About: Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries

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About: Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries 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	Aims: The Danish 1.54-meter telescope at the La Silla observatory was used for photometric monitoring of selected eccentric eclipsing binaries located in the Small Magellanic Cloud. The new times of minima were derived for these systems, which are needed for accurate determination of the apsidal motion. Moreover, many new times of minima were derived from the photometric databases OGLE and MACHO. Eighteen early-type eccentric-orbit eclipsing binaries were studied. Methods: Their O-C diagrams of minima timings were analysed and the parameters of the apsidal motion were obtained. The light curves of these eighteen binaries were analysed using the program PHOEBE, giving the light curve parameters. For several systems, the additional third light also was detected. Results: We derived for the first time and significantly improved the relatively short periods of apsidal motion from 19 to 142 years for these systems. The relativistic effects are weak, up to 10% of the total apsidal motion rate. Aims: The Danish 1.54-meter telescope at the La Silla observatory was used for photometric monitoring of selected eccentric eclipsing binaries located in the Small Magellanic Cloud. The new times of minima were derived for these systems, which are needed for accurate determination of the apsidal motion. Moreover, many new times of minima were derived from the photometric databases OGLE and MACHO. Eighteen early-type eccentric-orbit eclipsing binaries were studied. Methods: Their O-C diagrams of minima timings were analysed and the parameters of the apsidal motion were obtained. The light curves of these eighteen binaries were analysed using the program PHOEBE, giving the light curve parameters. For several systems, the additional third light also was detected. Results: We derived for the first time and significantly improved the relatively short periods of apsidal motion from 19 to 142 years for these systems. The relativistic effects are weak, up to 10% of the total apsidal motion rate. (en)
Title	Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries (en)
skos:prefLabel	Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries Apsidal motion and a light curve solution for eighteen SMC eccentric eclipsing binaries (en)
skos:notation	RIV/00216224:14310/14:00078450!RIV15-MSM-14310___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP209/10/0715), P(LG12001), S
http://linked.open...iv/cisloPeriodika	2014
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Zejda, Miloslav Liška, Jiří Skarka, Marek
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	3945
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/14:00078450
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	binaries eclipsing; stars early-type; stars general; fundamental parameters; Magellanic Clouds (en)
http://linked.open.../riv/klicoveSlovo	fundamental parameters Magellanic Clouds binaries eclipsing stars early-type stars general
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[6EAC27AC4873]
http://linked.open...i/riv/nazevZdroje	Astronomy & Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	3 (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 Study of properties of asteroids and stellar systems with photometric observations with the Danish 1.54-m telescope at the European Southern Observatory
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	572
http://linked.open...iv/tvurceVysledku	Liška, Jiří Zasche, Petr Zejda, Miloslav Wolf, Marek Skarka, Marek Vraštil, Jan
http://linked.open...ain/vavai/riv/wos	000346101700091
issn	0004-6361
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/201424273
http://localhost/t...ganizacniJednotka	14310

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