Results 51 to 60 of about 19,129 (209)

Discovery of eclipsing binary central stars in the planetary nebulae M 3-16, H 2-29, and M 2-19 [PDF]

open access: bronze, 2008
B. Miszalski   +4 more
openalex   +1 more source

Contact Binary Stars [PDF]

open access: yesInternational Astronomical Union Colloquium, 1983
Abstract:Ultraviolet and X-ray surveys of the W Ursae Majoris type stars are reviewed. These systems exhibit extended coronas and transition regions that are confined close to the optically determined surfaces. Correlations of X-ray activity with period or rotational velocity indicate a turn-over or saturation of emission at the short periods or high ...
openaire   +1 more source

Wind accretion in binary stars - I. Mass accretion ratio [PDF]

open access: green, 2004
T. Nagae   +5 more
openalex   +1 more source

A Low Metallicity Massive Contact Binary Star System Candidate in WLM Identified by Hubble and James Webb Space Telescope Imaging

open access: yesThe Astrophysical Journal
We present archival Hubble Space Telescope (HST) and JWST ultraviolet through near-infrared time series photometric observations of a massive minimal-contact binary candidate in the metal-poor galaxy Wolf–Lundmark–Melotte ( Z  = 0.14 Z _⊙ ).
Maude Gull   +17 more
doaj   +1 more source

Astronomical Data Resources for Binary and Multiple Stars

open access: yesOpen Astronomy, 2015
Binary stars form a significant part of stellar population. They are registered and observed by a number of methods. This is the reason for variety of present-day resources of astronomical data dealing with binaries and multiples.
Kovaleva D.
doaj   +1 more source

Short-period Heartbeat Binaries from TESS Full-frame Images

open access: yesThe Astrophysical Journal Supplement Series
We identify 240 short-period ( P ≲ 10 days) binary systems in Transiting Exoplanet Survey Satellite data, 180 of which are heartbeat binaries. The sample is mostly a mix of A- and B-type stars and primarily includes eclipsing systems, where over 30% of ...
Siddhant Solanki   +11 more
doaj   +1 more source

On the formation of single and binary helium-rich subdwarf O stars [PDF]

open access: bronze, 2010
Stephen Justham   +2 more
openalex   +1 more source

Orbits of Six Triple Systems

open access: yesThe Astronomical Journal
Joint analysis of position measurements and radial velocities of six triple stellar systems is conducted to determine their inner and/or outer orbits. Accumulation of such data is needed to study the architecture of stellar hierarchies and its relation ...
Andrei Tokovinin
doaj   +1 more source

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