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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F12%3A00058574%21RIV13-GA0-14310___
rdf:type
skos:Concept n8:Vysledek
dcterms: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.
dcterms:title
Eclipsing binaries visual minima timings: To use or not to use? Eclipsing binaries visual minima timings: To use or not to use?
skos:prefLabel
Eclipsing binaries visual minima timings: To use or not to use? Eclipsing binaries visual minima timings: To use or not to use?
skos:notation
RIV/00216224:14310/12:00058574!RIV13-GA0-14310___
n8:predkladatel
n9:orjk%3A14310
n3:aktivita
n15:P
n3:aktivity
P(GAP209/12/0217), P(LH12175), P(ME10099)
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n4:3939383 n4:4842014 n4:4156722
n3:druhVysledku
n13:O
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
132690
n3:idVysledku
RIV/00216224:14310/12:00058574
n3:jazykVysledku
n10:eng
n3:klicovaSlova
eclipsing binaries; visual observation
n3:klicoveSlovo
n14:eclipsing%20binaries n14:visual%20observation
n3:kontrolniKodProRIV
[545A20CE62D1]
n3:obor
n16:BN
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n17:ME10099 n17:LH12175 n17:GAP209%2F12%2F0217
n3:rokUplatneniVysledku
n12:2012
n3:tvurceVysledku
Liška, Jiří Mikulášek, Zdeněk Zejda, Miloslav
n11:organizacniJednotka
14310