About: Visual Minima Timings of Eclipsing Binaries: To Use or not to Use?

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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	Plenty of mid-eclipse timings of short-periodic eclipsing binaries derived from series of visual observations appear to be an acceptable source of information for orbital period analyses, namely if they were done in time-intervals not covered by other types of observations. However, our thorough period analysis of the nearly contact eclipsing binary BS Vulpeculae proves that visually determined timings done in 1979-2003 were undoubtedly biased to accommodate the existing linear ephemeris. The heavily subjective character of visual observations disqualifies them as a source of true phase information apt for fine eclipsing binary period analyses. Consequently we warn against the use of visual timings without a preceding careful verification. Plenty of mid-eclipse timings of short-periodic eclipsing binaries derived from series of visual observations appear to be an acceptable source of information for orbital period analyses, namely if they were done in time-intervals not covered by other types of observations. However, our thorough period analysis of the nearly contact eclipsing binary BS Vulpeculae proves that visually determined timings done in 1979-2003 were undoubtedly biased to accommodate the existing linear ephemeris. The heavily subjective character of visual observations disqualifies them as a source of true phase information apt for fine eclipsing binary period analyses. Consequently we warn against the use of visual timings without a preceding careful verification. (en)
Title	Visual Minima Timings of Eclipsing Binaries: To Use or not to Use? Visual Minima Timings of Eclipsing Binaries: To Use or not to Use? (en)
skos:prefLabel	Visual Minima Timings of Eclipsing Binaries: To Use or not to Use? Visual Minima Timings of Eclipsing Binaries: To Use or not to Use? (en)
skos:notation	RIV/00216224:14310/13:00067021!RIV14-MSM-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP209/12/0217), P(LH12175), P(ME10099)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Zejda, Miloslav Liška, Jiří Mikulášek, Zdeněk
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	114191
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00067021
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	eclipsing binaries; minima timings (en)
http://linked.open.../riv/klicoveSlovo	minima timings eclipsing binaries
http://linked.open...odStatuVydavatele	HR - Chorvatská republika
http://linked.open...ontrolniKodProRIV	[BDA6FA273E73]
http://linked.open...i/riv/nazevZdroje	Central European Astrophysical Bulletin
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	Multispectral variability of hot stars and its nature Photometric Investigation of Selected Eclipsing Binaries Study of selected near contact binaries
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Liška, Jiří Mikulášek, Zdeněk Zejda, Miloslav de Villiers, S. N. Qian, Shengbang Zhu, Liying
issn	1845-8319
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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