About: HD 161306: a radiatively interacting Be binary?

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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	The spectrum of the Be star HD 161306 is shown to vary periodically with a period close to 100 days. The radial velocity of the He I 6678 A emission peak varying in antiphase to the radial velocity of the Halpha emission wings component suggests that the star is a binary similar to phi Per, 59 Cyg, or FY CMa, i.e. a radiatively interacting Be binary - a rare case among Be stars. This type of object is also called a phi Per-type binary or Be + sdO binaries. The range of radial-velocity variations of the strong emission peak in the helium line observed in HD 161306 is about 180 km/s, similar to what is observed for these systems. We therefore conclude that HD 161306 may represent another case of a Be star with a hot subdwarf companion. The spectrum of the Be star HD 161306 is shown to vary periodically with a period close to 100 days. The radial velocity of the He I 6678 A emission peak varying in antiphase to the radial velocity of the Halpha emission wings component suggests that the star is a binary similar to phi Per, 59 Cyg, or FY CMa, i.e. a radiatively interacting Be binary - a rare case among Be stars. This type of object is also called a phi Per-type binary or Be + sdO binaries. The range of radial-velocity variations of the strong emission peak in the helium line observed in HD 161306 is about 180 km/s, similar to what is observed for these systems. We therefore conclude that HD 161306 may represent another case of a Be star with a hot subdwarf companion. (en)
Title	HD 161306: a radiatively interacting Be binary? HD 161306: a radiatively interacting Be binary? (en)
skos:prefLabel	HD 161306: a radiatively interacting Be binary? HD 161306: a radiatively interacting Be binary? (en)
skos:notation	RIV/67985815:_____/14:00433681!RIV15-GA0-67985815
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA14-21373S), P(GAP209/10/0715), P(LG14026)
http://linked.open...iv/cisloPeriodika	July
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šlechta, Miroslav Škoda, Petr Votruba, Viktor Kotková, Lenka Koubský, Pavel Kubát, Jiří Kraus, Michaela Kubátová, Brankica
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	18822
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/14:00433681
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	binaries: spectroscopic; stars: emission-line; Be: stars (en)
http://linked.open.../riv/klicoveSlovo	Be: stars stars: emission-line binaries: spectroscopic
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[BEA1E0C28450]
http://linked.open...i/riv/nazevZdroje	Astronomy & Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...vavai/riv/projekt	Kalibrace akcelerometrů kosmické mise SWARM na základě kinematické dráhy a modelů gravitačního pole Accurate physical properties of hot stars based on binary and multiple star studies Odhalení historie ztráty hmoty vyvinutých masivních hvězd
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	567
http://linked.open...iv/tvurceVysledku	Votruba, Viktor Škoda, Petr Šlechta, Miroslav Kotková, Lenka Koubský, Pavel Kraus, Michaela Harmanec, P. Wolf, M. Kubát, Jiří Yang, S. Kubátová, Brankica Niemczura, E.
http://linked.open...ain/vavai/riv/wos	000341185300144
issn	0004-6361
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/201424022

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