About: Relativistic apsidal motion in eccentric eclipsing binaries

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	As part of the long-term Ondrejov and Ostrava observational projects, we aim to measure precise times of minima for eccentric eclipsing binaries, needed for the accurate determination of apsidal motion, providing a suitable test of the effects of General Relativity. We confirm very long periods of apsidal motion for all systems. For BF Dra and V1094 Tau, we present the first apsidal-motion solution. The relativistic effects are dominant, representing up to 100% of the total observable apsidal-motion rate in several systems. The theoretical and observed values of the internal structure constant k(2) were compared for systems with lower relativistic contribution. Using the light-time effect solution, we predict a faint third component for V1094 Tau orbiting with a short period of about 8 years. As part of the long-term Ondrejov and Ostrava observational projects, we aim to measure precise times of minima for eccentric eclipsing binaries, needed for the accurate determination of apsidal motion, providing a suitable test of the effects of General Relativity. We confirm very long periods of apsidal motion for all systems. For BF Dra and V1094 Tau, we present the first apsidal-motion solution. The relativistic effects are dominant, representing up to 100% of the total observable apsidal-motion rate in several systems. The theoretical and observed values of the internal structure constant k(2) were compared for systems with lower relativistic contribution. Using the light-time effect solution, we predict a faint third component for V1094 Tau orbiting with a short period of about 8 years. (en)
Title	Relativistic apsidal motion in eccentric eclipsing binaries Relativistic apsidal motion in eccentric eclipsing binaries (en)
skos:prefLabel	Relativistic apsidal motion in eccentric eclipsing binaries Relativistic apsidal motion in eccentric eclipsing binaries (en)
skos:notation	RIV/67985815:_____/10:00354432!RIV11-AV0-67985815
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/04/2063), P(GA205/06/0217), Z(AV0Z10030501), Z(MSM0021620860)
http://linked.open...iv/cisloPeriodika	January
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kotková, Lenka
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	284671
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/10:00354432
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	binaries eclipsing (en)
http://linked.open.../riv/klicoveSlovo	binaries eclipsing
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[004507DB7FAA]
http://linked.open...i/riv/nazevZdroje	Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	New approaches to variable stars data processing and interpretation Photometric investigation of eclipsing binaries
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	509
http://linked.open...iv/tvurceVysledku	Svoboda, P. Kotková, Lenka Wolf, M. Brát, L. Kocián, R. Kučáková, H. Šmelcer, L. Claret, L.
http://linked.open...ain/vavai/riv/wos	000274159400030
http://linked.open...n/vavai/riv/zamer	Astronomie a astrofyzika Fyzikální studium objektů a procesů ve sluneční soustavě a v astrofyzikálních systémech
issn	0004-6361
number of pages	14 (xsd:int)

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