 more
openalex   +1 more source

The OmegaWhite Survey for Short-period Variable Stars. V. Discovery of an Ultracompact Hot Subdwarf Binary with a Compact Companion in a 44-minute Orbit

, 2019
Thomas Kupfer, Gavin Ramsay, Jan van Roestel, Jared Brooks, S. Macfarlane, R. Toma, P. Groot, P. A. Woudt, Lars Bildsten, T. R. Marsh, Martin Green, E. Breedt, D. Kilkenny, J. Freudenthal, S. Geier, U. Heber, S. Bagnulo, N. Blagorodnova, D. A. H. Buckley, V. S. Dhillon, S. R. Kulkarni, R. Lunnan, Thomas A. Prince   +22 more
openalex   +1 more source