About: A unified solution for the orbit and light-time effect in the V505 Sgr system

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About: A unified solution for the orbit and light-time effect in the V505 Sgr system Goto Sponge NotDistinct Permalink

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	The multiple system V505 Sagittarii is composed of at least three stars: a compact eclipsing pair and a distant component, whose orbit is measured directly using speckle interferometry. In order to explain the observed orbit of the third body in V505 Sagittarii and also other observable quantities, namely the minima timings of the eclipsing binary and three different radial velocities (RVs) detected in the spectrum, we thoroughly test a fourth-body hypothesis-a perturbation by a dim, yet-unobserved object. We use an N-body numerical integrator to simulate future and past orbital evolution of three or four components in this system. We construct a suitable chí2 metric from all available speckle-interferometry, minima-timings, and RV data and we scan a part of a parameter space to get at least some of the possible solutions. The multiple system V505 Sagittarii is composed of at least three stars: a compact eclipsing pair and a distant component, whose orbit is measured directly using speckle interferometry. In order to explain the observed orbit of the third body in V505 Sagittarii and also other observable quantities, namely the minima timings of the eclipsing binary and three different radial velocities (RVs) detected in the spectrum, we thoroughly test a fourth-body hypothesis-a perturbation by a dim, yet-unobserved object. We use an N-body numerical integrator to simulate future and past orbital evolution of three or four components in this system. We construct a suitable chí2 metric from all available speckle-interferometry, minima-timings, and RV data and we scan a part of a parameter space to get at least some of the possible solutions. (en)
Title	A unified solution for the orbit and light-time effect in the V505 Sgr system A unified solution for the orbit and light-time effect in the V505 Sgr system (en)
skos:prefLabel	A unified solution for the orbit and light-time effect in the V505 Sgr system A unified solution for the orbit and light-time effect in the V505 Sgr system (en)
skos:notation	RIV/00216208:11320/10:10072302!RIV11-GA0-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP209/10/0715), Z(MSM0021620860)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Vokrouhlický, David Brož, Miroslav Zasche, Petr Mayer, Pavel
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	245052
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10072302
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	multiple stars (en)
http://linked.open.../riv/klicoveSlovo	multiple stars
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B698A23E46B7]
http://linked.open...i/riv/nazevZdroje	Astronomical Journal
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Accurate physical properties of hot stars based on binary and multiple star studies
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	139
http://linked.open...iv/tvurceVysledku	Zasche, Petr Brož, Miroslav Vokrouhlický, David Mayer, Pavel Uhlář, R. Pribulla, T.
http://linked.open...ain/vavai/riv/wos	000277643700013
http://linked.open...n/vavai/riv/zamer	Fyzikální studium objektů a procesů ve sluneční soustavě a v astrofyzikálních systémech
issn	0004-6256
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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