About: High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri

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About: High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We derive the component masses and dynamical parallax of ; Centauri with a precision of 6% and 4%, respectively. Modelling allowed us to refine the mass estimates to 1% precision resulting in M_1=10.7 0.1 M_988857; and M_2=10.3 0.1 M_8857;, and to derive the age of the system as being (14.1 0.6) 106 years. We deduce two oscillation frequencies for the broad-lined primary of 946; Centauri: f_1=7.415 c d-1 and f_2=4.542 c d-1 or one of their aliases. The degrees of these oscillation modes are higher than 2 for both frequencies, irrespective of the alias problem. No evidence of oscillations in the narrow-lined secondary was found. We derive the component masses and dynamical parallax of ; Centauri with a precision of 6% and 4%, respectively. Modelling allowed us to refine the mass estimates to 1% precision resulting in M_1=10.7 0.1 M_988857; and M_2=10.3 0.1 M_8857;, and to derive the age of the system as being (14.1 0.6) 106 years. We deduce two oscillation frequencies for the broad-lined primary of 946; Centauri: f_1=7.415 c d-1 and f_2=4.542 c d-1 or one of their aliases. The degrees of these oscillation modes are higher than 2 for both frequencies, irrespective of the alias problem. No evidence of oscillations in the narrow-lined secondary was found. (en) Hmoty složek a dynamickou paralaxu soustavy jsme určili s přesností 4a6%.Modelování dovolilo zvýšit přesnost určení hmot na 1% na 10,7+- 0,1 a 10,3+-0,1 hmot Slunce a věk soustavy na(14,1+- 0,6) milionů let.Byly zjištěny dvě frekvence oscilací primáru 7,415 a 4,542 cyklů za den. (cs)
Title	High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri (en) Vysoce přesné dráhové elementy dvojsložkových spektroskopických dvojhvězd z kombinované interferometrie a spektroskopie.Aplikace na beta Cephei hvězdu beta Centaurí. (cs)
skos:prefLabel	High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri High-precision elements of double-lined spectroscopic binaries from combined interferometry and spectroscopy. Application to the; Cephei star ; Centauri (en) Vysoce přesné dráhové elementy dvojsložkových spektroskopických dvojhvězd z kombinované interferometrie a spektroskopie.Aplikace na beta Cephei hvězdu beta Centaurí. (cs)
skos:notation	RIV/00216208:11320/06:00002531!RIV07-MSM-11320___
http://linked.open.../vavai/riv/strany	259;269
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/06/0304), Z(MSM 113200004)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Harmanec, Petr
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	477707
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/06:00002531
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	High-precision; elements; double-lined; spectroscopic; binaries; combined; interferometry; spectroscopy; Application; Cephei; Centauri (en)
http://linked.open.../riv/klicoveSlovo	elements binaries Application spectroscopy combined spectroscopic interferometry High-precision Centauri Cephei double-lined
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[0DB2D5538FE6]
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	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Improving physics of hot stars via observations of suitably selected binaries
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	455
http://linked.open...iv/tvurceVysledku	Harmanec, Petr
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20113200004
issn	0004-6361
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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